# TVS Diode, Bidirectional, 30 V, 400 W, 33.3 Vbr-36.8 Vbr, 48.4 Vcl, DO-214AC

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![Product image](https://novapart.co/image/farnell:3519540RL/)

**URL**: https://novapart.co/products/SMAJ30CA/tvs-diode-bidirectional-30-v-400-w-333-vbr-368-484
**SKU**: SMAJ30CA
**Manufacturer**: TAIWAN SEMICONDUCTOR
**Category**: Circuit Protection || TVS - Transient Voltage Suppressors || TVS Diodes
**Price**: €0.1220
**Stock**: 1000+
**Lead Time**: 134 days (indicative)

## Description

The Taiwan Semiconductor SMAJ30CA is a surface-mount bidirectional transient voltage suppressor (TVS) diode engineered to protect sensitive electronic circuits from high-voltage surges and electrostatic discharge (ESD). Housed in a compact DO-214AC (SMA) plastic package with a low-profile 2-pin footprint, this component is optimized for automated pick-and-place manufacturing lines. Featuring a glass-passivated chip junction, the device delivers a peak pulse power dissipation rating of 400 W using a standard 10/1000 µs waveform. It provides a reverse standoff voltage ($V_{WM}$) of 30 V, a breakdown voltage ($V_{BR}$) ranging from 33.3 V to 36.8 V at a 1 mA test current, and a maximum clamping voltage ($V_C$) of 48.4 V at the peak pulse current. 

Designed for high-reliability operation across an operating junction temperature range of -55°C to +150°C, the SMAJ30CA offers symmetrical clamping performance in both directions due to its symmetrical bidirectional architecture. The component exhibits a fast response time of typically less than 1.0 ps from 0 V to $V_{BR}$ minimum and maintains an extremely low reverse leakage current ($I_R$) below 1 µA at the rated working standoff voltage. Its robust thermal and electrical characteristics comply with industry standards, including moisture sensitivity level 1 per J-STD-020 and IEC 61249-2-21 halogen-free specifications.

This bidirectional TVS diode is well-suited for deployment in power conversion and management architectures, including switching mode power supplies (SMPS), AC-DC power adapters, on-board DC-DC converters, and industrial or commercial lighting systems. By clamping transient overvoltages and shunting high-energy surge currents safely to ground, the SMAJ30CA safeguards downstream integrated circuits against electrical overstress and maintains long-term system reliability.

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (27-Jun-2018) |
| No. Of Pins | 2Pins |
| Tvs Polarity | Bidirectional |
| Product Range | SMAJ Series |
| Qualification | - |
| Diode Mounting | Surface Mount |
| Diode Case Style | DO-214AC (SMA) |
| Clamping Voltage Max | 48.4V |
| Reverse Standoff Voltage | 30V |
| Maximum Breakdown Voltage | 36.8V |
| Minimum Breakdown Voltage | 33.3V |
| Operating Temperature Max | 150°C |
| Peak Pulse Power Dissipation | 400W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3519540RL/)

## cS SEMICONDUCTORMe **SMAJ5.0(A) – SMAJ188(A)** Taiwan Semiconductor 

## **400W, 5V - 188V Surface Mount Transient Voltage Suppressor** 

## FEATURES 

- Ideal for automated placement 

- Glass passivated chip junction 

- Excellent clamping capability 

- Fast response time: Typically less than 1.0ps from 0 V to BV min 

- Typical IR less than 1μA above 10V 

- 400W peak pulse power capability with a 10/1000μs waveform (300W above 78V) 

- Meets ISO 7637-2 (Pulse 1/2a/2b/3a/3b) 

- Moisture sensitivity level: level 1, per J-STD-020 

|KEY PARAMETERS|KEY PARAMETERS|KEY PARAMETERS|
|---|---|---|
|PARAMETER|VALUE|UNIT|
|VWM|5 - 188|V|
|VBR|6.4 - 255|V|
|PPPM<br>tp= 10/1000μs waveform|400|W|
|TJ MAX|150|°C|
|Package|DO-214AC (SMA)||
|Configuration|Single die||



- RoHS Compliant 

- Halogen-free according to IEC 61249-2-21 

## APPLICATIONS 

- Switching mode power supply (SMPS) 

- Adapters 

- Lighting application 

- On-board DC/DC converter 

## MECHANICAL DATA 

- Case: DO-214AC (SMA) 

**DO-214AC (SMA)** 

- Molding compound meets UL 94V-0 flammability rating 

- Terminal: Matte tin plated leads, solderable per J-STD002 

- Meet JESD 201 class 2 whisker test 

- Polarity: As marked 

- Weight: 0.060g (approximately) 

|ABSOLUTE MAXIMUM RATINGS (TA= 25°C unless otherwise noted)|ABSOLUTE MAXIMUM RATINGS (TA= 25°C unless otherwise noted)|ABSOLUTE MAXIMUM RATINGS (TA= 25°C unless otherwise noted)|ABSOLUTE MAXIMUM RATINGS (TA= 25°C unless otherwise noted)|
|---|---|---|---|
|PARAMETER|SYMBOL|VALUE|UNIT|
|Peak power dissipation at TA= 25°C, tp = 1ms (Note 1)|PPK|400|W|
|Steady state power dissipation|PD|1|W|
|Peak forward surge current, 8.3ms single half sine-wave<br>superimposed on rated load|IFSM|40|A|
|Maximum instantaneous forward voltage at 25A for<br>unidirectional only|VF|3.5|V|
|Operating junction temperature range|TJ|-55 to +150|°C|
|Storage temperature range|TSTG|-55 to +150|°C|



## **Notes:** 

1. Non-repetitive current pulse per Fig.5 and derated above TA = 25°C per Fig.2 

Devices for Bipolar Applications 

1. For bidirectional use C or CA suffix for types SMAJ5.0 - Types SMAJ188 

2.  Electrical characteristics apply in both directions 

1 Version: U2102 

## **SMAJ5.0(A) – SMAJ188(A)** TAIWANSEMICONDUCTOR(i Taiwan Semiconductor 

ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted) 

**==> picture [512 x 650] intentionally omitted <==**

**----- Start of picture text -----**<br>
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|Breakdown|Working|
|Test|Maximum reverse|
|voltage|stand-off|Maximum peak|Maximum clamping|
|Part number|Marking code|VBR@IT(1)|current|IT|voltage|leakage current|IR@VWM(1)|impulse current|voltage|
|(V)|VWM|IPPM (A)|[(2)]|VC@IPPM (V)|[(2) ]|
|(mA)|(µA)|
|(V)|
|Min|Max|
|SMAJ5.0|AD|6.4|7.30|10|5|800|41.7|9.6|
|pO|
|SMAJ5.0A|AE|6.4|7.00|10|5|800|43.5|9.2|
|pO|
|SMAJ6.0|AF|6.67|8.15|10|6|800|35.1|11.4|
|Po|
|SMAJ6.0A|AG|6.67|7.37|10|6|800|38.8|10.3|
|pO|
|SMAJ6.5|AH|7.22|8.82|10|6.5|500|32.5|12.3|
|pO|
|eG|SMAJ6.5A|AK|7.22|eG|7.98|10|6.5|500|35.7|11.2|
|SMAJ7.0|AL|7.78|9.51|10|7|200|30.1|13.3|
|pO|
|eG|SMAJ7.0A|AM|7.78|eG|8.60|10|7|200|33.3|12.0|
|pO|SMAJ7.5|AN|8.33|10.30|1|7.5|100|28.0|14.3|
|SMAJ7.5A|AP|8.33|9.21|1|7.5|100|31.0|12.9|
|pO|
|eG|SMAJ8.0|AQ|8.89|eG|10.90|1|8|50|26.7|15.0|
|SMAJ8.0A|AR|8.89|9.83|1|8|50|29.4|13.6|
|pO|
|SMAJ8.5|AS|9.44|11.50|1|8.5|10|25.2|15.9|
|pO|
|eG|SMAJ8.5A|AT|9.44|eG|10.40|1|8.5|10|27.8|14.4|
|SMAJ9.0|AU|10.0|12.20|1|9|5|23.7|16.9|
|pO|
|eG|SMAJ9.0A|AV|10.0|eG|11.10|1|9|5|26.0|15.4|
|pO|SMAJ10|AW|11.1|13.60|1|10|5|21.3|18.8|
|SMAJ10A|AX|11.1|12.30|1|10|5|23.5|17.0|
|p|O|
|SMAJ11|AY|12.2|14.90|1|11|O|1|19.9|20.1|
|SMAJ11A|AZ|12.2|13.50|1|11|1|22.0|18.2|
|pO|
|SMAJ12|BD|13.3|16.30|1|12|1|18.2|22.0|
|p|o|
|SMAJ12A|BE|13.3|14.70|1|12|O|1|20.1|19.9|
|SMAJ13|BF|14.4|17.60|1|13|1|16.8|23.8|
|p|O|
|SMAJ13A|BG|14.4|15.90|1|13|O|1|18.6|21.5|
|pO|SMAJ14|BH|15.6|19.10|1|14|1|15.5|25.8|
|SMAJ14A|BK|15.6|17.20|1|14|1|17.2|23.2|
|p|O|
|SMAJ15|BL|16.7|20.40|1|15|O|1|14.9|26.9|
|SMAJ15A|BM|16.7|18.50|1|15|1|16.4|24.4|
|pO|
|SMAJ16|BN|17.8|21.80|1|16|1|13.9|28.8|
|p|o|
|SMAJ16A|BP|17.8|19.70|1|16|o|1|15.4|26.0|
|SMAJ17|BQ|18.9|23.10|1|17|1|13.1|30.5|
|po|
|GG|SMAJ17A|BR|18.9|20.90|1|17|1|14.5|27.6|
|pO|SMAJ18|BS|20.0|24.40|1|18|1|12.4|32.2|
|SMAJ18A|BT|20.0|22.10|1|18|1|13.7|29.2|
|pO|
|GG|SMAJ20|BU|22.2|27.10|1|20|1|11.2|35.8|
|SMAJ20A|BV|22.2|24.50|1|20|1|12.3|32.4|
|pO|
|SMAJ22|BW|24.4|29.80|1|22|1|10.2|39.4|
|PO|
|GG|SMAJ22A|BX|24.4|26.90|1|22|1|11.3|35.5|
|SMAJ24|BY|26.7|32.60|1|24|1|9.3|43.0|
|pO|
|GG|SMAJ24A|BZ|26.7|29.50|1|24|1|10.3|38.9|
|pO|SMAJ26|CD|28.9|35.30|1|26|1|8.6|46.6|
|SMAJ26A|CE|28.9|31.90|1|26|1|9.5|42.1|
|pO|
|GG|SMAJ28|CF|31.1|38.00|1|28|1|8.0|50.0|
|SMAJ28A|CG|31.1|34.40|1|28|1|8.8|45.4|
|po|
|SMAJ30|CH|33.3|40.7|1|30|1|7.5|53.5|
|p|O|
|SMAJ30A|CK|33.3|36.8|1|30|O|1|8.3|48.4|
|SMAJ33|CL|36.7|44.9|1|33|1|6.8|59.0|
|po|
|SMAJ33A|CM|36.7|40.6|1|33|1|7.5|53.3|
|po|

**----- End of picture text -----**<br>


2 Version: U2102 

## **SMAJ5.0(A) – SMAJ188(A)** TAIWANSEMICONDUCTOR(aig Taiwan Semiconductor 

## ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted) 

|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)TA = 25°C unless otherwise noted)A = 25°C unless otherwise noted)= 25°C unless otherwise noted))|
|---|---|---|---|---|---|---|---|---|
|**Part number**|**Marking**<br>**code**|**Breakdown**<br>**voltage**<br>VBR@IT<br>(1)<br>(V)||**Test**<br>**current**<br>IT<br>(mA)|**Working**<br>**stand-off**<br>**voltage**<br>VWM<br>(V)|**Maximum reverse**<br>**leakage current**<br>IR@VWM<br>(1)<br>(µA)|**Maximum peak**<br>**impulse current**<br>IPPM(A)(2)|**Maximum clamping**<br>**voltage**<br>VC@IPPM(V)(2)|
|||Min|Max||||||
|SMAJ36<br>~~a~~<br>~~pO~~|CN|40.0<br>~~GG~~|48.9<br>~~GG~~|1<br>~~GG~~|36<br>~~GG~~|1<br>~~GG~~|6.2<br>~~GG~~|64.3|
|SMAJ36A<br>~~pO~~|CP|40.0|44.2|1|36|1|6.9|58.1|
|SMAJ40<br>~~pO~~<br>~~a~~<br>~~**p**O~~|CQ|44.4<br>~~GG~~|54.3<br>~~GG~~|1<br>~~GG~~|40<br>~~GG ~~|1<br> ~~GG~~|5.6<br>~~GG~~|71.4|
|SMAJ40A<br>~~**p**O~~|CR|44.4|49.1|1|40|1|6.2|64.5|
|SMAJ43<br>~~**p**O~~|CS|47.8|58.4|1|43<br>~~T~~|1<br>~~T~~|5.2<br>~~T~~|76.7<br>~~T~~|
|SMAJ43A<br>~~pO~~<br>~~**p**O~~|CT<br>~~pO~~<br>~~O~~|47.8<br>~~pO~~|52.8<br>~~pO~~|1<br>~~pO~~|43<br>~~T~~<br>~~pO~~|1<br>~~T~~<br>~~pO~~|5.8<br>~~T~~<br>~~pO~~|69.4<br>~~T~~<br>~~pO~~|
|SMAJ45<br>~~**p**O~~|CU<br>~~O~~|50.0|61.1|1|45|1|5.0|80.3|
|SMAJ45A<br>~~**p**O~~|CV<br>~~O~~|50.0|55.3|1|45<br>~~T~~|1<br>~~T~~|5.5<br>~~T~~|72.7<br>~~T~~|
|SMAJ48<br>~~pO~~|CW<br>~~pO~~|53.3<br>~~pO~~|65.1<br>~~pO~~|1<br>~~pO~~|48<br>~~T~~<br>~~pO~~|1<br>~~T~~<br>~~pO~~|4.7<br>~~T~~<br>~~pO~~|85.5<br>~~T~~<br>~~pO~~|
|SMAJ48A<br>~~pT~~|CX<br>~~pT~~|53.3<br>~~pT~~|58.9<br>~~pT~~|1<br>~~pT~~|48<br>~~pT~~|1<br>~~pT~~|5.2<br>~~pT~~|77.4<br>~~pT~~|
|SMAJ51<br>~~pT~~<br>~~pO~~<br>~~**p**O~~|CY<br>~~pT~~<br>~~pO~~<br>~~O~~|56.7<br>~~pT~~<br>~~pO~~|69.3<br>~~pT~~<br>~~pO~~|1<br>~~pT~~<br>~~pO~~|51<br>~~pT~~<br>~~pO~~|1<br>~~pT~~<br>~~pO~~|4.4<br>~~pT~~<br>~~pO~~|91.1<br>~~pT~~<br>~~pO~~|
|SMAJ51A<br>~~**p**O~~|CZ<br>~~O~~|56.7|62.7|1|51|1|4.9|82.4|
|SMAJ54<br>~~**p**O~~|RD<br>~~O~~|60.0|73.3|1|54<br>~~T~~|1<br>~~T~~|4.2<br>~~T~~|96.3<br>~~T~~|
|SMAJ54A<br>~~pO~~|RE<br>~~pO~~|60.0<br>~~pO~~|66.3<br>~~pO~~|1<br>~~pO~~|54<br>~~T~~<br>~~pO~~|1<br>~~T~~<br>~~pO~~|4.6<br>~~T~~<br>~~pO~~|87.1<br>~~T~~<br>~~pO~~|
|SMAJ58<br>~~pT~~|RF<br>~~pT~~|64.4<br>~~pT~~|78.7<br>~~pT~~|1<br>~~pT~~|58<br>~~pT~~|1<br>~~pT~~|3.9<br>~~pT~~|103<br>~~pT~~|
|SMAJ58A<br>~~pT~~<br>~~pO~~|RG<br>~~pT~~<br>~~pO~~|64.4<br>~~pT~~<br>~~pO~~|71.2<br>~~pT~~<br>~~pO~~|1<br>~~pT~~<br>~~pO~~|58<br>~~pT~~<br>~~pO~~|1<br>~~pT~~<br>~~pO~~|4.3<br>~~pT~~<br>~~pO~~|93.6<br>~~pT~~<br>~~pO~~|
|SMAJ60<br>~~pT~~|RH<br>~~pT~~|66.7<br>~~pT~~|81.5<br>~~pT~~|1<br>~~pT~~|60<br>~~pT~~|1<br>~~pT~~|3.7<br>~~pT~~|107<br>~~pT~~|
|SMAJ60A<br>~~pT~~<br>~~po~~|RK<br>~~pT~~<br>~~po~~|66.7<br>~~pT~~<br>~~po~~|73.7<br>~~pT~~<br>~~po~~|1<br>~~pT~~<br>~~po~~|60<br>~~pT~~<br>~~po~~|1<br>~~pT~~<br>~~po~~|4.1<br>~~pT~~<br>~~po~~|96.8<br>~~pT~~<br>~~po~~|
|SMAJ64<br>~~po~~<br>~~pO~~|RL<br>~~po~~<br>~~pO~~|71.1<br>~~po~~<br>~~pO~~|86.9<br>~~po~~<br>~~pO~~|1<br>~~po~~<br>~~pO~~|64<br>~~po~~<br>~~pO~~|1<br>~~po~~<br>~~pO~~|3.5<br>~~po~~<br>~~pO~~|114<br>~~po~~<br>~~pO~~|
|SMAJ64A<br>~~pT~~<br>~~ee~~|RM<br>~~pT~~<br>~~a~~|71.1<br>~~pT~~|78.6<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~GG~~|64<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~OG~~|3.9<br>~~pT~~<br>~~OG~~|103<br>~~pT~~<br>~~OO~~|
|SMAJ70<br>~~pT~~<br>~~ee~~|RN<br>~~pT~~<br>~~a~~|77.8<br>~~pT~~|95.1<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~GG~~|70<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~OG~~|3.2<br>~~pT~~<br>~~OG~~|125<br>~~pT~~<br>~~OO~~|
|SMAJ70A<br>~~ee~~<br>~~pT~~<br>~~es~~|RP<br>~~a~~<br>~~pT~~|77.8<br>~~pT~~<br>~~GG~~|86<br>~~GG~~<br>~~pT~~<br>~~GG~~|1<br>~~GG~~<br>~~pT~~<br>~~GG~~|70<br>~~GG ~~<br>~~pT~~<br>~~GG~~|1<br> ~~OG~~<br>~~pT~~<br>~~GO~~|3.5<br>~~OG~~<br>~~pT~~<br>~~GO~~|113<br>~~OO~~<br>~~pT~~<br>~~OO~~|
|SMAJ75<br>~~es~~|RQ|83.3<br>~~GG~~|102<br>~~GG~~|1<br>~~GG~~|75<br>~~GG~~|1<br>~~GO~~|3.0<br>~~GO~~|134<br>~~OO~~|
|SMAJ75A<br>~~es~~<br>~~pO~~|RR<br>~~pO~~|83.3<br>~~GG~~<br>~~pO~~|92.1<br>~~GG~~<br>~~pO~~|1<br>~~GG~~<br>~~pO~~|75<br>~~GG ~~<br>~~pO~~|1<br> ~~GO~~<br>~~pO~~|3.3<br>~~GO~~<br>~~pO~~|121<br>~~OO~~<br>~~pO~~|
|SMAJ78<br>~~pT~~<br>~~es~~|RS<br>~~pT~~|86.7<br>~~pT~~<br>~~GG~~|106<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~GG~~|78<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~GO~~|2.9<br>~~pT~~<br>~~GO~~|139<br>~~pT~~<br>~~OO~~|
|SMAJ78A<br>~~es~~|RT|86.7<br>~~GG~~|95.8<br>~~GG~~|1<br>~~GG~~|78<br>~~GG~~|1<br>~~GO~~|3.2<br>~~GO~~|126<br>~~OO~~|
|SMAJ85<br>~~es~~<br>~~pT~~<br>~~es~~|RU<br>~~pT~~|94.4<br>~~GG~~<br>~~pT~~<br>~~GG~~|115<br>~~GG~~<br>~~pT~~<br>~~GG~~|1<br>~~GG~~<br>~~pT~~<br>~~GG~~|85<br>~~GG ~~<br>~~pT~~<br>~~GG~~|1<br> ~~GO~~<br>~~pT~~<br>~~GO~~|2.0<br>~~GO~~<br>~~pT~~<br>~~GO~~|151<br>~~OO~~<br>~~pT~~<br>~~OO~~|
|SMAJ85A<br>~~es~~|RV|94.4<br>~~GG~~|104<br>~~GG~~|1<br>~~GG~~|85<br>~~GG~~|1<br>~~GO~~|2.2<br>~~GO~~|137<br>~~OO~~|
|SMAJ90<br>~~es~~<br>~~pT~~|RW<br>~~pT~~|100<br>~~GG~~<br>~~pT~~|122<br>~~GG~~<br>~~pT~~|1<br>~~GG~~<br>~~pT~~|90<br>~~GG ~~<br>~~pT~~|1<br> ~~GO~~<br>~~pT~~|1.9<br>~~GO~~<br>~~pT~~|160<br>~~OO~~<br>~~pT~~|
|SMAJ90A<br>~~po~~<br>~~es~~|RX<br>~~po~~|100<br>~~po~~<br>~~GG~~|111<br>~~po~~<br>~~GG~~|1<br>~~po~~<br>~~GG~~|90<br>~~po~~<br>~~GG~~|1<br>~~po~~<br>~~GO~~|2.1<br>~~po~~<br>~~GO~~|146<br>~~po~~<br>~~OO~~|
|SMAJ100<br>~~es~~|RY|111<br>~~GG~~|136<br>~~GG~~|1<br>~~GG~~|100<br>~~GG~~|1<br>~~GO~~|1.7<br>~~GO~~|179<br>~~OO~~|
|SMAJ100A<br>~~es~~<br>~~pT~~<br>~~es~~|RZ<br>~~pT~~|111<br>~~GG~~<br>~~pT~~<br>~~GG~~|123<br>~~GG~~<br>~~pT~~<br>~~GG~~|1<br>~~GG~~<br>~~pT~~<br>~~GG~~|100<br>~~GG ~~<br>~~pT~~<br>~~GG~~|1<br> ~~GO~~<br>~~pT~~<br>~~GO~~|1.9<br>~~GO~~<br>~~pT~~<br>~~GO~~|162<br>~~OO~~<br>~~pT~~<br>~~OO~~|
|SMAJ110<br>~~es~~|SD|122<br>~~GG~~|149<br>~~GG~~|1<br>~~GG~~|110<br>~~GG~~|1<br>~~GO~~|1.6<br>~~GO~~|196<br>~~OO~~|
|SMAJ110A<br>~~es~~<br>~~pT~~|SE<br>~~pT~~|122<br>~~GG~~<br>~~pT~~|135<br>~~GG~~<br>~~pT~~|1<br>~~GG~~<br>~~pT~~|110<br>~~GG ~~<br>~~pT~~|1<br> ~~GO~~<br>~~pT~~|1.7<br>~~GO~~<br>~~pT~~|177<br>~~OO~~<br>~~pT~~|
|SMAJ120<br>~~po~~<br>~~es~~|SF<br>~~po~~|133<br>~~po~~<br>~~GG~~|163<br>~~po~~<br>~~GG~~|1<br>~~po~~<br>~~GG~~|120<br>~~po~~<br>~~GG~~|1<br>~~po~~<br>~~GO~~|1.4<br>~~po~~<br>~~GO~~|214<br>~~po~~<br>~~OO~~|
|SMAJ120A<br>~~es~~|SG|133<br>~~GG~~|147<br>~~GG~~|1<br>~~GG~~|120<br>~~GG~~|1<br>~~GO~~|1.6<br>~~GO~~|193<br>~~OO~~|
|SMAJ130<br>~~es~~<br>~~GG~~<br>~~Re~~|SH<br>~~GG~~<br>~~eG~~|144<br>~~GG~~<br>~~GG~~<br>~~eG~~|176<br>~~GG~~<br>~~GG~~<br>~~eG~~|1<br>~~GG~~<br>~~GG~~|130<br>~~GG ~~<br>~~GG~~<br>~~GG~~|1<br> ~~GO~~<br>~~GG~~<br>~~GG~~|1.3<br>~~GO~~<br>~~GG~~<br>~~GG~~|231<br>~~OO~~<br>~~OO~~|
|SMAJ130A<br>~~Re~~|SK<br>~~eG~~|144<br>~~eG~~|159<br>~~eG~~|1<br>~~GG~~|130<br>~~GG~~|1<br>~~GG~~|1.5<br>~~GG~~|209<br>~~OO~~|
|SMAJ150<br>~~Re~~<br>~~pT~~<br>~~a~~|SL<br>~~eG~~<br>~~pT~~<br>~~eG~~|167<br>~~eG~~<br>~~pT~~<br>~~eG~~|204<br>~~eG ~~<br>~~pT~~<br>~~eG~~|1<br> ~~GG~~<br>~~pT~~<br>~~GG~~|150<br>~~GG ~~<br>~~pT~~<br>~~GG~~|1<br> ~~GG~~<br>~~pT~~<br>~~OG~~|1.1<br>~~GG~~<br>~~pT~~<br>~~OG~~|266<br>~~OO~~<br>~~pT~~<br>~~GO~~|
|SMAJ150A<br>~~a~~|SM<br>~~eG~~|167<br>~~eG~~|185<br>~~eG~~|1<br>~~GG~~|150<br>~~GG~~|1<br>~~OG~~|1.3<br>~~OG~~|243<br>~~GO~~|
|SMAJ160<br>~~a~~<br>~~pO~~|SN<br>~~eG~~<br>~~pO~~|178<br>~~eG~~<br>~~pO~~|218<br>~~eG ~~<br>~~pO~~|1<br> ~~GG~~<br>~~pO~~|160<br>~~GG ~~<br>~~pO~~|1<br> ~~OG~~<br>~~pO~~|1.0<br>~~OG~~<br>~~pO~~|287<br>~~GO~~<br>~~pO~~|
|SMAJ160A<br>~~pT~~<br>~~a~~|SP<br>~~pT~~<br>~~eG~~|178<br>~~pT~~<br>~~eG~~|197<br>~~pT~~<br>~~eG~~|1<br>~~pT~~<br>~~GG~~|160<br>~~pT~~<br>~~GG~~|1<br>~~pT~~<br>~~OG~~|1.2<br>~~pT~~<br>~~OG~~|259<br>~~pT~~<br>~~GO~~|
|SMAJ170<br>~~a~~|SQ<br>~~eG~~|189<br>~~eG~~|231<br>~~eG~~|1<br>~~GG~~|170<br>~~GG~~|1<br>~~OG~~|1.0<br>~~OG~~|304<br>~~GO~~|
|SMAJ170A<br>~~a~~<br>~~pT~~<br>~~a~~|SR<br>~~eG~~<br>~~pT~~<br>~~eG~~|189<br>~~eG~~<br>~~pT~~<br>~~eG~~|209<br>~~eG ~~<br>~~pT~~<br>~~eG~~|1<br> ~~GG~~<br>~~pT~~<br>~~GG~~|170<br>~~GG ~~<br>~~pT~~<br>~~GG~~|1<br> ~~OG~~<br>~~pT~~<br>~~OG~~|1.1<br>~~OG~~<br>~~pT~~<br>~~OG~~|275<br>~~GO~~<br>~~pT~~<br>~~GO~~|
|SMAJ188<br>~~a~~|ST<br>~~eG~~|209<br>~~eG~~|255<br>~~eG~~|1<br>~~GG~~|188<br>~~GG~~|1<br>~~OG~~|0.9<br>~~OG~~|344<br>~~GO~~|
|SMAJ188A<br>~~a~~<br>~~pT~~|SS<br>~~eG~~<br>~~pT~~|209<br>~~eG~~<br>~~pT~~|231<br>~~eG ~~<br>~~pT~~|1<br> ~~GG~~<br>~~pT~~|188<br>~~GG ~~<br>~~pT~~|1<br> ~~OG~~<br>~~pT~~|0.9<br>~~OG~~<br>~~pT~~|328<br>~~GO~~<br>~~pT~~|



1. Pulse test with PW = 30ms 

2. Non-repetitive current pulse, per Fig.5 and derated above TA = 25°C per Fig.2 

3. Peak pulse power waveform is 10/1000µs 

4. For bi-directional devices having VR of 10V and under, the IR limit is double. 

|ORDERING INFORMATION|ORDERING INFORMATION|ORDERING INFORMATION|
|---|---|---|
|ORDERING CODE(1)|PACKAGE|PACKING|
|SMAJx|DO-214AC (SMA)|7,500 / Tape & Reel|



**Notes:** 

1. “x” defines voltage from 5.0V(SMAJ5.0) to 188V(SMAJ188) 

3 Version: U2102 

## % SEMICONDUCTOR(ig **SMAJ5.0(A) – SMAJ188(A)** Taiwan Semiconductor 

## CHARACTERISTICS CURVES 

(TA = 25°C unless otherwise noted) 

## **Fig.1 Peak Pulse Power Rating Curve** 

## **Fig.2 Pulse Derating Curve** 

**==> picture [515 x 526] intentionally omitted <==**

**----- Start of picture text -----**<br>
100 125<br>NON-REPETITIVE<br>PULSE WAVEFORM<br>a Nee SHOWN in Fig.5  100<br>10 So TT<br>75<br>RE<br>50<br>1<br>i mt a<br>25<br>PPA ETT PECTIN<br>0.1 CCFC 0<br>0.1 1 10 100 1000 10000 0 25 50 75 100 125 150<br>tp, PULSE WIDTH (μs)  TA, AMBIENT TEMPERATURE (A, AMBIENT TEMPERATURE (, AMBIENT TEMPERATURE ( ° C)<br>                   Fig.3 Typical Junction Capacitance            Fig.4 Maximum Non-repetitive Forward Surge<br>Current<br>10000 50<br>8.3ms single half sine wave<br>a ee MEASURED AT  ee 40 a<br>1000 ZERO BIAS<br>ete<br>a ee aes 30 ™<br>——— gy | ONNUEUT<br>SSS Se<br>OS 20 ™<br>100<br>SS MEASURED at  10 TA Pe<br>STAND-OFF<br>10 f=1.0MHz Vsig=50mVp-p  VOLTAGE,Vwm  cro 0<br>1 Pb 10 ee 100 1 TTI 10 CH 100<br>V(BR), BREAKDOWN VOLTAGE (V)  NUMBER OF CYCLES AT 60 Hz<br>)<br>PP<br>) OR CURRENT (I<br>PP<br>, PEAK PULSE POWER (KW)<br>PPM<br>P DERATING IN PERCENTAGE (%)<br>PEAK PULSE POWER(P<br>, JUNCTION CAPACITANCE (pF) CJ<br>IFSM, PEAK FORWARD SURGE CURRENT (A)<br>**----- End of picture text -----**<br>


**==> picture [250 x 210] intentionally omitted <==**

**----- Start of picture text -----**<br>
125<br>100<br>75<br>50<br>25<br>0<br>0 25 50 75 100 125 150<br>TA, AMBIENT TEMPERATURE (A, AMBIENT TEMPERATURE (, AMBIENT TEMPERATURE ( ° C)<br>)<br>PP<br>) OR CURRENT (I<br>PP<br>DERATING IN PERCENTAGE (%)<br>PEAK PULSE POWER(P<br>**----- End of picture text -----**<br>


4 Version: U2102 

& SMDOR E>EE———————————————————————— **SMAJ5.0(A) – SMAJ188(A)** EE Taiwan Semiconductor 

## CHARACTERISTICS CURVES 

(TA = 25°C unless otherwise noted) 

**Fig.5 Clamping Power Pulse Waveform** 

**==> picture [351 x 192] intentionally omitted <==**

**----- Start of picture text -----**<br>
120<br>110 | Peak value  a ee Pulse width(td) is defined<br>100 . IPPM  PT as the point where the peak<br>current decays to 50% of IPPM<br>90 a a<br>>} 80 Rise time tr=10μs to 100% of IPPM<br>70 AN a<br>Half value-IPPM/2<br>60 Nee So<br>10/1000μs, waveform<br>50 Nae as defined by R.E.A.  a<br>40 PA a<br>30 a a ee ee ee<br>20 a<br>td<br>10<br>0 S anes es<br>0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5<br>t, TIME (ms)<br>, PEAK PULSE CURRENT (%)<br>IPPM<br>**----- End of picture text -----**<br>


5 Version: U2102 

## % SEMICONDUCTOR[gee **SMAJ5.0(A) – SMAJ188(A)** Taiwan Semiconductor 

## PACKAGE OUTLINE DIMENSIONS 

**DO-214AC (SMA)** 

## SUGGESTED PAD LAYOUT 

**==> picture [59 x 61] intentionally omitted <==**

**----- Start of picture text -----**<br>
A<br>i| |<br>L [L]<br>**----- End of picture text -----**<br>


## MARKING DIAGRAM 

P/N = Marking Code G = Green Compound YW = Date Code F = Factory Code 

Cathode band for uni-directional products only 

6 Version: U2102 

## **SMAJ5.0(A) – SMAJ188(A)** TAIWANSEMICONDUCTOR(i Taiwan Semiconductor 

## Notice 

Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. 

Purchasers are solely responsible for the choice, selection, and use of TSC products and TSC assumes no liability for application assistance or the design of Purchasers’ products. 

Information contained herein is intended to provide a product description only. No license, express or implied, to any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. 

The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify TSC for any damages resulting from such improper use or sale. 

7 Version: U2102 



## Links

- [View this product on Novapart](https://novapart.co/products/SMAJ30CA/tvs-diode-bidirectional-30-v-400-w-333-vbr-368-484)
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- [Supplier page](https://es.farnell.com/taiwan-semiconductor/smaj30ca/tvs-diode-400w-30v-bidir-do-214ac/dp/3519540RL)
---

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