# TVS Diode, SMAJ, Bidirectional, 15 V, 24.4 V, DO-214AC (SMA), 2 Pins

![Product image](https://novapart.co/image/farnell:3103944/)

**URL**: https://novapart.co/products/SMAJ15CA/TR7/tvs-diode-smaj-bidirectional-15-v-244-do-214ac-sma
**SKU**: SMAJ15CA/TR7
**Manufacturer**: YAGEO
**Category**: Circuit Protection || TVS - Transient Voltage Suppressors || TVS Diodes
**Price**: €0.0380
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| No. Of Pins | 2Pins |
| Tvs Polarity | Bidirectional |
| Product Range | SMAJ |
| Diode Mounting | Surface Mount |
| Diode Case Style | DO-214AC (SMA) |
| Clamping Voltage Max | 24.4V |
| Reverse Standoff Voltage | 15V |
| Maximum Breakdown Voltage | 18.5V |
| Minimum Breakdown Voltage | 16.7V |
| Operating Temperature Max | 150°C |
| Peak Pulse Power Dissipation | 400W |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3103944/)

DATA SHEET TRANSIENT VOLTAGE SUPPRESSORS AC/DC POWER SUPPLY SMAJ series **RoHS compliant & Halogen free** 

> Product Specification 2 ~~-~~ 7 

Circuit Protection 

Transient Voltage Suppressors 

SMAJ 

## **Transient Voltage Suppressors (TVS) Data Sheet** 

## **Features** 

■ For surface mounted applications in order to optimize board space 

- Low profile package 

- Glass passivated junction 

- Low inductance 

- Excellent clamping capability 

■ 400W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycle): 0.01% 

- Fast response time 

- Typical IR less than 1μA above 10V 

- High Temperature soldering: 260 ℃ /10 seconds at terminals 

- Plastic package has underwriters laboratory flammability 94V-0 

- Meets MSL level 1, per J-STD-020 

- Safety certification:  UL: E244458 

## **Mechanical Data** 

■ Case: JEDEC DO-214AC. Molded plastic over glass passivated junction 

- Terminal: Solder plated, solderable per MIL-STD-750, Method 2026 

- Polarity: Color band denotes cathode except bi-directional models 

- Standard Packaging: 12mm tape (EIA STD RS-481) 

- Weight: 0.07g 

## **Applications** 

■ I/O interface ■ AC/DC power supply 

■ Low frequency signal transmission line (RS232, RS485, etc.) 

## **Maximum Ratings and Characteristics** 

Ratings at 25 ℃ ambient temperature unless otherwise specified. 

|Rating|Symbol|Value|Units|
|---|---|---|---|
|Peak pulse power dissipation at 10/1000μs waveform<br>(Note1,Note2,Fig.1)|PPPM|Minimum 400|Watts|
|Peak pulse current of at 10/1000μs waveform (Note 1, Fig.3)|IPPM|See Table|Amps|
|Steady state power dissipation at TA=50℃(Fig.5)|PM(AV)|3.3|Watts|
|Peak forward surge current, 8.3ms single half sine-wave<br>superimposed on rated load, (JEDEC Method) (Note3,Fig.6)|IFSM|40|Amps|
|Operating junction and Storage Temperature Range.|TJ,TSTG|-65 to +150|℃|
|Typical thermal resistance junction to lead|RθJL|30|℃/W|
|Typical thermal resistance junction to ambient|RθJA|120|℃/W|



Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25 ℃ per Fig.2. 

2. Mounted on 5.0mm×5.0mm (0.03mm thick) copper pads to each terminal. 

3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle=4 pulses per minutes maximum. 

OOOO Nov. 26, 2018 V.0 

www.yageo.com 

Circuit Protection 

> Product Specification 3 7 

Transient Voltage Suppressors 

SMAJ 

## **Dimensions (SMA/DO-214AC)** 

||||D1<br>D<br>L<br>Cathode Band<br>T<br>d<br>H1<br>T1<br>H|D1<br>D<br>L<br>Cathode Band<br>T<br>d<br>H1<br>T1<br>H|D1<br>D<br>L<br>Cathode Band<br>T<br>d<br>H1<br>T1<br>H|Symbol<br>L<br>D<br>D1<br>T<br>T1<br>d<br>H<br>H1|||||
|---|---|---|---|---|---|---|---|---|---|---|
||||||||Millimeters||Inches||
||||||||||||
||||||||||||
||||||||Min.|Max.|Min.|Max.|
||||||||||||
||||||||3.99|4.50|0.157|0.177|
||||||||2.54|2.79|0.100|0.110|
||||||||1.25|1.65|0.049|0.065|
||||L||||||||
||||||||4.93|5.28|0.194|0.208|
||||||||0.76|1.52|0.030|0.060|
||||||||||||
||||||T1||-|0.203|-|0.008|
||||T<br>d||||||||
||||||||2.00|2.50|0.079|0.098|
||||||||||||
||||||||1.98|2.29|0.078|0.090|



## **Electrical Characteristics (TA=25** ℃ **)** 

||||||||Maximum<br>Clamping<br>Voltage<br>@IPP|||
|---|---|---|---|---|---|---|---|---|---|
|||Device<br>Marking<br>Code||Reverse<br>Stand-Off<br>Voltage|Breakdown<br>Voltage<br>@IT|||Peak<br>Pulse<br>Current|Reverse<br>Leakage<br>@VRWM|
|||||||Test<br>Current||||
|Part Number||||||||||
|||||||||||
|||||||||||
|||||||||||
|Unidirectional|Bidirectional|UNI|BI|VRWM(V)|VBR(V)|IT(mA)|VC(V)|IPP(A)|IR(μA)|
|SMAJ5.0A|SMAJ5.0CA|AE|WE|5.0|6.40~7.00|10|9.2|43.5|800|
|SMAJ6.0A|SMAJ6.0CA|AG|WG|6.0|6.67~7.37|10|10.3|38.8|800|
|SMAJ6.5A|SMAJ6.5CA|AK|WK|6.5|7.22~7.98|10|11.2|35.7|500|
|SMAJ7.0A|SMAJ7.0CA|AM|WM|7.0|7.78~8.60|10|12.0|33.3|200|
|SMAJ7.5A|SMAJ7.5CA|AP|WP|7.5|8.33~9.21|1|12.9|31.0|100|
|SMAJ8.0A|SMAJ8.0CA|AR|WR|8.0|8.89~9.83|1|13.6|29.4|50|
|SMAJ8.5A|SMAJ8.5CA|AT|WT|8.5|9.44~10.40|1|14.4|27.8|20|
|SMAJ9.0A|SMAJ9.0CA|AV|WV|9.0|10.00~11.10|1|15.4|26.0|10|
|SMAJ10A|SMAJ10CA|AX|WX|10.0|11.10~12.30|1|17.0|23.5|5|
|SMAJ11A|SMAJ11CA|AZ|WZ|11.0|12.20~13.50|1|18.2|22.0|1|
|SMAJ12A|SMAJ12CA|BE|XE|12.0|13.30~14.70|1|19.9|20.1|1|
|SMAJ13A|SMAJ13CA|BG|XG|13.0|14.40~15.90|1|21.5|18.6|1|
|SMAJ14A|SMAJ14CA|BK|XK|14.0|15.60~17.20|1|23.2|17.2|1|
|SMAJ15A|SMAJ15CA|BM|XM|15.0|16.70~18.50|1|24.4|16.4|1|
|SMAJ16A|SMAJ16CA|BP|XP|16.0|17.80~19.70|1|26.0|15.4|1|
|SMAJ17A|SMAJ17CA|BR|XR|17.0|18.90~20.90|1|27.6|14.5|1|
|SMAJ18A|SMAJ18CA|BT|XT|18.0|20.00~22.10|1|29.2|13.7|1|
|SMAJ20A|SMAJ20CA|BV|XV|20.0|22.20~24.50|1|32.4|12.3|1|
|SMAJ22A|SMAJ22CA|BX|XX|22.0|24.40~26.90|1|35.5|11.3|1|
|SMAJ24A|SMAJ24CA|BZ|XZ|24.0|26.70~29.50|1|38.9|10.3|1|



www.yageo.com 

Nov. 26, 2018 V.0 

Circuit Protection 

> Product Specification 4 7 

Transient Voltage Suppressors 

SMAJ 

## **Electrical Characteristics (TA=25** ℃ **)** 

||||||||Maximum<br>Clamping<br>Voltage<br>@IPP|||
|---|---|---|---|---|---|---|---|---|---|
|||Device<br>Marking<br>Code||Reverse<br>Stand-Off<br>Voltage|Breakdown<br>Voltage<br>@IT|||Peak<br>Pulse<br>Current|Reverse<br>Leakage<br>@VRWM|
|||||||Test<br>Current||||
|Part Number||||||||||
|||||||||||
|||||||||||
|||||||||||
|Unidirectional|Bidirectional|UNI|BI|VRWM(V)|VBR(V)|IT(mA)|VC(V)|IPP(A)|IR(μA)|
|SMAJ26A|SMAJ26CA|CE|YE|26.0|28.90~31.90|1|42.1|9.5|1|
|SMAJ28A|SMAJ28CA|CG|YG|28.0|31.10~34.40|1|45.4|8.8|1|
|SMAJ30A|SMAJ30CA|CK|YK|30.0|33.30~36.80|1|48.4|8.3|1|
|SMAJ33A|SMAJ33CA|CM|YM|33.0|36.70~40.60|1|53.3|7.5|1|
|SMAJ36A|SMAJ36CA|CP|YP|36.0|40.00~44.20|1|58.1|6.9|1|
|SMAJ40A|SMAJ40CA|CR|YR|40.0|44.40~49.10|1|64.5|6.2|1|
|SMAJ43A|SMAJ43CA|CT|YT|43.0|47.80~52.80|1|69.4|5.8|1|
|SMAJ45A|SMAJ45CA|CV|YV|45.0|50.00~55.30|1|72.7|5.5|1|
|SMAJ48A|SMAJ48CA|CX|YX|48.0|53.30~58.90|1|77.4|5.2|1|
|SMAJ51A|SMAJ51CA|CZ|YZ|51.0|56.70~62.70|1|82.4|4.9|1|
|SMAJ54A|SMAJ54CA|RE|ZE|54.0|60.00~66.30|1|87.1|4.6|1|
|SMAJ58A|SMAJ58CA|RG|ZG|58.0|64.40~71.20|1|93.6|4.3|1|
|SMAJ60A|SMAJ60CA|RK|ZK|60.0|66.70~73.70|1|96.8|4.1|1|
|SMAJ64A|SMAJ64CA|RM|ZM|64.0|71.10~78.60|1|103.0|3.9|1|
|SMAJ70A|SMAJ70CA|RP|ZP|70.0|77.80~86.00|1|113.0|3.5|1|
|SMAJ75A|SMAJ75CA|RR|ZR|75.0|83.30~92.10|1|121.0|3.3|1|
|SMAJ78A|SMAJ78CA|RT|ZT|78.0|86.70~95.80|1|126.0|3.2|1|
|SMAJ85A|SMAJ85CA|RV|ZV|85.0|94.40~104.00|1|137.0|2.9|1|
|SMAJ90A|SMAJ90CA|RX|ZX|90.0|100.00~111.00|1|146.0|2.7|1|
|SMAJ100A|SMAJ100CA|RZ|ZZ|100.0|111.00~123.00|1|162.0|2.5|1|
|SMAJ110A|SMAJ110CA|SE|VE|110.0|122.00~135.00|1|177.0|2.3|1|
|SMAJ120A|SMAJ120CA|SG|VG|120.0|133.00~147.00|1|193.0|2.1|1|
|SMAJ130A|SMAJ130CA|SK|VK|130.0|144.00~159.00|1|209.0|1.9|1|
|SMAJ150A|SMAJ150CA|SM|VM|150.0|167.00~185.00|1|243.0|1.6|1|
|SMAJ160A|SMAJ160CA|SP|VP|160.0|178.00~197.00|1|259.0|1.5|1|
|SMAJ170A|SMAJ170CA|SR|VR|170.0|189.00~209.00|1|275.0|1.5|1|
|SMAJ180A|SMAJ180CA|ST|VT|180.0|201.00~222.00|1|292.0|1.4|1|
|SMAJ190A|SMAJ190CA|SU|YU|190.0|211.00~233.00|1|308.0|1.3|1|
|SMAJ200A|SMAJ200CA|SV|VV|200.0|224.00~247.00|1|324.0|1.2|1|
|SMAJ210A|SMAJ210CA|SW|YW|210.0|237.00~263.00|1|340.0|1.2|1|
|SMAJ220A|SMAJ220CA|GE|VX|220.0|246.00~272.00|1|356.0|1.1|1|
|SMAJ250A|SMAJ250CA|SZ|VZ|250.0|279.00~309.00|1|405.0|1.0|1|
|SMAJ300A|SMAJ300CA|TE|UE|300.0|335.00~371.00|1|486.0|0.8|1|
|SMAJ350A|SMAJ350CA|TG|UG|350.0|391.00~432.00|1|567.0|0.7|1|
|SMAJ400A|SMAJ400CA|TK|UK|400.0|447.00~494.00|1|648.0|0.6|1|
|SMAJ440A|SMAJ440CA|TM|UM|440.0|492.00~543.00|1|713.0|0.6|1|



Notes: For bidirectional type having VRWM of 10V and less, the IR limit is double. 

www.yageo.com 

Nov. 26, 2018 V.0 

Circuit Protection 

> Product Specification 5 7 

Transient Voltage Suppressors 

SMAJ 

## **Ratings and Characteristic Curves (TA=25** ℃ **unless otherwise noted)** 

Figure 1. Peak Pulse Power Rating Curve 

Figure 2. Pulse Derating Curve 

**==> picture [222 x 181] intentionally omitted <==**

**----- Start of picture text -----**<br>
10<br>1<br>0.2×0.2″(5.0×5.0mm)<br>Copper Pad Area<br>0.1<br>1 10 100 1000<br>td-Pulse Width (µs)<br>- Peak Pulse Power (kW)<br>PPM<br>P<br>**----- End of picture text -----**<br>


**==> picture [222 x 178] intentionally omitted <==**

**----- Start of picture text -----**<br>
100<br>80<br>60<br>40<br>20<br>0<br>0 25 50 75 100 125 150 175<br>TA-Ambient Temperature ( ℃ )<br>)<br>PP<br>) or Current (I<br>PP<br>Derating in Percentage %<br>Peak Pulse Power (P<br>**----- End of picture text -----**<br>


Figure 3. Pulse Waveform 

Figure 4. Typical Junction Capacitance 

**==> picture [222 x 181] intentionally omitted <==**

**----- Start of picture text -----**<br>
150<br>tr=10µs TJ=25 ℃<br>Pulse Width(td) is defined as<br>the point where the peak<br>current decays to 50% of IPPM<br>100 Peak Value IPPM<br>Half Value I PPM  (I PPM /2)<br>50<br>10/1000µs Waveform<br>as defined by R.E.A<br>0 td<br>0 1.0 2.0 3.0 4.0<br>t-Time (ms)<br>RSM<br>- Peak Pulse Current, %I<br>IPPM<br>**----- End of picture text -----**<br>


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**----- Start of picture text -----**<br>
10000<br>Bi-directional V=0V<br>1000<br>Uni-directional V=0V<br>Uni-directional @VR<br>100<br>10<br>Bi-directional @VR<br>T J =25 ℃<br>f=1.0MHz<br>Vsig=50mVp-p<br>1<br>1 10 100 1000<br>VBR-Reverse Breakdown Voltage (V)<br>Cj (pF)<br>**----- End of picture text -----**<br>


**==> picture [35 x 32] intentionally omitted <==**

Figure 5. Steady State Power Dissipation Derating Curve 

Figure 6. Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 

**==> picture [224 x 178] intentionally omitted <==**

**----- Start of picture text -----**<br>
3.6<br>3.0<br>2.4<br>1.8<br>1.2<br>0.6<br>0<br>0 25 50 75 100 125 150 175<br>TA-Ambient Temperature ( ℃ )<br>, Steady State Power Dissipation (W)<br>M(AV)<br>P<br>**----- End of picture text -----**<br>


**==> picture [221 x 178] intentionally omitted <==**

**----- Start of picture text -----**<br>
45<br>40<br>35<br>30<br>25<br>20<br>15<br>10<br>5<br>0<br>1 10 100<br>Number of Cycles at 60Hz<br>- Peak Forward Surve Current (A)<br>IFSM<br>**----- End of picture text -----**<br>


www.yageo.com 

Nov. 26, 2018 V.0 

**==> picture [531 x 342] intentionally omitted <==**

**----- Start of picture text -----**<br>
Circuit Protection  Product Specification 6<br>7<br>YAGEQ| Transient Voltage Suppressors  SMAJ<br>Recommended Soldering Conditions<br>Reflow Soldering<br>tP Critical Zone<br>TP TL to TP<br>Ramp-up<br>——_,. ee<br>TL<br>TS max tL<br>TS min<br>Ramp-down<br>tS<br>Preheat<br>|  —ae<br>25<br>t 25 ℃  to Peak<br>Time<br>Recommended Conditions<br>Temperature<br>**----- End of picture text -----**<br>


|Profile Feature|Pb-Free Assembly|
|---|---|
|Average ramp-up rate (TLto TP)|3℃/second max.|
|Preheat<br>-Temperature Min (TS min)<br>-Temperature Max (TS max)<br>-Time(min to max) (tS)|150℃<br>200℃<br>60-180 seconds|
|TS maxto TL<br>-Ramp-up Rate|3℃/second max.|
|Time maintained above:<br>-Temperature (TL)<br>-Time(tL)|217℃<br>60-150 seconds|
|Peak Temperature (TP)|260℃|
|Time within 5℃of actual Peak Temperature (tP)|20-40 seconds|
|Ramp-down Rate|6℃/second max.|
|Time 25℃to Peak Temperature|8 minutes max.|



## **Marking Code** 

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**----- Start of picture text -----**<br>
Cathode Band<br>YXXX YXXX<br>AE WE<br>a oa<br>Logo Date Code Logo Date Code<br>Marking Code Marking Code<br>**----- End of picture text -----**<br>


www.yageo.com 

Nov. 26, 2018 V.0 

> Product Specification 7 ~~]~~ 7 

Circuit Protection 

Transient Voltage Suppressors 

SMAJ 

## **Part Number Code** 

**SMAJ  XXX  C  A** 

**==> picture [528 x 641] intentionally omitted <==**

**----- Start of picture text -----**<br>
5% VBR Voltage Tolerance<br>Bidirectional<br>VRWM Voltage<br>Series Code<br>Packaging<br>Tape  Symbol  Dimension (mm)<br>W  12.00±0.20<br>P0  4.00±0.10<br>————<br>P1  4.00±0.10<br>P0 P1 P2 D0 B E T<br>P2  2.00±0.10<br>D0  Φ1.5±0.10<br>F<br>W<br>B0 D1  Φ1.5±0.10<br>| A A D1 B K0 E  1.75±0.10<br>e4 e  —-—ee<br>SECTION B-B F  5.50±0.05<br>A0  2.79±0.10<br>A0<br>t b ee B0  5.33±0.10<br>SECTION A-A<br>K0  2.55±0.15<br>T  0.25±0.05<br>———<br>7” Reel<br>D2  Φ178.0±2.0<br>a<br>D3  Φ50.0Min.<br>D4<br>D3 D4  Φ13.0±0.5<br>W1  16.0±2.0<br>fT<br>D2 W1 Quantity: 1000PCS<br>Oo<br>13” Reel<br>D5  Φ330.0±2.0<br>D6  Φ13.5±0.5<br>H  2.5±1.0<br>(OXS z | Sf W2  16.0±2.0<br>Quantity: 5000PCS<br>**----- End of picture text -----**<br>


www.yageo.com QQOO———— ~~SA~~ TTA Nov. 26, 2018 V.0 



## Links

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- [Supplier page](https://es.farnell.com/en-ES/yageo/smaj15ca-tr7/tvs-diode-400w-15v-bidir-do-214ac/dp/3103944)
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