P4SMA6.8CA

TVS Diode, P4SMA Series, Bidirectional, 5.8 V, 14 V, DO-214AC (SMA), 2 Pins

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BOURNS
Product type: TVS Diodes
SVHC: Lead (04-Feb-2026)
No. of Pins: 2Pins
TVS Polarity: Bidirectional
Product Range: P4SMA Series
Qualification: -
Diode Mounting: Surface Mount
Diode Case Style: DO-214AC (SMA)
Clamping Voltage Max: 14V
Reverse Standoff Voltage: 5.8V
Maximum Breakdown Voltage: 7.14V
Minimum Breakdown Voltage: 6.45V
Operating Temperature Max: 150°C
Peak Pulse Power Dissipation: 400W

Delivery and price
Units per pack	1000
Price	0.095 €
Current stock	1000+
Lead time	30 days

Datasheet

## **Features** 

■ RoHS compliant* and halogen free** 

- Surface Mount SMA package 

- Breakdown Voltage: 6.8 to 550 volts 

## **Applications** 

■ IEC 61000-4-2 ESD (Min. Level 4) 

■ IEC 61000-4-4 EFT 

   - IEC 61000-4-5 Surge 

- Peak Pulse Power: 400 watts 

- Typical temperature coefficient: 

- ΔVBR = 0.1 % x VBR @ 25 °C x ΔT 

## **P4SMA Transient Voltage Suppressor Diode Series** 

## ~~**General Information**~~ 

The markets of portable communications, computing and video equipment are challenging the semiconductor industry to develop increasingly smaller electronic components. 

Bourns offers Transient Voltage Suppressor Diodes for surge and ESD protection applications, in compact chip package DO-214AC (SMA) size format. The Transient Voltage Suppressor series offers a choice of Breakdown Voltages from 6.8 V up to 550 V. Typical fast response times are less than 1.0 picosecond for unidirectional devices and less than 5.0 picoseconds for bidirectional devices. 

## ~~**Additional Information**~~ 

Click these links for more information: 

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PRODUCT  TECHNICAL INVENTORY SAMPLES CONTACT<br>SELECTOR LIBRARY<br>**----- End of picture text -----**<br>


Bourns[®] Chip Diodes conform to JEDEC standards, are easy to handle with standard pick and place equipment and the flat configuration minimizes roll away. 

## ~~**Maximum Ratings (@ T**~~ **A** ~~**= 25 °C Unless Otherwise Noted)**~~ 

|**Parameter**|**Parameter**|**Symbol**|**Value**|**Unit**|
|---|---|---|---|---|
|Peak Pulse Power Dissipation (TP = 1 ms)(Note 1,2)||PPK|400|Watts|
|Peak Forward Surge Current<br>8.3 ms Single Half Sine Wave Superimposed on Rated Load<br>(JEDEC Method)(Note 3)||IFSM|40|Amps|
|Instantaneous Forward Voltage @ 25 A<br>(For Unidirectional Units Only)|P4SMA6.8A ~ P4SMA200A<br>P4SMA220A ~ P4SMA550A|VF|3.5<br>5.0|Volts|
|Operating Temperature Range||TJ|-55 to +150|°C|
|Storage Temperature Range||TSTG|-55 to +150|°C|



1. Non-repetitive current pulse, per Pulse Waveform graph and derated above TA = 25 °C per Pulse Derating Curve. 

2. Mounted on 5.0 mm x 5.0 mm copper pad to each terminal. 

3. 8.3 ms Single Half-Sine Wave duty cycle = 4 pulses maximum per minute (unidirectional units only). 

## ~~**How to Order**~~ 

## **Asia-Pacific:** 

Tel: +886-2 2562-4117 • Email: asiacus@bourns.com **EMEA:** Tel: +36 88 885 877 • Email: eurocus@bourns.com 

## **The Americas:** 

Tel: +1-951 781-5500 • Email: americus@bourns.com **www.bourns.com** 

**P4SMA   6.8   CA - H** Series P4SMA = SMA/DO-214AC Breakdown Voltage 6.8 to 550 = 6.8 to 550 VBD (Volts) Suffix A = 5 % Tolerance Unidirectional Device CA = 5 % Tolerance Bidirectional Device Reel (blank) = 13-inch reel -H = 7-inch reel 

> * RoHS Directive 2015/863, Mar 31, 2015 and Annex. 

> ** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. 

**WARNING  Cancer and Reproductive Harm -** www.P65Warnings.ca.gov 

Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **P4SMA Transient Voltage Suppressor Diode Series** 

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Electrical Characteristics (@ T A  = 25 °C Unless Otherwise Noted)<br>Maximum  Maximum  Maximum  Maximum<br>Unidirectional Device Bidirectional Device Breakdown Voltage VBR (Volts) Working Reverse Peak   Maximum Leakage  Reverse  Clamping Voltage  @ I CurrentPulse Peak   Clamping  Voltage  @ I CurrentPulse Peak<br>Voltage @ VRWM (10/1000 pp μs) (10/1000 μs) (8/20 pp μs) (8/20 μs)<br>Part No. Marking Part No. Marking Min. Max. @ IT VRWM IR Vc   Ipp   Vc   Ipp<br>(mA) (V) ( μ A) (V) (A) (V) (A)<br>P4SMA6.8A 6V8A P4SMA6.8CA 6V8C 6.45 7.14 10 5.8 1000 10.5 39 14 195<br>**----- End of picture text -----**<br>


||**Unidirectional Device**|**Unidirectional Device**|**Bidirectional Device**|**Bidirectional Device**|**Breakdown Voltage**<br>**VBR (Volts)**|**Breakdown Voltage**<br>**VBR (Volts)**|**Breakdown Voltage**<br>**VBR (Volts)**|<br>**Working**<br>**Peak**<br>**Reverse**<br>**Voltage**|**Maximum**<br>**Reverse**<br>**Leakage**<br>**@ VRWM**|**Maximum**<br>**Clamping**<br>**Voltage**<br>**@ Ipp**<br>**(10/1000μs)**|**Maximum**<br>**Peak**<br>**Pulse**<br>**Current**<br>**(10/1000 μs)**|**Maximum**<br>**Clamping**<br>**Voltage**<br>**@ Ipp**<br>**(8/20μs)**|**Maximum**<br>**Peak**<br>**Pulse**<br>**Current**<br>**(8/20 μs)**|**Maximum**<br>**Peak**<br>**Pulse**<br>**Current**<br>**(8/20 μs)**|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
||**Part No.**|**Marking**|**Part No.**|**Marking**|**Min.**|**Max.**|**@ IT**<br>**(mA)**|**VRWM**<br>**(V)**|**IR**<br>**(**μ**A)**|**Vc**<br>**(V)**|**Ipp**<br>**(A)**|**Vc**<br>**(V)**|**Ipp**<br>**(A)**||
||P4SMA6.8A|6V8A|P4SMA6.8CA|6V8C|6.45|7.14|10|5.8|1000|10.5|39|14|195||
||P4SMA7.5A|7V5A|P4SMA7.5CA|7V5C|7.13|7.88|10|6.4|500|11.3|36.3|14.7|181.5||
||P4SMA8.2A|8V2A|P4SMA8.2CA|8V2C|7.79|8.61|10|7.02|200|12.1|33.9|15.7|169.5||
||P4SMA9.1A|9V1A|P4SMA9.1CA|9V1C|8.65|9.55|1|7.78|50|13.4|30.6|17.4|153.0||
||P4SMA10A|10A|P4SMA10CA|10C|9.5|10.5|1|8.55|10|14.5|28.3|18.9|141.5||
||P4SMA11A|11A|P4SMA11CA|11C|10.5|11.6|1|9.4|5|15.6|26.3|20.3|131.5||
||P4SMA12A|12A|P4SMA12CA|12C|11.4|12.6|1|10.2|5|16.7|24.6|21.7|123.0||
||P4SMA13A|13A|P4SMA13CA|13C|12.4|13.7|1|11.1|1|18.2|22.5|23.7|112.5||
||P4SMA15A|15A|P4SMA15CA|15C|14.3|15.8|1|12.8|1|21.2|19.3|27.6|96.5||
||P4SMA16A|16A|P4SMA16CA|16C|15.2|16.8|1|13.6|1|22.5|18.2|29.3|91.0||
||P4SMA18A|18A|P4SMA18CA|18C|17.1|18.9|1|15.3|1|25.5|16.1|33.2|80.5||
||P4SMA20A|20A|P4SMA20CA|20C|19|21|1|17.1|1|27.7|14.8|36.0|74.0||
||P4SMA22A|22A|P4SMA22CA|22C|20.9|23.1|1|18.8|1|30.6|13.4|39.8|67.0||
||P4SMA24A|24A|P4SMA24CA|24C|22.8|25.2|1|20.5|1|33.2|12.3|43.2|61.5||
||P4SMA27A|27A|P4SMA27CA|27C|25.7|28.4|1|23.1|1|37.5|10.9|48.8|54.5||
||P4SMA30A|30A|P4SMA30CA|30C|28.5|31.5|1|25.6|1|41.4|9.9|53.8|49.5||
||P4SMA33A|33A|P4SMA33CA|33C|31.4|34.7|1|28.2|1|45.7|9|59|45||
||P4SMA36A|36A|P4SMA36CA|36C|34.2|37.8|1|30.8|1|49.9|8.2|64.9|41.0||
||P4SMA39A|39A|P4SMA39CA|39C|37.1|41|1|33.3|1|53.9|7.6|70.1|38.0||
||P4SMA43A|43A|P4SMA43CA|43C|40.9|45.2|1|36.8|1|59.3|6.9|77.1|34.5||
||P4SMA47A|47A|P4SMA47CA|47C|44.7|49.4|1|40.2|1|64.8|6.3|84.2|31.5||
||P4SMA51A|51A|P4SMA51CA|51C|48.5|53.6|1|43.6|1|70.1|5.8|91.1|29.0||
||P4SMA56A|56A|P4SMA56CA|56C|53.2|58.8|1|47.8|1|77|5.3|100.1|26.5||
||P4SMA62A|62A|P4SMA62CA|62C|58.9|65.1|1|53|1|85|4.8|110.5|24.0||
||P4SMA68A|68A|P4SMA68CA|68C|64.6|71.4|1|58.1|1|92|4.5|119.6|22.5||
||P4SMA75A|75A|P4SMA75CA|75C|71.3|78.8|1|64.1|1|103|4|134|20||
||P4SMA82A|82A|P4SMA82CA|82C|77.9|86.1|1|70.1|1|113|3.6|146.9|18.0||
||P4SMA91A|91A|P4SMA91CA|91C|86.5|95.5|1|77.8|1|125|3.3|162.5|16.5||
||P4SMA100A|100A|P4SMA100CA|100C|95|105|1|85.5|1|137|3|178|15||
||P4SMA110A|110A|P4SMA110CA|110C|105|116|1|94|1|152|2.7|197.6|13.5||
||P4SMA120A|120A|P4SMA120CA|120C|114|126|1|102|1|165|2.5|214.5|12.5||
||P4SMA130A|130A|P4SMA130CA|130C|124|137|1|111|1|179|2.3|232.7|11.5||
||P4SMA150A|150A|P4SMA150CA|150C|143|158|1|128|1|207|2|269|10||
||P4SMA160A|160A|P4SMA160CA|160C|152|168|1|136|1|219|1.9|284.7|9.5||
||P4SMA170A|170A|P4SMA170CA|170C|162|179|1|145|1|234|1.8|304.2|9.0||
||P4SMA180A|180A|P4SMA180CA|180C|171|189|1|154|1|246|1.7|319.8|8.5||
||P4SMA200A|200A|P4SMA200CA|200C|190|210|1|171|1|274|1.5|356.2|7.5||
||P4SMA220A|220A|P4SMA220CA|220C|209|231|1|185|1|328|1.3|426.4|6.5||
||P4SMA250A|250A|P4SMA250CA|250C|237|263|1|214|1|344|1.2|447.2|6.0||
||P4SMA300A|300A|P4SMA300CA|300C|285|315|1|256|1|414|1|538|5||
||P4SMA350A|350A|P4SMA350CA|350C|332|368|1|300|1|482|0.9|626.6|4.3||
||P4SMA400A|400A|P4SMA400CA|400C|380|420|1|342|1|548|0.8|712.4|3.8||
||P4SMA440A|440A|P4SMA440CA|440C|418|462|1|376|1|602|0.7|782.6|3.4||
||P4SMA480A|480A|P4SMA480CA|480C|456|504|1|408|1|658|0.6|855.4|3.1||
||P4SMA510A|510A|P4SMA510CA|510C|485|535|1|434|1|698|0.6|907.4|2.9||
||P4SMA530A|530A|P4SMA530CA|530C|503.5|556.5|1|477|1|725|0.6|942.5|2.8||
||P4SMA540A|540A|P4SMA540CA|540C|513|567|1|486|1|740|0.5|962.0|2.7||
||P4SMA550A|550A|P4SMA550CA|550C|522.5|577.5|1|495|1|760|0.5|988.0|2.6||



Notes:  1. Suffix ‘A’ denotes a 5 % tolerance unidirectional device. 3.  For bidirectional devices with a VR of 10 volts or less, the IR limit is double. 2.  Suffix ‘CA’ denotes a 5 % tolerance bidirectional device. 

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **P4SMA Transient Voltage Suppressor Diode Series** 

## ~~**Rating & Characteristic Curves**~~ 

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Pulse Derating Curve<br>100<br>75<br>50<br>25<br>0<br>0 25 50 75 100 125 150 175 200<br>Ambient Temperature (°C)<br>Pulse Waveform<br>150<br>tr = 10  µsec. Pulse Width (td) is defined T J = 25  °   C<br>Peak Value as the point where the<br>100  I PPM peak current decays to50 % of IPPM<br>Half Value- I PPM<br>2<br>50 10/1000 µsec. Waveform<br>as defined by R.E.A.<br>t d<br>0 0 1.0 2.0 3.0 4.0<br>t - Time (ms)<br>Peak Power or Current<br>Peak Pulse Derating in Percent of<br>RSM<br>  - Peak Pulse Current, % I<br>IPPM<br>**----- End of picture text -----**<br>


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Pulse Rating Curve<br>  10<br>1.0<br>TA = 25 °C<br>Non-repetitive<br>Pulse Waveform<br>Shown in Pulse Waveform Graph<br>0.1<br>0.1 µs 1.0 µs 10 µs 100 µs 1.0 ms 10 ms<br>Td, Pulse Width (Seconds)<br>PPPM  - Peak Pulse Power (kW)<br>**----- End of picture text -----**<br>


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Maximum Non-Repetitive Surge Current<br>**----- End of picture text -----**<br>


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60<br>50<br>40<br>30<br>20<br>Pulse Width 8.3 ms<br>10 Single Half Sine-Wave<br>0<br>1 2 5 10 20 50 100<br>Number of Cycles at 60 Hz<br>Peak Forward Surge Current (Amps)<br>**----- End of picture text -----**<br>


## ~~**Typical Junction Capacitance**~~ 

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10000<br>Bidirectional V = 0 V<br>1000 Unidirectional V = 0 V<br>Unidirectional @VR<br>100<br>10<br>T J = 25 ° C<br>f = 1.0 MHz<br>Vsig = 50 mVp-p Bidirectional @VR<br>1<br>1 10 100 1000<br>VBR - Reverse Breakdown Voltage (V)<br>Steady State Power Derating Curve<br>1.0<br>0.8<br>0.6<br>0.4<br>0.2<br>60 Hz Resistive or<br>Inductive Load<br>0.0<br>0 25 50 75 100 125 150 175 200<br>TL, Lead Temperature (°C)<br> Junction  Capacitance (pF)<br> -<br>CJ<br>RM(AV) Steady State Power Dissipation (W)<br>**----- End of picture text -----**<br>


Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **P4SMA Transient Voltage Suppressor Diode Series** 

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Product Dimensions<br>A<br>B C<br>G<br>H F D<br>E<br>**----- End of picture text -----**<br>


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Dimension SMA (DO-214AC)<br>3.99 - 4.50<br>**----- End of picture text -----**<br>


|**Dimension**|**SMA (DO-214AC)**|**SMA (DO-214AC)**|
|---|---|---|
||3.99 - 4.50||
|A||(0.157-0.177)|
|B||2.54 - 2.79<br>(0.100-0.110)|
|C||1.25 - 1.65<br>(0.049-0.065)|
|D||0.15 - 0.31<br>(0.006-0.112)|
|E||4.93 - 5.28<br>(0.194-0.208)|
|F||0.203  MAX.<br>(0.008)|
|G||1.98 - 2.29<br>(0.078-0.090)|
|H||0.76-1.52<br>(0.030-0.060)|



## ~~**Recommended Footprint**~~ 

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A<br>B<br>C<br>**----- End of picture text -----**<br>


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Dimension SMA (DO-214AC)<br>2.70<br>**----- End of picture text -----**<br>


(0.106) 2.10 b (Min.) (0.083) 1.27 c (Min.) (0.050) MM DIMENSIONS: (INCHES) 

## ~~**Physical Specifications**~~ 

Case ............................................ Molded plastic per UL Class 94V-0 Polarity.........................Cathode band indicates unidirectional device No cathode band indicates bidirectional device 

## ~~**Environmental Specifications**~~ 

Moisture Sensitivity Level ................................................................. 1 ESD Classification (HBM)...............................................................3B 

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MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **P4SMA Transient Voltage Suppressor Diode Series** 

## ~~**Packaging Information**~~ 

The product will be dispensed in tape and reel format (see diagram below). 

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**----- Start of picture text -----**<br>
P0<br>P1 E T<br>d Index Hole<br>120 °<br>F D2<br>W<br>B<br>D1 D<br>P A<br>C<br>Unidirectional<br>Trailer Product Device Leader<br>Orientation<br>....... ....... ....... ....... W1<br>End ....... ....... ....... ....... Start<br>MM<br>DIMENSIONS:<br>10 pitches (min.) 10 pitches (min.) (INCHES)<br>Devices are packed in accordance with EIA 481<br>Direction of Feed standard specifications shown here.<br>**----- End of picture text -----**<br>


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Item Symbol SMA (DO-214AC)<br>7 Inch Reel 13 Inch Reel<br>2.90 ± 0.20<br>**----- End of picture text -----**<br>


|**Item**|**Symbol**|**SMA(DO-214AC)**|**SMA(DO-214AC)**|**SMA(DO-214AC)**|**SMA(DO-214AC)**|**SMA(DO-214AC)**|**SMA(DO-214AC)**|
|---|---|---|---|---|---|---|---|
|||**7 Inch Reel**|||||**13 Inch Reel**|
|||2.90 ± 0.20||||||
|Carrier Width|A|||(0.114 ± 0.008)||||
|Carrier Length|B|||5.50 ± 0.20<br> (0.217 ± 0.008)||||
|Carrier Depth|C|||2.26±0.20<br> (0.089 ± 0.008)||||
|Sprocket Hole|d|||1.50 ± 0.10<br> (0.061 ± 0.004)||||
|Reel Outside Diameter|D||178<br>(7.008)||||330<br> (12.992)|
|Reel Inner Diameter|D1|||||50.0<br> (1.969) MIN.||
|Feed Hole Diameter|D2|||13.0 ± 0.20<br> (0.512 ±0.008)||||
|Sprocket Hole Position|E|||1.75 ± 0.10<br> (0.069±0.004)||||
|Punch Hole Position|F|||5.50 ± 0.05<br> (0.217 ±0.002)||||
|Punch Hole Pitch|P|||4.00 ± 0.10<br> (0.157 ±0.004)||||
|Sprocket Hole Pitch|P0|||4.00 ± 0.10<br> (0.157 ±0.004)||||
|Embossment Center|P1|||2.00 ± 0.05<br> (0.079±0.002)||||
|Overall Tape Thickness|T|||0.30±0.10<br> (0.012 ±0.004)||||
|Tape Width|W|||12.00 ± 0.30<br> (0.472 ±0.012)||||
|Reel Width|W1||||18.4<br> (0.724) MAX.|||
|Quantity per Reel|--||1000||||5,000|



REV. 03/20 

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

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Updated at June 8, 2026

Bourns, Inc. is a globally recognized manufacturer of high-reliability electronic components, headquartered in Riverside, California. Renowned for its engineering excellence, the company delivers critical solutions across a diverse range of demanding markets, including automotive, industrial, consumer electronics, telecommunications, and medical equipment. The Bourns product portfolio is anchored by an industry-leading selection of passive components and circuit protection devices. The brand is particularly dominant in magnetic components, offering thousands of high-performance power inductors, alongside specialized RF and toroidal inductors engineered for optimized power management and signal integrity. Equally prominent is their comprehensive suite of circuit protection solutions. This robust lineup features a vast array of standard and resettable fuses, transient voltage suppressors (including TVS varistors and diodes), and gas discharge tubes (GDTs) designed to rigorously safeguard sensitive electronics against overvoltage and overcurrent faults. Beyond its core passives and protection technologies, Bourns manufactures highly effective EMC and RFI suppression components, such as common mode chokes and power line filters. The company's offering also extends into discrete semiconductors and power management, including Schottky diodes, fast recovery rectifiers, bridge rectifiers, and board-level transformers. This expansive breadth of quality components provides design engineers with a trusted foundation for developing resilient, efficient, and long-lasting electronic systems.

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