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P6SMB39A
TVS Diode, P6SMB Series, Unidirectional, 39 V, 70.1 V, DO-214AA (SMB), 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: Unidirectional
- Product Range: P6SMB Series
- Qualification: -
- Diode Mounting: Surface Mount
- Diode Case Style: DO-214AA (SMB)
- Clamping Voltage Max: 70.1V
- Reverse Standoff Voltage: 39V
- Maximum Breakdown Voltage: 41V
- Minimum Breakdown Voltage: 37.1V
- Operating Temperature Max: 150°C
- Peak Pulse Power Dissipation: 600W
| Delivery and price | |
|---|---|
| Units per pack | 1000 |
| Price | 0.089 € |
| Current stock | 1000+ |
| Lead time | 30 days |
Datasheet
**TVS Diodes** Surface Mount – 600W > P6SMB series ~~RoHS Pb~~ ~~**e3** | WO O~~ P6SMB Series **==> picture [244 x 177] intentionally omitted <==** **----- Start of picture text -----**<br> Uni-directional<br>Bi-directional<br>wy<br>Agency Approvals<br>Lo<br>AGENCY AGENCY FILE NUMBER<br>**----- End of picture text -----**<br> AGENCY AGENCY FILE NUMBER E230531 ~~ew~~ **Maximum Ratings and Thermal Characteristics (TA=25[O] C unless otherwise noted)** |Parameter<br>Peak Pulse Power Dissipation at<br>TA=25ºC by 10/1000µs Waveform<br>(Fig.2)(Note 1), (Note 2), (Note 5)<br>Power Dissipation on Infinite Heat<br>Sink at TL=50OC<br>Peak Forward Surge Current, 8.3ms<br>Single Half Sine Wave (Note 3)<br>Maximum Instantaneous Forward|Symbol<br>PPPM<br>PD<br>Peak Forward Surge Current, 8.3ms<br>IFSM|Value<br>600<br>5.0<br>100|Unit<br>W<br>W<br>A| |---|---|---|---| |Voltage at 50A for Unidirectional<br>Only (Note4)<br>Operating Temperature Range|VF<br>TJ|3.5/5.0<br>-65 to 150|V<br>°C| |Storage Temperature Range|TSTG|-65 to 175|°C| |Typical Thermal Resistance Junction<br>to Lead|Typical Thermal Resistance Junction<br>RθJL|20|°C/W| |Typical Thermal Resistance Junction<br>to Ambient|Typical Thermal Resistance Junction<br>RθJA|100|°C/W| ## **Notes:** 1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25[O] C per Fig. 3. **Description** The P6SMB series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. ~~OO~~ ## **Features** ~~a~~ - Excellent clamping • 600W peak pulse power capability capability at 10/1000μs - • Low incremental surge waveform, repetition rate resistance (duty cycles):0.01% - Typical IR less than 1μA • High temperature when VBR min>12V to reflow soldering guaranteed: 260°C/40sec - For surface mounted applications to optimize • VBR @ TJ= VBR@25°C board space x (1+αT x (TJ - 25)) - • Low profile package (αT:Temperature Coefficient, typical value is - • Typical failure mode is 0.1%) - short from over-specified • Plastic package is - voltage or current flammability rated V-0 per - • Whisker test is conducted Underwriters Laboratories - based on JEDEC - Meet MSL level1, per - JESD201A per its table 4a J-STD-020C, LF maximun - and 4c peak of 260°C - IEC-61000-4-2 ESD • Matte tin lead–free plated - 30kV(Air), 30kV (Contact) - Halogen free and RoHS - • ESD protection of data lines in accordance with compliant IEC 61000-4-2 • Pb-free E3 means 2nd - • EFT protection of data level interconnect is lines in accordance with Pb-free and the terminal IEC 61000-4-4 finish material is tin(Sn) (IPC/JEDEC J-STD- - • Built-in strain relief 609A.01) - Fast response time: typically less than 1.0ps from 0V to BV min 2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. 4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. ® 5. The PPPM of stacked-die parts is 800W and please contact littelfuse for the detail **==> picture [505 x 128] intentionally omitted <==** **----- Start of picture text -----**<br> stacked-die parts.<br>Applications<br>Functional Diagram<br>a [Po<br>TVS devices are ideal for the protection of I/O Interfaces,<br>VCC bus and other vulnerable circuits used in Telecom,<br>O— P o Computer, Industrial and Consumer electronic applications.<br>Bi-directional<br>Cathode Anode<br>O—— qd 0<br>Uni-directional<br>**----- End of picture text -----**<br> ©2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/13/16 Surface Mount – 600W > P6SMB series **==> picture [93 x 32] intentionally omitted <==** ## **TVS Diodes** ## **Electrical Characteristics (TA=25°C unless otherwise noted)** **==> picture [507 x 568] intentionally omitted <==** **----- Start of picture text -----**<br> Breakdown Test Maximum Maximum Maximum<br>Reverse Agency<br>Part Part Marking Stand off Voltage VBR Current Clamping Peak Reverse Approval<br>Number (Uni) Number (Bi) Voltage V(Volts) R (Volts) @ IT IT Voltage V@ Ipp C Current IPulse pp Leakage I@ VR R<br>UNI BI MIN MAX (mA) (V) (A) (µA)<br>P6SMB6.8A P6SMB6.8CA 6V8A 6V8C 5.80 6.45 7.14 10 10.5 58.1 1000 X<br>P6SMB7.5A P6SMB7.5CA 7V5A 7V5C 6.40 7.13 7.88 10 11.3 54.0 500 X<br>P6SMB8.2A P6SMB8.2CA 8V2A 8V2C 7.02 7.79 8.61 10 12.1 50.4 200 X<br>P6SMB9.1A P6SMB9.1CA 9V1A 9V1C 7.78 8.65 9.55 1 13.4 45.5 50 X<br>P6SMB10A P6SMB10CA 10A 10C 8.55 9.50 10.50 1 14.5 42.1 10 X<br>P6SMB11A P6SMB11CA 11A 11C 9.40 10.50 11.60 1 15.6 39.1 5 X<br>P6SMB12A P6SMB12CA 12A 12C 10.20 11.40 12.60 1 16.7 36.5 5 X<br>P6SMB13A P6SMB13CA 13A 13C 11.10 12.40 13.70 1 18.2 33.5 1 X<br>P6SMB15A P6SMB15CA 15A 15C 12.80 14.30 15.80 1 21.2 28.8 1 X<br>P6SMB16A P6SMB16CA 16A 16C 13.60 15.20 16.80 1 22.5 27.1 1 X<br>P6SMB18A P6SMB18CA 18A 18C 15.30 17.10 18.90 1 25.5 24.2 1 X<br>P6SMB20A P6SMB20CA 20A 20C 17.10 19.00 21.00 1 27.7 22.0 1 X<br>P6SMB22A P6SMB22CA 22A 22C 18.80 20.90 23.10 1 30.6 19.9 1 X<br>P6SMB24A P6SMB24CA 24A 24C 20.50 22.80 25.20 1 33.2 18.4 1 X<br>P6SMB27A P6SMB27CA 27A 27C 23.10 25.70 28.40 1 37.5 16.3 1 X<br>P6SMB30A P6SMB30CA 30A 30C 25.60 28.50 31.50 1 41.4 14.7 1 X<br>P6SMB33A P6SMB33CA 33A 33C 28.20 31.40 34.70 1 45.7 13.3 1 X<br>P6SMB36A P6SMB36CA 36A 36C 30.80 34.20 37.80 1 49.9 12.2 1 X<br>P6SMB39A P6SMB39CA 39A 39C 33.30 37.10 41.00 1 53.9 11.3 1 X<br>P6SMB43A P6SMB43CA 43A 43C 36.80 40.90 45.20 1 59.3 10.3 1 X<br>P6SMB47A P6SMB47CA 47A 47C 40.20 44.70 49.40 1 64.8 9.4 1 X<br>P6SMB51A P6SMB51CA 51A 51C 43.60 48.50 53.60 1 70.1 8.7 1 X<br>P6SMB56A P6SMB56CA 56A 56C 47.80 53.20 58.80 1 77.0 7.9 1 X<br>P6SMB58A P6SMB58CA 58A 58C 52.78 55.10 60.90 1 79.8 7.7 1 X<br>P6SMB62A P6SMB62CA 62A 62C 53.00 58.90 65.10 1 85.0 7.2 1 X<br>P6SMB68A P6SMB68CA 68A 68C 58.10 64.60 71.40 1 92.0 6.6 1 X<br>P6SMB75A P6SMB75CA 75A 75C 64.10 71.30 78.80 1 103.0 5.9 1 X<br>P6SMB82A P6SMB82CA 82A 82C 70.10 77.90 86.10 1 113.0 5.4 1 X<br>P6SMB91A P6SMB91CA 91A 91C 77.80 86.50 95.50 1 125.0 4.9 1 X<br>P6SMB100A P6SMB100CA 100A 100C 85.50 95.00 105.00 1 137.0 4.5 1 X<br>P6SMB110A P6SMB110CA 110A 110C 94.00 105.00 116.00 1 152.0 4.0 1 X<br>P6SMB120A P6SMB120CA 120A 120C 102.00 114.00 126.00 1 165.0 3.7 1 X<br>P6SMB130A P6SMB130CA 130A 130C 111.00 124.00 137.00 1 179.0 3.4 1 X<br>P6SMB150A P6SMB150CA 150A 150C 128.00 143.00 158.00 1 207.0 2.9 1 X<br>P6SMB160A P6SMB160CA 160A 160C 136.00 152.00 168.00 1 219.0 2.8 1 X<br>P6SMB170A P6SMB170CA 170A 170C 145.00 162.00 179.00 1 234.0 2.6 1 X<br>P6SMB180A P6SMB180CA 180A 180C 154.00 171.00 189.00 1 246.0 2.5 1 X<br>P6SMB200A P6SMB200CA 200A 200C 171.00 190.00 210.00 1 274.0 2.2 1 X<br>P6SMB220A P6SMB220CA 220A 220C 185.00 209.00 231.00 1 328.0 1.9 1 X<br>P6SMB250A P6SMB250CA 250A 250C 214.00 237.00 263.00 1 344.0 1.8 1 X<br>P6SMB300A P6SMB300CA 300A 300C 256.00 285.00 315.00 1 414.0 1.5 1 X<br>P6SMB350A P6SMB350CA 350A 350C 300.00 332.00 368.00 1 482.0 1.3 1<br>P6SMB400A P6SMB400CA 400A 400C 342.00 380.00 420.00 1 548.0 1.1 1<br>P6SMB440A P6SMB440CA 440A 440C 376.00 418.00 462.00 1 602.0 1.0 1<br>P6SMB480A P6SMB480CA 480A 480C 408.00 456.00 504.00 1 658.0 0.9 1<br>P6SMB510A P6SMB510CA 510A 510C 434.00 485.00 535.00 1 698.0 0.9 1<br>P6SMB530A P6SMB530CA 530A 530C 451.00 503.50 556.50 1 725.0 0.8 1<br>P6SMB540A P6SMB540CA 540A 540C 460.00 513.00 567.00 1 740.0 0.8 1<br>P6SMB550A P6SMB550CA 550A 550C 468.00 522.50 577.50 1 760.0 0.8 1<br>**----- End of picture text -----**<br> For bidirectional type having VR of 10 volts and less, the IR limit is double. For parts without A VBR is ± 10% and VC is 5% higher than with A parts. ©2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/13/16 **TVS Diodes** Surface Mount – 600W > P6SMB series **==> picture [93 x 32] intentionally omitted <==** ## **I-V Curve Characteristics** **==> picture [243 x 171] intentionally omitted <==** **----- Start of picture text -----**<br> Uni-directional<br>Vc VBR VR V<br>IR VF<br>IT<br>Ipp<br>**----- End of picture text -----**<br> **==> picture [244 x 171] intentionally omitted <==** **----- Start of picture text -----**<br> Bi-directional<br>Ipp<br>IT<br>Vc VBR VR IR V<br>IR VRVBR Vc<br>IT<br>Ipp<br>**----- End of picture text -----**<br> - **PPPM Peak Pulse Power Dissipation** -- Max power dissipation - **VR Stand-off Voltage** -- Maximum voltage that can be applied to the TVS without operation - **VBR Breakdown Voltage** -- Maximum voltage that flows though the TVS at a specified test current (IT) - **VC Clamping Voltage** -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current) - **IR Reverse Leakage Current** -- Current measured at VR - **VF Forward Voltage Drop for Uni-directional** ## **Ratings and Characteristic Curves (TA=25°C unless otherwise noted)** **==> picture [244 x 198] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 1 - TVS Transients Clamping Waveform<br>Voltage Transients<br>Voltage Across TVS<br>Current Through TVS<br>Time<br>Voltage or Current<br>**----- End of picture text -----**<br> **==> picture [244 x 19] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 2 - Peak Pulse Power Rating<br>**----- End of picture text -----**<br> **==> picture [245 x 171] intentionally omitted <==** **----- Start of picture text -----**<br> 100<br>TJ initial = Tamb<br>10 stacked-die, 800W<br>at 10x1000µs, 25°C<br>1 Single die,600W<br>at 10x1000µs, 25°C<br>0.1<br>0.001 0.01 0.1 1 10<br>td-Pulse Width (ms)<br>-Peak Pulse Power (kW)<br>PPM<br>P<br>**----- End of picture text -----**<br> **continues on next page.** ©2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/13/16 **TVS Diodes** Surface Mount – 600W > P6SMB series **==> picture [93 x 32] intentionally omitted <==** **==> picture [505 x 428] intentionally omitted <==** **----- Start of picture text -----**<br> Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)<br>Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform<br>100 150<br>tr=10µsec TJ=25°C<br>Pulse Width(td) is defined<br>80 as the point where the peak<br>Peak Value current decays to 50% of IPPM<br>100 IPPM<br>60<br>Half Value<br>40 IPPM ( ) IPPM2<br>50 10/1000µsec. Waveform<br>as defined by R.E.A<br>20<br>0 td<br>0<br>0 25 50 75 100 125 150 175 0 1.0 2.0 3.0 4.0<br>TJ - Initial Junction Temperature (ºC) t-Time (ms)<br>Figure 5 - Typical Junction Capacitance Figure 6 - Typical Transient Thermal Impedance<br>100000<br>1000<br>Uni-direc�onal V=0V<br>10000<br>Bi-direc�onal V=0V 100<br>1000<br>10<br>100<br>Uni-direc�onal<br>Bi-direc�onal<br>1<br>10 V=VR<br>0.1<br>1 0.001 0.01 0.1 1 10 100 1000<br>1 10 100 1000<br>VBR - Reverse Breakdown Voltage (V) T - Pulse Duration (s)PP<br>)PP<br>) or Current (I RSM<br>PP<br>Derating in Percentage % - Peak Pulse Current, % I<br>IPPM<br>Peak Pulse Power (P<br>Cj (pF)<br>Transient Thermal Impedance (°C/W)<br>**----- End of picture text -----**<br> **==> picture [244 x 204] intentionally omitted <==** **----- Start of picture text -----**<br> 1000<br>100<br>10<br>1<br>0.1<br>0.001 0.01 0.1 1 10 100 1000<br>T - Pulse Duration (s)PP<br>Figure 8 - Peak Forward Voltage Drop vs Peak Forward<br>Current (Typical Values)<br>Transient Thermal Impedance (°C/W)<br>**----- End of picture text -----**<br> **==> picture [244 x 203] intentionally omitted <==** **----- Start of picture text -----**<br> Figure 7 - Maximum Non-Repetitive Peak Forward<br>Surge Current Uni-Directional Only<br>120<br>100<br>80<br>60<br>40<br>20<br>0<br>1 10 100<br>Number of Cycles at 60 Hz<br> - Peak Forward Surge Current (A)<br>IFSM<br>**----- End of picture text -----**<br> **==> picture [244 x 171] intentionally omitted <==** **----- Start of picture text -----**<br> 100.0<br>Single die<br>10.0 Stacked-die<br>1.0<br>0.1<br>0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0<br>V F - Peak Forward Voltage(V)<br> Peak Forward Current(A)I -F<br>**----- End of picture text -----**<br> ©2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/13/16 **TVS Diodes** Surface Mount – 600W > P6SMB series **==> picture [93 x 32] intentionally omitted <==** ## **Soldering Parameters** |Refow Condition|Lead–free assembly| |---|---| |Pre Heat<br>- Temperature Min (Ts(min))<br>- Temperature Max (Ts(max))<br>- Time (min to max) (ts)<br>Average ramp up rate (Liquidus Temp (TA)<br>to peak|150°C<br>200°C<br>60 – 180 secs<br>3°C/second max| |TS(max)to TA- Ramp-up Rate|3°C/second max| |Refow<br>- Temperature (TA) (Liquidus)<br>- Time (min to max) (ts)|217°C<br>60 – 150 seconds| |Peak Temperature (TP)|260+0/-5°C| |Time within 5°C of actual peak<br>Temperature (tp)|20 – 40 seconds| |Ramp-down Rate|6°C/second max| |Time 25°C to peak Temperature (TP)|8 minutes Max.| |Do not exceed|260°C| |**Physical Specifcations**|| |**Weight**<br>0.003 ounce, 0.093|grams| |**Case**<br>JEDEC DO214AA. Molded plastic body<br>over glass passivated junction|| |**Polarity**<br>Color band denotes cathode except<br>Bidirectional.|| |**Terminal**<br>Matte Tin-plated leads, Solderable per<br>JESD22-B102|| **==> picture [243 x 150] intentionally omitted <==** **----- Start of picture text -----**<br> TP tp<br>Ramp-up Critical Zone<br>TL t L TL to TP<br>Ts(max)<br>Ramp-down<br>Ts(min)<br>Preheat t s<br>25˚C<br>t 25˚C to Peak<br>Time (t)<br>Temperature (T)<br>**----- End of picture text -----**<br> ## **Environmental Specifications** |**High Temp. Storage**|JESD22-A103| |---|---| |**HTRB**|JESD22-A108| |**Temperature Cycling**|JESD22-A104| |**MSL**|JEDEC-J-STD-020, Level 1| |**H3TRB**|JESD22-A101| |**RSH**|JESD22-A111| ## **Dimensions** ## **DO-214AA (SMB J-Bend)** **==> picture [172 x 212] intentionally omitted <==** **----- Start of picture text -----**<br> Cathode Band<br>(for Uni-directional products only)<br>A C<br>B<br>H<br>D<br>F<br>E<br>G<br>J K L<br>I<br>**----- End of picture text -----**<br> **==> picture [246 x 200] intentionally omitted <==** **----- Start of picture text -----**<br> Inches Millimeters<br>Dimensions<br>Min Max Min Max<br>A 0.076 0.086 1.930 2.200<br>B 0.160 0.187 4.060 4.750<br>C 0.130 0.155 3.300 3.940<br>D 0.078 0.103 1.990 2.610<br>E 0.030 0.060 0.760 1.520<br>F - 0.008 - 0.203<br>G 0.205 0.220 5.210 5.590<br>H 0.006 0.012 0.152 0.305<br>I 0.089 - 2.260 -<br>J 0.085 - 2.160 -<br>K - 0.107 - 2.740<br>L 0.085 - 2.160 -<br>**----- End of picture text -----**<br> ©2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/13/16 **TVS Diodes** Surface Mount – 600W > P6SMB series **==> picture [93 x 32] intentionally omitted <==** ## **Part Numbering System** **==> picture [243 x 19] intentionally omitted <==** **----- Start of picture text -----**<br> Part Marking System<br>**----- End of picture text -----**<br> **==> picture [505 x 219] intentionally omitted <==** **----- Start of picture text -----**<br> P6SMB XXX C A<br>Cathode Band<br>(for Uni-directional products only)<br>5% VBR VOLTAGE TOLERANCE Littelfuse Logo<br>BI-DIRECTIONAL<br>VBR VOLTAGE<br>SERIES XX Marking Code<br>YMXXX<br>Trace Code Marking<br> Y:Year Code<br> M: Month Code<br> XXX: Lot Code<br>Packaging<br>Component Packaging Packaging<br>Part number Quantity<br>Package Option Specification<br>P6SMBxxxXX DO-214AA 3000 Tape & Reel - 12mm tape/13” reel EIA STD RS-481<br>F<br>**----- End of picture text -----**<br> ## **Tape and Reel Specification** **==> picture [493 x 162] intentionally omitted <==** **----- Start of picture text -----**<br> 0.157<br>(4.0)<br>0.47 Cathode<br>(12.0)<br>0.315 0.059 DIA Cover tape<br>(8.0) (1.5)<br>13.0 (330)<br>Dimensions are in inches<br>0.80 (20.2) (and millimeters).<br>Arbor Hole Dia.<br>Direction of Feed<br>0.49<br>(12.5)<br>**----- End of picture text -----**<br> ©2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 04/13/16
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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