Vishay General Semiconductor - Diodes Division P6SMB36AHE3_B/H
- Part No.:
- P6SMB36AHE3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB36AHE3_B/H.pdf
- Description:
- 600W,36V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
P6SMB36AHE3_B/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features a 36 V breakdown voltage (VBR = 34.2–37.8 V at IT = 1.0 mA), 30.8 V stand-off voltage (VWM), 49.9 V maximum clamping voltage (VC) at 12.0 A peak pulse current, and 600 W peak pulse power rating with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in automotive and industrial power supplies.
For engineers reviewing the P6SMB36AHE3_B/H datasheet, P6SMB36AHE3_B/H pinout, P6SMB36AHE3_B/H application, or P6SMB36AHE3_B/H equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification (HE3 suffix), 150 °C max junction temperature, low incremental surge resistance, and compatibility with automated SMT placement on standard PCB copper pads.
Technical Context
This TVS diode operates as a voltage-clamping protection device that conducts above its reverse stand-off voltage (30.8 V) to divert transient energy away from sensitive downstream components. Its glass-passivated junction ensures stable breakdown behavior and fast response time (<1 ns), while the SMB package provides robust thermal dissipation (RθJA = 100 °C/W) under repetitive surge conditions.
The device is rated for 100 A non-repetitive forward surge current (IFSM) and supports 0.01 % duty cycle operation with 10/1000 μs waveform. It meets J-STD-020 MSL Level 1, has matte tin-plated leads solderable per J-STD-002, and is qualified to AEC-Q101 for automotive applications - confirmed by the "HE3" and "_B/H" suffixes indicating RoHS-compliant, AEC-Q101-qualified, 7" tape-and-reel packaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 34.2–37.8 V at 1.0 mA test current - defines precise conduction onset for overvoltage protection |
| Stand-off Voltage VWM | 30.8 V - maximum continuous reverse voltage before leakage exceeds 1.0 μA |
| Clamping Voltage VC | 49.9 V at 12.0 A peak pulse - limits voltage seen by protected circuit during 10/1000 μs surge |
| Peak Pulse Power PPPM | 600 W - sustains transient energy without failure under standardized 10/1000 μs waveform |
| Junction Temperature Range | −65 °C to +150 °C - enables operation in under-hood automotive and industrial environments |
| AEC-Q101 Qualified | Yes - validated for automotive reliability including temperature cycling, HTRB, and ESD testing |
| Package | SMB (DO-214AA) - surface-mount outline with 0.220" × 0.130" footprint, compatible with IPC-7351B standards |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case with matte tin-plated leads; cathode indicated by band marking on unidirectional devices; compliant with UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / reverse voltage reference | Connected to lower-potential side of protected line; defines unidirectional conduction path |
| Cathode | Reverse-biased terminal / clamping output | Banded end; connected to higher-potential rail (e.g., VCC or signal line); sinks surge current to ground |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against ISO 7637-2 pulse 1, 2a, 3a/b, and IEC 61000-4-5 surges |
| Glass passivated chip junction | Ensures stable VBR tolerance and long-term reliability under thermal cycling and humidity stress |
| AEC-Q101 qualification (HE3_B/H) | Validates suitability for automotive powertrain, body control, and ADAS modules requiring zero-failure field performance |
| Low profile SMB package | Reduces board space vs. SMA/SMB alternatives while maintaining thermal performance via 5.0 mm × 5.0 mm copper pads |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and reflow without baking - simplifies SMT manufacturing flow |
Applications
| Automotive Power Supply Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V/24 V DC power rails in engine control units (ECUs) and lighting modules from load dump and inductive switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBAT and ground to clamp spikes up to 100 V within nanoseconds. Use Value: Prevents latch-up or permanent damage to microcontrollers and CAN transceivers during ISO 16750-2 load dump events. |
Use Scenario: Safeguarding analog outputs (e.g., 4–20 mA current loops) and digital I/O lines of pressure/temperature sensors in factory automation systems. IC Role / Device Role / Timing Role: Clamping transient voltages induced by relay switching or ESD events on sensor signal paths. Use Value: Maintains signal integrity and prevents false readings or system resets caused by sub-100 ns ESD pulses. |
| Telecom Line Card Surge Protection | Consumer Power Adapter Input Stage |
|
Use Scenario: Front-end protection of AC/DC converter inputs in telecom base station power supplies exposed to lightning-induced surges. IC Role / Device Role / Timing Role: First-stage TVS on rectified DC bus to absorb high-energy transients before they reach bulk capacitors and controllers. Use Value: Extends system MTBF by limiting voltage stress on primary-side MOSFETs and PWM controllers during IEC 61000-4-5 4 kV tests. |
Use Scenario: Secondary-side overvoltage suppression in USB-C PD adapters and wall chargers to meet UL 62368-1 surge requirements. IC Role / Device Role / Timing Role: Parallel-connected TVS across regulated 5 V/9 V/15 V outputs to suppress coupling from primary-side transients or cable discharge. Use Value: Ensures safe operation of connected mobile devices during conducted surge events without compromising efficiency or thermal design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A-E3/52 (Vishay) | Same VBR/VC specs but SMA package (DO-214AC); 10% smaller footprint, 20% lower PPPM (400 W) | Limited to lower-energy transients; not AEC-Q101 qualified | Select when board space is constrained and automotive qualification is unnecessary |
| 1.5SMC36A (ON Semiconductor) | Identical electrical specs and SMB package; same 600 W PPPM and 49.9 V VC; RoHS-compliant but no AEC-Q101 variant | Not certified for automotive use; lacks HE3 suffix and _B/H traceability | Choose for cost-sensitive industrial designs where AEC-Q101 is not mandated |
Compared with SMAJ36A-E3/52 and 1.5SMC36A, P6SMB36AHE3_B/H uniquely combines full AEC-Q101 qualification, 600 W surge capability in SMB, and traceable 7" tape-and-reel delivery - making it the preferred choice for automotive Tier-1 production and mission-critical industrial BOMs.
Availability
P6SMB36AHE3_B/H is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor nodes, telecom power supplies, and consumer adapter designs requiring stable component supply, AEC-Q101 compliance, and repeatable surge performance.
Supply support for P6SMB36AHE3_B/H includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The P6SMB Series is engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where consistent clamping behavior and long-term stability under thermal stress are critical.
FAQ
What does the "_B/H" suffix mean in P6SMB36AHE3_B/H?
The "_B/H" suffix in P6SMB36AHE3_B/H indicates AEC-Q101 qualification level "B" and 7-inch diameter plastic tape-and-reel packaging (H). This confirms the device meets automotive-grade reliability testing per AEC-Q101 Rev D and ships in industry-standard 750-unit reels compatible with high-speed pick-and-place equipment. The "HE3" portion denotes RoHS-compliant, halogen-free construction.
Is P6SMB36AHE3_B/H bidirectional or unidirectional?
P6SMB36AHE3_B/H is a unidirectional TVS diode, as confirmed by its part number ending in "A" (not "CA") and specification table listing only unidirectional parameters: VBR min/max, VWM, and IFSM. Its cathode is marked with a band, and it conducts only when anode-to-cathode voltage exceeds VBR - making it suitable for DC rail protection where polarity is fixed.
What is the maximum clamping voltage of P6SMB36AHE3_B/H at rated peak pulse current?
The maximum clamping voltage (VC) of P6SMB36AHE3_B/H is 49.9 V at 12.0 A peak pulse current (IPPM) under the standard 10/1000 μs waveform. This value is measured per Figure 1 in the datasheet and defines the upper voltage limit imposed on protected circuits during worst-case surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Can P6SMB36AHE3_B/H replace P6SMB36A-E3/52 in existing designs?
Yes, P6SMB36AHE3_B/H is a direct functional and mechanical replacement for P6SMB36A-E3/52, sharing identical electrical characteristics, SMB package dimensions, and pinout. The key upgrade is AEC-Q101 qualification and enhanced traceability via the "_B/H" suffix - no PCB layout or schematic changes are required, though automotive programs must verify qualification documentation for PPAP submission.
What thermal derating applies to P6SMB36AHE3_B/H above 25 °C ambient?
P6SMB36AHE3_B/H follows standard thermal derating: peak pulse power decreases linearly above 25 °C ambient, with full 600 W rating only at TA ≤ 25 °C. Per Figure 2 in the datasheet, power capability drops to ~480 W at 50 °C and ~300 W at 100 °C ambient - design margins must account for this when sizing copper pads or estimating junction temperature rise during repetitive surge events.
P6SMB36AHE3_B/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 30.8V
- Voltage - Breakdown (Min):
- 34.2V
- Voltage - Clamping (Max) @ Ipp:
- 49.9V
- Current - Peak Pulse (10/1000µs):
- 12A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB36AHE3_B/H FAQ
1.How can I place an order for P6SMB36AHE3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB36AHE3_B/H on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for P6SMB36AHE3_B/H reliable?
The price and inventory of P6SMB36AHE3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB36AHE3_B/H is usually 5 days.
3.What payment methods are accepted for P6SMB36AHE3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB36AHE3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB36AHE3_B/H?
P6SMB36AHE3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB36AHE3_B/H order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for P6SMB36AHE3_B/H?
For technical support, including P6SMB36AHE3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB36AHE3_B/H requirements.
6.How does Aetrix verify that P6SMB36AHE3_B/H is sourced from the original manufacturer or authorized distributors?
All P6SMB36AHE3_B/H products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that P6SMB36AHE3_B/H meets industry standards.
7.What is the process for return or replacement of P6SMB36AHE3_B/H?
All P6SMB36AHE3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB36AHE3_B/H, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The P6SMB36AHE3_B/H part is unused and in its original packaging.
Return procedure for P6SMB36AHE3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB36AHE3_B/H Tags

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