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Vishay General Semiconductor - Diodes Division P6SMB12AHM3_A/H
- Part No.:
- P6SMB12AHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB12AHM3_A/H.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,806
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Product details
Overview
P6SMB12AHM3_A/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, rated for 12 V breakdown voltage (VBR = 11.4–12.6 V at 1 mA), 16.7 V maximum clamping voltage at 35.9 A peak pulse current, and 600 W peak pulse power with 10/1000 µs waveform - deployed for overvoltage protection of MOSFETs, ICs, and sensor signal lines in industrial and automotive electronics.
For engineers reviewing the P6SMB12AHM3_A/H datasheet, P6SMB12AHM3_A/H pinout, P6SMB12AHM3_A/H application, or P6SMB12AHM3_A/H equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), clamping performance under surge conditions, and halogen-free RoHS-compliant construction per JESD201 Class 2 whisker test.
Technical Context
The P6SMB12AHM3_A/H operates as a unidirectional avalanche diode, leveraging glass-passivated junction technology to achieve fast response time (<1 ns) and low incremental surge resistance. Its 12 V nominal standoff voltage (VWM = 10.2 V) and 16.7 V clamping voltage at 35.9 A ensure robust protection against ESD and inductive switching transients without forward conduction during normal operation.
Designed for surface-mount assembly on 5.0 mm × 5.0 mm copper pads, it meets MSL Level 1 per J-STD-020 (peak reflow 260 °C) and supports repetitive surge duty cycle ≤0.01 %. The HM3 suffix confirms halogen-free, RoHS-compliant, and AEC-Q101 qualified construction for automotive-grade reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.4 V / 12.6 V at 1 mA - defines precise avalanche initiation threshold for predictable clamping onset |
| VWM | 10.2 V - maximum continuous reverse operating voltage before leakage exceeds 5 µA |
| VC @ IPPM | 16.7 V at 35.9 A - clamping voltage during 600 W 10/1000 µs transient, limiting downstream stress |
| PPPM | 600 W - peak pulse power handling capability under standardized surge waveform |
| RθJA | 100 °C/W - thermal resistance from junction to ambient, critical for derating above 25 °C |
| TJ max | +150 °C - maximum junction temperature enabling operation in under-hood automotive environments |
| AEC-Q101 | Qualified - validated for automotive electronic systems per stress test requirements |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD22-B102. Cathode indicated by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / reverse voltage reference | Connected to system ground or low-side return path; defines polarity-sensitive placement |
| Cathode | Avalanche conduction terminal | Banded end; connects to protected line (e.g., I/O, power rail) to shunt transients to ground |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables single-device protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) on 12 V rails |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive powertrain, body control, and ADAS modules requiring long-term reliability |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and JESD201 Class 2 whisker resistance for high-reliability solder joints |
| Low RθJA = 100 °C/W | Supports sustained 5.0 W power dissipation at 50 °C ambient with standard PCB copper pad layout |
| Glass-passivated junction | Ensures stable VBR tolerance (±5 %) and low leakage (<5 µA at VWM) over temperature and lifetime |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting 12 V CAN/LIN bus interface pins from load-dump and jump-start transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed between signal line and chassis ground to limit voltage excursion below IC absolute maximum rating. Use Value: Clamps 35.9 A surge to 16.7 V, preventing latch-up or gate oxide damage in transceiver ICs while maintaining signal integrity. |
Use Scenario: Safeguarding 24 V digital input channels against inductive kickback from solenoid/relay coils. IC Role / Device Role / Timing Role: Standoff-rated TVS connected across input terminals to absorb >600 W energy without degradation. Use Value: Withstands repeated 10/1000 µs surges up to 0.01 % duty cycle, eliminating need for external series impedance or active crowbar circuits. |
| Consumer Appliance Motor Drive Board | Telecom Power Supply Input Stage |
Use Scenario: Shielding microcontroller GPIOs and gate drivers from back-EMF during BLDC motor commutation. IC Role / Device Role / Timing Role: Fast-response TVS placed at motor driver output node to suppress sub-100 ns spikes before they propagate. Use Value: Sub-nanosecond response and 16.7 V clamping prevent false triggering or shoot-through in half-bridge FETs. |
Use Scenario: Front-end protection of AC/DC adapter primary-side rectifier against lightning-induced surges. IC Role / Device Role / Timing Role: Primary-side unidirectional TVS absorbing line-to-ground transients before bulk capacitor filtering. Use Value: 600 W rating and 100 °C/W thermal resistance allow direct mounting on FR-4 without heatsink, reducing BOM count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-E3/5B | Same VBR range (11.4–12.6 V), but SMA package (smaller footprint, higher RθJA = 140 °C/W) | Limited to lower-power or space-constrained designs where thermal margin is less critical | Select when board area is constrained and peak surge duty cycle remains ≤0.001 % |
| 1.5SMC12A | Same electrical specs but SMC (DO-214AB) package - larger footprint, lower RθJA = 75 °C/W | Better thermal performance for high-repetition-rate industrial environments | Choose for applications requiring >5 W continuous dissipation or extended ambient temperatures above 70 °C |
Compared with SMAJ12A-E3/5B, P6SMB12AHM3_A/H offers superior thermal management and AEC-Q101 qualification; versus 1.5SMC12A, it provides identical protection performance in a smaller SMB footprint while retaining automotive-grade reliability and halogen-free compliance.
Availability
P6SMB12AHM3_A/H is available at Aetrix Electronics and suitable for automotive electronics, industrial PLCs, consumer appliance motor controls, and telecom power supply designs requiring stable component supply with full traceability and lifecycle continuity.
Supply support for P6SMB12AHM3_A/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, rectifiers, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-energy transient suppression in automotive, industrial, and consumer systems - engineered for robustness under harsh electrical environments and compatibility with automated SMT assembly processes.
FAQ
What is the clamping voltage of P6SMB12AHM3_A/H at its rated peak pulse current?
The P6SMB12AHM3_A/H has a maximum clamping voltage (VC) of 16.7 V at its rated peak pulse current (IPPM) of 35.9 A, measured under the standardized 10/1000 µs double-exponential waveform. This value ensures protected circuitry remains below typical 20 V absolute maximum ratings for 12 V logic and power ICs. The clamping performance is guaranteed across the full operating temperature range of -65 °C to +150 °C.
Is P6SMB12AHM3_A/H qualified for automotive applications?
Yes, P6SMB12AHM3_A/H is AEC-Q101 qualified, as confirmed by the "HM3" suffix denoting halogen-free, RoHS-compliant, and automotive-grade construction. It undergoes stress testing including high-temperature operating life, temperature cycling, and unbiased highly accelerated stress testing per AEC-Q101 Rev D. This qualification makes P6SMB12AHM3_A/H suitable for use in body control modules, infotainment interfaces, and ADAS sensor units.
What is the standoff voltage (VWM) of P6SMB12AHM3_A/H and how does it relate to system design?
The standoff voltage (VWM) of P6SMB12AHM3_A/H is 10.2 V - the maximum DC or continuous reverse voltage the device can withstand without exceeding 5 µA leakage current. In system design, VWM must exceed the normal operating voltage (e.g., 12 V nominal rail with ±10 % tolerance = 13.2 V max) only if used in bidirectional configuration; for unidirectional use like P6SMB12AHM3_A/H, VWM is selected to be just below VBR to ensure reliable turn-on during transients while avoiding false triggering during ripple or startup overshoot.
Does P6SMB12AHM3_A/H require a heatsink for standard operation?
No, P6SMB12AHM3_A/H does not require an external heatsink under standard conditions. Its thermal resistance (RθJA = 100 °C/W) is specified for mounting on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. At ambient temperatures ≤50 °C, the device safely dissipates its rated 5.0 W power without additional thermal management. For continuous operation above 50 °C or high-duty-cycle surge environments, PCB copper area optimization is recommended instead of discrete heatsinks.
How does the HM3 suffix affect the environmental compliance and reliability of P6SMB12AHM3_A/H?
The HM3 suffix on P6SMB12AHM3_A/H indicates halogen-free, RoHS-compliant construction meeting JEDEC JESD201 Class 2 whisker resistance requirements, and AEC-Q101 qualification. This ensures lead-free solder compatibility, reduced corrosivity in humid environments, and enhanced long-term interconnect reliability - critical for automotive and industrial deployments where field failure modes must be minimized over 15+ year lifetimes. The "H" denotes 7" tape-and-reel packaging.
P6SMB12AHM3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 35.9A
- 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)
P6SMB12AHM3_A/H FAQ
1.How can I place an order for P6SMB12AHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB12AHM3_A/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 P6SMB12AHM3_A/H reliable?
The price and inventory of P6SMB12AHM3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB12AHM3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB12AHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB12AHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB12AHM3_A/H?
P6SMB12AHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB12AHM3_A/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 P6SMB12AHM3_A/H?
For technical support, including P6SMB12AHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB12AHM3_A/H requirements.
6.How does Aetrix verify that P6SMB12AHM3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB12AHM3_A/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 P6SMB12AHM3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB12AHM3_A/H?
All P6SMB12AHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB12AHM3_A/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 P6SMB12AHM3_A/H part is unused and in its original packaging.
Return procedure for P6SMB12AHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB12AHM3_A/H Tags
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