My Inquiry
My Account
Vishay General Semiconductor - Diodes Division P6SMB12AHE3_A/H
;;2.jpg)
- Part No.:
- P6SMB12AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB12AHE3_A/H.pdf
- Description:
- TVS DIODE 10.2VWM 16.7VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,657
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
P6SMB12AHE3_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 standoff voltage (VWM = 10.2 V), 16.7 V clamping voltage at 35.9 A peak pulse current, and 600 W peak pulse power with 10/1000 μs waveform. It protects MOSFETs, ICs, and sensor signal lines against inductive switching transients and ESD in automotive and industrial power electronics.
For engineers reviewing the P6SMB12AHE3_A/H datasheet, P6SMB12AHE3_A/H pinout, P6SMB12AHE3_A/H application, or P6SMB12AHE3_A/H equivalent, this AEC-Q101 qualified TVS offers verified clamping performance, low incremental surge resistance, and RoHS-compliant matte tin-plated leads suitable for automated SMT assembly and high-reliability automotive subsystems.
Technical Context
The P6SMB12AHE3_A/H operates as a unidirectional avalanche diode with cathode-band polarity marking, designed to clamp transient overvoltages before they damage downstream silicon. Its glass-passivated junction ensures stable breakdown behavior and fast response time (<1 ns), while its thermal resistance (RθJA = 100 °C/W) supports operation up to TJ = 150 °C under defined PCB pad conditions.
It delivers 600 W peak pulse power per 10/1000 μs waveform at TA = 25 °C, derating linearly above 25 °C per Figure 2, and sustains 100 A non-repetitive forward surge current (8.3 ms half-sine). The device meets J-STD-020 MSL Level 1 and JESD201 Class 2 whisker resistance requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 10.2 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin below system rail. |
| VBR (Breakdown, min/max) | 11.4 V / 12.6 V at 1 mA - Confirmed avalanche initiation range; ensures predictable turn-on across temperature and lot variation. |
| VC (Clamping, at IPPM) | 16.7 V at 35.9 A - Measured maximum voltage seen by protected circuit during 600 W transient; critical for IC input voltage tolerance. |
| PPPM | 600 W - Peak pulse power handling with 10/1000 μs waveform; validates robustness against lightning-induced surges and load dump events. |
| IPPM | 35.9 A - Corresponding peak pulse current at VC; used to size series impedance and verify PCB trace current capacity. |
| TJ max. | +150 °C - Maximum junction temperature; enables use in under-hood automotive environments with minimal heatsinking. |
| RθJA | 100 °C/W - Thermal resistance junction-to-ambient on 0.2" × 0.2" copper pads; informs board layout and thermal relief design. |
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; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink node | Connected to protected line (e.g., 12 V rail or signal); conducts avalanche current to ground during overvoltage event. |
| Anode (unbanded end) | Reference/return path | Typically tied to system ground or low-impedance return plane; completes clamping loop with minimal inductance. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive powertrain and body electronics per stress test requirements, enabling drop-in use in Tier-1 modules. |
| 600 W peak pulse power (10/1000 μs) | Withstands ISO 7637-2 Pulse 1/2a/5a transients without degradation; eliminates need for external snubbers in 12 V systems. |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes overvoltage stress on protected ICs-e.g., 16.7 V clamping vs. 12 V nominal rail keeps logic-level inputs within safe margin. |
| Glass passivated junction | Ensures stable leakage (<5 μA at VWM) and repeatable breakdown over 10+ years in humid or thermally cycled environments. |
| MSL Level 1, 260 °C reflow compatible | Supports single-pass lead-free reflow without popcorn effect or parameter shift; eliminates pre-bake requirement in production. |
Applications
| Automotive Power Distribution | Industrial Sensor Signal Protection |
|---|---|
Use Scenario: Protecting 12 V supply rails in engine control units (ECUs) and body control modules (BCMs) against load dump and inductive kickback. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and DC-DC input, clamping transients before they reach regulator ICs. Use Value: Maintains <16.7 V rail excursion during 600 W pulses, preventing brownout or latch-up in automotive-grade microcontrollers. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors in factory automation PLC I/O modules from ESD and cable discharge. IC Role / Device Role / Timing Role: TVS mounted directly at connector entry point, shunting fast transients (<1 ns rise) away from precision op-amps and ADC front-ends. Use Value: Limits induced voltage to ≤16.7 V, preserving 12-bit ADC accuracy and avoiding sensor output saturation during field maintenance. |
| Consumer Power Adapter Input Stage | Telecom DC Power Interface |
Use Scenario: Safeguarding primary-side controllers in universal-input AC/DC adapters against surge events per IEC 61000-4-5 Level 3. IC Role / Device Role / Timing Role: Unidirectional TVS on bulk capacitor input, absorbing line-to-ground transients before reaching PWM controller and MOSFET gate drivers. Use Value: Clamps 1 kV/0.5 kA surges to ≤16.7 V, eliminating need for oversized X/Y capacitors and reducing BOM cost by 12%. |
Use Scenario: Protecting -48 V DC power feeds in telecom base station remote radio units (RRUs) from lightning-induced ground potential rise. IC Role / Device Role / Timing Role: TVS installed between -48 V bus and chassis ground, conducting surge current through low-inductance path to earth. Use Value: Withstands 600 W pulses without parametric shift, ensuring uninterrupted operation during outdoor site surges per GR-1089-CORE. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-E3/5T | Same SMB package, identical VWM (10.2 V) and VC (16.7 V), but rated for 400 W (not 600 W) peak pulse power. | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only); unsuitable for ISO 7637-2 Pulse 5a load dump. | Select when cost sensitivity outweighs surge robustness and system-level testing confirms <400 W threat profile. |
| 1.5SMC12A | Higher-power SMC package (same VWM/VC), rated for 1500 W peak pulse power, but 30% larger footprint and 2× thermal mass. | Used where PCB space allows and higher surge immunity is mandated (e.g., commercial vehicle alternator interfaces). | Choose when 600 W margin is insufficient and mechanical constraints permit larger SMC mounting. |
Compared with SMAJ12A-E3/5T and 1.5SMC12A, the P6SMB12AHE3_A/H uniquely balances AEC-Q101 qualification, 600 W capability, and SMB footprint-making it optimal for space-constrained automotive ECUs requiring validated reliability without SMC-level board area.
Availability
P6SMB12AHE3_A/H is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor protection, consumer power adapter input stages, and telecom DC power interface applications requiring stable component supply and AEC-Q101 compliance.
Supply support for P6SMB12AHE3_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, automotive qualification, and high-volume manufacturability.
The P6SMB Series targets automotive and industrial transient suppression, engineered specifically to meet AEC-Q101 stress requirements while delivering consistent 600 W clamping performance in compact SMB packaging.
FAQ
What is the clamping voltage of the P6SMB12AHE3_A/H at its rated peak pulse current?
The P6SMB12AHE3_A/H has a maximum clamping voltage (VC) of 16.7 V at its rated peak pulse current (IPPM) of 35.9 A, measured using the standard 10/1000 μs waveform. This value is guaranteed across temperature and lot, and defines the upper voltage limit imposed on protected circuits during transient events. The P6SMB12AHE3_A/H maintains this clamping performance without degradation under repetitive surge conditions at 0.01 % duty cycle.
Is the P6SMB12AHE3_A/H qualified for automotive applications?
Yes, the P6SMB12AHE3_A/H is AEC-Q101 qualified, as confirmed by its HE3 suffix and documentation in Vishay's P6SMB datasheet (Document Number 88370, Revision 09-Jan-2024). It undergoes full stress testing including HTGB, HTRB, and temperature cycling per AEC-Q101 Rev G, making it suitable for under-hood and chassis-mounted automotive modules. The P6SMB12AHE3_A/H is explicitly listed in Vishay's AEC-Q101 qualified product table with "_B" revision code.
What is the standoff voltage (VWM) specification for the P6SMB12AHE3_A/H?
The P6SMB12AHE3_A/H has a maximum reverse standoff voltage (VWM) of 10.2 V at 25 °C, meaning it remains non-conductive up to this DC or RMS voltage level. This value provides a 17.6 % margin above typical 12 V automotive nominal rails, ensuring reliable blocking during normal operation while allowing rapid avalanche conduction during transients exceeding VWM. The P6SMB12AHE3_A/H maintains VWM ≥ 9.7 V across its full operating temperature range (−65 °C to +150 °C).
Does the P6SMB12AHE3_A/H have a bidirectional variant?
No, the P6SMB12AHE3_A/H is strictly unidirectional, indicated by the "A" suffix and cathode band marking. Bidirectional variants use the "CA" suffix (e.g., P6SMB12CA), which exhibit symmetrical clamping in both polarities and lack polarity marking. The P6SMB12AHE3_A/H's unidirectional configuration is optimized for DC rail protection where ground-referenced transients dominate, and it cannot substitute for bidirectional types in AC-coupled or floating signal line applications.
What is the thermal resistance and maximum junction temperature rating of the P6SMB12AHE3_A/H?
The P6SMB12AHE3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads per JEDEC standards, and a maximum junction temperature (TJ) rating of +150 °C. This allows continuous operation in high-temperature environments such as engine compartments, provided PCB layout adheres to recommended pad dimensions. The P6SMB12AHE3_A/H also specifies RθJL = 20 °C/W for junction-to-lead conduction, supporting thermal modeling of solder joint reliability.
P6SMB12AHE3_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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB12AHE3_A/H FAQ
1.How can I place an order for P6SMB12AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB12AHE3_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 P6SMB12AHE3_A/H reliable?
The price and inventory of P6SMB12AHE3_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 P6SMB12AHE3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB12AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB12AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB12AHE3_A/H?
P6SMB12AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB12AHE3_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 P6SMB12AHE3_A/H?
For technical support, including P6SMB12AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB12AHE3_A/H requirements.
6.How does Aetrix verify that P6SMB12AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB12AHE3_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 P6SMB12AHE3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB12AHE3_A/H?
All P6SMB12AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB12AHE3_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 P6SMB12AHE3_A/H part is unused and in its original packaging.
Return procedure for P6SMB12AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB12AHE3_A/H Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
