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Vishay General Semiconductor - Diodes Division SMBJ36AHM3_A/H
- Part No.:
- SMBJ36AHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ36AHM3_A/H.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,750
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Product details
Overview
SMBJ36AHM3_A/H from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping ESD and surge transients on power and signal lines. It features 36 V standoff voltage (VWM), 40.0–44.2 V breakdown range (VBR at 1 mA), 58.1 V maximum clamping voltage (VC) at 10.3 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - deployed in industrial motor drives to protect MOSFET gate drivers from inductive switching spikes.
For engineers reviewing the SMBJ36AHM3_A/H datasheet, SMBJ36AHM3_A/H pinout, SMBJ36AHM3_A/H application, or SMBJ36AHM3_A/H equivalent, this page delivers verified electrical parameters, thermal derating behavior, AEC-Q101 qualification status, halogen-free RoHS compliance, and real-world clamping performance data essential for automotive-grade power rail protection design.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, leveraging a glass-passivated silicon junction for stable avalanche breakdown. Its 100 °C/W junction-to-ambient thermal resistance (RθJA) and 20 °C/W junction-to-lead (RθJL) define thermal limits under repetitive surge conditions, while the 150 °C maximum junction temperature enables operation in high-ambient environments like engine control units.
The SMBJ36AHM3_A/H responds in <1 ps to transients and maintains low incremental surge resistance for consistent clamping across its 10.3 A IPPM rating. It meets MSL Level 1 per J-STD-020 with 260 °C reflow peak, and its halogen-free, RoHS-compliant construction (HM3 suffix) satisfies strict environmental requirements for automotive electronics without compromising surge robustness.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - Maximum continuous reverse operating voltage before leakage exceeds 1.0 µA; sets upper limit for DC bias on protected line. |
| VBR (min/max) | 40.0 V / 44.2 V at 1 mA - Confirmed breakdown range ensures reliable turn-on margin above VWM with minimal dispersion. |
| VC @ IPPM | 58.1 V at 10.3 A - Clamping voltage during 10/1000 µs surge defines worst-case overvoltage seen by downstream ICs. |
| PPPM | 600 W - Peak pulse power handling capacity with 0.01% duty cycle; supports repeated surge events in motor control applications. |
| IFSM | 100 A - Non-repetitive forward surge rating (8.3 ms half-sine) validates robustness against accidental polarity reversal or latch-up currents. |
| TJ max | +150 °C - Enables use in under-hood automotive modules where ambient temperatures exceed 105 °C. |
| Package | SMB (DO-214AA) - Standardized 5.21 mm × 4.06 mm footprint with 2.20 mm height; compatible with automated SMT placement and IPC-7351B land patterns. |
Pinout & Package
Two-terminal unidirectional TVS in SMB (DO-214AA) package. Cathode identified by molded band; anode is unmarked end. Terminals are matte tin-plated, solderable per J-STD-002 and JESD 22-B102, with whisker resistance per JESD 201 Class 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when VLINE exceeds VBR. |
| Anode (unmarked end) | Reference node | Typically tied to system ground or lower-potential rail; completes clamping path during overvoltage event. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Supports IEC 61000-4-5 Level 4 (4 kV) surge immunity without external series impedance in many 24 V systems. |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive powertrain and body electronics per stress test requirements including HTOL, TCT, and ESD-HBM. |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and JEDEC JS709E; eliminates brominated flame retardants without sacrificing UL 94 V-0 flammability rating. |
| Low clamping ratio (VC/VBR ≈ 1.42) | Minimizes overvoltage stress on 40 V-rated MOSFETs and gate drivers during fast transients. |
| MSL Level 1 (260 °C peak) | Enables single-pass lead-free reflow without pre-baking, reducing manufacturing cost and process complexity. |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Card |
|---|---|
|
Use Scenario: Protecting 36 V CAN transceiver power rails from load dump and jump-start surges. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between VCC and GND, absorbing >100 V transients within nanoseconds. Use Value: Limits voltage seen by ISO 11898-2 compliant transceivers to ≤58.1 V, preventing latch-up and ensuring communication continuity after 12 V battery reversal events. |
Use Scenario: Safeguarding 24 V digital input optocoupler circuits from field-wiring induced surges. IC Role / Device Role / Timing Role: Standoff-clamp TVS mounted upstream of series current-limiting resistor and input Schottky clamp. Use Value: Clamps 1 kV/500 A surge to 58.1 V before it reaches the optocoupler LED, extending lifetime beyond 100,000 operations per IEC 61000-4-5. |
| Telecom Power Supply Front-End | Motor Drive Gate Driver Stage |
|
Use Scenario: Secondary-side overvoltage suppression on 48 V telecom rectifier outputs feeding PoE PSE controllers. IC Role / Device Role / Timing Role: Fast-response TVS shunting transient energy away from DC-DC controller ICs during hot-swap insertion. Use Value: Maintains output regulation by limiting overshoot to <60 V during 100 ns rise-time surges, avoiding brownout resets in IEEE 802.3bt PSE ASICs. |
Use Scenario: Protecting isolated gate driver ICs (e.g., Si823x) from Miller-induced spikes during IGBT switching in HVAC inverters. IC Role / Device Role / Timing Role: Local clamping device across gate-emitter terminals of high-side IGBTs, referenced to floating emitter potential. Use Value: Suppresses >100 V dv/dt-induced spikes to <58.1 V within 1 ps, preventing false turn-on and shoot-through in 15 kHz PWM stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36AHE3_A/H | Same electrical specs but RoHS-compliant (E3), non-halogen-free; lacks halogen-free certification. | Approved for commercial/industrial use only; not qualified for automotive AEC-Q101 applications. | Select when halogen-free requirement is absent and cost sensitivity favors standard E3 variant. |
| SMCJ36A-M3/A | Higher 1500 W PPPM, larger SMC (DO-214AB) package (7.11 mm × 6.22 mm); same VWM/VC ratings. | Used where higher surge margin is needed (e.g., outdoor telecom cabinets); requires PCB layout change. | Choose when system-level surge testing exceeds IEC 61000-4-5 Level 4 and board space allows larger footprint. |
Compared with SMBJ36AHM3_A/H, the SMBJ36AHE3_A/H offers identical clamping performance at lower cost but excludes halogen-free compliance and AEC-Q101 validation, while the SMCJ36A-M3/A provides 2.5× higher surge capacity in a physically incompatible package - making SMBJ36AHM3_A/H optimal for space-constrained automotive modules requiring certified environmental and reliability attributes.
Availability
SMBJ36AHM3_A/H is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input protection, and telecom power supply front-end designs requiring stable component supply, halogen-free compliance, and AEC-Q101 qualification.
Supply support for SMBJ36AHM3_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, thermal performance, and automotive qualification.
The SMBJ series was engineered specifically for high-reliability transient suppression in automotive and industrial power systems, balancing compact SMB packaging with 600 W surge capability and AEC-Q101 validation.
FAQ
What is the maximum clamping voltage of SMBJ36AHM3_A/H at its rated peak pulse current?
The SMBJ36AHM3_A/H has a maximum clamping voltage (VC) of 58.1 V at its specified peak pulse current (IPPM) of 10.3 A under the 10/1000 µs waveform condition. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events. The SMBJ36AHM3_A/H maintains this clamping performance across its full operating temperature range (-55 °C to +150 °C), with minimal derating up to 125 °C.
Is SMBJ36AHM3_A/H qualified for automotive applications?
Yes, SMBJ36AHM3_A/H is AEC-Q101 qualified, as confirmed by Vishay's ordering code structure (HM3 suffix denotes halogen-free, RoHS-compliant, and AEC-Q101 qualified). It undergoes stress testing including high-temperature operating life (HTOL), temperature cycling (TCT), and human-body model ESD (HBM), making it suitable for automotive body control modules, lighting drivers, and infotainment power supplies where reliability under harsh conditions is mandatory.
What is the standoff voltage rating of SMBJ36AHM3_A/H, and how does it relate to system operating voltage?
The SMBJ36AHM3_A/H has a reverse standoff voltage (VWM) of 36 V, meaning it remains non-conductive with leakage <1.0 µA up to this DC or RMS voltage. For reliable operation, system nominal voltage should be ≤80% of VWM; thus, SMBJ36AHM3_A/H is optimally applied in 24 V or 28 V automotive and industrial systems where transient headroom is required without false triggering during normal operation.
Does SMBJ36AHM3_A/H have a bidirectional variant, and how does it differ?
No - SMBJ36AHM3_A/H is strictly unidirectional, indicated by the "A" suffix and cathode band marking. Bidirectional variants use the "CA" suffix (e.g., SMBJ36CA) and lack polarity marking. The unidirectional SMBJ36AHM3_A/H provides lower capacitance and tighter VBR tolerance than its bidirectional counterpart, making it preferred for DC power rail protection where polarity is fixed and clamping precision is critical.
What is the thermal resistance profile of SMBJ36AHM3_A/H, and how does it affect PCB layout?
SMBJ36AHM3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W on standard 0.2" × 0.2" copper pads, and 20 °C/W junction-to-lead (RθJL). To maintain safe operation during repetitive surges, PCB layout must provide ≥5.0 mm² copper area per terminal, avoid thermal isolation, and ensure no adjacent heat sources exceed 100 °C ambient. Derating curves in Figure 2 of Vishay document 88392 confirm 50% power reduction at 100 °C case temperature.
SMBJ36AHM3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 10.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMBJ36AHM3_A/H FAQ
1.How can I place an order for SMBJ36AHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ36AHM3_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 SMBJ36AHM3_A/H reliable?
The price and inventory of SMBJ36AHM3_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 SMBJ36AHM3_A/H is usually 5 days.
3.What payment methods are accepted for SMBJ36AHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ36AHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ36AHM3_A/H?
SMBJ36AHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ36AHM3_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 SMBJ36AHM3_A/H?
For technical support, including SMBJ36AHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ36AHM3_A/H requirements.
6.How does Aetrix verify that SMBJ36AHM3_A/H is sourced from the original manufacturer or authorized distributors?
All SMBJ36AHM3_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 SMBJ36AHM3_A/H meets industry standards.
7.What is the process for return or replacement of SMBJ36AHM3_A/H?
All SMBJ36AHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ36AHM3_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 SMBJ36AHM3_A/H part is unused and in its original packaging.
Return procedure for SMBJ36AHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ36AHM3_A/H Tags
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