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Vishay General Semiconductor - Diodes Division SMB10J36AHE3/5B
- Part No.:
- SMB10J36AHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J36AHE3/5B.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:2,011
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Product details
Overview
SMB10J36AHE3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 36 V stand-off voltage (VWM), 40.0–44.2 V breakdown voltage (VBR at 1 mA), 58.1 V clamping voltage (VC) at 17.2 A peak pulse current (IPPM), and 1000 W peak pulse power (10/1000 µs waveform), suitable for automotive power supply rail protection per AEC-Q101.
For engineers reviewing the SMB10J36AHE3/5B datasheet, SMB10J36AHE3/5B pinout, SMB10J36AHE3/5B application, or SMB10J36AHE3/5B equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJA = 72 °C/W), mounting pad layout guidance, and direct alternative part comparisons - all aligned to Vishay Document #88422 (Rev. 09-Jan-2024).
Technical Context
This unidirectional TVS diode operates as a clamping device that remains non-conductive below 36 V and rapidly transitions to low-impedance conduction during transients exceeding its breakdown threshold. Its glass-passivated junction ensures stable leakage (<1.0 µA at VWM) and repeatable clamping performance across temperature (–55 °C to +150 °C).
The SMB10J36AHE3/5B is rated for 100 A non-repetitive forward surge current (IFSM, 8.3 ms half-sine), supports automated SMT placement, meets MSL Level 1 (260 °C reflow peak), and is qualified to AEC-Q101 for automotive under-hood and powertrain applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - Maximum continuous reverse operating voltage before significant leakage begins; defines safe DC rail margin. |
| VBR (min/max) | 40.0 V / 44.2 V at 1 mA - Confirmed breakdown range ensures reliable turn-on above system nominal voltage with margin. |
| VC @ IPPM | 58.1 V at 17.2 A - Clamping voltage limits downstream IC stress during 10/1000 µs surges; critical for MOSFET gate or MCU I/O protection. |
| PPPM | 1000 W - Peak pulse power handling capacity determines survivability against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 surges. |
| IFSM | 100 A - Withstands single 8.3 ms half-sine surge events common in automotive load-dump scenarios. |
| RθJA | 72 °C/W - Thermal resistance enables derated power handling above 25 °C ambient; requires minimum 5.0 mm × 5.0 mm copper pads per terminal. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002/JESD 22-B102; cathode indicated by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry (unidirectional) | Connected to protected line (e.g., 12 V rail); conducts during positive transients when cathode is at higher potential. |
| Cathode | Forward current exit / clamping reference | Connected to ground or lower-potential return path; establishes clamping voltage relative to reference plane. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units, body electronics, and ADAS power supplies. |
| Glass passivated junction | Ensures stable VBR tolerance, low leakage (<1.0 µA), and long-term reliability under thermal cycling. |
| MSL Level 1 compliance | Supports standard lead-free reflow profiles up to 260 °C peak without preconditioning or baking. |
| Low incremental surge resistance | Enables tight clamping (VC – VBR ≈ 18 V) and minimal voltage overshoot during fast transients. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs from load dump and inductive switching transients per ISO 7637-2. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between power input and ground, absorbing >1000 W surge energy within nanoseconds. Use Value: Limits voltage seen by downstream DC/DC converters and microcontrollers to ≤58.1 V, preventing latch-up or permanent damage. | Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) connected to PLC I/O modules exposed to field wiring noise. IC Role / Device Role / Timing Role: Bidirectional-capable variant not used; this unidirectional part protects grounded-signal lines where polarity is fixed and ground-referenced. Use Value: Maintains signal integrity by clamping ESD and fast transients while adding <1.0 µA leakage at 36 V, avoiding DC offset errors. |
| Consumer Power Adapter Input Stage | Telecom DC Feeder Line Protection |
Use Scenario: Secondary-side overvoltage suppression in AC/DC adapters after rectification, before primary-side controller feedback. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing surge energy from mains-coupled transients or capacitor discharge events. Use Value: Prevents false triggering or destruction of optocoupler feedback circuits by limiting voltage excursions to 58.1 V during 10/1000 µs events. | Use Scenario: Protecting -48 V telecom power distribution boards from lightning-induced surges on long feeder lines. IC Role / Device Role / Timing Role: Unidirectional TVS referenced to system ground, clamping positive surges on negative-rail infrastructure. Use Value: Enables robust operation at -48 V nominal with 36 V standoff, allowing 12 V headroom before clamping initiates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ36A-E3/52 | Same VWM/VBR/VC specs, but commercial-grade (non-AEC-Q101), RoHS-compliant only. | Lacks automotive qualification; unsuitable for OEM vehicle production or Tier 1 module designs requiring AEC-Q101 evidence. | Select SMB10J36AHE3/5B when AEC-Q101 traceability and automotive PPAP support are mandatory. |
| SMCJ36AHE3/5B | Same AEC-Q101 rating and VWM/VBR, but larger SMC (DO-214AB) package with 1500 W PPPM and higher IPPM (24.9 A). | Requires larger PCB footprint and different pad layout; better suited for higher-energy surge environments (e.g., alternator output). | Choose SMB10J36AHE3/5B for space-constrained layouts where 1000 W capability suffices and SMB footprint is required. |
Compared with SMBJ36A-E3/52, SMB10J36AHE3/5B adds AEC-Q101 qualification and identical SMB packaging; compared with SMCJ36AHE3/5B, it trades 500 W peak power and 7.7 A higher IPPM for 30% smaller board area and optimized thermal profile in compact modules.
Availability
SMB10J36AHE3/5B is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom DC power distribution systems requiring stable component supply with full AEC-Q101 documentation and traceable sourcing.
Supply support for SMB10J36AHE3/5B 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 SMB10J series belongs to Vishay's TRANSZORB® TVS family, engineered specifically for high-power-density, surface-mount transient suppression in automotive, industrial, and communications infrastructure where space, thermal efficiency, and qualification rigor are critical.
FAQ
What is the clamping voltage of SMB10J36AHE3/5B at its rated peak pulse current?
The SMB10J36AHE3/5B has a maximum clamping voltage (VC) of 58.1 V at 17.2 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during surge events - a key parameter for ensuring downstream ICs like MCUs or gate drivers remain within absolute maximum ratings.
Is SMB10J36AHE3/5B qualified for automotive use?
Yes, SMB10J36AHE3/5B is explicitly AEC-Q101 qualified, as confirmed in Vishay Document #88422 (Rev. 09-Jan-2024). The "HE3" suffix denotes RoHS-compliant and AEC-Q101 qualified construction, making SMB10J36AHE3/5B suitable for automotive applications including engine control, body electronics, and ADAS subsystems where reliability under thermal cycling, vibration, and surge stress is mandated.
What is the thermal resistance junction-to-ambient for SMB10J36AHE3/5B?
The typical thermal resistance junction-to-ambient (RθJA) for SMB10J36AHE3/5B is 72 °C/W, measured with 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value directly impacts power derating above 25 °C ambient and must be applied when calculating safe operating area for repetitive surge conditions - SMB10J36AHE3/5B requires adequate copper area to maintain junction temperature below 150 °C.
Does SMB10J36AHE3/5B have bidirectional capability?
No, SMB10J36AHE3/5B is a unidirectional TVS diode, as indicated by its part number suffix "A" (not "CA") and confirmed in the unidirectional electrical characteristics table of Vishay Document #88422. It conducts only during positive transients relative to its cathode and must be oriented with the cathode band toward the protected line's higher-potential side - it does not protect against reverse-polarity surges.
What is the maximum reverse leakage current for SMB10J36AHE3/5B at its stand-off voltage?
The maximum reverse leakage current (ID) for SMB10J36AHE3/5B is 1.0 µA at its stand-off voltage (VWM) of 36 V, tested at 25 °C ambient. This low leakage ensures minimal power loss and avoids interference with precision analog circuits or high-impedance sensor bias networks - a critical specification for battery-powered or low-quiescent-current systems using SMB10J36AHE3/5B.
SMB10J36AHE3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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):
- 17.2A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J36AHE3/5B FAQ
1.How can I place an order for SMB10J36AHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J36AHE3/5B 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 SMB10J36AHE3/5B reliable?
The price and inventory of SMB10J36AHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J36AHE3/5B is usually 5 days.
3.What payment methods are accepted for SMB10J36AHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J36AHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J36AHE3/5B?
SMB10J36AHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J36AHE3/5B 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 SMB10J36AHE3/5B?
For technical support, including SMB10J36AHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J36AHE3/5B requirements.
6.How does Aetrix verify that SMB10J36AHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMB10J36AHE3/5B 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 SMB10J36AHE3/5B meets industry standards.
7.What is the process for return or replacement of SMB10J36AHE3/5B?
All SMB10J36AHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J36AHE3/5B, 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 SMB10J36AHE3/5B part is unused and in its original packaging.
Return procedure for SMB10J36AHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J36AHE3/5B Tags
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