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Vishay General Semiconductor - Diodes Division SMB10J36AHM3_B/I
- Part No.:
- SMB10J36AHM3_B/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J36AHM3_B/I.pdf
- Description:
- 1KW,36V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:
- Shipping:
Inventory:3,410
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Product details
Overview
SMB10J36AHM3_B/I 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), 58.1 V clamping voltage (VC) at 17.2 A peak pulse current (IPPM), and 1000 W peak pulse power (PPPM) with 10/1000 µs waveform - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMB10J36AHM3_B/I datasheet, SMB10J36AHM3_B/I pinout, SMB10J36AHM3_B/I application, or SMB10J36AHM3_B/I equivalent, key selection criteria include AEC-Q101 qualification, unidirectional polarity, 150 °C max junction temperature, low incremental surge resistance, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a clamping device that remains non-conductive below 36 V (VWM) and rapidly transitions to low-impedance conduction above its 40.0–44.2 V breakdown threshold (VBR @ 1 mA), limiting transient overvoltages to ≤58.1 V at 17.2 A. Its glass-passivated junction ensures stable leakage (<1.0 µA at VWM) and fast response time under ESD and lightning-induced surges.
The SMB10J36AHM3_B/I is rated for 100 A non-repetitive forward surge current (IFSM, 8.3 ms half-sine), supports MSL Level 1 moisture sensitivity, and achieves thermal resistance of 20 °C/W (junction-to-lead) - enabling robust operation in compact, thermally constrained PCB layouts without active cooling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin for 36 V nominal systems. |
| VBR min/max | 40.0 V / 44.2 V @ 1 mA - verified breakdown range ensuring reliable turn-on across process variation and temperature. |
| VC @ IPPM | 58.1 V @ 17.2 A - clamping voltage during 10/1000 µs surge; determines protected circuit's maximum transient stress level. |
| PPPM | 1000 W - peak pulse power handling capacity; enables protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) on 24–48 V buses. |
| ID @ VWM | <1.0 µA - ultra-low reverse leakage preserves battery life and avoids false triggering in low-power sensor nodes. |
| TJ max | +150 °C - extended junction temperature rating supports under-hood automotive and industrial ambient conditions. |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per AEC standard. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input side of protected line (e.g., +VDC rail) | Connected to source of transient energy; must be routed with minimal inductance to maintain clamping speed. |
| Cathode | Clamp node tied to reference (e.g., GND or return path) | Color-banded end; carries full surge current to ground plane - requires direct low-inductance connection to solid copper pour. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and body electronics applications requiring zero-defect reliability over 15-year service life. |
| Halogen-free & RoHS-compliant (HM3 suffix) | Meets global environmental regulations and JEDEC JESD201 Class 2 whisker resistance for long-term solder joint integrity. |
| Low incremental surge resistance | Enables tighter clamping (VC − VBR ≈ 18 V) versus competing TVS devices, reducing voltage overshoot on sensitive ICs. |
| MSL Level 1, 260 °C peak reflow | Compatible with standard lead-free SMT reflow profiles without preconditioning or special handling. |
| Glass passivated junction | Provides stable electrical parameters across humidity, temperature, and long-term bias stress - critical for field-deployed equipment. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamp |
|---|---|
|
Use Scenario: 12 V/24 V battery-fed ECUs exposed to load dump (ISO 16750-2) and jump-start transients. IC Role / Device Role: Primary clamping element placed between battery input and DC-DC converter input stage. Use Value: Limits transients to ≤58.1 V, protecting downstream regulators and microcontrollers rated for 40 V absolute max input. |
Use Scenario: Analog output lines (e.g., 4–20 mA current loop) in factory automation sensors subject to cable ESD and inductive kickback. IC Role / Device Role: Bidirectional-capable unidirectional TVS placed across signal and return, referenced to local ground. Use Value: Sub-1 ns response prevents latch-up in op-amps and ADC front-ends while maintaining <1.0 µA leakage at 36 V common-mode. |
| Telecom DC Power Feeds | Consumer Device USB Power Rail |
|
Use Scenario: -48 V telecom rectifier outputs feeding base station RF modules vulnerable to lightning-induced surges on outdoor cabling. IC Role / Device Role: Unidirectional TVS connected anode-to-rail, cathode-to-ground to clamp positive-going transients only. Use Value: 1000 W PPPM rating sustains multiple 10/1000 µs surges without degradation, meeting Telcordia GR-1089-CORE requirements. |
Use Scenario: USB Type-C VBUS line in portable speakers or docking stations subjected to hot-plug ESD and adapter transients. IC Role / Device Role: Standoff-rated TVS placed upstream of USB PD controller to prevent overvoltage damage during adapter swap events. Use Value: 36 V VWM allows safe operation with 20 V PD PPS profiles while clamping 300 V ESD pulses to <60 V within nanoseconds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient 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 E3 suffix only. | Lacks automotive qualification; suitable for industrial/commercial power supplies where AEC compliance is not mandated. | Select when cost sensitivity outweighs automotive qualification requirements and lifecycle traceability is not required. |
| SMAJ36A-HM3 | Lower PPPM (400 W), SMA package (smaller footprint), same VWM/VBR, halogen-free HM3 suffix. | Insufficient for ISO 16750-2 load dump; limited to low-energy ESD and signal-line protection in space-constrained designs. | Choose only for secondary-level protection or low-power signal paths where 1000 W surge immunity is unnecessary. |
Compared with SMBJ36A-E3/52 and SMAJ36A-HM3, the SMB10J36AHM3_B/I delivers AEC-Q101 assurance and 2.5× higher surge power handling in the same SMB footprint - making it the sole option for primary automotive power rail protection where both reliability and energy capacity are mandatory.
Availability
SMB10J36AHM3_B/I is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom DC power feeds requiring stable component supply with full AEC-Q101 traceability and halogen-free compliance.
Supply support for SMB10J36AHM3_B/I 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, MOSFETs, and protection devices with emphasis on high-reliability, high-power-density solutions.
The SMB10JxxA series targets high-energy transient suppression in automotive and industrial environments, engineered for AEC-Q101 compliance, low clamping ratio, and robust SMT manufacturability in space-constrained layouts.
FAQ
What is the clamping voltage of SMB10J36AHM3_B/I at its rated peak pulse current?
The SMB10J36AHM3_B/I has a maximum clamping voltage (VC) of 58.1 V when subjected to its specified peak pulse current (IPPM) of 17.2 A using the 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 standards and guarantees predictable overvoltage limiting for downstream components. The SMB10J36AHM3_B/I maintains this clamping performance across its full operating temperature range (−55 °C to +150 °C).
Is SMB10J36AHM3_B/I suitable for automotive applications?
Yes, SMB10J36AHM3_B/I is AEC-Q101 qualified and manufactured with halogen-free, RoHS-compliant materials (HM3 suffix), making it approved for automotive powertrain, body, and chassis systems. Its 150 °C maximum junction temperature, MSL Level 1 rating, and validation across temperature cycling, HTRB, and ESD tests confirm suitability for under-hood and infotainment applications. The SMB10J36AHM3_B/I meets ISO 16750-2 load dump requirements when properly mounted.
What does the "HM3_B/I" suffix indicate in SMB10J36AHM3_B/I?
The "HM3" denotes halogen-free, RoHS-compliant construction with JESD201 Class 2 whisker resistance; "B" is the revision code; "I" specifies packaging in 13-inch tape-and-reel format with 3200 units per reel. This ordering code ensures full compliance with automotive environmental and logistics requirements. The SMB10J36AHM3_B/I is traceable to Vishay's qualified manufacturing lot and conforms to PPAP Level 3 documentation standards.
How does SMB10J36AHM3_B/I compare to bidirectional TVS diodes with the same VWM?
The SMB10J36AHM3_B/I is unidirectional and optimized for DC power line protection where only positive-going transients occur - offering higher PPPM (1000 W vs. 800 W for SMB8J36CA) and lower clamping ratio due to dedicated anode-cathode architecture. Unlike bidirectional variants, it avoids leakage doubling and provides superior noise immunity in single-polarity rails. The SMB10J36AHM3_B/I is not interchangeable with bidirectional types without circuit redesign.
What PCB layout guidance applies to SMB10J36AHM3_B/I for optimal surge performance?
For optimal transient response, route the SMB10J36AHM3_B/I with minimum trace length between anode and protected rail, and cathode and solid ground plane - ideally using thermal pads ≥5.0 mm × 5.0 mm per terminal as specified in Vishay's mounting recommendations. Avoid vias in current paths; use multiple ground vias under the cathode pad. The SMB10J36AHM3_B/I achieves rated PPPM only when mounted per these guidelines, as thermal and inductive parasitics directly impact clamping effectiveness.
SMB10J36AHM3_B/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 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)
SMB10J36AHM3_B/I FAQ
1.How can I place an order for SMB10J36AHM3_B/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J36AHM3_B/I 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 SMB10J36AHM3_B/I reliable?
The price and inventory of SMB10J36AHM3_B/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J36AHM3_B/I is usually 5 days.
3.What payment methods are accepted for SMB10J36AHM3_B/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J36AHM3_B/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J36AHM3_B/I?
SMB10J36AHM3_B/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J36AHM3_B/I 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 SMB10J36AHM3_B/I?
For technical support, including SMB10J36AHM3_B/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J36AHM3_B/I requirements.
6.How does Aetrix verify that SMB10J36AHM3_B/I is sourced from the original manufacturer or authorized distributors?
All SMB10J36AHM3_B/I 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 SMB10J36AHM3_B/I meets industry standards.
7.What is the process for return or replacement of SMB10J36AHM3_B/I?
All SMB10J36AHM3_B/I units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J36AHM3_B/I, 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 SMB10J36AHM3_B/I part is unused and in its original packaging.
Return procedure for SMB10J36AHM3_B/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J36AHM3_B/I Tags
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