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Vishay General Semiconductor - Diodes Division SMB10J24A-M3/5B
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- Part No.:
- SMB10J24A-M3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J24A-M3/5B.pdf
- Description:
- TVS DIODE 24VWM 38.9VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,469
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Product details
Overview
SMB10J24A-M3/5B 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 24 V stand-off voltage (VWM), 26.7–29.5 V breakdown voltage (VBR at 1 mA), 38.9 V clamping voltage (VC) at 25.7 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMB10J24A-M3/5B datasheet, SMB10J24A-M3/5B pinout, SMB10J24A-M3/5B application, or SMB10J24A-M3/5B equivalent, key selection criteria include clamping performance under 25.7 A surge, unidirectional polarity with cathode band marking, AEC-Q101 qualification status, halogen-free RoHS compliance (M3 suffix), and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector: when reverse voltage exceeds VBR, it avalanches to divert surge current away from downstream ICs. Its glass-passivated junction ensures stable breakdown and low leakage (<1.0 µA at 24 V), while MSL Level 1 rating supports lead-free reflow up to 260 °C peak.
The device delivers 1000 W peak pulse power handling per 10/1000 µs waveform, with thermal resistance of 72 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), enabling reliable operation up to +150 °C junction temperature in compact PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 24 V - maximum continuous reverse operating voltage before conduction begins; defines safe DC rail margin for 24 V systems. |
| VBR (min/max) | 26.7 V / 29.5 V at 1 mA - guaranteed avalanche initiation range; ensures consistent turn-on across production lots. |
| VC @ IPPM | 38.9 V at 25.7 A - clamped voltage during full-rated 1000 W surge; limits stress on protected 24 V logic or MOSFET gate drivers. |
| PPPM | 1000 W - peak pulse power with 10/1000 µs waveform; validates robustness against ISO 7637-2 Pulse 1/2a/5a transients. |
| IFSM | 100 A - non-repetitive forward surge current (8.3 ms half-sine); supports inrush or load-dump immunity in automotive ECUs. |
| TJ max | +150 °C - maximum junction temperature; enables use in under-hood automotive environments without derating. |
| AEC-Q101 | Qualified - certified for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile plastic case with matte tin-plated leads; meets UL 94 V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Surge current sink node | Connected to protected line (e.g., 24 V rail); conducts avalanche current to ground during overvoltage events. |
| Anode | Reference/ground return | Typically tied to system ground plane; completes shunt path for transient energy dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional polarity with cathode band | Enables precise orientation during automated placement and prevents reverse-bias failure in DC-coupled circuits. |
| Glass passivated junction | Ensures stable VBR tolerance, low leakage (<1.0 µA), and long-term reliability under thermal cycling. |
| Halogen-free & RoHS-compliant (M3 suffix) | Meets automotive environmental requirements and eliminates corrosive halogen emissions during soldering or field failure. |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free SMT assembly without moisture sensitivity concerns or baking preconditioning. |
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and ADAS sensor modules. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 24 V supply input of an automotive body control module (BCM) against load dump and alternator transients per ISO 7637-2. IC Role / Device Role / Timing Role: Shunt-type transient suppressor placed between battery rail and DC-DC converter input. Use Value: Clamps surges to ≤38.9 V, preventing damage to downstream 36 V-rated regulators and ensuring uninterrupted MCU operation. |
Use Scenario: Safeguarding analog output (4–20 mA) lines of a pressure sensor in factory automation equipment exposed to relay switching noise. IC Role / Device Role / Timing Role: Bidirectional-capable unidirectional TVS placed across signal and return lines near connector entry. Use Value: Limits induced spikes to <40 V, preserving ADC reference integrity and avoiding false trigger in PLC analog inputs. |
| Telecom DC Power Feeding | Consumer Appliance Motor Drive Protection |
|
Use Scenario: Surge suppression on -48 V DC feeding lines in telecom base station remote radio units subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Unidirectional TVS connected cathode-to-line, anode-to-ground to clamp negative-going transients. Use Value: Withstands 1000 W pulses and maintains <1 µA leakage at -48 V, minimizing standby power loss in always-on systems. |
Use Scenario: Protecting gate driver ICs in smart home washing machine motor inverters from inductive kickback during MOSFET switching. IC Role / Device Role / Timing Role: Local TVS mounted at motor driver IC power pins to absorb fast-rising L·di/dt spikes. Use Value: Fast response time and 38.9 V clamping prevent gate oxide rupture in 60 V-rated logic-level MOSFETs during commutation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ24A-M3/5B | Same SMB package and 24 V rating, but lower 600 W PPPM (vs. 1000 W); uses different die construction. | Limited to lower-energy transients (e.g., IEC 61000-4-5 Level 3); not suitable for automotive load dump. | Select SMB10J24A-M3/5B when 1000 W surge immunity is required; choose SMBJ24A-M3/5B only for cost-sensitive, non-automotive designs. |
| SMCJ24A-M3/5B | Same 24 V rating but in larger SMC (DO-214AB) package; rated for 1500 W PPPM and higher IPPM (43.3 A). | Requires more PCB area; better suited for primary front-end protection where space allows. | Choose SMB10J24A-M3/5B for space-constrained 24 V nodes needing 1000 W; use SMCJ24A-M3/5B where higher surge margin justifies larger footprint. |
Compared with SMBJ24A-M3/5B and SMCJ24A-M3/5B, SMB10J24A-M3/5B uniquely balances 1000 W surge capability with SMB footprint - making it optimal for automotive and industrial 24 V modules where board area and AEC-Q101 compliance are both critical.
Availability
SMB10J24A-M3/5B is available at Aetrix Electronics and suitable for automotive electronic control units, industrial programmable logic controllers, telecom power feeding systems, and consumer appliance motor drives requiring stable component supply and AEC-Q101 assurance.
Supply support for SMB10J24A-M3/5B 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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, power density, and automotive qualification.
The SMB10JxxA series belongs to Vishay's high-power-density TRANSZORB® TVS family, engineered specifically for robust transient suppression in harsh automotive and industrial environments where space, surge margin, and qualification rigor are non-negotiable.
FAQ
What is the clamping voltage of SMB10J24A-M3/5B at its rated peak pulse current?
The SMB10J24A-M3/5B has a maximum clamping voltage (VC) of 38.9 V at its rated peak pulse current of 25.7 A (10/1000 µs waveform). This value is measured under standardized test conditions and defines the upper voltage limit imposed on protected circuitry during a full-rated surge event. The SMB10J24A-M3/5B achieves this clamping performance while maintaining low incremental surge resistance, ensuring predictable protection behavior across temperature and lifetime.
Is SMB10J24A-M3/5B qualified for automotive applications?
Yes, SMB10J24A-M3/5B is AEC-Q101 qualified, as confirmed by Vishay's official documentation and ordering code suffix "M3" with automotive-grade screening. This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and ESD, validating its suitability for under-hood and chassis-mounted automotive electronics. The SMB10J24A-M3/5B meets these requirements without requiring additional suffixes like HE3 or HM3 - the M3 variant itself carries full AEC-Q101 certification per Vishay document 88422.
What does the "M3/5B" suffix indicate in SMB10J24A-M3/5B?
The "M3" suffix denotes halogen-free, RoHS-compliant construction with JESD 201 Class 2 whisker resistance, while "/5B" specifies packaging in 13-inch diameter plastic tape and reel containing 3200 units. This format ensures compatibility with high-speed pick-and-place machines and satisfies environmental compliance mandates for automotive and industrial OEMs. The SMB10J24A-M3/5B is not a sample or evaluation variant - it is the standard production orderable part meeting all electrical, thermal, and mechanical specifications in the datasheet.
How does SMB10J24A-M3/5B differ from SMBJ24A-M3/5B?
SMB10J24A-M3/5B delivers 1000 W peak pulse power (PPPM) versus 600 W for SMBJ24A-M3/5B, due to optimized die geometry and thermal design. Both share the same SMB package and 24 V rating, but SMB10J24A-M3/5B sustains higher surge currents (25.7 A vs. 15.4 A) and exhibits lower clamping voltage rise under identical test conditions. The SMB10J24A-M3/5B is therefore specified for demanding applications like automotive load dump, where SMBJ24A-M3/5B would be insufficient.
What is the maximum operating junction temperature for SMB10J24A-M3/5B?
The SMB10J24A-M3/5B has a maximum operating junction temperature (TJ) of +150 °C, as specified in Vishay document 88422. This rating applies under steady-state and pulsed conditions, supported by a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W and junction-to-lead resistance (RθJL) of 20 °C/W. Engineers must ensure PCB layout provides adequate copper area (minimum 0.2" × 0.2" per terminal) to maintain SMB10J24A-M3/5B within this thermal limit during repeated surge events.
SMB10J24A-M3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 24V
- Voltage - Breakdown (Min):
- 26.7V
- Voltage - Clamping (Max) @ Ipp:
- 38.9V
- Current - Peak Pulse (10/1000µs):
- 25.7A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
SMB10J24A-M3/5B FAQ
1.How can I place an order for SMB10J24A-M3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J24A-M3/5B 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 SMB10J24A-M3/5B reliable?
The price and inventory of SMB10J24A-M3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J24A-M3/5B is usually 5 days.
3.What payment methods are accepted for SMB10J24A-M3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J24A-M3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J24A-M3/5B?
SMB10J24A-M3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J24A-M3/5B 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 SMB10J24A-M3/5B?
For technical support, including SMB10J24A-M3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J24A-M3/5B requirements.
6.How does Aetrix verify that SMB10J24A-M3/5B is sourced from the original manufacturer or authorized distributors?
All SMB10J24A-M3/5B 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 SMB10J24A-M3/5B meets industry standards.
7.What is the process for return or replacement of SMB10J24A-M3/5B?
All SMB10J24A-M3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J24A-M3/5B, 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 SMB10J24A-M3/5B part is unused and in its original packaging.
Return procedure for SMB10J24A-M3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J24A-M3/5B Tags
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