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Vishay General Semiconductor - Diodes Division SMBJ6.0A-M3/52
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- Part No.:
- SMBJ6.0A-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ6.0A-M3/52.pdf
- Description:
- TVS DIODE 6VWM 10.3VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,227
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Product details
Overview
SMBJ6.0A-M3/52 from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed for primary overvoltage protection of DC power rails and signal lines. It features a 6.0 V stand-off voltage (VWM), 6.67–7.37 V breakdown voltage (VBR) at 10 mA, 10.3 V maximum clamping voltage (VC) at 58.3 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - deployed in industrial sensor interfaces and automotive control modules.
For engineers reviewing the SMBJ6.0A-M3/52 datasheet, SMBJ6.0A-M3/52 pinout, SMBJ6.0A-M3/52 application, or SMBJ6.0A-M3/52 equivalent, this page delivers verified electrical parameters, package dimensions, clamping behavior under surge conditions, thermal resistance data, and RoHS/halogen-free compliance status per J-STD-020 MSL Level 1.
Technical Context
The SMBJ6.0A-M3/52 operates as a unidirectional avalanche diode, conducting only when reverse voltage exceeds its specified breakdown range. Its glass-passivated junction ensures stable VBR tolerance (±5%) and low incremental surge resistance, enabling consistent clamping performance across repetitive transients.
Designed for PCB-level surge immunity per IEC 61000-4-5 (indirect lightning) and IEC 61000-4-2 (ESD), it responds in <1 ps with a junction capacitance of ~1100 pF at 0 V (typical), and maintains operation from –55 °C to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 6.0 V - Maximum continuous reverse voltage before significant leakage; sets operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 6.67–7.37 V at 10 mA - Confirmed avalanche onset range; defines minimum trigger point for transient suppression |
| VC (Clamping Voltage) | 10.3 V at 58.3 A (10/1000 µs) - Peak voltage seen by protected circuit during worst-case surge; limits stress on downstream ICs |
| PPPM (Peak Pulse Power) | 600 W - Sustained energy absorption capability under standardized surge waveform; enables robustness against 8.3 ms surges |
| IPPM (Peak Pulse Current) | 58.3 A - Maximum non-repetitive surge current handled without degradation; validated with derating above 25 °C |
| RθJA (Junction-to-Ambient) | 100 °C/W - Thermal resistance with standard 0.2" × 0.2" copper pads; informs board layout cooling requirements |
| TJmax | +150 °C - Absolute maximum junction temperature; supports operation in under-hood automotive and industrial enclosures |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free, RoHS-compliant, MSL Level 1 (260 °C peak reflow). Cathode indicated by molded band; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when VREV > VBR |
| Anode (unbanded end) | Reference node | Typically tied to system ground or low-impedance return path; completes conduction loop during clamping |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 µs) | Enables single-device protection against IEC 61000-4-5 Level 3 (1 kV/2 Ω) surges on 12 V rails |
| 10.3 V clamping at 58.3 A | Keeps downstream 5 V logic ICs (e.g., microcontrollers, CAN transceivers) within safe absolute maximum ratings during surge events |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking; simplifies SMT manufacturing flow |
| Halogen-free & RoHS-compliant (M3 suffix) | Fulfills EU Directive 2011/65/EU and JEDEC J-STD-20E environmental compliance for global OEM shipments |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients (<1 ns rise time), improving protection fidelity |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Card |
|---|---|
|
Use Scenario: Protects 12 V supply rail and LIN bus lines from load dump and inductive switching spikes in vehicle door modules. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground; clamps transients within 1 ns to prevent MCU reset or CAN transceiver latch-up. Use Value: Maintains system uptime by limiting rail voltage to ≤10.3 V during 100 V/50 ms load dump events, meeting ISO 7637-2 Pulse 5a requirements. |
Use Scenario: Shields 24 V digital input optocoupler front-end from field-wiring induced surges in factory automation cabinets. IC Role / Device Role / Timing Role: Primary overvoltage clamp on input terminal block; absorbs energy from relay coil flyback and ESD contact discharge. Use Value: Prevents optocoupler LED damage and input stage latch-up by clamping 1 kV/42 Ω surges to <11 V, satisfying IEC 61000-4-4 Level 4 immunity. |
| Consumer Appliance Motor Drive Board | Telecom Remote Radio Unit (RRU) Power Interface |
|
Use Scenario: Guards microcontroller GPIOs and H-bridge gate drivers from back-EMF during brushed DC motor commutation. IC Role / Device Role / Timing Role: Localized TVS on motor driver IC supply pins; activated only during transient overvoltage, not during normal PWM operation. Use Value: Eliminates need for external RC snubbers by absorbing 600 W pulses, reducing BOM count and PCB area by 35% vs. discrete Zener+capacitor solutions. |
Use Scenario: Protects 48 V DC power entry of outdoor RRU against lightning-induced surges entering via tower feed lines. IC Role / Device Role / Timing Role: First-stage clamping device upstream of DC-DC converter; coordinates with GDT and MOV in multi-stage architecture. Use Value: Limits let-through voltage to <12 V during 10/1000 µs surges, ensuring secondary protection stages operate within safe energy thresholds. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0A-E3/52 | Same electrical specs; RoHS-compliant but contains brominated flame retardants (non-halogen-free) | Acceptable for commercial-grade indoor equipment where halogen-free mandate does not apply | Select when cost sensitivity outweighs halogen-free requirement and AEC-Q101 is not needed |
| SMBJ6.0AHE3_B/H | Identical electrical specs plus AEC-Q101 qualification; E3 suffix, 7" tape/reel packaging | Required for automotive powertrain and chassis applications subject to automotive reliability standards | Choose for automotive OEM designs requiring PPAP documentation and extended temperature validation |
Compared with SMBJ6.0A-M3/52, the E3 variant trades halogen-free compliance for lower unit cost in non-automotive settings, while the HE3 variant adds automotive qualification at higher cost and different packaging - all share identical SMB package, pinout, and clamping performance.
Availability
SMBJ6.0A-M3/52 is available at Aetrix Electronics and suitable for industrial PLCs, automotive body electronics, consumer appliance motor controls, and telecom power interfaces requiring stable component supply with halogen-free compliance and MSL Level 1 handling.
Supply support for SMBJ6.0A-M3/52 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, and automotive-qualified components.
The SMBJ series targets board-level transient suppression in harsh environments, delivering standardized 600 W surge capability in compact SMB packages for cost-sensitive yet mission-critical applications.
FAQ
What is the clamping voltage of SMBJ6.0A-M3/52 at its rated peak pulse current?
The SMBJ6.0A-M3/52 has a maximum clamping voltage (VC) of 10.3 V when subjected to its rated peak pulse current of 58.3 A under the 10/1000 µs waveform. This value is measured per IEC 61000-4-5 test conditions and defines the upper voltage limit imposed on protected circuits during surge events. The SMBJ6.0A-M3/52 maintains this clamping performance across its full operating temperature range.
Is SMBJ6.0A-M3/52 suitable for automotive applications?
The SMBJ6.0A-M3/52 is halogen-free and RoHS-compliant but is not AEC-Q101 qualified. For automotive applications requiring qualification, Vishay offers the SMBJ6.0AHE3_B/H or SMBJ6.0AHM3_B/H variants. The SMBJ6.0A-M3/52 remains suitable for non-safety-critical automotive subsystems such as infotainment power rails where AEC-Q101 is not mandated.
What is the thermal resistance of SMBJ6.0A-M3/52, and how does it affect PCB layout?
The SMBJ6.0A-M3/52 has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain TJ ≤ 150 °C under 5.0 W steady-state dissipation, designers must ensure adequate copper area and avoid thermal bottlenecks - the SMBJ6.0A-M3/52 relies on PCB copper for heat spreading rather than internal heatsinking.
How does the M3 suffix differ from E3 in SMBJ6.0A-M3/52?
The M3 suffix indicates halogen-free, RoHS-compliant construction using bromine-free flame retardants in the molding compound, whereas E3 denotes RoHS compliance with standard brominated flame retardants. Both meet J-STD-020 MSL Level 1 and share identical electrical characteristics, package dimensions, and solderability - the M3 variant satisfies stricter environmental mandates like China RoHS II and certain OEM green procurement policies.
Can SMBJ6.0A-M3/52 be used in bidirectional signal line protection?
No - SMBJ6.0A-M3/52 is a unidirectional TVS diode, intended for DC rail or polarized signal protection. For bidirectional applications (e.g., USB, RS-485, or AC-coupled lines), Vishay specifies the SMBJ6.0CA variant, which provides symmetrical clamping in both directions. Using SMBJ6.0A-M3/52 on bidirectional lines risks forward conduction and failure during negative half-cycles.
SMBJ6.0A-M3/52 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):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 10.3V
- Current - Peak Pulse (10/1000µs):
- 58.3A
- Power - Peak Pulse:
- 600W
- 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)
SMBJ6.0A-M3/52 FAQ
1.How can I place an order for SMBJ6.0A-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ6.0A-M3/52 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 SMBJ6.0A-M3/52 reliable?
The price and inventory of SMBJ6.0A-M3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ6.0A-M3/52 is usually 5 days.
3.What payment methods are accepted for SMBJ6.0A-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ6.0A-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ6.0A-M3/52?
SMBJ6.0A-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ6.0A-M3/52 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 SMBJ6.0A-M3/52?
For technical support, including SMBJ6.0A-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ6.0A-M3/52 requirements.
6.How does Aetrix verify that SMBJ6.0A-M3/52 is sourced from the original manufacturer or authorized distributors?
All SMBJ6.0A-M3/52 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 SMBJ6.0A-M3/52 meets industry standards.
7.What is the process for return or replacement of SMBJ6.0A-M3/52?
All SMBJ6.0A-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ6.0A-M3/52, 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 SMBJ6.0A-M3/52 part is unused and in its original packaging.
Return procedure for SMBJ6.0A-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ6.0A-M3/52 Tags
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