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Vishay General Semiconductor - Diodes Division SMCJ60A-M3/9AT
- Part No.:
- SMCJ60A-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60A-M3/9AT.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,551
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Product details
Overview
SMCJ60A-M3/9AT from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 60 V stand-off voltage (VWM), 66.7–73.7 V breakdown voltage (VBR) at 1 mA, 96.8 V maximum clamping voltage (VC) at 15.5 A peak pulse current (IPPM), and 1500 W peak pulse power rating with 10/1000 µs waveform.
For engineers reviewing the SMCJ60A-M3/9AT datasheet, SMCJ60A-M3/9AT pinout, SMCJ60A-M3/9AT application, or SMCJ60A-M3/9AT equivalent, key selection criteria include clamping performance under surge conditions, thermal resistance (RθJA = 75 °C/W), halogen-free RoHS compliance (M3 suffix), and suitability for automotive-grade designs when paired with AEC-Q101 qualified variants.
Technical Context
The SMCJ60A-M3/9AT operates as a unidirectional avalanche diode, conducting only in reverse bias above its breakdown threshold to clamp transient energy. Its glass-passivated junction ensures stable VBR tolerance and low leakage (<1 µA at VWM), while the SMC package supports automated placement and meets UL 94 V-0 flammability rating.
It delivers fast response time (<1 ns), low incremental surge resistance, and is rated for TJ = –55 °C to +150 °C operation. The device is not bidirectional - polarity is marked by a cathode band - and requires no external biasing, functioning solely as a passive crowbar during ESD or lightning-induced surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin |
| VBR min/max | 66.7 V / 73.7 V at IT = 1 mA - tight breakdown window ensures predictable turn-on across temperature and unit variation |
| VC @ IPPM | 96.8 V at 15.5 A - clamping voltage under 10/1000 µs surge; determines protected circuit's maximum transient stress |
| PPPM | 1500 W - peak pulse power handling capability; enables protection against IEC 61000-4-5 Level 4 surges |
| RθJA | 75 °C/W - junction-to-ambient thermal resistance on standard 8 mm × 8 mm copper pads; guides heatsinking requirements |
| Package | SMC (DO-214AB) - industry-standard surface-mount outline with 2.06 mm height and 7.75 mm length; compatible with IPC-7351B footprints |
| Compliance | Halogen-free, RoHS-compliant (M3 suffix); meets JESD201 Class 2 whisker resistance and J-STD-020 MSL Level 1 |
Pinout & Package
SMCJ60A-M3/9AT uses the SMC (DO-214AB) package: a 2-terminal, surface-mount plastic case with cathode band marking. Terminals are matte tin-plated and solderable per J-STD-002 and JESD22-B102. Mounting requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal for rated power derating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient conduction path during overvoltage | Connects to protected line; conducts reverse current to ground when V > VBR |
| Anode | Reference/return node | Typically tied to system ground or low-impedance return path; completes clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Enables single-device protection against high-energy transients such as ISO 7637-2 Pulse 5a (load dump) in 12 V automotive systems |
| 96.8 V clamping at 15.5 A | Limits downstream IC voltage stress to <100 V during 10/1000 µs surges, preserving 100 V-rated MOSFETs and controllers |
| Halogen-free & RoHS-compliant (M3) | Meets environmental compliance mandates for industrial and consumer electronics without compromising surge robustness |
| Low leakage (<1 µA at 60 V) | Minimizes standby power loss in battery-powered applications and avoids false triggering on sensitive analog inputs |
| MSL Level 1, 260 °C reflow compatible | Supports standard lead-free SMT assembly without moisture sensitivity concerns or baking requirements |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients up to 120 V and 400 ms duration. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and input filter capacitor to clamp surges before they reach DC/DC converters and microcontrollers. Use Value: Limits peak voltage to ≤96.8 V during 15.5 A transients, preventing damage to 36 V-input buck regulators and CAN transceivers. | Use Scenario: Shielding 24 V digital input modules in programmable logic controllers from field-wiring induced surges and inductive kickback. IC Role / Device Role / Timing Role: Primary front-end protection element on each isolated input channel, mounted directly at connector entry point. Use Value: Absorbs 1500 W pulses without degradation, maintaining <1 µA leakage to preserve high-impedance sensing accuracy. |
| Telecom DC Power Feeds | Consumer Appliance Motor Control |
Use Scenario: Safeguarding PoE-powered network switches and base stations fed via 48 V DC distribution. IC Role / Device Role / Timing Role: Secondary overvoltage clamp after primary DC/DC stage, protecting Ethernet PHYs and PMICs from cross-talk and lightning-induced spikes. Use Value: Clamps within <1 ns to hold transient overshoot below 100 V, meeting GR-1089-CORE Level 3 telecom surge immunity requirements. | Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Reverse-biased across motor terminals to shunt inductive energy back into the supply rail during PWM switching transitions. Use Value: Handles repetitive 15.5 A surges at 100 kHz PWM frequencies without thermal runaway, thanks to RθJA = 75 °C/W and 150 °C max junction rating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60A-E3/61T | Lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 110 °C/W), RoHS-compliant but not halogen-free | Suitable for space-constrained consumer PCBs with lower surge exposure; not recommended for automotive or industrial 1500 W events | Select when board area is critical and surge threat level is limited to IEC 61000-4-2 ESD only |
| SMCJ60CA-M3/9AT | Bidirectional variant with same VWM (60 V), symmetric clamping in both polarities, identical PPPM and package | Required for AC-coupled signal lines or full-bridge rectifier outputs where reverse polarity transients occur | Choose only if bidirectional protection is mandated; otherwise unidirectional SMCJ60A-M3/9AT offers better cost and layout simplicity |
Compared with SMAJ60A-E3/61T and SMCJ60CA-M3/9AT, the SMCJ60A-M3/9AT uniquely balances 1500 W surge capacity, halogen-free compliance, and unidirectional efficiency - making it optimal for cost-sensitive yet robust DC rail protection in automotive and industrial environments.
Availability
SMCJ60A-M3/9AT is available at Aetrix Electronics and suitable for automotive ECU power conditioning, industrial PLC I/O modules, telecom DC feed protection, and consumer appliance motor drive circuits requiring stable component supply and long-term lifecycle support.
Supply support for SMCJ60A-M3/9AT 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, ruggedness, and application-specific qualification.
The SMCJ series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in harsh environments including automotive, industrial, and telecom infrastructure.
FAQ
What is the maximum clamping voltage of the SMCJ60A-M3/9AT under a 10/1000 µs surge?
The SMCJ60A-M3/9AT has a maximum clamping voltage (VC) of 96.8 V at 15.5 A peak pulse current (IPPM) under a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuitry during standardized surge events. The SMCJ60A-M3/9AT maintains this clamping performance across its full operating temperature range of –55 °C to +150 °C.
Is the SMCJ60A-M3/9AT suitable for automotive applications?
The SMCJ60A-M3/9AT itself is commercial-grade (M3 suffix), not AEC-Q101 qualified. However, Vishay offers the functionally identical SMCJ60A-HM3_X variant - which shares the same electrical specs, SMC package, and halogen-free RoHS compliance - explicitly qualified to AEC-Q101. For automotive use, specify SMCJ60A-HM3_X; the SMCJ60A-M3/9AT remains appropriate for non-automotive industrial or telecom applications requiring the same surge rating.
How does the SMCJ60A-M3/9AT differ from the bidirectional SMCJ60CA-M3/9AT?
The SMCJ60A-M3/9AT is unidirectional, with a cathode band indicating polarity and clamping only during reverse overvoltage. The SMCJ60CA-M3/9AT is bidirectional, offering symmetrical clamping for both positive and negative transients, with identical VWM (60 V), PPPM (1500 W), and SMC package. The SMCJ60A-M3/9AT provides lower leakage and simpler layout for DC rails; the CA version is required for AC signals or floating nodes where polarity reversal occurs.
What is the thermal resistance and how does it affect PCB layout for the SMCJ60A-M3/9AT?
The SMCJ60A-M3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal. To maintain safe operation under repeated surges, PCB layout must provide these minimum pad sizes and avoid excessive trace impedance. Reducing pad area increases RθJA, risking thermal failure during high-duty-cycle transients. The SMCJ60A-M3/9AT does not require a heatsink but relies on adequate copper pour for thermal dissipation.
Can the SMCJ60A-M3/9AT be used in place of older P6KE60A through-hole TVS diodes?
Yes - the SMCJ60A-M3/9AT replaces P6KE60A in surface-mount designs, offering superior surge capability (1500 W vs. 600 W), smaller SMC footprint vs. DO-15, and improved thermal performance (RθJA = 75 °C/W vs. ~100 °C/W). However, direct drop-in replacement requires verifying PCB land pattern compatibility and ensuring the SMCJ60A-M3/9AT's lower leakage (<1 µA) and tighter VBR tolerance meet system requirements. The SMCJ60A-M3/9AT is not pin-compatible due to differing package geometry.
SMCJ60A-M3/9AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 15.5A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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-214AB (SMC)
SMCJ60A-M3/9AT FAQ
1.How can I place an order for SMCJ60A-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60A-M3/9AT 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 SMCJ60A-M3/9AT reliable?
The price and inventory of SMCJ60A-M3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60A-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ60A-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60A-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60A-M3/9AT?
SMCJ60A-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60A-M3/9AT 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 SMCJ60A-M3/9AT?
For technical support, including SMCJ60A-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60A-M3/9AT requirements.
6.How does Aetrix verify that SMCJ60A-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ60A-M3/9AT 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 SMCJ60A-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ60A-M3/9AT?
All SMCJ60A-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60A-M3/9AT, 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 SMCJ60A-M3/9AT part is unused and in its original packaging.
Return procedure for SMCJ60A-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60A-M3/9AT Tags
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