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Vishay General Semiconductor - Diodes Division SMCJ60A-M3/57T
- Part No.:
- SMCJ60A-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60A-M3/57T.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMCJ60A-M3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed to protect sensitive electronics against voltage transients induced by inductive load switching and lightning surges. 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 dissipation (PPPM) with 10/1000 µs waveform.
For engineers reviewing the SMCJ60A-M3/57T datasheet, SMCJ60A-M3/57T pinout, SMCJ60A-M3/57T application, or SMCJ60A-M3/57T equivalent, key selection considerations include its unidirectional polarity, halogen-free RoHS-compliant construction (M3 suffix), 150 °C max junction temperature, and suitability for automotive-grade designs when ordered with HM3 suffix variants.
Technical Context
The SMCJ60A-M3/57T operates as a silicon avalanche diode with glass-passivated junction, delivering fast response time (<1 ns) and low incremental surge resistance to clamp transient overvoltages before they damage downstream ICs or MOSFETs. Its unidirectional configuration requires cathode-band orientation during PCB layout, and it complies with MSL level 1 per J-STD-020 with 260 °C reflow peak.
Thermal performance is defined by 75 °C/W junction-to-ambient thermal resistance (RθJA) on standard 8.0 mm × 8.0 mm copper pads and 15 °C/W junction-to-lead (RθJL). It supports repetitive surge events only within derated limits above TA = 25 °C per Fig. 2 of the datasheet, and is rated for -55 °C to +150 °C operating junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - Maximum continuous reverse working voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (min/max) | 66.7 V / 73.7 V at IT = 1 mA - Confirmed breakdown threshold range; ensures reliable turn-on under transient stress. |
| VC @ IPPM | 96.8 V at 15.5 A - Clamped voltage seen by protected circuit during 10/1000 µs surge; determines maximum stress on downstream components. |
| PPPM | 1500 W - Peak transient energy handling capability; enables protection against high-energy surges like ISO 7637-2 Pulse 5a. |
| ID @ VWM | 1.0 µA - Reverse leakage at rated stand-off voltage; low value minimizes standby power loss and signal integrity impact. |
| TJ max. | +150 °C - Maximum junction temperature rating; supports operation in under-hood automotive or industrial environments. |
| Package | SMC (DO-214AB) - Standardized surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height; compatible with automated pick-and-place. |
Pinout & Package
SMCJ60A-M3/57T uses the SMC (DO-214AB) package: a rectangular, molded plastic case with two coplanar matte tin-plated leads, cathode identified by a band on the body. Mounting requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal for full 1500 W rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to ground or low-side reference in unidirectional TVS configuration. | Provides return path during clamping; must be routed with low-inductance trace to minimize voltage overshoot. |
| Cathode | Current exit point in forward bias; marked by band; connected to protected line (e.g., power rail or signal). | Defines polarity-sensitive placement; reversal causes open-circuit failure under surge conditions. |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free, RoHS-compliant construction (M3 suffix) | Meets environmental compliance requirements for industrial and automotive supply chains without compromising surge robustness. |
| 1500 W peak pulse power (10/1000 µs) | Enables single-device protection against high-energy transients such as load dump or EFT bursts in 12 V/24 V systems. |
| Low clamping ratio (VC/VBR ≈ 1.42) | Minimizes overvoltage exposure to protected ICs-critical for safeguarding 3.3 V or 5 V logic interfaces. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and standard reflow without baking; reduces manufacturing overhead and risk of popcorning. |
| AEC-Q101 qualification available (HM3 variant) | Validates reliability for automotive applications including infotainment power rails and sensor signal lines. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients (ISO 16750-2) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground, clamping surges within nanoseconds. Use Value: Limits voltage to ≤96.8 V during 15.5 A surge, preventing damage to LDOs, microcontrollers, and CAN transceivers. |
Use Scenario: Shielding analog output lines of pressure or temperature sensors in factory automation PLC modules. IC Role / Device Role / Timing Role: TVS mounted at connector entry point to shunt ESD (IEC 61000-4-2) and cable discharge events. Use Value: Sub-1 ns response and 1.0 µA leakage preserve signal fidelity while surviving ±15 kV contact discharge. |
| Telecom DC Power Input Protection | Consumer Device USB VBUS Line Protection |
|
Use Scenario: Safeguarding PoE-powered switches and base stations against lightning-induced surges on 48 V DC inputs. IC Role / Device Role / Timing Role: Primary overvoltage clamp upstream of DC-DC converters and hot-swap controllers. Use Value: 1500 W rating handles multi-kA induced surges; 60 V VWM aligns with 48 V nominal telecom systems with 20 % tolerance. |
Use Scenario: Adding secondary surge immunity to USB-C VBUS lines in portable monitors and docking stations. IC Role / Device Role / Timing Role: Unidirectional TVS placed after USB PD controller to limit fault voltage during adapter misconnection. Use Value: 96.8 V clamping prevents latch-up in buck converters and protects USB PD policy engines from overvoltage lockout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60A-E3/57T | Lower PPPM (400 W), smaller SMA package (DO-214AC), higher RθJA (125 °C/W), same VWM/VBR/VC ratings. | Limited to lower-energy transients (e.g., IEC 61000-4-5 Level 2); unsuitable for load dump or high-current surge scenarios. | Select when board space is constrained and surge threat level is moderate (e.g., consumer USB ports). |
| SMCJ60CA-M3/57T | Bidirectional version; identical VWM (60 V), VBR (66.7–73.7 V), VC (96.8 V), and PPPM (1500 W); no polarity marking. | Required for AC-coupled or differential signal lines (e.g., RS-485, CAN bus) where voltage polarity reverses. | Choose for symmetric surge protection needs; not interchangeable without verifying circuit polarity and grounding scheme. |
Compared with SMAJ60A-E3/57T, SMCJ60A-M3/57T delivers 3.75× higher surge energy handling in the same mounting footprint class; versus SMCJ60CA-M3/57T, it offers lower cost and simpler layout for DC-biased rails but lacks bidirectional clamping capability.
Availability
SMCJ60A-M3/57T is available at Aetrix Electronics and suitable for automotive power rail protection, industrial sensor interface hardening, and telecom DC input surge suppression requiring stable component supply, halogen-free compliance, and AEC-Q101-ready sourcing paths.
Supply support for SMCJ60A-M3/57T 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, efficiency, and application-specific optimization.
The SMCJ series is engineered for high-energy transient suppression in harsh environments-including automotive, industrial, and telecom-delivering consistent clamping performance across temperature and lifetime.
FAQ
What is the maximum clamping voltage of the SMCJ60A-M3/57T under a 10/1000 µs surge?
The SMCJ60A-M3/57T has a maximum clamping voltage (VC) of 96.8 V at 15.5 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and reflects the highest voltage imposed on the protected circuit during worst-case surge conditions. The SMCJ60A-M3/57T maintains this clamping performance across its specified operating temperature range when mounted on recommended 8.0 mm × 8.0 mm copper pads.
Is the SMCJ60A-M3/57T suitable for automotive applications?
The SMCJ60A-M3/57T itself is commercial-grade (M3 suffix), but Vishay offers the AEC-Q101 qualified variant SMCJ60A-HM3/57T with identical electrical specs and enhanced reliability testing. For non-automotive use, the SMCJ60A-M3/57T remains valid in under-hood-adjacent industrial systems due to its 150 °C TJ max and MSL Level 1 rating. Always verify qualification status via the full ordering code before deployment in automotive safety-critical subsystems.
How does the SMCJ60A-M3/57T differ from the SMCJ60CA-M3/57T?
The SMCJ60A-M3/57T is unidirectional, with cathode marked by a band and intended for DC-biased lines like power rails; the SMCJ60CA-M3/57T is bidirectional, unmarked, and suited for AC or differential signals such as CAN or RS-485. Both share identical VWM (60 V), VBR (66.7–73.7 V), VC (96.8 V), and PPPM (1500 W), but their polarity behavior and circuit integration requirements differ fundamentally. The SMCJ60A-M3/57T cannot substitute for the CA version without redesigning grounding and biasing.
What is the thermal resistance of the SMCJ60A-M3/57T, and how does it affect layout?
The SMCJ60A-M3/57T 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 lead, and 15 °C/W junction-to-lead (RθJL). To sustain full 1500 W surge capability, PCB layout must replicate this pad area and ensure minimal thermal via count and copper thickness. Reducing pad size increases RθJA, derating both surge current and steady-state power dissipation-refer to Fig. 2 in the datasheet for precise derating curves.
Does the SMCJ60A-M3/57T require special handling during reflow soldering?
No special handling is required: the SMCJ60A-M3/57T is rated MSL Level 1 per J-STD-020, meaning it has unlimited floor life and withstands peak reflow temperatures up to 260 °C without baking. Its matte tin-plated leads comply with J-STD-002 and JESD 22-B102 for solderability, and it passes JESD 201 Class 2 whisker testing. Standard lead-free reflow profiles apply-no prebake, dry pack, or humidity-controlled storage is needed.
SMCJ60A-M3/57T 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-M3/57T FAQ
1.How can I place an order for SMCJ60A-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60A-M3/57T 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-M3/57T reliable?
The price and inventory of SMCJ60A-M3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ60A-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ60A-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60A-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60A-M3/57T?
SMCJ60A-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60A-M3/57T 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-M3/57T?
For technical support, including SMCJ60A-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60A-M3/57T requirements.
6.How does Aetrix verify that SMCJ60A-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ60A-M3/57T 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-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ60A-M3/57T?
All SMCJ60A-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60A-M3/57T, 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-M3/57T part is unused and in its original packaging.
Return procedure for SMCJ60A-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60A-M3/57T Tags
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