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Vishay General Semiconductor - Diodes Division SMCJ13A-M3/57T
- Part No.:
- SMCJ13A-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ13A-M3/57T.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,990
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Product details
Overview
SMCJ13A-M3/57T 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 13 V stand-off voltage (VWM), 21.5 V maximum clamping voltage (VC) at 69.8 A peak pulse current (IPPM), and 1500 W peak pulse power (10/1000 µs waveform), commonly deployed in automotive power supply inputs and industrial sensor interface circuits.
For engineers reviewing the SMCJ13A-M3/57T datasheet, SMCJ13A-M3/57T pinout, SMCJ13A-M3/57T application, or SMCJ13A-M3/57T equivalent, key selection criteria include its 14.4–15.9 V breakdown voltage range (VBR), 1.0 µA max reverse leakage at VWM, halogen-free RoHS-compliant construction (M3 suffix), and AEC-Q101 qualification readiness via HM3 variants.
Technical Context
The SMCJ13A-M3/57T operates as a silicon avalanche diode with glass-passivated junction, delivering sub-nanosecond response to transients. Its unidirectional polarity-marked by cathode band-enables precise placement in DC-biased protection paths, and its low incremental surge resistance ensures stable clamping under repetitive surge stress.
Thermal performance is defined by RθJA = 75 °C/W (typ.) and RθJL = 15 °C/W (typ.), supporting reliable operation up to TJ = +150 °C. The device meets J-STD-020 MSL Level 1 and is rated for 200 A non-repetitive forward surge (8.3 ms half-sine), making it suitable for high-energy inductive switching environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins; sets upper limit for protected circuit DC bias. |
| VBR (min/max) | 14.4 V / 15.9 V - Breakdown occurs within this range at 1.0 mA test current; defines minimum overvoltage threshold for activation. |
| VC @ IPPM | 21.5 V - Clamped voltage during 69.8 A 10/1000 µs surge; determines worst-case voltage seen by downstream ICs. |
| PPPM | 1500 W - Peak transient power handling capability; enables protection against ISO 7637-2 Pulse 1/2a/5a-level surges in automotive systems. |
| IPPM | 69.8 A - Maximum non-repetitive surge current supported at VC; correlates directly with energy absorption (E ≈ ½ × VC × IPPM × tp). |
| TJ max | +150 °C - Maximum junction temperature; allows operation in under-hood automotive or high-ambient industrial enclosures. |
| Leakage @ VWM | ≤1.0 µA - Low reverse leakage preserves efficiency in battery-powered or low-quiescent-current systems. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, halogen-free, RoHS-compliant (M3 suffix), matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Polarity indicated by cathode band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., GND or return path); conducts during forward surge events (e.g., reverse polarity misconnection). |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 12 V rail); avalanches into conduction when reverse voltage exceeds VBR, shunting surge to ground. |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SMC package | Enables automated pick-and-place assembly and fits tight board spaces (< 3.2 mm height), reducing layout footprint vs. SMB/SMA alternatives. |
| Glass-passivated junction | Ensures long-term reliability and stable VBR performance across temperature and humidity stress, critical for automotive life-cycle requirements. |
| 1500 W peak pulse rating | Provides immunity to high-energy transients such as load dump (ISO 16750-2) and inductive kickback without derating in standard PCB layouts. |
| MSL Level 1 moisture sensitivity | Eliminates bake-out requirement prior to reflow, simplifying manufacturing and reducing process risk for high-volume production. |
| AEC-Q101 qualification path | Base M3 variant supports qualification-ready derivatives (HM3 suffix), enabling seamless transition to automotive-grade supply chains. |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and jump-start transients per ISO 16750-2. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and input filter capacitor, clamping surges above 15.9 V. Use Value: Limits voltage seen by downstream LDOs and microcontrollers to ≤21.5 V during 69.8 A transients, preventing latch-up or gate oxide damage. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors from ESD and cable discharge events in factory automation. IC Role / Device Role / Timing Role: TVS connected between sensor output line and ground, with minimal capacitance (<100 pF) to avoid signal distortion. Use Value: Clamps ±8 kV contact ESD (IEC 61000-4-2) to <22 V within <1 ns, preserving 12-bit ADC accuracy and avoiding system resets. |
| DC Motor Drive Power Stage Protection | Telecom Power Supply Surge Suppression |
|
Use Scenario: Safeguarding H-bridge MOSFET gates and bootstrap circuits from inductive flyback spikes during PWM commutation. IC Role / Device Role / Timing Role: TVS mounted at motor driver IC power pins, absorbing 10/1000 µs surges induced by rapid current interruption. Use Value: Absorbs up to 1500 W transient energy without degradation, maintaining gate drive integrity and preventing shoot-through failures. |
Use Scenario: Secondary-side overvoltage suppression in PoE-powered network switches exposed to lightning-induced surges on Ethernet lines. IC Role / Device Role / Timing Role: Unidirectional TVS on 48 V DC output rail, coordinated with primary-side MOVs to meet UL 60950-1 surge withstand requirements. Use Value: Delivers 21.5 V clamping at 69.8 A, ensuring downstream PMICs and PHYs remain within absolute maximum ratings during 1.2/50 µs transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC13.TCT | Lower PPPM (600 W), smaller SMA package, higher VC (24 V), no AEC-Q101 path | Better suited for space-constrained consumer electronics with lower surge exposure (IEC 61000-4-5 Level 3) | Select SAC13.TCT only if board area is critical and surge energy is ≤600 W; not recommended for automotive or industrial 1500 W requirements. |
| 1.5SMC13A-E3/57T | Same electrical specs (VWM, VBR, VC, PPPM), identical SMC package, but E3 (non-halogen-free) RoHS version | Compatible in all functional and mechanical aspects except halogen content compliance | Choose 1.5SMC13A-E3/57T where halogen-free mandate does not apply; otherwise SMCJ13A-M3/57T satisfies stricter environmental standards. |
Compared with SAC13.TCT and 1.5SMC13A-E3/57T, the SMCJ13A-M3/57T uniquely combines 1500 W surge capacity, halogen-free compliance, and AEC-Q101 qualification readiness-making it the preferred choice for high-reliability automotive and industrial designs requiring full regulatory alignment.
Availability
SMCJ13A-M3/57T is available at Aetrix Electronics and suitable for automotive ECU power inputs, industrial sensor interfaces, DC motor drive protection, and telecom power supply surge suppression requiring stable component supply and long-term manufacturability.
Supply support for SMCJ13A-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, precision, and automotive-grade 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-where consistent clamping performance and long-term stability are mandatory.
FAQ
What is the breakdown voltage range of the SMCJ13A-M3/57T?
The SMCJ13A-M3/57T has a guaranteed breakdown voltage (VBR) range of 14.4 V to 15.9 V at 1.0 mA test current, measured per ANSI/IEEE C62.35. This range ensures predictable turn-on behavior across production lots and temperature extremes, and is confirmed in the Vishay datasheet revision 09-Jan-2024 (Document Number: 88394). The SMCJ13A-M3/57T must be selected with this window in mind when designing margin around system overvoltage thresholds.
Does the SMCJ13A-M3/57T have AEC-Q101 qualification?
The SMCJ13A-M3/57T itself is not AEC-Q101 qualified, but it belongs to the SMCJ family that offers AEC-Q101 variants under the HM3 suffix (e.g., SMCJ13AHM3_X). The M3 suffix indicates halogen-free, RoHS-compliant commercial grade construction with JESD 201 Class 2 whisker resistance. For automotive applications requiring formal qualification, engineers should specify the HM3 variant-not the M3-while retaining identical electrical and mechanical characteristics. The SMCJ13A-M3/57T serves as the baseline for qualification-ready derivatives.
What is the maximum clamping voltage of the SMCJ13A-M3/57T at its rated surge current?
The SMCJ13A-M3/57T exhibits a maximum clamping voltage (VC) of 21.5 V when subjected to its rated 10/1000 µs peak pulse current of 69.8 A. This value is measured under standardized conditions (mounted on 8.0 mm × 8.0 mm copper pads per terminal) and represents the worst-case voltage imposed on protected circuitry during surge events. This clamping performance is integral to the SMCJ13A-M3/57T's ability to safeguard sensitive components like microcontrollers and analog front-ends without exceeding their absolute maximum ratings.
Can the SMCJ13A-M3/57T be used in bidirectional configurations?
No-the SMCJ13A-M3/57T is strictly a unidirectional TVS diode, as indicated by its "A" suffix and cathode band marking. Bidirectional operation requires the "CA" suffix (e.g., SMCJ13CA), which features symmetrical breakdown in both polarities. Using the SMCJ13A-M3/57T in reverse-biased AC or floating signal paths will result in forward conduction and potential failure. Always verify polarity alignment during layout; the SMCJ13A-M3/57T must be oriented with cathode toward the protected line and anode toward ground or lower potential.
What is the thermal resistance from junction to ambient for the SMCJ13A-M3/57T?
The typical junction-to-ambient thermal resistance (RθJA) of the SMCJ13A-M3/57T is 75 °C/W under standard mounting conditions (0.31″ × 0.31″ copper pads per terminal). This value governs temperature rise during sustained power dissipation and is critical for derating calculations in high-ambient environments. Since the SMCJ13A-M3/57T is rated for 6.5 W steady-state power dissipation at TA = 50 °C, its junction temperature under continuous DC stress can be estimated as TJ = TA + (PD × RθJA). The SMCJ13A-M3/57T remains within safe operating limits up to +150 °C junction temperature.
SMCJ13A-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):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 69.8A
- 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)
SMCJ13A-M3/57T FAQ
1.How can I place an order for SMCJ13A-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ13A-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 SMCJ13A-M3/57T reliable?
The price and inventory of SMCJ13A-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 SMCJ13A-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ13A-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ13A-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ13A-M3/57T?
SMCJ13A-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ13A-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 SMCJ13A-M3/57T?
For technical support, including SMCJ13A-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ13A-M3/57T requirements.
6.How does Aetrix verify that SMCJ13A-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ13A-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 SMCJ13A-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ13A-M3/57T?
All SMCJ13A-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ13A-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 SMCJ13A-M3/57T part is unused and in its original packaging.
Return procedure for SMCJ13A-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ13A-M3/57T Tags
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