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Vishay General Semiconductor - Diodes Division SMCJ13AHE3/57T
- Part No.:
- SMCJ13AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ13AHE3/57T.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,301
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Product details
Overview
SMCJ13AHE3/57T from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a 13 V standoff voltage (VWM), 21.5 V clamping voltage (VC) at 69.8 A peak pulse current, and 1500 W peak pulse power rating with a 10/1000 μs waveform - deployed in automotive ECUs, industrial motor drives, and telecom power supplies.
For engineers reviewing the SMCJ13AHE3/57T datasheet, SMCJ13AHE3/57T pinout, SMCJ13AHE3/57T application, or SMCJ13AHE3/57T equivalent, key selection criteria include clamping performance under 10/1000 μs surge, AEC-Q101 qualification status, thermal resistance (RθJA = 75 °C/W), and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
The SMCJ13AHE3/57T uses a glass-passivated silicon junction to achieve sub-nanosecond response time and low incremental surge resistance. Its unidirectional polarity enables cathode-referenced clamping on positive-going transients, with breakdown voltage (VBR) specified at 14.4–15.9 V (min/max) at 1.0 mA test current.
Designed per ANSI/IEEE C62.35, it operates across -55 °C to +150 °C junction temperature range and meets J-STD-020 MSL Level 1 (260 °C peak reflow). The device is AEC-Q101 qualified and RoHS-compliant, with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR (min/max) | 14.4 V / 15.9 V at 1.0 mA - ensures reliable breakdown onset within tight tolerance band |
| VC @ IPPM | 21.5 V at 69.8 A - clamping voltage limits protected circuit stress during 10/1000 μs surge |
| PPPM | 1500 W - peak pulse power handling capability defines transient energy absorption capacity |
| ID @ VWM | 1.0 μA - ultra-low leakage preserves efficiency in high-impedance bias networks |
| TJ max. | +150 °C - supports operation in under-hood automotive and industrial environments |
| RθJA | 75 °C/W - thermal resistance determines required PCB copper area for sustained power dissipation |
Pinout & Package
Package: SMC (DO-214AB) - surface-mount, low-profile case with 8.0 mm × 8.0 mm minimum copper pad layout per terminal; meets UL 94 V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Clamping output node | Connected to protected line; conducts during positive transients to shunt current to ground |
| Anode | Reference node | Typically tied to system ground or low-side return path; completes clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, ADAS sensors, and infotainment power rails |
| Glass passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift |
| MSL Level 1 (260 °C) | Enables single-reflow assembly without moisture sensitivity concerns or baking requirements |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ISO 7637-2 Pulse 1/2a/5a) |
| 1500 W peak pulse power | Supports IEC 61000-4-5 Level 4 (4 kV line-to-line, 2 Ω source impedance) compliance |
Applications
| Automotive Power Rail Protection | Industrial Motor Drive Control |
|---|---|
Use Scenario: Protecting 12 V battery-fed microcontroller supply inputs against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS clamps positive transients above 13 V while maintaining <1.0 μA leakage at nominal rail. Use Value: Prevents MCU reset or latch-up during ISO 16750-2 load dump events (up to 35 V, 400 ms) by limiting voltage to ≤21.5 V. |
Use Scenario: Safeguarding gate drivers and current-sense amplifiers in 3-phase inverter stages. IC Role / Device Role / Timing Role: Suppresses switching-induced dv/dt spikes on isolated DC bus monitoring lines. Use Value: Clamps 10/1000 μs surges up to 69.8 A without degradation, preserving signal integrity in ±15 V analog interfaces. |
| Telecom DC Power Input | Consumer Appliance Mainboard |
Use Scenario: Guarding PoE-powered Ethernet switch ports against lightning-induced surges on 48 V input rails. IC Role / Device Role / Timing Role: First-stage clamping device placed upstream of DC-DC converters and hot-swap controllers. Use Value: Absorbs 1500 W transient energy per IEC 61000-4-5, reducing downstream TVS stress and enabling smaller secondary protection. |
Use Scenario: Shielding microcontroller I/O pins and display backlight drivers from ESD and relay coil flyback. IC Role / Device Role / Timing Role: Low-leakage (1.0 μA) unidirectional suppressor on 5 V/3.3 V logic rails with minimal standby current impact. Use Value: Enables direct integration into space-constrained consumer PCBs using standard SMC footprint and reflow profiles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A-E3/61 | Lower PPPM (400 W), SMA package (smaller thermal mass), RθJA = 110 °C/W | Suitable for lower-energy transients (IEC 61000-4-2 ESD only); not rated for ISO 7637-2 or IEC 61000-4-5 | Select when board space is constrained and surge energy does not exceed 400 W peak. |
| SMCJ13CAHE3/57T | Bidirectional variant; identical VWM (13 V), VC (21.5 V), and PPPM (1500 W), but symmetrical clamping | Required for AC-coupled or floating signal lines where polarity reversal occurs (e.g., RS-485, CAN FD) | Choose bidirectional version only if the protected line experiences reversible transients or lacks defined polarity reference. |
Compared with SMAJ13A-E3/61 and SMCJ13CAHE3/57T, the SMCJ13AHE3/57T delivers higher surge robustness in the same SMC footprint and is uniquely AEC-Q101 qualified - making it the preferred choice for automotive and industrial DC rail protection where reliability under repetitive surge stress is critical.
Availability
SMCJ13AHE3/57T is available at Aetrix Electronics and suitable for automotive ECUs, industrial motor drives, and telecom power supplies requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMCJ13AHE3/57T 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, automotive qualification, and high-power handling.
The SMCJ series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications demanding AEC-Q101 compliance and 1500 W surge capability.
FAQ
What is the clamping voltage of the SMCJ13AHE3/57T under a 10/1000 μs surge?
The SMCJ13AHE3/57T has a maximum clamping voltage (VC) of 21.5 V at 69.8 A peak pulse current with a 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and verified under standard test conditions (TA = 25 °C, mounted on 8.0 mm × 8.0 mm copper pads). It defines the upper voltage limit imposed on protected circuits during surge events.
Is the SMCJ13AHE3/57T qualified for automotive use?
Yes, the SMCJ13AHE3/57T is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HE3" and documentation in datasheet 88394 (Revision 09-Jan-2024). This qualification covers stress tests including temperature cycling, humidity bias HAST, and mechanical shock - validating its suitability for under-hood and chassis-mounted automotive electronics.
What is the standoff voltage and leakage current of the SMCJ13AHE3/57T?
The SMCJ13AHE3/57T has a reverse standoff voltage (VWM) of 13 V and a maximum reverse leakage current (ID) of 1.0 μA at that voltage and TA = 25 °C. This low leakage ensures minimal power loss in always-on systems such as automotive body control modules and industrial sensor nodes.
Does the SMCJ13AHE3/57T require special PCB layout considerations?
Yes - the SMCJ13AHE3/57T must be mounted on minimum 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal to achieve rated 1500 W peak pulse power and thermal performance (RθJA = 75 °C/W). Reduced pad area degrades both surge handling and steady-state power dissipation, potentially causing premature failure during repeated transients.
How does the SMCJ13AHE3/57T differ from the bidirectional SMCJ13CAHE3/57T?
The SMCJ13AHE3/57T is unidirectional with cathode marking and clamps only positive transients relative to its anode; the SMCJ13CAHE3/57T is bidirectional, clamping both polarities symmetrically. Both share identical VWM (13 V), VC (21.5 V), and PPPM (1500 W), but the unidirectional version offers lower leakage (1.0 μA vs. 2.0 μA for CA) and is preferred for DC-biased rails.
SMCJ13AHE3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
SMCJ13AHE3/57T FAQ
1.How can I place an order for SMCJ13AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ13AHE3/57T 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 SMCJ13AHE3/57T reliable?
The price and inventory of SMCJ13AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ13AHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ13AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ13AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ13AHE3/57T?
SMCJ13AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ13AHE3/57T 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 SMCJ13AHE3/57T?
For technical support, including SMCJ13AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ13AHE3/57T requirements.
6.How does Aetrix verify that SMCJ13AHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ13AHE3/57T 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 SMCJ13AHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ13AHE3/57T?
All SMCJ13AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ13AHE3/57T, 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 SMCJ13AHE3/57T part is unused and in its original packaging.
Return procedure for SMCJ13AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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