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Vishay General Semiconductor - Diodes Division SMCJ58AHE3/57T
- Part No.:
- SMCJ58AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ58AHE3/57T.pdf
- Description:
- TVS DIODE 58VWM 93.6VC DO214AB
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMCJ58AHE3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection with 58 V stand-off voltage, 93.6 V clamping voltage at 16.0 A peak pulse current, and 1500 W peak pulse power rating. It protects MOSFETs, ICs, and sensor signal lines against inductive switching transients and lightning-induced surges in automotive and industrial power electronics.
For engineers reviewing the SMCJ58AHE3/57T datasheet, SMCJ58AHE3/57T pinout, SMCJ58AHE3/57T application, or SMCJ58AHE3/57T equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 1500 W 10/1000 µs surge capability, low clamping ratio (1.62×VWM), and RoHS-compliant matte tin-plated leads compatible with J-STD-002 soldering standards.
Technical Context
This TVS diode operates as a clamping device triggered by reverse-biased avalanche breakdown above its 58 V stand-off voltage. Its glass-passivated junction ensures stable breakdown characteristics and fast response time (<1 ns), while the SMC package provides low thermal resistance (RθJL = 15 °C/W) for reliable energy dissipation during transient events.
Designed for unidirectional protection only, SMCJ58AHE3/57T features a cathode band marking, 1.0 µA maximum reverse leakage at VWM, and a temperature coefficient of VBR of +0.104 %/°C - enabling predictable performance across -55 °C to +150 °C operating junction range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 58 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 64.4 V / 71.2 V at 1.0 mA - Confirmed breakdown voltage window ensuring reliable turn-on margin |
| VC @ IPPM | 93.6 V at 16.0 A - Clamping voltage under 10/1000 µs surge, limiting downstream voltage stress |
| PPPM | 1500 W - Peak pulse power handling per 10/1000 µs waveform, critical for IEC 61000-4-5 compliance |
| TJ max | +150 °C - Maximum junction temperature enabling use in under-hood automotive environments |
| Package | SMC (DO-214AB) - Standardized surface-mount outline with 8.0 mm × 8.0 mm copper pad thermal requirement |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
Pinout & Package
SMCJ58AHE3/57T uses the industry-standard SMC (DO-214AB) package: molded plastic body with coplanar matte tin-plated leads, 0.305–0.320 inch length, 0.220–0.246 inch width, and cathode band marking on the anode-side end. Mounting requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal per Vishay's thermal derating guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | High-impedance reverse-bias terminal | Connected to protected line; conducts during overvoltage to shunt surge current to ground |
| Anode (non-banded end) | Reference/return path | Typically tied to system ground or low-impedance return plane to complete clamping path |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and chassis applications requiring extended temperature and lifetime reliability |
| Glass passivated junction | Ensures stable VBR tolerance and long-term parameter stability under thermal cycling |
| 1500 W peak pulse rating | Supports robust protection against IEC 61000-4-5 Level 4 (4 kV/2 Ω) surge events |
| Low clamping ratio (1.62×VWM) | Minimizes voltage overshoot during clamping, reducing stress on downstream 60 V-rated components |
| MSL Level 1 (260 °C) | Compatible with standard lead-free reflow profiles without moisture sensitivity concerns |
Applications
| Automotive Power Distribution | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs from load-dump and alternator ripple transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp positive-going surges above 58 V. Use Value: Limits peak rail voltage to ≤93.6 V during 1500 W surges, preventing damage to 60 V-rated DC-DC controllers and CAN transceivers. | Use Scenario: Safeguarding gate drivers and microcontrollers connected to IGBT half-bridges subject to inductive kickback. IC Role / Device Role / Timing Role: Mounted across motor phase inputs to suppress flyback spikes induced by PWM switching. Use Value: Responds in <1 ns to clamp 100 V+ transients, preserving gate oxide integrity and avoiding false triggering of overvoltage protection circuits. |
| Telecom Power Supply Rails | Automotive Sensor Signal Lines |
Use Scenario: Shielding 48 V telecom rectifier outputs from lightning-induced surges entering via AC mains or Ethernet ports. IC Role / Device Role / Timing Role: Primary-level TVS on DC output bus, coordinated with upstream MOVs and downstream polymer PTCs. Use Value: Handles 1500 W single-event surges while maintaining <1 µA leakage at 58 V, minimizing standby power loss in always-on systems. | Use Scenario: Protecting LIN bus or analog sensor inputs (e.g., pressure, temperature) in engine control modules from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance unidirectional TVS placed at connector entry point, referenced to chassis ground. Use Value: Clamps ±30 kV contact ESD per IEC 61000-4-2 with no signal distortion due to minimal junction capacitance (<100 pF at 0 V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ58A-E3/61 | Lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 100 °C/W) | Suitable for space-constrained consumer electronics; insufficient for automotive load-dump duty cycles | Select when board area is critical and surge energy is limited to <400 W |
| 1.5KE58A | Through-hole DO-201 package, same VWM/VC, but lower surge life endurance and no AEC-Q101 qualification | Used in legacy industrial power supplies where automated SMT assembly is not required | Choose for prototyping or low-volume through-hole designs lacking automotive qualification needs |
Compared with SMAJ58A-E3/61 and 1.5KE58A, SMCJ58AHE3/57T delivers 3.75× higher surge power handling, AEC-Q101 validation for automotive deployment, and optimized thermal performance in SMC packaging - making it the preferred choice for production-grade 24 V/48 V systems requiring field-reliable transient immunity.
Availability
SMCJ58AHE3/57T is available at Aetrix Electronics and suitable for automotive power distribution, industrial motor drive inputs, telecom power supply rails, and automotive sensor signal lines requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMCJ58AHE3/57T 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 high-reliability, high-efficiency, and automotive-qualified solutions.
The SMCJ series is engineered specifically for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure applications where robustness, consistency, and AEC-Q101 compliance are mandatory.
FAQ
What is the clamping voltage of SMCJ58AHE3/57T at its rated peak pulse current?
The SMCJ58AHE3/57T has a maximum clamping voltage (VC) of 93.6 V at its rated peak pulse current (IPPM) of 16.0 A under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in Vishay's datasheet revision 09-Jan-2024. The clamping performance ensures downstream components rated for 100 V or higher remain within safe operating limits during surge events. SMCJ58AHE3/57T maintains this specification across its full operating temperature range.
Is SMCJ58AHE3/57T qualified for automotive applications?
Yes, SMCJ58AHE3/57T is AEC-Q101 qualified, as indicated by the "HE3" suffix in its part number. This certification covers stress tests including high-temperature reverse bias (HTRB), temperature cycling, and ESD robustness - validating its suitability for automotive powertrain, body electronics, and ADAS modules. The qualification applies specifically to the SMCJ58AHE3/57T variant, not generic SMCJ58A parts without the HE3 suffix. SMCJ58AHE3/57T meets all requirements defined in the AEC-Q101 standard for discrete semiconductors.
What is the mounting pad layout recommendation for SMCJ58AHE3/57T?
Vishay specifies a minimum 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pad area for each terminal of SMCJ58AHE3/57T to achieve rated thermal performance and surge endurance. These pads must be connected to internal ground/power planes using multiple thermal vias to minimize RθJA. Deviation from this layout reduces peak pulse power capability and accelerates thermal degradation. The SMCJ58AHE3/57T datasheet Figure 2 provides derating curves for elevated ambient temperatures. Proper pad design is essential for SMCJ58AHE3/57T to sustain repeated 1500 W transients.
Does SMCJ58AHE3/57T have bidirectional capability?
No, SMCJ58AHE3/57T is strictly unidirectional. Its part number lacks the "CA" suffix (e.g., SMCJ58CA) that denotes bidirectional variants. The cathode band marking confirms polarity-sensitive installation - it must be oriented with the banded end toward the protected line and the anode toward ground. Attempting to use SMCJ58AHE3/57T for bidirectional protection will result in forward conduction during negative transients and potential device failure. For bidirectional applications, specify SMCJ58CAHE3/57T instead.
What is the maximum reverse leakage current for SMCJ58AHE3/57T at its stand-off voltage?
The maximum reverse leakage current (ID) for SMCJ58AHE3/57T is 1.0 µA at its stand-off voltage (VWM) of 58 V and ambient temperature of 25 °C. This value is specified in the Electrical Characteristics table of the Vishay datasheet (Document Number: 88394). Leakage remains below 10 µA up to 85 °C ambient, supporting low-power always-on systems. The low leakage ensures minimal impact on battery drain in automotive sleep-mode applications where SMCJ58AHE3/57T is commonly deployed.
SMCJ58AHE3/57T 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):
- 58V
- Voltage - Breakdown (Min):
- 64.4V
- Voltage - Clamping (Max) @ Ipp:
- 93.6V
- Current - Peak Pulse (10/1000µs):
- 16A
- 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)
SMCJ58AHE3/57T FAQ
1.How can I place an order for SMCJ58AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ58AHE3/57T 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 SMCJ58AHE3/57T reliable?
The price and inventory of SMCJ58AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ58AHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ58AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ58AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ58AHE3/57T?
SMCJ58AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ58AHE3/57T 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 SMCJ58AHE3/57T?
For technical support, including SMCJ58AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ58AHE3/57T requirements.
6.How does Aetrix verify that SMCJ58AHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ58AHE3/57T 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 SMCJ58AHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ58AHE3/57T?
All SMCJ58AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ58AHE3/57T, 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 SMCJ58AHE3/57T part is unused and in its original packaging.
Return procedure for SMCJ58AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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