Vishay General Semiconductor - Diodes Division SMCJ58AHE3_A/I
- Part No.:
- SMCJ58AHE3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ58AHE3_A/I.pdf
- Description:
- TVS DIODE 58VWM 93.6VC DO214AB
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SMCJ58AHE3_A/I from Vishay General Semiconductor is a unidirectional 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 58 V standoff voltage (VWM), 64.4–71.2 V breakdown range (VBR at 1 mA), 93.6 V clamping voltage (VC) at 16 A peak pulse current, and 1500 W peak pulse power rating with 10/1000 µs waveform.
For engineers reviewing the SMCJ58AHE3_A/I datasheet, SMCJ58AHE3_A/I pinout, SMCJ58AHE3_A/I application, or SMCJ58AHE3_A/I equivalent, this device serves as a high-energy, AEC-Q101 qualified surge protector for automotive power electronics, industrial sensor interfaces, and telecom line protection where fast response (<1 ns), low clamping ratio, and stable thermal performance up to +150 °C junction temperature are required.
Technical Context
The SMCJ58AHE3_A/I operates as a silicon avalanche diode that enters controlled breakdown above its VWM, limiting transient voltages to ≤93.6 V at 16 A. Its glass-passivated junction ensures stable leakage (<1 µA at 58 V) and repeatable clamping behavior across temperature (-55 to +150 °C).
Designed for surface-mount automated assembly on standard PCB pads (8.0 mm × 8.0 mm copper), it meets MSL Level 1 per J-STD-020, supports 260 °C lead-free reflow, and delivers <0.1 %/°C temperature coefficient of VBR - critical for precision rail protection in automotive ECUs and motor drives.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 58 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC rail margin for 48 V systems. |
| VBR (min/max) | 64.4 V / 71.2 V at 1 mA - Confirmed breakdown threshold range; ensures reliable triggering without premature conduction. |
| VC @ IPPM | 93.6 V at 16 A - Clamped voltage during 10/1000 µs surge; limits downstream IC stress to safe levels. |
| PPPM | 1500 W - Peak pulse power handling capacity; sustains high-energy transients like ISO 7637-2 Pulse 5a. |
| TJ max | +150 °C - Maximum junction temperature; enables operation in under-hood automotive environments. |
| RθJA | 75 °C/W - Thermal resistance junction-to-ambient on standard pad layout; informs derating above 25 °C ambient. |
| Leakage ID | ≤1 µA at 58 V - Low reverse leakage preserves system efficiency and avoids false triggers in high-impedance circuits. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, matte tin-plated leads, polarity indicated by cathode band. Dimensions: 7.75 mm × 6.22 mm × 2.62 mm (L × W × H), compliant with UL 94 V-0.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side connection point | Connected to ground or return path; completes clamping loop when cathode is tied to protected line. |
| Cathode | High-side connection point | Connected to protected line (e.g., 48 V rail); conducts surge current to ground during overvoltage event. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, ADAS sensors, and body electronics per stress test requirements. |
| 1500 W peak pulse power | Withstands high-energy transients such as load dump (ISO 16750-2) and inductive switching spikes without degradation. |
| Fast response time (<1 ns) | Clamps within nanoseconds of surge onset, protecting sensitive gate drivers and microcontrollers before damage occurs. |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for 3.3 V/5 V logic interfaces. |
| MSL Level 1, 260 °C compatible | Supports standard lead-free reflow profiles without moisture-related failure risk during manufacturing. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 48 V battery-fed ECUs against load dump and alternator transients per ISO 16750-2. IC Role / Device Role / Timing Role: Unidirectional TVS placed between supply rail and chassis ground to clamp surges above 58 V. Use Value: Limits peak voltage to 93.6 V during 16 A transients, preventing damage to MCU power supplies and CAN transceivers. | Use Scenario: Safeguarding analog front-ends of pressure/temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: TVS mounted at connector entry to shunt ESD (IEC 61000-4-2) and cable discharge events. Use Value: Sub-1 ns response and ≤1 µA leakage preserve signal integrity and measurement accuracy in 24 V sensor loops. |
| Telecom Line Surge Protection | Motor Drive DC Bus Protection |
Use Scenario: Shielding RS-485/RS-232 data lines in outdoor base stations from lightning-induced surges. IC Role / Device Role / Timing Role: Bidirectional-capable variant used (SMCJ58CA), but SMCJ58AHE3_A/I serves as unidirectional alternative for grounded-line configurations. Use Value: 1500 W rating handles multi-kV induced transients while maintaining low capacitance (<100 pF) to avoid signal distortion. | Use Scenario: Protecting IGBT gate drivers and bootstrap circuits in HVAC inverter drives from switching noise and cross-talk. IC Role / Device Role / Timing Role: TVS placed across gate-source or supply-ground nodes to suppress dV/dt-induced false turn-on. Use Value: Stable VBR temperature coefficient (0.104 %/°C) ensures consistent clamping across wide operating temperatures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ58A-E3/57T | Lower PPPM (400 W), smaller SMA package, higher RθJA (110 °C/W) | Suitable for lower-energy surges (e.g., IEC 61000-4-5 Level 2), not for automotive load dump. | Select when space-constrained and surge energy is ≤400 W; verify thermal derating on small pads. |
| SMCJ58CAHE3_A/I | Bidirectional version; identical VWM, VBR, VC, and PPPM, but symmetric clamping in both polarities. | Required for AC-coupled or floating signal lines (e.g., Ethernet PHY, USB D+/D−); not needed for grounded DC rails. | Choose bidirectional only if circuit lacks defined polarity or requires protection against reverse surges. |
Compared with SMAJ58A-E3/57T and SMCJ58CAHE3_A/I, the SMCJ58AHE3_A/I provides the highest surge energy handling (1500 W) in an automotive-qualified SMC package, making it optimal for demanding DC rail protection where thermal robustness and AEC-Q101 compliance are mandatory.
Availability
SMCJ58AHE3_A/I is available at Aetrix Electronics and suitable for automotive power modules, industrial sensor nodes, telecom infrastructure equipment, and motor drive designs requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SMCJ58AHE3_A/I 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability 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 applications where robustness and consistency are non-negotiable.
FAQ
What is the clamping voltage of SMCJ58AHE3_A/I at its rated peak pulse current?
The SMCJ58AHE3_A/I has a maximum clamping voltage (VC) of 93.6 V at 16 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured per JEDEC test conditions and reflects the actual voltage seen by protected circuitry during worst-case surge events - a key parameter for ensuring downstream ICs remain within absolute maximum ratings. The SMCJ58AHE3_A/I maintains this clamping performance across its full operating temperature range.
Is SMCJ58AHE3_A/I qualified for automotive applications?
Yes, the SMCJ58AHE3_A/I is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HE3" and documentation in the SMCJ5.0A–SMCJ188CA datasheet (Document Number 88394, Revision 09-Jan-2024). This qualification covers stress tests including high-temperature operating life, temperature cycling, and ESD - validating its suitability for under-hood and chassis-mounted automotive electronics. The SMCJ58AHE3_A/I is explicitly designated for automotive use in Vishay's material categorization and packaging notes.
What is the package type and mounting specification for SMCJ58AHE3_A/I?
The SMCJ58AHE3_A/I uses the SMC (DO-214AB) surface-mount package, with dimensions of 7.75 mm × 6.22 mm × 2.62 mm and matte tin-plated leads. It is rated for MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C. Recommended mounting uses 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal to achieve specified thermal and surge performance. The cathode is marked by a visible band on the device body.
How does the temperature coefficient affect SMCJ58AHE3_A/I's breakdown voltage stability?
The SMCJ58AHE3_A/I has a typical temperature coefficient of VBR of +0.104 %/°C, meaning its breakdown voltage increases linearly with junction temperature. At +125 °C, VBR rises by approximately 10.4 % above its 25 °C value - from 64.4–71.2 V to ~71–78.6 V. This predictable drift allows designers to maintain safe margins in high-temperature environments like engine compartments. The coefficient is verified per ANSI/IEEE C62.35 and applies uniformly across the SMCJ family, including the SMCJ58AHE3_A/I.
Can SMCJ58AHE3_A/I be used in bidirectional protection circuits?
No - the SMCJ58AHE3_A/I is a unidirectional TVS diode, intended for DC circuits with defined polarity (cathode to protected line, anode to ground). For bidirectional protection - such as AC lines, differential data buses, or floating references - the bidirectional variant SMCJ58CAHE3_A/I must be used. While both share identical VWM, VBR, and PPPM, the SMCJ58AHE3_A/I lacks symmetrical clamping capability and will conduct continuously if reverse-biased beyond its VWM. This functional distinction is clearly specified in Vishay's datasheet Table "DEVICE TYPE".
SMCJ58AHE3_A/I 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):
- 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_A/I FAQ
1.How can I place an order for SMCJ58AHE3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ58AHE3_A/I 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_A/I reliable?
The price and inventory of SMCJ58AHE3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ58AHE3_A/I is usually 5 days.
3.What payment methods are accepted for SMCJ58AHE3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ58AHE3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ58AHE3_A/I?
SMCJ58AHE3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ58AHE3_A/I 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_A/I?
For technical support, including SMCJ58AHE3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ58AHE3_A/I requirements.
6.How does Aetrix verify that SMCJ58AHE3_A/I is sourced from the original manufacturer or authorized distributors?
All SMCJ58AHE3_A/I 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_A/I meets industry standards.
7.What is the process for return or replacement of SMCJ58AHE3_A/I?
All SMCJ58AHE3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ58AHE3_A/I, 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_A/I part is unused and in its original packaging.
Return procedure for SMCJ58AHE3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ58AHE3_A/I Tags

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