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Vishay General Semiconductor - Diodes Division SMCJ36HE3/57T
- Part No.:
- SMCJ36HE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ36HE3/57T.pdf
- Description:
- TVS DIODE 36VWM 64.3VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,118
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Product details
Overview
SMCJ36HE3/57T from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in DO-214AB (SMCJ) package, designed for robust overvoltage protection of sensitive electronics. It features a 36 V standoff voltage (VWM), 40.0–44.2 V breakdown range (VBR), 58.1 V clamping voltage (VC) at 25.8 A peak pulse current (IPPM), and 1500 W peak pulse power (PPPM) with 10/1000 µs waveform - deployed on power rails and signal lines in automotive ECUs and industrial motor drives.
For engineers reviewing the SMCJ36HE3/57T datasheet, SMCJ36HE3/57T pinout, SMCJ36HE3/57T application, or SMCJ36HE3/57T equivalent, key selection criteria include clamping performance under 10/1000 µs surge, AEC-Q101 qualification for automotive use, RoHS-compliant HE3 whisker-tested terminations, and thermal resistance (RθJA = 75 °C/W) under standard 8.0 mm × 8.0 mm copper pad layout.
Technical Context
The SMCJ36HE3/57T operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its specified breakdown range (40.0–44.2 V at 1 mA test current). Its glass-passivated junction ensures stable leakage (<1.0 µA at 36 V) and fast response time (<1.0 ps), enabling suppression of ESD and inductive switching transients before downstream ICs are damaged.
Thermally, it supports continuous operation from –55 °C to +150 °C junction temperature, with derated peak pulse power above 25 °C ambient per Fig. 2. The device is rated for 200 A non-repetitive forward surge (IFSM, 8.3 ms half-sine) and exhibits low incremental surge resistance, critical for maintaining low clamping voltage during high-current events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - maximum continuous reverse operating voltage before conduction begins |
| VBR min/max | 40.0 V / 44.2 V at 1 mA - guaranteed avalanche initiation window for predictable turn-on |
| VC @ IPPM | 58.1 V at 25.8 A - clamped voltage during 10/1000 µs surge, limiting stress on protected circuitry |
| PPPM | 1500 W - peak transient energy absorption capability under standardized waveform |
| ID @ VWM | ≤1.0 µA - ultra-low leakage preserves signal integrity and battery life in standby |
| TJ max | +150 °C - enables deployment in under-hood automotive and high-temperature industrial environments |
| RθJA | 75 °C/W - thermal resistance defines required PCB copper area (8.0 mm × 8.0 mm pads) for safe power dissipation |
Pinout & Package
Package: DO-214AB (SMCJ), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Polarity indicated by cathode band; unidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / reverse voltage reference node | Connected to ground or low-impedance return path in unidirectional TVS configuration |
| Cathode | Avalanche conduction terminal / protected line connection point | Connected to line being protected (e.g., 36 V supply rail); band marks this end |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock |
| HE3 whisker test compliance | Meets JESD 201 Class 2 for tin whisker mitigation - essential for long-life automotive modules |
| Glass passivated junction | Ensures stable VBR tolerance and low leakage across lifetime and temperature extremes |
| MSL Level 1 rating | Unlimited floor life at ≤30 °C / 60 % RH - compatible with standard SMT reflow without dry pack |
| UL 94 V-0 molding compound | Flame-retardant encapsulation meets safety standards for enclosed industrial and automotive enclosures |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 36 V battery-fed control modules (e.g., body control units) against load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between 36 V rail and chassis ground to clamp surges exceeding 58.1 V. Use Value: Prevents damage to microcontrollers and CAN transceivers by limiting transient voltage to <58.1 V at 25.8 A, per ISO 7637-2 Pulse 5a. | Use Scenario: Shielding analog sensor outputs (e.g., pressure or temperature sensors) in factory automation systems from ESD and cable discharge events. IC Role / Device Role / Timing Role: TVS connected between signal line and ground to shunt fast transients before reaching ADC input stages. Use Value: Maintains signal fidelity with <1.0 µA leakage at 36 V and sub-nanosecond response, preserving measurement accuracy. |
| Telecom DC Power Interface | Motor Drive Gate Driver Protection |
Use Scenario: Safeguarding 36 V DC input ports of telecom remote radio units exposed to lightning-induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary surge clamp on DC input, coordinated with upstream fuses and secondary filtering. Use Value: Absorbs 1500 W peak pulse energy without failure, meeting IEC 61000-4-5 Level 4 requirements. | Use Scenario: Protecting high-side gate drivers in 36 V BLDC motor inverters from shoot-through-inducing voltage spikes during MOSFET switching. IC Role / Device Role / Timing Role: TVS placed across gate-source terminals to clamp Miller-induced overshoot. Use Value: Fast avalanche response (<1.0 ps) prevents false turn-on of power devices, improving system reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36A-E3/61 | Lower PPPM (400 W), smaller SMA package (DO-214AC), higher RθJA (~100 °C/W) | Suitable for lower-energy transients and space-constrained consumer designs, not automotive-grade | Select for cost-sensitive, non-automotive applications where 1500 W surge capacity is unnecessary |
| SMCJ36AHE3/57T | Identical electrical specs and AEC-Q101 qualification; differs only in marking code (no "E" suffix in part number) | No functional difference - same die, same qualification, same packaging | Direct form-fit-function match; interchangeable in all designs requiring SMCJ36HE3/57T |
Compared with SMAJ36A-E3/61, SMCJ36HE3/57T delivers 3.75× higher surge power handling and automotive qualification; versus SMCJ36AHE3/57T, it is identical in performance and reliability - differing only in manufacturer's internal marking convention.
Availability
SMCJ36HE3/57T is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom DC power inputs requiring stable component supply, AEC-Q101 compliance, and 1500 W transient immunity.
Supply support for SMCJ36HE3/57T 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, and protection devices with emphasis on reliability, precision, and automotive qualification.
The SMCJ series targets high-energy transient suppression in harsh environments, engineered specifically for automotive, industrial, and telecom applications demanding AEC-Q101 validation and UL 94 V-0 safety compliance.
FAQ
What is the clamping voltage of the SMCJ36HE3/57T under a 10/1000 µs surge?
The SMCJ36HE3/57T has a maximum clamping voltage (VC) of 58.1 V at 25.8 A peak pulse current (IPPM) under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that protected circuitry sees no more than 58.1 V during such transients, provided the device is mounted on the recommended 8.0 mm × 8.0 mm copper pads.
Is the SMCJ36HE3/57T qualified for automotive applications?
Yes, the SMCJ36HE3/57T is AEC-Q101 qualified, as confirmed in the Vishay datasheet (Document Number: 88394, Revision: 11-Dec-12). This qualification covers stress tests including temperature cycling, high-temperature operating life, and mechanical shock - making SMCJ36HE3/57T suitable for under-hood and chassis-mounted automotive electronics.
What does the "HE3" suffix indicate in SMCJ36HE3/57T?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification and JESD 201 Class 2 whisker testing for matte tin terminations. It distinguishes SMCJ36HE3/57T from commercial-grade "E3" variants (e.g., SMCJ36A-E3/57T), which lack automotive qualification despite identical package and basic electrical specs.
Can the SMCJ36HE3/57T be used in bidirectional configurations?
No, the SMCJ36HE3/57T is unidirectional only, as indicated by the "A" (not "CA") suffix in its base type and confirmed by polarity marking (cathode band). For bidirectional operation, Vishay specifies parts with "CA" suffixes (e.g., SMCJ36CA), which have symmetrical breakdown in both directions and no polarity marking.
What is the thermal resistance of the SMCJ36HE3/57T, and how does it affect PCB layout?
The SMCJ36HE3/57T 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 terminal. To maintain safe junction temperatures under repetitive surges or elevated ambient conditions, PCB layout must allocate sufficient copper area - reducing RθJA improves power handling and longevity of the SMCJ36HE3/57T.
SMCJ36HE3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 64.3V
- Current - Peak Pulse (10/1000µs):
- 23.3A
- 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)
SMCJ36HE3/57T FAQ
1.How can I place an order for SMCJ36HE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ36HE3/57T 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 SMCJ36HE3/57T reliable?
The price and inventory of SMCJ36HE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ36HE3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ36HE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ36HE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ36HE3/57T?
SMCJ36HE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ36HE3/57T 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 SMCJ36HE3/57T?
For technical support, including SMCJ36HE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ36HE3/57T requirements.
6.How does Aetrix verify that SMCJ36HE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ36HE3/57T 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 SMCJ36HE3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ36HE3/57T?
All SMCJ36HE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ36HE3/57T, 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 SMCJ36HE3/57T part is unused and in its original packaging.
Return procedure for SMCJ36HE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ36HE3/57T Tags
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