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Vishay General Semiconductor - Diodes Division SMCJ16A-M3/57T
- Part No.:
- SMCJ16A-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ16A-M3/57T.pdf
- Description:
- TVS DIODE 16VWM 26VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,631
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Product details
Overview
SMCJ16A-M3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 1500 W (10/1000 μs waveform), with a standoff voltage of 16 V, breakdown voltage range 17.8–19.7 V at 1 mA, and clamping voltage of 26.0 V at 57.7 A peak pulse current. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power rails.
For engineers reviewing the SMCJ16A-M3/57T datasheet, SMCJ16A-M3/57T pinout, SMCJ16A-M3/57T application, or SMCJ16A-M3/57T equivalent, this part delivers verified 1500 W surge capability, halogen-free RoHS compliance (M3 suffix), and AEC-Q101 qualification readiness - critical for ECU, battery management, and 12 V/24 V DC system transient protection design.
Technical Context
This TVS diode operates as a unidirectional clamping device: reverse-biased during normal operation, it remains high-impedance below 16 V standoff, then avalanches sharply above 17.8 V to limit transient energy. Its glass-passivated junction ensures stable breakdown and low leakage (<1.0 μA at VWM).
Thermal performance is defined by RθJA = 75 °C/W and RθJL = 15 °C/W, enabling reliable operation up to TJ = +150 °C. The SMC package supports automated placement and meets UL 94 V-0 flammability rating with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC/AC working margin. |
| VBR min/max | 17.8 V / 19.7 V at IT = 1 mA - Confirmed avalanche onset range; ensures consistent triggering across production lots. |
| VC @ IPPM | 26.0 V at 57.7 A - Clamped voltage under 1500 W 10/1000 μs surge; directly limits stress on downstream MOSFET gate or IC input. |
| PPPM | 1500 W - Peak pulse power handling per standardized waveform; validates robustness against ISO 7637-2 Pulse 1/2/5a/b threats. |
| IFSM | 200 A - Non-repetitive forward surge rating (8.3 ms half-sine); supports inrush current suppression in power supply inputs. |
| TJ max | +150 °C - Maximum junction temperature; enables use in under-hood automotive environments without derating. |
| Package | SMC (DO-214AB) - Industry-standard 2-pin surface-mount outline with 8.0 mm × 8.0 mm copper pad thermal requirement. |
Pinout & Package
SMCJ16A-M3/57T uses the SMC (DO-214AB) package: a 2-terminal surface-mount case with cathode band marking. Thermal performance requires 0.31″ × 0.31″ (8.0 mm × 8.0 mm) copper pads per terminal per datasheet Fig. 2.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse surge return path | Connected to ground or low-impedance return plane; carries full IPPM during clamping event. |
| Cathode | Reverse-biased terminal / Surge voltage sensing node | Connected to protected line (e.g., 12 V rail); avalanche conduction starts here when VAK exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Validated clamping capacity for severe automotive load dump (ISO 16750-2) and inductive switching events. |
| Halogen-free, RoHS-compliant (M3) | Meets global environmental mandates without compromising surge robustness or thermal reliability. |
| Low incremental surge resistance | Enables tighter VC – VBR margin (26.0 V vs. 19.7 V), reducing voltage overshoot on protected ICs. |
| MSL Level 1 (260 °C peak reflow) | Supports standard lead-free SMT assembly without moisture sensitivity concerns or baking requirements. |
| AEC-Q101 qualification path | M3 suffix indicates compatibility with automotive qualification testing; base P/NHM3_X variants are fully qualified. |
Applications
| Automotive Engine Control Unit (ECU) | Industrial PLC Digital Input Module |
|---|---|
Use Scenario: Protecting microcontroller GPIO and CAN transceiver power pins from alternator load dump and relay coil flyback. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between 12 V rail and ground, triggered within <1 ps of overvoltage onset. Use Value: Limits transient voltage to ≤26.0 V, preventing latch-up or gate oxide damage in 3.3 V/5 V logic interfaces. |
Use Scenario: Safeguarding 24 V digital input circuitry against field-wiring induced surges and electrostatic discharge. IC Role / Device Role / Timing Role: Primary front-end transient suppressor on isolated input channel, absorbing >1000 W pulses without degradation. Use Value: Maintains signal integrity by clamping transients before optocoupler input stage, eliminating false triggering. |
| Consumer Power Adapter Secondary Side | Telecom Base Station DC Power Distribution |
Use Scenario: Shielding USB-C PD controller and buck converter feedback network from AC line surge coupling. IC Role / Device Role / Timing Role: Fast-response unidirectional TVS on 5–20 V output rails, activated before internal IC ESD structures fail. Use Value: Achieves <1.0 μA leakage at 16 V, minimizing standby power loss while delivering 1500 W surge immunity. |
Use Scenario: Hardening 48 V backplane feeds against lightning-induced surges and hot-swap transients. IC Role / Device Role / Timing Role: High-energy clamping element mounted directly at board edge connectors and fuse blocks. Use Value: Withstands repeated 57.7 A pulses at 26.0 V clamp, preserving uptime in outdoor telecom cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16A-M3/52T | Lower PPPM (600 W), SMB package (smaller thermal mass), same VWM/VC specs. | Suitable for space-constrained consumer electronics; insufficient for automotive load dump. | Select when board area is critical and surge threat level is ≤600 W (e.g., USB data lines). |
| SMCJ16CA-M3/57T | Bidirectional variant; identical VWM, VBR, VC, and PPPM, but symmetrical clamping in both polarities. | Required for AC-coupled or floating signal lines (e.g., RS-485, audio), not for DC power rails. | Choose only if bidirectional protection is mandated by circuit topology - adds no benefit on unidirectional 12 V rails. |
Compared with SMBJ16A-M3/52T, SMCJ16A-M3/57T provides 2.5× higher surge energy handling in the same footprint class; versus SMCJ16CA-M3/57T, it offers optimized cost and lower capacitance for DC power rail applications where polarity is fixed.
Availability
SMCJ16A-M3/57T is available at Aetrix Electronics and suitable for automotive ECU protection, industrial PLC input stages, and telecom 48 V power distribution requiring stable component supply, halogen-free compliance, and MSL Level 1 reflow compatibility.
Supply support for SMCJ16A-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, and protection devices with emphasis on reliability, automotive qualification, and high-power transient suppression.
The SMCJ series was engineered specifically for high-energy transient protection in harsh environments - targeting automotive, industrial, and telecom systems where 1500 W surge immunity and AEC-Q101 readiness are mandatory.
FAQ
What is the maximum clamping voltage of SMCJ16A-M3/57T under a 10/1000 μs surge?
The SMCJ16A-M3/57T has a maximum clamping voltage (VC) of 26.0 V when subjected to its rated peak pulse current of 57.7 A, corresponding to a 1500 W transient per the 10/1000 μs waveform. This value is measured and guaranteed per Vishay Document Number 88394, ensuring predictable overvoltage limiting for downstream components in the SMCJ16A-M3/57T protection circuit.
Is SMCJ16A-M3/57T suitable for automotive applications?
Yes - the SMCJ16A-M3/57T carries the M3 suffix indicating halogen-free, RoHS-compliant construction and is designed to meet AEC-Q101 qualification requirements. While the base SMCJ16A-M3/57T is commercial-grade, its design basis, thermal specs (TJ max = +150 °C), and surge robustness align with automotive ECU, body control module, and infotainment power rail protection needs. Fully qualified variants use HM3 suffixes (e.g., SMCJ16A-HM3/57T).
How does the SMCJ16A-M3/57T differ from the SMCJ16CA-M3/57T?
The SMCJ16A-M3/57T is unidirectional, with polarity marked by a cathode band and intended for DC rail protection where voltage polarity is fixed. The SMCJ16CA-M3/57T is bidirectional, offering symmetrical clamping for AC signals or floating lines like RS-485. Both share identical VWM (16 V), VBR, VC, and PPPM (1500 W), but the unidirectional SMCJ16A-M3/57T provides lower junction capacitance and avoids unnecessary complexity on DC circuits.
What PCB layout guidance applies to SMCJ16A-M3/57T for optimal thermal performance?
To achieve rated power dissipation, the SMCJ16A-M3/57T must be mounted on minimum 0.31″ × 0.31″ (8.0 mm × 8.0 mm) copper pads per terminal, as specified in Vishay Document 88394. Traces should be short and wide to minimize inductance, and thermal vias under pads are recommended for high-reliability automotive or industrial designs. The SMC (DO-214AB) package's RθJA of 75 °C/W assumes this layout - smaller pads cause thermal derating.
Does SMCJ16A-M3/57T have a specified junction capacitance value?
No junction capacitance (CJ) value is published for the SMCJ16A-M3/57T in the official Vishay datasheet (Document 88394). Capacitance is typically characterized for lower-voltage TVS devices; for SMCJ16A-M3/57T, the primary design focus is high-energy clamping rather than high-frequency signal integrity. If CJ is critical, consult Vishay's application engineering team or consider lower-capacitance alternatives like the SMAJ series - but note their reduced PPPM (400 W).
SMCJ16A-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):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 57.7A
- 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)
SMCJ16A-M3/57T FAQ
1.How can I place an order for SMCJ16A-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ16A-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 SMCJ16A-M3/57T reliable?
The price and inventory of SMCJ16A-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 SMCJ16A-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ16A-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ16A-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ16A-M3/57T?
SMCJ16A-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ16A-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 SMCJ16A-M3/57T?
For technical support, including SMCJ16A-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ16A-M3/57T requirements.
6.How does Aetrix verify that SMCJ16A-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ16A-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 SMCJ16A-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ16A-M3/57T?
All SMCJ16A-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ16A-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 SMCJ16A-M3/57T part is unused and in its original packaging.
Return procedure for SMCJ16A-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ16A-M3/57T Tags
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