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Vishay General Semiconductor - Diodes Division SMCJ13AHM3/I
- Part No.:
- SMCJ13AHM3/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ13AHM3/I.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,768
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Product details
Overview
SMCJ13AHM3/I 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 13 V standoff voltage, 21.5 V clamping voltage at 69.8 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 rails.
For engineers reviewing the SMCJ13AHM3/I datasheet, SMCJ13AHM3/I pinout, SMCJ13AHM3/I application, or SMCJ13AHM3/I equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification status, 1500 W 10/1000 µs surge capability, thermal resistance (RθJA = 75 °C/W), and halogen-free RoHS-compliant construction per HM3 suffix.
Technical Context
This TVS diode operates as a clamping device that remains non-conductive below its 13 V stand-off voltage (VWM) and rapidly transitions to low-impedance conduction above its 14.4–15.9 V breakdown range (VBR at 1 mA). Its glass-passivated junction ensures stable leakage performance (<1 µA at VWM) and fast response time under transient stress.
The SMCJ13AHM3/I uses a single-junction silicon avalanche structure optimized for unidirectional surge suppression. It meets MSL level 1 per J-STD-020, supports 260 °C lead-free reflow, and delivers 21.5 V clamping (VC) at 69.8 A (IPPM) under standardized 10/1000 µs waveform conditions with derating above 25 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 14.4 V / 15.9 V at 1 mA - Confirmed breakdown threshold range for reliable turn-on margin |
| VC @ IPPM | 21.5 V at 69.8 A - Clamped voltage during full 1500 W surge, limiting downstream stress |
| PPPM | 1500 W - Peak pulse power handling per 10/1000 µs waveform, critical for IEC 61000-4-5 compliance |
| IPPM | 69.8 A - Peak surge current capacity defining protection headroom against system-level transients |
| TJ max | +150 °C - Maximum junction temperature enabling operation in under-hood automotive environments |
| RθJA | 75 °C/W - Thermal resistance from junction to ambient on standard 8 mm × 8 mm copper pads |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads solderable per J-STD-002. Cathode indicated by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry (unidirectional) | Connected to protected circuit ground or low-side return path |
| Cathode | Reverse-biased terminal (marked with band) | Connected to protected line (e.g., 12 V rail); conducts surge current to ground when VLINE exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness |
| Halogen-free (HM3) | Meets IEC 61249-2-21 and JEDEC J-STD-20E environmental requirements |
| Low incremental surge resistance | Enables tighter clamping (21.5 V) and higher energy absorption without voltage overshoot |
| MSL Level 1 | Unlimited floor life at ≤30 °C/60% RH, compatible with standard SMT assembly without dry pack |
| Glass passivated junction | Ensures stable leakage (<1 µA at 13 V), long-term parameter stability, and moisture resistance |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs, lighting modules, and body control units from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp transients before they reach LDOs or microcontrollers. Use Value: Limits voltage excursion to ≤21.5 V during 1500 W surges, preventing latch-up or gate oxide damage in downstream semiconductors. | Use Scenario: Shielding analog and digital signal lines (e.g., CAN, LIN, analog sensor outputs) from ESD and coupled noise in factory automation systems. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted at connector entry point to shunt fast transients while preserving signal integrity. Use Value: Sub-1 µA leakage at 13 V avoids DC loading of precision sensor bridges; fast response prevents data corruption during 8 kV contact ESD events. |
| Consumer Power Adapter Input Stage | Telecom DC Power Feed Protection |
Use Scenario: Safeguarding AC/DC adapter primary-side rectifiers and secondary-side DC bus from surges entering via mains or output cables. IC Role / Device Role / Timing Role: Standoff-rated TVS on 12–24 V output rails to absorb repetitive switching spikes and external lightning-induced surges. Use Value: 1500 W rating handles multiple 10/1000 µs transients without degradation; RθJA = 75 °C/W allows thermal management on compact PCB layouts. | Use Scenario: Protecting PoE-powered devices (e.g., IP cameras, wireless APs) from surges on 48 V DC feed lines in outdoor telecom cabinets. IC Role / Device Role / Timing Role: Unidirectional suppressor on DC input path to clamp overvoltage while maintaining normal forward bias isolation. Use Value: 13 V VWM provides safe margin above 48 V nominal with 24 V tolerance; AEC-Q101 qualification ensures field longevity in harsh environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13AHE3/A | Lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 110 °C/W) | Not suitable for 1500 W surge events; limited to lower-energy IEC 61000-4-2/4-4 scenarios | Select when space-constrained layout prioritizes size over surge energy handling |
| SMCJ13AHE3/I | Same electrical specs but commercial-grade (non-AEC-Q101), E3 suffix (RoHS, not halogen-free) | Lacks automotive qualification and halogen-free certification; acceptable for industrial/commercial use only | Select when AEC-Q101 and halogen-free compliance are not required |
Compared with SMCJ13AHM3/I, SMAJ13AHE3/A offers smaller size but sacrifices 73% surge power capability and thermal performance, while SMCJ13AHE3/I matches all electrical parameters but omits automotive qualification and halogen-free materials-making SMCJ13AHM3/I the sole choice for AEC-Q101 + halogen-free dual compliance.
Availability
SMCJ13AHM3/I is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, consumer power adapters, and telecom DC feed applications requiring stable component supply across extended production lifecycles.
Supply support for SMCJ13AHM3/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 designs and manufactures discrete semiconductors including diodes, rectifiers, and TVS devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMCJ series targets high-energy transient suppression in demanding environments; SMCJ13AHM3/I specifically addresses automotive and industrial needs where AEC-Q101 qualification, halogen-free construction, and 1500 W surge immunity are mandatory.
FAQ
What is the clamping voltage of the SMCJ13AHM3/I under maximum rated surge current?
The SMCJ13AHM3/I clamps to 21.5 V at its peak pulse current (IPPM) of 69.8 A under the standardized 10/1000 µs waveform. This value is measured with the device mounted on 0.31" × 0.31" copper pads and defines the maximum voltage seen by protected circuitry during a full 1500 W transient event. The SMCJ13AHM3/I maintains this clamping performance across its qualified operating temperature range.
Is the SMCJ13AHM3/I qualified for automotive applications?
Yes, the SMCJ13AHM3/I is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HM3" and documentation in the SMCJ5.0A–SMCJ188CA datasheet (Rev. 09-Jan-2024, Doc. #88394). This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and ESD, making the SMCJ13AHM3/I suitable for under-hood and chassis-mounted automotive electronics where reliability under thermal and mechanical stress is critical.
What does the "HM3" suffix indicate for the SMCJ13AHM3/I?
The "HM3" suffix on SMCJ13AHM3/I denotes halogen-free, RoHS-compliant, and AEC-Q101 qualified construction. It distinguishes the part from commercial-grade variants (e.g., E3 or M3) and confirms compliance with JEDEC J-STD-20E, IEC 61249-2-21, and automotive reliability standards. The "I" denotes 13" tape-and-reel packaging (3500 units per reel), supporting high-volume SMT assembly of the SMCJ13AHM3/I.
How does the SMCJ13AHM3/I compare to bidirectional TVS diodes like SMCJ13CA?
The SMCJ13AHM3/I is unidirectional and intended for DC line protection where polarity is fixed (e.g., 12 V supply rails), offering lower leakage and sharper turn-on than bidirectional types. In contrast, SMCJ13CA provides symmetrical clamping for AC or floating signal lines but exhibits higher reverse leakage and requires no polarity awareness. The SMCJ13AHM3/I cannot substitute for SMCJ13CA in AC-coupled applications due to its inherent polarity dependence.
What is the thermal resistance of the SMCJ13AHM3/I, and how does it affect PCB layout?
The SMCJ13AHM3/I 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 repeated surges, PCB layout must provide adequate copper area and thermal vias-reducing pad size or omitting thermal relief increases RθJA, risking thermal runaway. The SMCJ13AHM3/I's RθJL of 15 °C/W further emphasizes the need for solid lead-to-plane connections.
SMCJ13AHM3/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:
- 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:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ13AHM3/I FAQ
1.How can I place an order for SMCJ13AHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ13AHM3/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 SMCJ13AHM3/I reliable?
The price and inventory of SMCJ13AHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ13AHM3/I is usually 5 days.
3.What payment methods are accepted for SMCJ13AHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ13AHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ13AHM3/I?
SMCJ13AHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ13AHM3/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 SMCJ13AHM3/I?
For technical support, including SMCJ13AHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ13AHM3/I requirements.
6.How does Aetrix verify that SMCJ13AHM3/I is sourced from the original manufacturer or authorized distributors?
All SMCJ13AHM3/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 SMCJ13AHM3/I meets industry standards.
7.What is the process for return or replacement of SMCJ13AHM3/I?
All SMCJ13AHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ13AHM3/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 SMCJ13AHM3/I part is unused and in its original packaging.
Return procedure for SMCJ13AHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ13AHM3/I Tags
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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