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Vishay SMCJ30AHM3AH Transient Voltage Suppressor

The Vishay SMCJ30AHM3AH is a surface mount transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients and voltage surges. Featuring a high peak pulse power dissipation of 1500 W and a working temperature range from -55°C to +150°C, it offers excellent clamping capability and fast response times. Available in a RoHS-compliant halogen-free package, this device suits automotive, industrial, telecommunication, and consumer electronics applications, providing reliable overvoltage protection in a compact form factor.

Authorized Distributors
Source:Newark
Part No:SMCJ30AHM3_A/H
Stock:4058
Inv Date:06-09-2026
Price: Unit price: $0.577
Buy/RFQ:
Source:DigiKey
Part No:SMCJ30AHM3_A/H
Stock:3283
Inv Date:06-09-2026
Price: Unit price: $1.33
Buy/RFQ:
Part No:SMCJ30AHM3_A/H
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.32
Buy/RFQ:
Part No:SMCJ30AHM3-A/H
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.324
Buy/RFQ:

Vishay SMCJ30AHM3AH Transient Voltage Suppressor Specifications:

  • Peak Pulse Power: 1500 W
  • Peak Surge Current: 200 A
  • Working Temperature Range: -55°C to +150°C
  • Maximum Reverse Stand-Off Voltage: 30 V
  • Reverse Leakage Current: 50 A at Vwm
  • Clamping Voltage at Peak Pulse Current: 92 V
  • Package Type: SMC (DO-214AB)
  • Mounting: Surface mount, solderable per J-STD-002
  • Material: Glass passivated chip junction, RoHS-compliant, halogen-free options available
  • Terminal: Matte tin plated leads
  • Thermal Resistance Junction to Ambient: 75 °C/W
  • Maximum Power Dissipation on Heatsink: 6.5 W
  • Typical Response Time: Very fast, suitable for transient suppression
  • Polarity: Unidirectional, indicated by the cathode band
  • Compliance: Meets RoHS, UL 94 V-0 flame rating, AEC-Q101 qualified
  • Application: Protects ICs, MOSFETs, sensors, and signal lines from voltage transients induced by inductive load switching and lightning
  • Device Voltage Range: 6.40 V to 231 V

Buy the Vishay SMCJ30AH – Reliable Transient Voltage Suppressor for Industrial Applications

Enhance your electronic protection with the Vishay SMCJ30AH device, offering 1500 W peak pulse power, fast response time, and a wide temperature range. This surface-mount transient voltage suppressor is perfect for safeguarding sensitive electronics, ICs, MOSFETs, and sensors from voltage transients caused by inductive loads or lightning surges. Its RoHS-compliant, halogen-free design ensures eco-friendly assembly, while the compact SMC package facilitates automated placement. Trust this durable device for reliable, high-performance transient suppression in automotive, industrial, and telecommunication applications.

Order your Vishay Series SMCJ30AHM3AH transient voltage suppressor today and strengthen your electronic systems with high power surge protection and reliability.

Frequently Asked Questions

Where can I buy Vishay SMCJ30AHM3AH?

You can click on the BUY or RFQ button to purchase SMCJ30AHM3AH from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SMCJ30AHM3AH?

You can download the SMCJ30AHM3AH datasheet or visit the Vishay website for support.

Who is the manufacturer of SMCJ30AHM3AH?

Vishay

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