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Vishay SMCJ18CAHM3AH Transient Voltage Suppressor

The SMCJ18CAHM3AH is a high-performance surface mount transient voltage suppressor designed for both unidirectional and bidirectional applications. It features a robust glass passivated chip junction with a low-profile package suitable for automated placement, providing excellent clamping capability and rapid response to voltage transients. Ideal for protecting sensitive electronics such as ICs, MOSFETs, and signal lines in automotive, industrial, consumer, and telecom devices. The device operates over a temperature range of -55°C to +150°C, with a peak pulse power dissipation of 1500 W, ensuring reliable surge suppression and enhanced circuit protection.

Authorized Distributors
Source:Newark
Part No:SMCJ18CAHM3_A/H
Stock:360
Inv Date:06-09-2026
Price: Unit price: $0.148
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Source:DigiKey
Part No:SMCJ18CAHM3_A/H
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.44752
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Part No:SMCJ18CAHM3_A/H
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.444
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Part No:SMCJ18CAHM3-A/H
Stock:0
Inv Date:06-10-2026
Price: N/A
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Part No:SMCJ18CAHM3_A/H
Stock:850
Inv Date:06-09-2026
Price: Unit price: $0.365
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Vishay SMCJ18CAHM3AH Transient Voltage Suppressor Specifications:

  • Package: SMC (DO-214AB)
  • Peak Pulse Power: 1500 W
  • Peak Forward Surge Current: 200 A
  • Voltage Range: 6.40 V to 231 V (unidirectional and bidirectional)
  • Operating Temperature Range: -55°C to +150°C
  • Maximum Clamping Voltage: Varies with device, e.g., 163.0 V at 50 A for certain models
  • Junction to Ambient Thermal Resistance: 75°C/W
  • Junction to Lead Thermal Resistance: 15°C/W
  • Material: Glass passivated chip junction, RoHS-compliant
  • Mounting: Surface-mount, solderable leads
  • Certifications: AEC-Q101 qualified, UL 94 V-0 flammability rating
  • Polarity: Unidirectional marked by band, bidirectional unmarked
  • Application: Protects ICs, MOSFETs, sensors, and signal lines against voltage transients
  • Response Time: Very fast for efficient transient suppression

Buy the Buy Vishay Transient Voltage Suppressor Part Number SMCJ18CAHM3AH Online

Secure your electronic devices with the Vishay SMCJ18CAHM3AH transient voltage suppressor. Designed for rapid response and high surge power dissipation, it offers reliable protection against voltage transients in automotive, industrial, and consumer applications. Its surface-mount package allows for easy automated assembly, making it ideal for high-volume manufacturing. With a wide voltage range and temperature tolerance from -55°C to +150°C, this device guarantees performance and safety in harsh conditions. Experience dependable surge suppression for your critical electronics today.

Order your Vishay SMCJ18CAHM3AH series transient voltage suppressor today and ensure reliable protection for your sensitive electronics in demanding environments.

Frequently Asked Questions

Where can I buy Vishay SMCJ18CAHM3AH?

You can click on the BUY or RFQ button to purchase SMCJ18CAHM3AH from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SMCJ18CAHM3AH?

You can download the SMCJ18CAHM3AH datasheet or visit the Vishay website for support.

Who is the manufacturer of SMCJ18CAHM3AH?

Vishay

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