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Vishay SMBJ18DM3H Transient Voltage Suppressor

The SMBJ18DM3H is a surface-mount transient voltage suppressor (TVS) diode designed for sensitive electronics protection against voltage transients caused by inductive load switching and lightning. It features a DO-214AA package, peak pulse power dissipation of 600 W with fast response times, and is available in uni-directional and bi-directional configurations. Ideal for use on ICs, MOSFETs, and signal lines in consumer, industrial, computer, and telecommunication applications, it complies with RoHS standards with a UL 94 V-0 flammability rating and halogen-free materials, ensuring reliability and safety.

Authorized Distributors
Source:Newark
Part No:SMBJ18D-M3/H
Stock:1452
Inv Date:06-09-2026
Price: Unit price: $0.551
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Source:DigiKey
Part No:SMBJ18D-M3/H
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.22191
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Part No:SMBJ18D-M3/H
Stock:6701
Inv Date:06-10-2026
Price: Unit price: $0.71
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Part No:SMBJ18D-M3/H
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.0673
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Part No:SMBJ18D-M3/H
Stock:6532
Inv Date:06-10-2026
Price: N/A
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Vishay SMBJ18DM3H Transient Voltage Suppressor Specifications:

  • Package: DO-214AA (SMBJ)
  • Peak Pulse Power Dissipation: 600 W
  • Peak Pulse Current: 5.0 A at 50°C
  • Power Dissipation: 1.0 W at 25°C
  • Operating Temperature Range: -55°C to +150°C
  • Maximum Thermal Resistance, Junction to Ambient: 100°C/W
  • Maximum Thermal Resistance, Junction to Mount: 20°C/W
  • Dimensions: 0.155 in x 0.130 in (3.94 mm x 3.30 mm)
  • Material: Halogen-free, RoHS-compliant, UL 94 V-0 rated molding compound
  • Leads: Matte tin-plated, solderable per J-STD-002
  • Polarity: Band denotes cathode end for unidirectional, no band on bi-directional types
  • Maximum Reverse Working Voltage: 188 V
  • Clinching Capability in Both Directions
  • UL Recognized for Safety Standards

Buy the Buy Vishay Transient Voltage Suppressor Part Number SMBJ18DM3H Online

Secure your sensitive electronic circuits with the Vishay SMBJ18DM3H TVS diode, offering 600 W peak pulse power, rapid response, and robust design. Designed for surface-mount installation, it protects against voltage transients from lightning and inductive loads. Ideal for IC protection, MOSFET safeguarding, and signal line stabilization in consumer, industrial, and telecommunications devices. Its RoHS-compliant, halogen-free construction ensures safety and environmental compliance. Purchase online today for reliable transient suppression in your electronic systems and enjoy enhanced circuit longevity and protection.

Buy Vishay SMBJ18DM3H now and experience unmatched reliability and fast transient suppression performance.

Frequently Asked Questions

Where can I buy Vishay SMBJ18DM3H?

You can click on the BUY or RFQ button to purchase SMBJ18DM3H from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SMBJ18DM3H?

You can download the SMBJ18DM3H datasheet or visit the Vishay website for support.

Who is the manufacturer of SMBJ18DM3H?

Vishay

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