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Vishay SMCJ12AE39AT Transient Voltage Suppressor

The SMCJ12AE39AT is a unidirectional transient voltage suppressor (TVS) diode designed for electrical protection in sensitive electronic circuits. It offers a maximum breakdown voltage of 147 V, peak pulse power dissipation of 1500 W, and a maximum peak pulse current of 12 A. The device features a small SMC (DO-214AB) package, ensuring rapid response to voltage transients induced by inductive loads and lightning. Suitable for automotive, industrial, and communication equipment, it provides dependable over-voltage protection with a low profile and RoHS compliance.

Authorized Distributors
Source:Newark
Part No:SMCJ12A-E3/9AT
Stock:1915
Inv Date:06-09-2026
Price: Unit price: $0.984
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Source:DigiKey
Part No:SMCJ12A-E3/9AT
Stock:2425
Inv Date:06-09-2026
Price: Unit price: $1.02
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Part No:SMCJ12A-E3/9AT
Stock:4985
Inv Date:06-10-2026
Price: Unit price: $0.89
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Part No:SMCJ12A-E3/9AT
Stock:2380
Inv Date:06-09-2026
Price: Unit price: $0.1856
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Part No:SMCJ12A-E3/9AT
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.126
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Part No:SMCJ12A-E3/9AT
Stock:7000
Inv Date:06-10-2026
Price: N/A
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Vishay SMCJ12AE39AT Transient Voltage Suppressor Specifications:

  • Maximum Breakdown Voltage: 147 V
  • Peak Pulse Power Dissipation: 1500 W
  • Peak Pulse Current: 12 A
  • Peak Forward Surge Current: 200 A
  • Operating Junction Temperature Range: -55°C to +150°C
  • Package Type: SMC (DO-214AB)
  • Polarity: Unidirectional, cathode band indicates cathode end
  • Mounting: Surface-mount, solderable per J-STD-002 and JESD 22-B102
  • Thermal Resistance, Junction to Ambient: 75 K/W
  • Material: Glass passivated chip, RoHS compliant

Buy the Buy Vishay SMCJ12AE39AT Part Number SMCJ12AE39AT Online

Purchase the Vishay SMCJ12AE39AT transients suppression diode online for robust over-voltage protection in automotive, industrial, and telecommunications systems. This unidirectional TVS device features a maximum breakdown voltage of 147 V, peak pulse power dissipation of 1500 W, and a peak pulse current of 12 A, ensuring fast response to voltage spikes. Its compact SMC package allows easy surface-mount installation, making it ideal for automated assembly and space-constrained applications. Enhance your circuit reliability by ordering the Vishay SMCJ12AE39AT online today for quality, performance, and dependable electrical protection.

Get Vishay SMCJ12AE39AT today—designed for reliable transient voltage suppression in sensitive electronics.

Frequently Asked Questions

Where can I buy Vishay SMCJ12AE39AT?

You can click on the BUY or RFQ button to purchase SMCJ12AE39AT from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SMCJ12AE39AT?

You can download the SMCJ12AE39AT datasheet or visit the Vishay website for support.

Who is the manufacturer of SMCJ12AE39AT?

Vishay

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