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Vishay SMAJ43CAHM3AH Surface Mount Surge Protector

The surface-mount Transient Voltage Suppressor (TVS) diode is designed to protect sensitive electronics from voltage transients induced by inductive load switching and lightning surges. The device features a glass passivated chip junction, RoHS compliance, and is available in uni-directional and bi-directional configurations. With a peak pulse power capability of 400 W and fast response time, it is ideal for automotive, industrial, and telecommunication applications. The SMA package allows automated placement, making it suitable for modern electronic assemblies. It operates efficiently at maximum junction temperatures of 150°C, ensuring reliable surge suppression.

Authorized Distributors
Source:Newark
Part No:SMAJ43CAHM3_A/H
Stock:8500
Inv Date:06-09-2026
Price: Unit price: $0.599
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Source:DigiKey
Part No:SMAJ43CAHM3_A/H
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.16509
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Part No:SMAJ43CAHM3_A/H
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.165
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Part No:SMAJ43CAHM3-A/H
Stock:0
Inv Date:06-10-2026
Price: N/A
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Vishay SMAJ43CAHM3AH Surface Mount Surge Protector Specifications:

  • Package: SMA (DO-214AC)
  • Peak Pulse Power: 400 W (10/1000 us waveform)
  • Maximum Reverse Stand-off Voltage: 6.40 V to 231 V
  • Maximum Clamping Voltage: 43.5 V at 800 A for SMAJ5.0A
  • Surge Current (8.3 ms): 40 A
  • Operating Temperature Range: -55°C to +150°C
  • Thermal Resistance, junction to ambient: 120 °C/W
  • Thermal Resistance, junction to lead: 30 °C/W
  • Material: Glass passivated chip junction, RoHS-compliant
  • Polarity: Uni-directional or bi-directional, cathode band denotes cathode
  • Leads: Matte tin plated, solderable per J-STD-002, JESD 22-B102
  • Mounting: Surface mount, suitable for automated placement
  • Certified: RoHS compliant, AEC-Q101 qualified option available

Buy the VISHAY SMAJ43CAHM3AH – Reliable Surge Protection for Industrial Applications

Order the Vishay SMAJ43CAHM3AH surface mount surge protector today to safeguard your electronics efficiently. Featuring a 400 W peak pulse power, fast response time, and RoHS compliance, it is suitable for automotive, industrial, and communication systems. Its SMA package ensures easy automated assembly, offering reliable transient voltage suppression. Operating reliably up to 150°C junction temperature, this diode provides essential surge protection for sensitive ICs, sensors, and power lines. Purchase online now for fast delivery and optimal circuit protection.

Get Vishay SMAJ43CAHM3AH today—built for precision, high surge capability, and long-lasting durability.

Frequently Asked Questions

Where can I buy Vishay SMAJ43CAHM3AH?

You can click on the BUY or RFQ button to purchase SMAJ43CAHM3AH from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part SMAJ43CAHM3AH?

You can download the SMAJ43CAHM3AH datasheet or visit the Vishay website for support.

Who is the manufacturer of SMAJ43CAHM3AH?

Vishay

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