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SMBJ40CA Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SMBJ40CALITTELFUSE30000Yes

Zener TVSs

The SMBJ40CA is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by LITTELFUSE.

Specifications:

  • Voltage - Reverse Standoff (V_RWM): 40V
  • Voltage - Breakdown (V_BR): 44.4V (Min), 49.2V (Typ)
  • Voltage - Clamping (V_C): 64.5V at 10A (I_PP)
  • Peak Pulse Current (I_PP): 10A (8/20µs)
  • Power - Peak Pulse (P_PP): 600W
  • Operating Temperature Range: -55°C to +150°C
  • Package: SMB (DO-214AA)
  • Polarity: Bidirectional

Descriptions:

The SMBJ40CA is designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It provides fast response to transient overvoltages, clamping them to a safe level.

Features:

  • Bidirectional Protection: Safeguards against both positive and negative voltage transients.
  • Low Clamping Voltage: Ensures effective protection for sensitive circuits.
  • High Surge Capability: Handles high transient currents (up to 10A).
  • RoHS Compliant: Meets environmental standards.
  • Compact SMB Package: Suitable for space-constrained applications.

For detailed electrical characteristics, refer to the official LITTELFUSE datasheet.

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