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SMBJ20A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
SMBJ20ALITTELFUSE8250Yes

Zener TVSs

The SMBJ20A is a surface-mount transient voltage suppressor (TVS) diode manufactured by LITTELFUSE. Below are its key specifications, descriptions, and features:

Specifications:

  • Voltage Rating (Reverse Standoff Voltage, V_RWM): 20V
  • Breakdown Voltage (V_BR): 22.2V (min) to 24.5V (max)
  • Peak Pulse Power (P_PPM): 600W (10/1000μs waveform)
  • Maximum Clamping Voltage (V_C): 32.4V at 10A
  • Peak Pulse Current (I_PP): 19.4A
  • Operating Temperature Range: -55°C to +150°C
  • Package Type: SMB (DO-214AA)

Descriptions:

  • Designed to protect sensitive electronics from voltage transients and surges.
  • Bi-directional (A suffix indicates bi-directional clamping).
  • RoHS compliant and halogen-free.

Features:

  • Fast Response Time: Responds quickly to transient events (picosecond range).
  • High Surge Capability: Handles high transient currents.
  • Low Clamping Voltage: Provides effective protection for downstream components.
  • Surface-Mount Design: Suitable for automated PCB assembly.

This diode is commonly used in applications such as power supplies, communication systems, and automotive electronics for ESD and surge protection.

(Data sourced from LITTELFUSE official documentation.)

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