BT151 500R – 500V 12 Amp SCR Package TO-220

BT151 500R – 500V 12 Amp SCR is a silicon-controlled rectifier (SCR) designed for medium-power switching and control applications. Packaged in the standard TO-220 form factor, this device is capable of handling high voltages and currents, making it ideal for AC switching, motor control, and overvoltage protection circuits.

Key Features of BT151 500R:

• • High Voltage Rating: Withstands up to 500V.
  • High Current Capability: Handles up to 12A continuous current.
  • Low Thermal Resistance: Ensures efficient heat dissipation.
  • Fast Switching: Suitable for high-speed applications.
  • TO-220 Package: Easy mounting and integration.

Technical Specifications of BT151 500R:

• • Voltage Rating (V_DRM, V_RRM): 500V
  • Current Rating (I_T(AV)): 12A
  • Gate Trigger Current (I_GT): 15mA
  • On-State Voltage (V_T): 1.5V (typical)
  • Holding Current (I_H): 20mA
  • Thermal Resistance (Junction to Case): 1.5°C/W
  • Package: TO-220

Schematic Diagram and Pinout of BT151 500R:

• • Pinout:
    • Pin 1 (Anode): Positive terminal for main current flow.
    • Pin 2 (Cathode): Negative terminal for main current flow.
    • Pin 3 (Gate): Control terminal to trigger the SCR.
  • Schematic Diagram: The SCR consists of a PNPN structure with the gate controlling the triggering of the device.

Applications of BT151 500R:

• • AC Switching: Controls AC loads in circuits.
  • Motor Control: Regulates speed and direction in motor drivers.
  • Overvoltage Protection: Provides surge suppression in power lines.
  • Phase Control: Used in dimmers and heating controls.

Equivalent Models of BT151 500R:

• • BT152: Higher current-rated SCR in the same family.
  • TYN612: A similar SCR with a 12A rating.

Datasheet:

• • Download BT151 Datasheet

Keywords for BT151 500R:

• • BT151 500R
  • 12A SCR
  • Silicon Controlled Rectifier
  • TO-220 SCR
  • AC Switching Component

Package Includes:

• • 1 x BT151 500R – 500V 12 Amp SCR (TO-220 Package)