The EC103B is a sensitivegate silicon controlled rectifier (SCR) designed for reliable switching of small power loads. This listing includes 20 pieces of EC103B SCRs, identical in model and specification to the EC103 family, optimized for low gate current triggering and compact control circuits. Key benefits Sensitive gate triggering: designed to switch with low gate current from logiclevel drivers or microcontrollers, simplifying interface circuitry. Moderate power handling: rated for 0.8 A and 200 V, suitable for small motor, solenoid, LED driver, or heater control applications. Small footprint and versatility: compact SCR suitable for boardmounted or prototyping projects requiring a simple, dependable SCR solution. Value pack: 20 pieces per provides ready stock for multiple projects or spare parts. Key attributes Type: SCR (silicon controlled rectifier) with sensitive gate Model: EC103B; equivalent or related to EC103 Gate: Sensitive gate design for low drive current Current rating: 0.8 A Voltage rating: 200 V (blocking/offstate) Material: Silicon Packaging: 20 pieces per kit (no packing details specified) Applications and use cases Microcontrollerdriven control of small DC loads: drive a small DC motor, solenoid, or lamp with minimal gate drive current from a microcontroller or logic circuit. Lowpower power control or rectification: integrate into small power supplies, regulator circuitry, or heater control where a controlled rectifier is appropriate. Replacement part in EC103Bbased designs: suitable for hobbyist projects, educational kits, or tasks requiring the EC103B SCR. Overall, this 20piece EC103B SCR set provides a readytouse, sensitivegate solution for switching small loads with low gate drive requirements, aligned with the EC103 family specifications and performance.