# BY251 THRU BY255 Silicon Rectifiers

## Features
· Low forward voltage drop
· High current capability
· High reliability
· High surge current capability

## Mechanical Data
· Cases: Molded plastic
· Epoxy: UL 94V-O rate flame retardant
· Lead: Axial leads, solderable per MIL-STD-202
· Polarity: Color band denotes cathode end
· High temperature soldering: 260°C/10 seconds
· Weight: 1.2 grams

## Electrical Characteristics
️· Maximum Recurrent Peak Reverse Voltage (VRRM): 200V - 1300V (depending on model)
️· Maximum RMS Voltage (VRMS): 140V - 910V (depending on model)
️· Maximum DC Blocking Voltage (VDC): 200V - 1300V (depending on model)

️· Maximum Average Forward Rectified Current (I(AV)): 3.0A @ 75°C
️· Peak Forward Surge Current (IFSM): 150A
️· Maximum Instantaneous Forward Voltage (VF): 1.0V @ 3.0A
️· Maximum DC Reverse Current (IR): 5.0µA @ 25°C, 100µA @ 100°C
️· Maximum Full Load Reverse Current (HTIR): 30µA
️· Typical Junction Capacitance (Cj): 40pF
️· Typical Thermal Resistance (RθJA): 40°C/W
️· Operating Temperature Range (TJ): -65 to +150°C
️· Storage Temperature Range (TSTG): -65 to +150°C