BY251 - BY255
PRV : 200 - 1300 Volts Io : 3.0 Amperes
FEATURES :
* * * * * High current capability High surge current ca...
BY251 - BY255
PRV : 200 - 1300 Volts Io : 3.0 Amperes
FEATURES :
* * * * * High current capability High surge current capability High reliability Low reverse current Low forward
voltage drop
SILICON RECTIFIER DIODES
DO - 201AD
1.00 (25.4) MIN.
0.21 (5.33) 0.19 (4.83)
0.375 (9.53) 0.285 (7.24)
MECHANICAL DATA :
* Case : DO-201AD Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.929 grams
0.052 (1.32) 0.048 (1.22)
1.00 (25.4) MIN.
Dimensions in inches and ( millimeters )
Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
RATING Maximum Repetitive Peak Reverse
Voltage Maximum RMS
Voltage Maximum DC Blocking
Voltage Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 50 °C Peak Forward Surge Current 8.3ms Single half sine wave Superimposed on rated load (JEDEC Method) Maximum Forward
Voltage at IF = 3.0 Amps. Maximum DC Reverse Current at rated DC Blocking
Voltage Ta = 25 °C Ta = 100 °C
SYMBOL VRRM VRMS VDC IF
BY251 200 140 200
BY252 400 280 400
BY253 600 420 600 3.0
BY254 800 560 800
BY255 1300 910 1300
UNIT V V V A
IFSM VF IR IR(H) CJ RθJA TJ TSTG
100 1.1 20 50 50 18 - 65 to + 175 - 65 to + 175
A V µA µA pF °C/W °C °C
Typical Junc...