DC COMPONENTS CO., LTD.
R
RECTIFIER SPECIALISTS
BY251
THRU
BY255
TECHNICAL SPECIFICATION
VOLTAGE RANGE - 200 to 1300 Volts CURRENT - 3.0 Amperes
FEATURES
* Low cost
* Low leakage
* Low forward voltage drop
* High current capability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 1.18 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
S OF
SILICON RECTIFIER
DO-27
Dimensions in inches and (millimeters)
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375*(9.5mm) lead length at TL = 105oC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 3.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Maximum Full Load Reverse Current Average, Full Cycle
.375*(9.5mm) lead length at T
Typical Junction Capacitance (Note) C
Typical Thermal Resistance
Operating and Storage Temperature Range
Measured at 1 MHZ and applied reverse voltage of 4.0 volts
NOTES :
L
= 75oC
@TA= 25oC
@TA= 100oC
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
V
F
I
R
J
R q
JA
TJ, T
STG
114
BY251 BY252 BY253 BY254 BY255
200 400 600 800 1300
140 280 420 560 910
200 400 600 800 1300
200
1.1
5.0
500
30 uAmps
40 pF
30
-65 to + 175
UNITS
Volts
Volts
Volts
Amps3.0
Amps
Volts
uAmps
0
C/W
0
C
RATING AND CHARACTERISTIC CURVES (BY251 THRU BY255)
DC COMPONENTS CO., LTD.
R
115