RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
TECHNICAL SPECIFICATION
S OF
SILICON RECTIFIER
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
* 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%.
BY251
THRU
BY255
DO-27
NOTES :
Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts
Dimensions in inches and (millimeters)
at Rated DC Blocking Voltage
Maximum Full Load Reverse Current Average, Full Cycle
.375*(9.5mm) l ead length a t T
L
= 75
o
C
V
F
I
R
1.1
5.0
30 uAmps
uAmps
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 3.0A DC Volts
@T
A
= 25
o
C
@T
A
= 100
o
C500
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375*(9.5mm) l ead length a t T
L
= 105
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC Method)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
DC
I
O
I
FSM
T
J
, T
STG
V
RMS
Volts
Volts
Volts
Amps3.0
200
-65 to + 175
Amps
0
C
UNITS
Typical Thermal Resistance Rq
JA
30
0
C/W
* Lead: MIL-STD-202E, Method 208 guaranteed
* Polarity: Color band denotes cathode end
Typical Junction Capacitance (Note) C
J
40 pF
BY251 BY252 BY253 BY254 BY255
200 400 600 800 1300
140 280 420 560 910
200 400 600 800 1300
114
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