RoHS
BY251-BY255
GENERAL PURPOSE SILICON RECTIFIER
FEATURES
Low cost construction
Low forward voltage drop
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
260 C/10 seconds/0.375
＂
(9.5mm)lead length
at 5 lbs (2,3kg) tension
.375(9.5)
o
VOLTAGE RANGE
CURRENT
200 to 1300 Volts
3.0 Amperes
.052(1.3)
.048(1.2)
1.0(25.4)
MIN
DIA.
MECHANICAL DATA
Case:
Transfer molded plastic
Epoxy:
UL94V-0 rate flame retardant
Polarity:
Color band denotes cathode end
Lead:
Plated axial lead ,solderable per MIL-STD-202E
method 208C
Mounting position:
Any
Weight:
0.042 ounce,1.19 grams
.335(8.5)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase,half wave,60Hz,resistive or inductive load.
For capacitive load derate current by 20%.
o
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
0.375
”
(9.5mm) lead length at T
A
=75 C
Peak Forward Surge Current
rated load (JEDEC Method)
o
8.3ms single half sine-wave superimposed on
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
at rated DC blocking voltage
T
A
=25 C
o
T
A
=150 C
o
W
Maximum Full Load Reverse Current,full cycle
o
average 0.375
”
(9.5mm) lead length at T
L
=105 C
Typical Junction Capacitance(NOTE1)
Typical Thermal Resistance(NOTE2)
Operating and Storage Temperature Range
J
E
E
C
E
L
R
T
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
I
R(AV)
C
J
R
JA
O
N
C
I
BY
252
400
280
400
1.0(25.4)
MIN
C
O
.220(5.6)
.197(5.0)
L
,
.
DIA
DO-27
D
T
Dimensions in inches and (millimeters)
SYMBOLS
BY
251
200
140
200
BY
253
600
420
600
3.0
BY
254
800
560
800
BY
255
1300
910
1300
UNITS
V
olts
V
olts
V
olts
A
mps
150
1.1
10
500
500
40
30
-65 to +175
A
mps
V
olts
A
mps
A
mps
pF
O
C/W
O
T
J
,T
STG
C
NOTES:
1.Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts.
2.Thermal Resistance from Junction to Ambient at 0.5
”
(12.5mm) lead length,P.C.board mounted with 0.8
＂
X0.8
＂
(20X20mm)copper heatsink.
WEJ ELECTRONIC CO.
Http:// www.wej.cn
E-mail:wej@yongerjia.com
WINNERJOIN [ SHENZHEN YONGERJIA INDUSTRY CO.,LTD ]
