BY251 THRU BY255

BY251 THRU BY255
R
GENERAL PURPOSE PLASTIC RECTIFIER
Reverse Voltage - 200 to 1300 Volts
Forward Current -3.0Amperes
S E M I C O N D U C T O R
FEATURES
DO-201AD
JF
Low forward voltage drop
High current capability
1.0(25.4)
MIN
High reliability
High surge current capability
High temperature soldering guaranteed:260 °C/10 seconds at terminals
Component in accordance to RoHs 2002/95/EC and WEEE 2002/96/EC
0.220(5.6)
0.197(5.0)
DIA
MECHANICAL DATA
0.375(9.50)
0.335(8.50)
Case: JEDEC DO-201AD molded plastic body
Terminals: Plated axial lead solderable per MIL-STD-750,method 2026
Polarity: Color band denotes cathode end
Weight: 1.2 grams
1.0(25.4)
MIN
0.052(1.30)
0.048(1.20)
DIA
Dimensions in inches and (millimeters)
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 by 20%.)
Symbols
BY
251
BY
252
BY
253
BY
254
BY
255
200
400
600
800
1300
140
280
420
560
910
200
400
600
800
1300
Units
Maximum DC Blocking Voltage
VRRM
VRMS
VDC
Maximum average Forward Rectified Current
0.5"(12.5mm)lead length at TA=75 C
I(AV)
3.0
Amps
Peak Forward Surge Current (8.3ms half sinewave superimposed on rated load
(JEDEC method)
IFSM
150.0
Amps
VF
1.0
Volts
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum Instantaneous Forward Voltage
at 3.0 A
Maximum Reverse
TA =25 C
current at rated DC Blocking
TA =100 C
Voltage
Maximum Full Load Reverse Current,Full
Cycle Average .375"(9.5mm)Lead Length
@TA=75°C
5.0
100.0
IR
30
Volts
Volts
Volts
A
A
Typical Junction Capacitance (Note 1)
CJ
40.0
PF
Typical Thermal Resistance (Note 2)
R JA
TJ
TSTG
40.0
C/W
-65 to+150
C
Operating and Storage temperature Range
Note: 1.Measured at 1MHz and applied reverse voltage of 4.0V D.C
2.Mount onCu-Pad Size 16mm×16MM on P.C.B.
JINAN JINGHENG ELECTRONICS CO., LTD.
6-44
HTTP://WWW.JINGHENGGROUP.COM
FIG.2-TYPICAL INSTANTANEOUS FORWARD
VOLTAGE.(V)
4
100
3
30
2
INSTANTANEOUS FORWARD CURRENT( AMPERES)
AVERAGE FORWARD CURRENT (AMPERES)
FIG.1-FORWARD CURRENT DERATING CURVE
SILICON
RECTIFIER
RATINGS AND CHARACTERISTIC CURVES BY251 THRU BY255
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
0.375"(9.5mm) lead length
1
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE ( C)
FIG.3-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
10
3
1
0.1
TJ=25 C
PULSE WIDTH=300 S
1% DUTY CYCLE
0.3
PEAK FORWARD SURGE
CURRENT(AMPERES)
0.01
0.4
100
0.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
50
FIG.4-TYPICAL REVERSE CHARACTERISTICS
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
1
10
INSTANTANEOUS REVERSE CURRENT ( A)
0
100
NUMBER OF CYCLES AT 60Hz
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE(pF)
0.6
50
10
TJ=100 C
1.0
0.1
TJ=25 C
0.01
10
TJ=25 C
0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE VOLTAGE %
5
1
1
5
10
50
120
100
REVERSE VOLTAGE.( VOLTS)
JINAN JINGHENG ELECTRONICS CO., LTD.
6-45
HTTP://WWW.JINGHENGGROUP.COM
140