Shunye BY254 General purpose silicon rectifier Datasheet

BY251 THRU BY255
GENERAL PURPOSE SILICON RECTIFIER
Reverse Voltage - 200 to 1300 Volts
Forward Current - 3.0 Ampere
FEATURES
DO-201AD
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Construction utilizes void-free
molded plastic technique
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375”(9.5mm) lead length,
5 lbs. (2.3kg) tension
1.0 (25.4)
MIN.
0.220 (5.6)
0.197(5.0)
DIA.
0.375(9.5)
0.285(7.2)
MECHANICAL DATA
1.0 (25.4)
MIN.
Case: JEDEC DO-201AD molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.04 ounce, 1.10 grams
0.052 (1.3)
0.048 (1.2)
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 current derate by 20%.
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=75 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current
TA=25 C
at rated DC blocking voltage
TA=100 C
Typical junction capacitance (NOTE 1)
Typical thermal resistance (NOTE 2)
Operating junction and storage temperature range
SYMBOLS
BY251
BY252
BY253
BY254
BY255
UNITS
VRRM
VRMS
VDC
200
140
200
400
280
400
600
420
600
800
560
800
1300
910
1300
VOLTS
VOLTS
VOLTS
I(AV)
3.0
Amps
IFSM
150
Amps
VF
1.1
Volts
IR
10.0
500
uA
CJ
RqJA
TJ,TSTG
30.0
20.0
-65 to +175
pF
C/W
C
Note:1.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
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RATINGS AND CHARACTERISTIC CURVES BY251 THRU BY255
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
2.4
1.8
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
1.2
0.6
0
0
25
50
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
£PEAK FORWARD SURGE CURRENT,
AMPERES
3.0
75
100
125
150
150
125
100
75
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
50
175
25
1
10
AMBIENT TEMPERATURE, C
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
1,000
10
1
TJ=25 C
PULSE WIDTH=300 ms
1%DUTY CYCLE
0.1
0.01
0.6
0.8
1.0
1.2
1.4
1.5
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
20
100
TJ=150 C
10
TJ=100 C
1
0.1
TJ=25 C
0.01
INSTANTANEOUS FORWARD VOLEAGE,
VOLTS
20
40
60
80
TJ=25 C
10
100
10
1
0.1
0.01
0.1
1
10
1
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
100
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
TRANSIENT THERMAL IMPEDANCE,
C/W
FIG. 5-TYPICAL JUNCTION CAPACITANCE
100
0
PERCENT OF PEAK REVERSE VOLTAGE,%
200
JUNCTION CAPACITANCE, pF
100
NUMBER OF CYCLES AT 60 Hz
t,PULSE DURATION,sec.
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100
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