SY BY255G Glass passivated silicon rectifier Datasheet

BY251G THRU BY255G
GLASS PASSIVATED 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
BY251G
BY252G
BY253G
BY254G
BY255G
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
µA
CJ
RθJA
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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FIG. 1- FORWARD CURRENT DERATING CURVE
3.0
2.4
1.8
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
1.2
0.6
0
0
25
50
75
100
125
150
175
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
RATINGS AND CHARACTERISTIC CURVES BY251G THRU BY255G
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
150
125
100
75
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
50
25
1
10
AMBIENT TEMPERATURE, C
20
10
1
TJ=25 C
PULSE WIDTH=300 µs
1%DUTY CYCLE
0.01
0.6
0.8
1.0
1.2
1.4
1.5
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
0.1
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
1,000
100
TJ=100 C
1
0.1
TJ=25 C
0.01
TJ=25 C
10
1.0
10
TRANSIENT THERMAL IMPEDANCE,
C/W
JUNCTION CAPACITANCE, pF
FIG. 5-TYPICAL JUNCTION CAPACITANCE
0.1
0
20
40
60
80
100
PERCENT OF PEAK REVERSE VOLTAGE,%
200
1
TJ=150 C
10
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
100
100
NUMBER OF CYCLES AT 60 Hz
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1
1
10
100
REVERSE VOLTAGE,VOLTS
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t,PULSE DURATION,sec.
100
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