BY127-BY133

AXIAL SILASTIC GUARD JUNCTION STANDARD RECTIFIER
VOLTAGE RANGE
CURRENT
BY127 THRU BY133
DO-41
FEATURES
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Low coat construction
Low forward voltage drop
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension
1.0(25.4)
MIN.
.205(5.2)
.166(4.2)
.107(2.7) DIA.
.080(2.0)
MECHANICAL DATA
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1250 to 1300 Volts
1.0 Ampere
Case: Transfer molded plastic
Epoxy: UL94V-O rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.012 ounce, 0.33 grams
1.0(25.4)
MIN.
.034(0.9)
.028(0.7)
DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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•
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Ratings at 25OC ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
VRRM
VRMS
VDC
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= 25℃
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
BY127
1250
875
1250
BY133
1300
910
1300
UNIT
Volts
Volts
Volts
I(AV)
1.0
Amps
IFSM
30
Amps
VF
1.1
5.0
50
Volts
IR(AV)
30
µA
CJ
15
pF
Typical Thermal Resistance (Note 2)
RθJA
50
℃/W
Operating Junction Temperature Range
TJ
TSTG
-55 to +150
-55 to +150
℃
Maximum Instantaneous Forward Voltage @ 1.0A
Maximum DC Reverse Current at Rated
DC Blocking Voltage per element
TA = 25℃
TA = 100℃
Maximum Full Load Reverse Current, full cycle average
0.375”(9.5mm)lead length at TL=75℃
Typical Junction Capacitance (Note 1)
Storage Temperature Range
IR
Notes:
1. Measured at 1.0MHz and Applied Reverse Voltage of 4.0V DC.
2. Thermal Resistance from junction to ambient at .375”(9.5mm) lead length, P.C.board mounted.
Web Site: www.hkmic.com
µA
℃
AXIAL SILASTIC GUARD JUNCTION STANDARD RECTIFIER
VOLTAGE RANGE
CURRENT
BY127 THRU BY133
1250 to 1300 Volts
1.0 Ampere
RATING AND CHRACTERISTIC CURVES BY127 Thur BY133
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
0.8
0.6
0.4
Single Phase
Half Wave 60Hz
0.2
Resistive or
Inductive Load
0
0
25
100
75
50
150
125
25
CURRENT, (A)
PEAK FORWARD SURGE
1.0
(A)
AVERAGE FORWARD CURRENT,
1.2
8.3ms Single Half Sine-Wave
(JEDEC Method) =T T j
jmax
20
10
0
175
1
5
2
8
20
10
50
100
NUMBER OF CYCLES AT 60 Hz
AMBIENT TEMPERATURE, (° C)
FIG.3-TYPICAL INSTANTANEOUS
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
FORWARD CHARACTERISTICS
10
0.1
Tj =25° C
Pulse Width=300us
1% Duty Cycle
0.01
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Tj =100° C
1.0
(mA)
INSTANTANEOUS REVERSE CURRENT,
1
(A)
INSTANTANEOUS FORWARD CURRENT,
10
0.1
Tj =25° C
0.01
0
INSTANTANEOUS FORWARD VOLTAGE,(V)
20
40
60
80
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
CAPACITANCE,(pF)
100
10
TJ=25° C F=1MHz
10
0.1
1.0
10.0
4.0
100
REVERSE VOLTAGE,(VOLTS)
Web Site: www.hkmic.com
100
120
140
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