BY127/BY133
General Purpose Silicon Rectifier
VOLTAGE RANGE
CURRENT
1250 to 1300 Volts
1.0 Ampere
Features
High reverse voltage
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
o
DO-41
.034(0.9)
.028(0.7)
1.0(25.4)
MIN
DIA.
Mechanical Data
Case:
Transfer molded plastic
Epoxy:
UL94V-0 rate flame retardant
Polarity:
Color band denotes cathode end
Mounting position:
Any
Weight:
0.35 gram
.205(5.2)
.165(4.2)
.107(2.7)
.080(2.0)
1.0(25.4)
MIN
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 current by 20%.
o
Type Number
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
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
at rated DC blocking voltage
T
A
=25 C
T
A
=100 C
o
o
o
o
SYMBOLS
V
RRM
V
RMS
V
DC
I
(AV)
BY127
1250
875
1250
1.0
BY133
1300
910
1300
UNITS
V
olts
V
olts
V
olts
A
mp
I
FSM
V
F
I
R
30
1.1
5.0
50
A
mps
V
olts
A
mps
Maximum Full Load Reverse Current,full cycle
average 0.375
”
(9.5mm) lead length at T
L
=75 C
Typical Junction Capacitance(NOTE1)
Typical Thermal Resistance(NOTE2)
Operating and Storage Temperature Range
I
R(AV)
C
J
R
JA
30
15
50
-65 to +175
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 0.375
”
(9.5mm) lead length,P.C.board mounted.
http://www.luguang.cn
mail:lge@luguang.cn
BY127/BY133
General Purpose Silicon Rectifier
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT,
1.2
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
30
8.3ms Single Half Sine-Wave
(JEDEC Method) T
j
=T
j
max
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
o
CURRENT,(A)
(A)
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375
＂
(9.5mm) Lead Length
20
10
1 Cycle
150
175
0
AMBIENT TEMPERATURE,( C)
1
2
4
6
8
10
20
40
60 80100
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
INSTANTANEOUS REVERSE CURRENT,
20
10
20
10
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
T
j
=100 C
1.0
o
1.0
T
j
=25 C
Pulse Width=300us
1% Duty Cycle
o
(uA)
0.1
(A)
0.1
T
j
=25 C
o
0.01
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.01
0
20
40
60
80
100
120
140
INSTANTANEOUS FORWARD VOLTAGE,(V)
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE,(pF)
10
T
j
=25 C
f=1MHz
V
sig
=50mVp-p
1
o
0.1
1.0
10
100
REVRESE VOLTAGE,(V)
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mail:lge@luguang.cn
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