1.0 AMP SILICON RECTIFIERS
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=75 C
FEATURES
MECHANICAL DATA
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=100 C
Typical Junction Capacitance (Note 1)
BY127M BY133 EM513
UNITS
1250 1300 1600 V
1250 1300 1600 V
875 910 1120 V
1.0
30
5.0
50
15
-65 +150
A
A
V
A
A
pF
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance from Junction to Ambient .375" (9.5mm) lead length.
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
Weight: 0.34 grams
BY127M, BY133, EM513
1.1
Typical Thermal Resistance R JA (Note 2)
50
*
VOLTAGE RANGE
1250 to 1600 Volts
CURRENT
1.0 Ampere
DO-41
Dimensions in inches and (millimeters)
1.0(25.4)
MIN.
1.0(25.4)
MIN.
.205(5.2)
.166(4.2)
.034(.9)
.028(.7)
DIA.
.107(2.7)
.080(2.0)
DIA.
Operating and Storage Temperature Range T , T
J
STG
C
C/W
.1
1.0
10
100
RATING AND CHARACTERISTIC CURVES (BY127M, BY133, EM513)
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
(
A
)
0 20 40 60 80 100 120 140
.01
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
Tj=100 C
Tj=25 C
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
0.2
0
0.4
0.6
0.8
1.0
1.2
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
0.1
1.0
.01
10
50
CHARACTERISTICS
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
FORWARD VOLTAGE,(V)
Pulse Width 300us
1% Duty Cycle
.6 .7 .8 .9 1.0 1.1 1.2 1.3
3.0
Tj=25 C
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
J
U
N
C
T
I
O
N
C
A
P
A
C
I
T
A
N
C
E
,
(
p
F
)
35
30
25
20
15
10
5
0
.01 .05 .1 .5 1 5 10 50 100
6
0
12
18
24
30
NUMBER OF CYCLES AT 60Hz
1
10
5
50
100
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
0 20 40 60 80 100 120 140 160 180 200
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
(
A
)
AMBIENT TEMPERATURE,( C)
FIG.1-TYPICAL FORWARD
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