PAGE . 1STAD-FEB.27.2009
1
BY127M,BY133,EM513
FEATURES
• Low forward voltage drop
• High current capability
• High reliability
• High surge current capability
• Exceeds environmental standards of MIL-S-19500/228
• In compliance with EU RoHS 2002/95/EC directives
MECHANICAL DATA
• Case: DO-41 Molded plastic
• Epoxy: UL 94V-O rate flame retardant.
• Lead: Axial leads, solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes cathode end
• Mounting Position: Any
• Weight: 0.012 ounces, 0.30 gram
PLASTIC SILICON RECTIFIERS
NOTES:
1. Measured at 1 MHz and applied reverse voltage of 4.0 VDC.
2. Thermal Resistance from Junction to Ambient and from junction to lead at 0.375”(9.5mm)lead length P.C.B.mounted.
DO-41
Unit: inch(mm)
.034(.86)
.107(2.7)
.028(.71)
.080(2.0)
1.0(25.4)MIN. 1.0(25.4)MIN.
.205(5.2)
.160(4.1)
VOLTAGE 1250 to 1600 Volts CURRENT 1.0 Ampere
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load,derate current by 20%.
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PAGE . 2STAD-FEB.27.2009
1
BY127M,BY133,EM513
RATING AND CHARACTERISTIC CURVES
Fig.1-FORWARD CURRENT DERATING CURVE
Fig.4-MAXIMUMNON-REPETITIVE SURGE CURRENT
Fig.5-TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
,
AMPERES
NO. OF CYCLE AT 60HZ
40
35
30
25
20
15
10
5
012 51020 50100
CAPACITANCE, pF
REVERSEVOLTAGE, VOLTS
10.1 0.4 1.0 4 10 40 100
2
20
4
40
6
60
10
100
AVERAGEFORWARDRECITIFIED
CURRENTAMPERES
2.5
2.0
1.0
0
0.5
1.5
0 20 40 60 80 100 120 140 160
AMBIENT TEMPERAURE, C
O
T=25C
J
O
100
40
20
10
4.0
2.0
1.0
0.4
0.2
0.1
0.6 0.8 1.0 1.2 1.4 1.6 1.8
0.4
Fig.2-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
INSTANTANEOUS FORWARD CURRENT,
AMPERES
Fig.3-TYPICAL REVERSE CHARACTERISTIC
INSTANTANEOUS REVERSE CURRENT , A
PERCENTAGE OF PEAK REVERSE VOLTAGE,%
0.1
20 40 60 80 100 120 140
1.0
10
100
1000
T=125 C
o
J
T=100C
J
O
T=25C
J
O
