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BY127 Datasheet, PDF (1/2 Pages) Jinan Gude Electronic Device – 0.25 TO 0.5 AMP.SILICON RECTIFIERS
BY127, BY133, EM513, EM516
GENERAL PURPOSE PLASTIC RECTIFIER
Reverse Voltage - 1250 to 1800 Volts
Forward Current - 1.0 Ampere
Features
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Construction utilizes void-free molded plastic technique
Low reverse leakage
Low forward voltage drop
High current capability
High reliability
High surge current capability
Mechanical Data
Case: Molded plastic, DO-41
Lead: Axial leads, solderable per MIL-STD-202,
method 208 guaranteed
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 ounce, 0.33 gram
D IM E N S IO N S
inches
mm
DIM
Note
Min.
Max.
Min.
Max.
A
0.165
0.205
4.2
5.2
B
0.079
0.106
2.0
2.7
C
0.028
0.034
0.71
0.86
D
1.000
-
25.40
-
Maximum Ratings and Electrical Characteristics
Ratings at 25 ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Symbols
BY127
BY133
EM513
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
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (MIL-STD-750D 4066 method)
VRRM
VRMS
VDC
I(AV)
IFSM
1250
875
1250
1300
910
1300
1600
1120
1600
1.0
30.0
Maximum forward voltage at 1.0A DC and 25
VF
1.1
Maximum full load reverse current
at rated DC blocking voltage
TTAA==12050
IR
5.0
200.0
Typical junction capacitance (Note 1)
CJ
15.0
Typical thermal resistance (Note 2)
R
R
JA
JL
50.0
25.0
Operating and storage temperature range
TJ, TSTG
-55 to +150
Notes:
(1) Measured at 1.0MHz and applied reverse voltage of 4.0 VDC
(2) Thermal resistance junction to ambient and from junction to lead at 0.375” (9.5mm) lead length, P.C.B. mounted
EM516
1800
1270
1800
Units
Volts
Volts
Volts
Amp
Amps
Volts
A
F
/W
1