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| BA157G Datasheet, PDF (1/2 Pages) Leshan Radio Company – FAST GPP DIODES | |||
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BA157G thru BA159G
Glass Passivated Fast Recovery Rectifiers
Reverse Voltage 400 to 1000 Volts Forward Current 1.0 Ampere
Features
 Plastic package has Underwriters Laboratories Flammability
Classification 94V-0
 High temperature metallurgically bonded construction
 For use in high frequency rectifier circuits
 Fast switching for high efficiency
 Glass passivated cavity-free junction
 Capable of meeting environmental standards of MIL-S-19500
Â
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1.0 Ampere operation at TA=55oC with no
Typical IR less than 0.1uA
High temperature soldering guaranteed:
thermal
runaway
350oC/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Mechanical Data
 Case: JEDEC DO-204AL (DO-41), molded plastic over glass
body
 Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
 Polarity: Color band denotes cathode end
 Mounting Position: Any
 Weight: 0.012 ounce, 0.33 gram
Maximum Ratings and Electrical Characteristics
Ratings at 25oC ambient temperature unless otherwise specified.
Parameter
Symbols BA157G BA158G BA159DG BA159G
Maximum repetitive peak reverse voltage
VRRM
400
600
800
1000
Maximum RMS voltage
VRMS
280
420
560
700
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=55oC
Peak forward surge current
10ms single half sine-wave superimposed on
rated load at TA=25oC
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
at rated DC blocking voltage TA=25oC
Maximum reverse recovery time (Note 1)
VDC
400
600
800
1000
IF(AV)
1.0
IFSM
20.0
VF
1.3
IR
5.0
trr
150
250
500
Typical junction capacitance (Note 2)
CJ
15
Typical thermal resistance (Note 3)
RθJA
55.0
Operating junction temperature range
TJ
-55 to +150
Storage temperature range
TSTG
-55 to +150
Notes:
1. Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A
2. Measured at 1.0 MHz and applied reverse voltage of 4.0 Volts
3. Thermal resistance from junction to ambient at 0.375â (9.5mm) lead length, P.C.B. mounted
87
Units
Volts
Volts
Volts
Amp
Amps
Volts
uA
nS
pF
oC/W
oC
oC
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