Description
Features
Mechanical Dimensions
Electrical Characteristics @ 25oC.
Maximum Ratings
Peak Repetitive Reverse Voltage...VRRM
RMS Reverse Voltage...VR(rms)
DC Blocking Voltage...VDC
BA157 . . . 159 Series
Average Forward Rectified Current...IF(av)
TA = 55°C
(Note 3)
Non-Repetitive Peak Forward Surge Current...IFSM
@ Rated Current & Temp
Forward Voltage @ 1.0A...VF
DC Reverse Current...IR@25°C
@ Rated DC Blocking Voltage @ 100°C
Typical Junction Capacitance...CJ
(Note 1)
Typical Thermal Resistance...RθJC
(Note 2)
Typical Reverse Recovery Time...tRR
Operating & Storage Temperature Range...TJ, TSTRG
Page 4-4
Data Sheet
1.0 Amp FAST RECOVERY
PLASTIC RECTIFIERS
BA157 BA158 BA159
400 600 1000
280 420 700
400 600 1000
............................................. 1.0 ...............................................
............................................. 5.0 ...............................................
............................................. 35 ...............................................
............................................. 1.3 ...............................................
............................................. 5.0 ...............................................
............................................. 100 ...............................................
............................................. 60 ...............................................
......................................... -50 to 150 ..........................................
Volts
Volts
Volts
Amps
Amps
Amps
Volts
µAmps
µAmps
pF
°C / W
nS
°C
Units
BA157 . . . 159 Series
nFAST SWITCHING FOR
HIGH EFFICIENCY
nHIGH SURGE CAPABILITY
n1.0 AMP OPERATION @ TA = 55°C, WITH
NO THERMAL RUNAWAY
nMEETS UL SPECIFICATION 94V-0
22 20 18
300 300 500
.230
.300
1.00 Min.
.031 typ.
.104
.140
JEDEC
D0-15
Data Sheet
1.0 Amp FAST RECOVERY
PLASTIC RECTIFIERS
BA157 . . . 159 Series
Page 4-5
NOTES: 1. Measured @ 1 MHZ and applied reverse voltage of 4.0V.
2. Thermal Resistance Junction to Ambient, Jedec Method.
3. When Mounted to heat sink, from body.
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
Single Phase Half
Wave, 60 HZ
Resistive or
Inductive Load.
For Capacitive
Load, Derate
Current by 20%.
Forward Current Derating Curve
3
2
1
025
50 75 100 150125 175
TA = Ambient Temperature (°°
°°
°C)
Amps
4
C Load
R Load
LL = 10mm
50
°°
°°
°C / Watt
40
30
20
10
0 5 10 15 20 25
Thermal Resistance Junction to Ambient
Lead Length in mm
Max.
Typ.
Typ.
Max.
Instantaneous Forward CurrentTypical Junction Capacitance
30
20
10
0
1 10 10 0 1000
pF
Amps
100
10
1
.1
.01
.001
0
.2 .4 .6 .8 1.0 1.2 1.4
Volts (VF)Reverse Voltage (Volts)
