Description
Features
Mechanical Dimensions
Electrical Characteristics @ 25
o
C.
Maximum Ratings
Peak Repetitive Reverse Voltage...V
RRM
RMS Reverse Voltage...V
R(rms)
DC Blocking Voltage...V
DC
BA157 . . . 159 Series
Average Forward Rectified Current...I
F(av)
T
A
= 55
C
(Note 3)
Non-Repetitive Peak Forward Surge Current...I
FSM
@ Rated Current & Temp
Forward Voltage @ 1.0A...V
F
DC Reverse Current...I
R
@ 25
C
@ Rated DC Blocking Voltage @100
C
Typical Junction Capacitance...C
J
(Note 1)
Typical Thermal Resistance...R
JC
(Note 2)
Typical Reverse Recovery Time...t
RR
Operating & Storage Temperature Range...T
J
, T
STRG
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
Amps
Amps
pF
C / W
nS
C
Units
BA157 . . . 159 Series
n FAST SWITCHING FOR
HIGH EFFICIENCY
n HIGH SURGE CAPABILITY
n 1.0 AMP OPERATION @ T
A
= 55
C, WITH
NO THERMAL RUNAWAY
n MEETS 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
0
25
50
75 100
150
125
175
T
A
= Ambient Temperature (
C)
Amps
4
C Load
R Load
LL = 10mm
50
C / W
a
tt
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 Current
Typical Junction Capacitance
30
20
10
0
1
10
100
1000
pF
Amps
100
10
1
.1
.01
.001
0
.2
.4
.6
.8
1.0 1.2 1.4
Volts (V
F
)
Reverse Voltage (Volts)
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