Data Sheet
1.0 Amp FAST RECOVERY
PLASTIC RECTIFIERS
Mechanical Dimensions
JEDEC
D0-15
.104
.140
.230
.300
1.00 Min.
BA157 . . . 159 Series
Description
.031 typ.
Features
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
Electrical Characteristics @ 25
o
C.
Maximum Ratings
Peak Repetitive Reverse Voltage...V
RRM
RMS Reverse Voltage...V
R(rms)
DC Blocking Voltage...V
DC
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
θJC
(Note 2)
Typical Reverse Recovery Time...t
RR
Operating & Storage Temperature Range...T
J
, T
STRG
BA157 . . . 159 Series
BA157
400
280
400
BA158
600
420
600
BA159
1000
700
1000
Units
Volts
Volts
Volts
Amps
Amps
Amps
Volts
............................................. 1.0 ...............................................
............................................. 5.0 ...............................................
............................................. 35 ...............................................
............................................. 1.3 ...............................................
............................................. 5.0 ...............................................
µAmps
............................................. 100 ...............................................
µAmps
22
20
18
pF
°C
/ W
nS
°C
............................................. 60 ...............................................
300
300
500
......................................... -50 to 150 ..........................................
Page 4-4
Data Sheet
1.0 Amp FAST RECOVERY
PLASTIC RECTIFIERS
Forward Current Derating Curve
4
R Load
50
40
3
C Load
°
C / Watt
30
20
10
LL = 10mm
0
0
25
50
75
100 125 150 175
Thermal Resistance Junction to Ambient
Max.
2
Typ.
1
5
10
15
20
25
°
T
A
= Ambient Temperature (°C)
Lead Length in mm
Typical Junction Capacitance
Instantaneous Forward Current
30
100
10
Typ.
20
Amps
pF
1
.1
.01
.001
Max.
10
0
0
1
10
100
1000
.2
.4
.6
.8
1.0
1.2
1.4
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%.
Reverse Voltage (Volts)
Volts (V
F
)
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.
Page 4-5
BA157 . . . 159 Series
Amps
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