LESHAN RADIO COMPANY, LTD.
BA157 thru BA159P
1.Feature & Dimensions
* Plastic package has Underwriters Laboratories
*
*
*
*
*
Flammability Classification 94V-0
High surge current capability
Fast switching for high efficiency
Soft recovery characteristics
Diffused junction
High temperature soldering guaranteed:
260°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Fast Switching Plastic Rectifiers
Reverse Voltage 400 to 1000V
Forward Current 1.0A
2.Mechanical Data
Case:
JEDEC
DO-41,
molded plastic body
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes cathode end
Mounting Position:
Any
Weight:
0.012 oz., 0.34 g
Handling precautin:None
We declare that the material of product
compliance with RoHS requirements.
3.Electrical Characteristic
Parameter Symbol
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
= 55°C
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
symbol
V
RRM
V
RMS
V
DC
IF(AV)
I
FSM
BA157
400
280
400
Maximum Ratings & Thermal Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
BA158
600
420
600
BA159D
800
560
800
1.0
30
55
–50 to +150
BA159
1000
700
1000
BA159P
1000
700
1000
Unit
V
V
V
A
A
°C/W
°C
Typical thermal resistance (Note 2)
RθJA
Operating junction and storage temperature rangeTJ, TSTG
Electrical Characteristics Ratings
at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
symbol
V
F
IR
trr
CJ
150
250
15
BA157
BA158
BA159D
1.30
5.0
100
500
250
BA159
BA159P
Unit
V
µA
ns
PF
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
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LESHAN RADIO COMPANY, LTD.
4.Ratings and Characteristic Curves
( TA = 25°C unless otherwise noted )
Fig. 1
–
Forward Current Derating Curve
Average Forward Rectified Current (A)
60 Hz
Resistive or
Inductive Load
Fig. 2
–
Maximum Non-repetitive Peak
Forward Surge Current
Average Forward Rectified Current (A)
TJ = TJ max
8.3ms Single Half Sine-wave
(JEDEC Method)
1.0
30
0.5
15
0.375" (9.5mm) Lead Length
0
0
25
50 75 100 125 150 175
Ambient Temperature, °C
0
1
10
Number of Cycles at 60Hz
100
Instantaneous Forward Current (A)
Instantaneous Reverse Current (µA)
10
Fig 3.
–
Typical Instantaneous Forward
Characteristics
Fig 4.
–
Typical Reverse Characteristics
100
Tj=100℃
1.0
10
0.1
1.0
0.01
TJ = 25°C
Pulse width = 300µs
1% Duty Cycle
0.1
Tj=25℃
0.001
0.6
0.8
1.0
1.2
1.4
1.6
Instantaneous Forward Voltage (V)
Fig 5.
–typical
transient thermal
impedance
0.01
0
20
40
60
80
100
Percent of Rated Peak Reverse Voltage (%)
Fig 6.
–
Typical Junction Capacitance
Transient thermal impedance(°C/W)
Junction Capacitance (pF)
100
20
10
10
1.0
TJ = 25°C
f = 1.0 MHz
Vsig = 50mVp-p
0.1
0.01
0.1
1.0
10
t,Pulse duration,sec
100
1.0
0.1
1
10
Reverse Voltage (V)
100
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