BA157 - BA159
1.0AMP Fast Recovery Rectifiers
DO-41
RoRoHHSS
Pb
COCOMMPPLIALIANCENCE
Features
High efficiency, Low VF
High current capability
High reliability
High surge current capability
Low power loss
Green compound with suffix on packing
code & prefix on datecode
Mechanical Data
Cases: DO-41 Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Dimensions in inches and (millimeters)
Lead: Pure tin plated, lead free, solderable per
MIL-STD-202, Method 208 guaranteed
Marking Diagram
Polarity: Color band denotes cathode end
BA15X = Specific Device Code
G = Green Compound
High temperature soldering guaranteed: 260 /10s
/.375", (9.5mm) lead lengths at 5 lbs, Y = Year
(2.3kg) tension
WW = Work Week
Weight: 0.34 grams
Maximum Ratings and Electrical Characteristics
Rating at 25 ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
BA157 BA158 BA159
Type Number Symbol Units
Maximum Recurrent Peak Reverse Voltage V 400 600 1000 V
RRM
Maximum RMS Voltage V 280 420 700 V
RMS
Maximum DC Blocking Voltage V 400 600 1000 V
DC
Maximum Average Forward Rectified Current
I 1 A
F(AV)
.375 (9.5mm) Lead Length @ T =45
A
Peak Forward Surge Current, 8.3 ms Single Half Sine-
I
30 A
FSM
wave Superimposed on Rated Load (JEDEC method)
Maximum Instantaneous Forward Voltage (Note 1)
V 1.2 V
F
@ 1 A
Maximum DC Reverse Current at @ T =25 5 uA
A
I
R
Rated DC Blocking Voltage @ T =125
A 150 uA
Maximum Reverse Recovery Time (Note 2) 150 250
Trr nS
Typical Junction Capacitance (Note 3) 10
Cj pF
O
Typical Thermal Resistance (Note 4) R 65
jA C/W
O
Operating Temperature Range T - 65 to + 150
J C
O
Storage Temperature Range T - 65 to + 150
STG C
Note 1: Pulse Test with PW=300 usec, 1% Duty Cycle
Note 2: Reverse Recovery Test Conditions: I =0.5A, I =1.0A, I =0.25A
F R RR
Note 3: Measured at 1 MHz and Applied Reverse Voltage of 4.0V D.C.
Note 4: Mount on Cu-Pad Size 5mm x 5mm on PCB
Version:C10RATINGS AND CHARACTERISTIC CURVES (BA157 THRU BA159)
FIG. 2- TYPICAL REVERSE CHARACTERISTICS
FIG.1- MAXIMUM FORWARD CURRENT DERATING
PER LEG
CURVE
1000
1.25
1
100
0.75
TA=125
0.5
RESISTIVE OR
10
TA=75
INDUCTIVE LOAD
0.25
0
0 25 50 75 100 125 150 175
1
o
LEAD TEMPERATURE ( C)
TA=25
0.1
0 20 40 60 80 100 120 140
FIG. 3- MAXIMUM NON-REPETITIVE FORWARD
PERCENT OF RATED PEAK REVERSE VOLTAGE
(%)
SURGE CURRENT
70
60
8.3mS Single Half Sine Wave
50
JEDEC Method
40
FIG. 5- TYPICAL FORWARD CHARACTERISRICS
30
100
20
TA=25
10
Pulse Width=300us
1% Duty Cycle
0
1 10 100
10
NUMBER OF CYCLES AT 60 Hz
1
FIG. 4- TYPICAL JUNCTION CAPACITANCE
100
0.1
TA=25
0.01
10
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
FORWARD VOLTAGE (V)
1
1 10 100
REVERSE VOLTAGE (V)
Version:C10
AVERAGE FORWARD
PEAK FORWARD SURGE A
JUNCTION CAPACITANCE (pF)
CURRENT (A)
CURRENT (A)
INSTANTANEOUS FORWARD CURRENT (A)
INSTANTANEOUS REVERSE CURRENT (uA)