CHENDA BA157 Fast recovery rectifier Datasheet

BA157 THRU BA159
FAST RECOVERY RECTIFIERS
Reverse Voltage - 400 to 1000 Volts
Forward Current - 1.0 Ampere
FEATURES
DO-41
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
Fast switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375”(9.5mm) lead length,
5 lbs. (2.3kg) tension
1.0 (25.4)
MIN.
0.107(2.7)
0.080(2.0)
DIA.
0.205(5.2)
0.166(4.2)
MECHANICAL DATA
1.0 (25.4)
MIN.
0.034(0.86)
0.028(0.70)
DIA.
Dimensions in inches and (millimeters)
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 ounce, 0.33 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=75 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current
TA=25 C
at rated DC blocking voltage
TA=100 C
Maximum reverse recovery time
(NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
SYMBOLS
BA157
BA158
BA159
UNITS
VRRM
VRMS
VDC
400
280
400
600
420
600
1000
700
1000
VOLTS
VOLTS
VOLTS
I(AV)
1.0
Amp
IFSM
30.0
Amps
VF
1.3
Volts
IR
5.0
50.0
µA
trr
CJ
RθJA
TJ,TSTG
150
250
15.0
50.0
-65 to +150
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375”(9.5mm)lead length,P.C.B. mounted
500
ns
pF
C/W
C
FIG. 1- FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
0.4
0.2
0
0
25
50
75
100
125
150
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
RATINGS AND CHARACTERISTIC CURVES BA157 THRU BA159
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
30
25
20
15
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
10
175
5.0
1
10
AMBIENT TEMPERATURE, C
20
10
1
TJ=25 C
PULSE WIDTH=300 µs
1%DUTY CYCLE
0.01
0.6
0.8
1.0
1.2
1.4
1.5
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
0.1
1,000
100
10
TJ=100 C
1
0.1
TJ=25 C
0.01
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
TJ=25 C
10
TRANSIENT THERMAL IMPEDANCE,
C/W
FIG. 5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
0
20
40
60
80
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1
1
10
1
0.1
1.0
10
REVERSE VOLTAGE,VOLTS
100
PERCENT OF PEAK REVERSE VOLTAGE,%
200
100
100
NUMBER OF CYCLES AT 60 Hz
100
t,PULSE DURATION,sec.
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
100
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