FEATURES
● Fast switching for high efficiency
● Low cost
● Diffused junction
● Low reverse leakage current
● Low forward voltage drop
● High current capability
● The plastic material carries UL recognition 94V-0
MECHANICAL DATA
●Case: JEDEC DO-41 molded plastic
●Polarity: Color band denotes cathode
●Weight: 0.012 ounces , 0.34 grams
●Mounting position: Any
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
BA157
BA158
BA159
FR104
FR105
FR107
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V
Maximum Average Forward
Rectified Current @TA=75 ℃
Peak Forward Surage Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load(JEDEC Method)
Peak Forward Voltage at 1.0A DC VFV
Maximum DC Reverse Current @TJ=25℃
at Rated DC Blocking Voltage @TJ=100℃
Maximum Reverse Recovery Time (Note 1) TRR 250 nS
Tyical Junction Capacitance (Note2) CJpF
Tyical Thermal Resistance (Note3) RθJA ℃/W
Operating Temperature Range TJ℃
Storage Temperature Range TSTG ℃
500
uA
~ 45 ~
25 15
25
-50 to +125
-50 to +150
2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
3.Thermal resistance junction of ambient.
1.3
5.0
IFSM 30
IR
A
I(AV) 1.0 A
FR1/BA157 SERIES
FAST RECOVERY RECTIFIERS REVERSE VOLTAGE - 50 to 1000 Volts
FORWARD CURRENT - 1.0 Amperes
NOTES: 1.Measured with IF=0.5A,IR=1A,IRR=0.25A
100
CHARACTERISTICS SYMBOL FR101 FR102 FR103 FR106 UNIT
150
DO- 41
.107(2.7)
.080(2.0)
.034(0.9)
.028(0.7)
DIA
DIA
.205(5.2)
MAX
1.0(25.4)
MIN.
1.0(25.4)
MIN.
RATING AND CHARACTERTIC CURVES
FR1/BA157 SERIES
~ 46 ~
FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT
NUMBER OF CYCLES AT 60Hz
PEAK FORWARD SURGE CURRENT
AMPERES
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
1
20
10
0
30
40
2 5 10 20 50 100
FIG. 1 – FORWARD CURRENT DERATING CURVE
AMBIENT TEMPERATURE (℃)
AVERAGE FORWARD CURRENT
AMPERES
0.4
0.2
025
0.6
0.8
1.0
50 75 100 125 150 175
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG.3 – TYPICAL JUNCTION CAPACITANCE
CAPACITANCE (pF)
REVERSE VOLTAGE ,VOLTS
1
100
10
14 10 100
TJ = 25°C f = 1 MHz
FR105 - FR107
FR101 - FR104
FIG.4-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
AMPERES
INSTANTANEOUS FORWARD VOLTAGE ,VOLTS
TJ = 25°C
PULSE WIDTH 300us
0
0.1
1.0
0.01
10
0.4 0.6
0.8
1.0 1.2 1.4 1.6 1.80.2
