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-27 molded plastic
●Polarity: Color band denotes cathode
●Weight: 0.04 ounces , 1.1 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%
BY396
BY397
BY398
BY399
FR302
FR303
FR304
FR306
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 3.0A DC VFV
Maximum DC Reverse Current @TJ=25℃
at Rated DC Blocking Voltage @TJ=100℃
Maximum Reverse Recovery Time(Note 1) TRR 250
Typical Junction Capacitance (Note2) CJpF
Typical Thermal Resistance (Note3) RθJA ℃/W
Operating Temperature Range TJ℃
Storage Temperature Range TSTG ℃
CHARACTERISTICS SYMBOL FR301 UNITFR305 FR307
FR3/BY396 SERIES
FAST RECOVERY RECTIFIERS REVERSE VOLTAGE - 50 to 1000 Volts
FORWARD CURRENT - 3.0 Amperes
15
~ 55 ~
-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.
NOTES: 1.Measured with IF=0.5A,IR=1A,IRR=0.25A
I(AV) 3.0 A
4065
150 500
1.3
5.0
100 uA
IFSM A150
IR
DO- 27
DIA.
DIA.
210
.375(9.5)
.335(8.5)
.052(1.3)
.048(1.2)
.220(5.6)
.197(5.0)
1.0(25.4)
1.0(25.4)
MIN
MIN
RATING AND CHARACTERTIC CURVES
FR3/BY396 SERIES
~ 56 ~
FIG. 1 – FORWARD CURRENT DERATING CURVE
AMBIENT TEMPERATURE (℃)
AVERAGE FORWARD CURRENT
AMPERES
1.0
025
2.0
3.0
50 75 100 125 150 175
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
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
100
50
0
150
200
2 5 10 20 50 100
FIG.3 – TYPICAL JUNCTION CAPACITANCE
CAPACITANCE (pF)
REVERSE VOLTAGE ,VOLTS
1
1000
100
10 410 100
FR301 - FR304
FR305 - FR307
TJ = 25°C f = 1 MHz
FIG.4-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
(A)
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
TJ = 25°C
PULSE WIDTH 300us
0.1
1.0
0.01
10
0 0.4 0.6
0.8
1.0 1.2 1.4 1.6 1.80.2
