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BY396 THRU BY399
3.0 AMPS. Fast Recovery Rectifiers
Voltage Range
100 to 800 Volts
Current
3.0 Amperes
F
eatures
Low forward voltage drop
High current capability
High reliability
High surge current capability
M
echanical Data
Cases: Molded plastic
Epoxy: UL 94V-0 rate flame retardant
Lead: Axial leads, solderable per MIL-
STD-202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
260℃/10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
Weight: 1.2 grams
DO-201AD
Dimensions in inches and (millimeters)
M
aximum 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%
Type Number Symbol
BY396
BY397
BY398
BY399
Uni
ts
Maximum Recurrent Peak Reverse Voltage VRRM 100 200 400 800 V
Maximum RMS Voltage VRMS 70 140 280 560 V
Maximum DC Blocking Voltage VDC 100 200 400 800 V
Maximum Average Forward Rectified Current
.375”(9.5mm) Lead Length @TA = 55℃ I(AV) 3.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method ) IFSM 150 A
Maximum Instantaneous Forward Voltage
@ 3.0A VF 1.2 V
Maximum DC Reverse Current @ TA=25℃
at Rated DC Blocking Voltage @ TA=100℃ IR 5
100 uA
uA
Maximum Reverse Recovery Time ( Note 1 ) Trr 250 nS
Typical Junction Capacitance ( Note 2 ) Cj 50 pF
Typical Thermal Resistance ( Note 3 ) R
θ
JA 40 OC/W
Operating Temperature Range TJ -65 to +150
℃
Storage Temperature Range TSTG -65 to +150
℃
Notes:1. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1 MHz and Applied Reverse Voltage of 4.0 Volts D.C.
3. Mount on Cu-Pad Size 16mm x 16mm on P.C.B.
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FIG.5- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50W
NONINDUCTIVE
1W
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
DUT
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
(-)
(+)
10W
NONINDUCTIVE
-1.0A
-0.25A
0
+0.5A
trr
1cm SET TIME BASE FOR
5/ 10ns/ cm
RATINGS AND CHARACTERISTIC CURVES (BY396 THRU BY399)
FIG.3- TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT. (A)
1.6 1.80.4 0.6 0.8 1.0 1.2 1.4
0.03
0.1
0.3
1
10
20
3
0.01
FORWARD VOLTAGE. (V)
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
FIG.4- TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE.(pF)
1 2 4 6 10 100604020
20
10
40
60
100
REVERSE VOLTAGE. (V)
Tj=25 C
0
FIG.2- MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
1051 50 100
100
150
50
10
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
Tj=25 C
0
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT AMPERES
250 50 75 100 125 150 175
2
0
1
3
4
AMBIENT TEMPERATURE. ( C)
o
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)
Lead Length
