BY396-BY399
Fast Recovery Rectifiers
VOLTAGE RANGE: 100--- 1000 V
CURRENT: 3.0 A
Features
Low cost
Diffused junction
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with Freon,Alcohol,Isopropanol
and similar solvents
The plastic material carries U/L recognition 94V-0
DO - 27
Mechanical Data
Case:JEDEC DO-27,molded plastic
Polarity: Color band denotes cathode
Weight:0.041 ounces,1.15 grams
Mounting position: Any
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
BY
396
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@T
A
=75
BY
397
200
140
200
BY
398
400
280
400
3.0
BY
399
800
560
800
BY
399S
1000
700
1000
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
100
70
100
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=125
I
FSM
100.0
A
Maximum instantaneous forw ard voltage
@ 3.0 A
Maximum reverse current
at rated DC blocking voltage
@T
A
=25
@T
A
=100
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
T
STG
150
1.25
10.0
200.0
250
V
A
ns
pF
／Ｗ
Maximum reverse recovery time (Note1)
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
32
22
- 55---- +150
- 55---- +150
Operating junction temperature range
Storage temperature range
NOTE:1. Measured with I
F
=0.5A, I
R
=1A, I
rr
=0.25A.
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
http://www.luguang.cn
mail:lge@luguang.cn
BY396-BY399
Fast Recovery Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
t
rr
50
N.1.
10
N.1.
+0.5A
D.U.T.
(+)
50VDC
(APPROX)
(-)
1
N.1.
( - )
0
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE 1)
( + )
-0.25A
-1.0A
1cm
NOTES:1.RISE TIM =7ns M INP IM DANCE=1M .22pF
E
AX. UT PE
2.RISETIM =10ns M SOURCEIM EDANCE
E
AX.
P
=5O
SET TIM BASE FOR 50/100 ns /cm
E
FIG.2 --TYPICAL FORWARD CHARACTERISTIC
AVERAGE FORWARD RECTIFIED CURRENT
AMPERES
INSTANTANEOUS FORWARD CURRENT
AMPERES
FIG.3 -- FORWARD DERATING CURVE
100
10
4
2
1.0
0.4
0.2
0.1
0.06
0.04
0.02
0.01
0.6
0.8
1.0
1.2
T
J
=25
Pulse Width=300
µ
S
3
2.5
2
Single Phase
Half Wave 60H
Z
Resistive or
Inductive Load
1.5
1
0.5
0
25
50
75
100
125
150
175
200
1.4
1.6
1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
FIG.4--TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,pF
100
60
40
20
10
AMBIENT TEMPERATURE,
FIG.5--PEAK FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
160
140
120
100
80
60
40
20
0
1
2
4
8 10
20
40
60 80 10 0
T
J
=125
8.3ms Single Half
Sine-Wave
4
2
1
.1
.2
T
J
=25
f=1M z
H
.4
1.0 2
4
1
0
20
40
1
00
REVERSE VOLTAGE,VOLTS
NUMBER OF CYCLES AT 60 Hz
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mail:lge@luguang.cn
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