BYV37-BYV38
2.0A Axial Leaded Fast Recovery Rectifier
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
A
B
A
D
C
Mechanical Data
·
Case:JEDEC DO-15,molded plastic
·
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
·
Polarity: Color band denotes cathode
·
Weight: 0.014 ounces,0.39 grams
·
Mounting position: Any
Dim
A
B
C
D
DO-15
Min
25.40
5.50
0.686
2.60
Max
¾
7.62
0.889
3.60
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
@ T
A
= 25°C unless otherwise specified
BYV
37
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
BYV
38
1000
700
1000
2.0
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
800
560
800
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=125
I
FSM
50.0
A
Maximum instantaneous forw ard voltage
@ 1.0 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
1.1
5.0
100
300
15
45
- 55---- +150
- 55---- +150
V
A
ns
pF
K/W
Maximum reverse recovery time (Note1)
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
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,I=10mm,T
L
=constant.
1 of 2
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 EDANCE = 1M . 22PF
E
AX. UT P
2. RISE TIM = 10ns M SOURCE IM EDANCE = 50
E
AX.
P
SET TIM BASEFOR 50/100 ns /cm
E
FIG.2 --TYPICAL FORWARD CHARACTERISTIC
INSTANTANEOUS FORWARD CURRENT
AMPERES
AVERAGE FORWARD RECTIFIED
CURRENT,AMPERES
100
10
T
J
=25
Pulse Width=300
µ
S
FIG.3-- FORWARD DERATING CURRENT
2.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
4
2
1.0
0.4
0.2
0 .1
0 . 06
0 .0 4
1.5
1.0
0.5
0.02
0.01
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
00
25
50
75
100
125
150 175
200
225
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
AMBIENT TEMPERATURE,
FIG.4-- PEAK FORWARD SURGE CURRENT
FIG.7 --TYPICAL JUNCTION CAPACITANCE
PEAK FORWARD SURGE CURRENT
AMPERES
200
JUNCTION CAPACITANCE,pF
50
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20
40
100
T
J
=25
f=1M
Hz
40
30
8.3ms Single Half
Sine-Wave
20
10
0
0.1
5
10
50
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE,VOLTS
2of2
PCB设计
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