BYT78 [LGE]
Fast Recovery Rectifiers; 快恢复二极管
| 型号： | BYT78 |
| 厂家： | 
LGE |
| 描述： | Fast Recovery Rectifiers |
| 文件： | 总2页 (文件大小：173K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
BYT77-BYT78
Fast Recovery Rectifiers
VOLTAGE RANGE: 800 --- 1000 V
CURRENT: 3.0 A
Features
DO - 27
Low cost
Diffused junction
Low leakage
Low forward voltage drop
High current capability
Easily cleaned with Freon Alcohol,Isopropanol and
similar solvents
Mechanical Data
Case: JEDEC DO--27,molded plastic
Polarity: Color band denotes cathode
Weight: 0.041ounces, 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,50Hz,resistive or inductive load. For capacitive load,derate by 20%.
BYT77
BYT78
UNITS
Maximum recurrent peak reverse voltage
Maximum RMS voltage
1000
700
V
V
V
VRRM
VRMS
VDC
800
560
800
Maximum DC blocking voltage
1000
Maximum average forw ard rectified current
3.0
A
IF(AV)
9.5mm lead length,
@TA=75
Peak forw ard surge current
10ms single half-sine-w ave
IFSM
100
A
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@ 3.0 A
1.1
VF
IR
V
A
Maximum reverse current
@TA=25
5.0
at rated DC blocking voltage @TA=125
150
Maximum reverse recovery time (Note1)
300
ns
pF
/W
trr
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
32
CJ
25
Rθ
JA
Operating junction temperature range
-55-----+150
-55-----+150
TJ
Storage temperature range
TSTG
NOTE:1. Measured with IF=0.5A, IR=1A, Irr=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.
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BYT77-BYT78
Fast Recovery Rectifiers
Ratings AND Charactieristic Curves
FIG.1 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
trr
50
N.1.
10
N.1.
+0.5A
D.U.T.
(
- )
0
(+)
PULSE
50VDC
(APPROX)
(-)
GENERATOR
(NOTE2)
.25A
OSCILLOSCOPE
(NOTE 1)
1
(
+ )
N.1.
-1.0A
1cm
NOTES:1.RISETIME=7ns MAX. INPUTIMPEDANCE=1M .22pF
2.RISE TIME=10ns MAX. SOURCE IMPEDANCE=5O
SET TIME BASE FOR 50/100 ns /cm
FIG.2 --FORWARD DERATING CURVE
FIG.3 --PEAK FORWARD SURGE CURRENT
100
80
3.0
2.4
TJ=125
10ms Single
Half
Sine-Wave
60
1.8
Single Phase
40
20
0
1.2
Half Walf 50Hz
Resistive or
Inductive Load
0.6
0
1
2
4
6
10
20
4 0 60
100
0
25
50
75
100 125
150 175
AMBIENT TEMPERATURE,
NUMBEROF CYCLES AT50 Hz
FIG.4--TYPICAL FORWARD CHARACTERISTIC
FIG.5-- TYPICAL JUNCTION CAPACITANCE
200
100
100
TJ=25
Pulse Width=300µS
60
40
40
20
10
20
10
4.0
2.0
1.0
4
TJ=25
f=1MHz
2
0.6
0.4
0.2
0.1
1
.1
.2
.4
1.0
2
4
10 20
40
100
0.6 0.8
1.0 1.2
1.4
1.6
1.8
2.0
INSTANTANEOUS FORWARDVOLTAGE,VOLTS
REVERSE VOLTAGE,VOLTS
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mail:lge@luguang.cn
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