FR251 [BL Galaxy Electrical]
FAST RECOVERY RECTIFIER; 快速恢复整流
| 型号： | FR251 |
| 厂家： | 
BL Galaxy Electrical |
| 描述： | FAST RECOVERY RECTIFIER |
| 文件： | 总2页 (文件大小：60K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
GALAXY ELECTRICAL
FR251---FR257
BL
VOLTAGE RANGE: 50 --- 1000 V
CURRENT: 2.5 A
FAST RECOVERY RECTIFIER
FEATURES
Low cost
R - 3
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
MECHANICAL DATA
Case:JEDEC R--3,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight:0.021 unces,0.58 grams
Mounting position: Any
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 by20%.
FR
251
FR
252
FR
253
FR
254
FR
255
FR
256
FR
257
UNITS
V
V
V
Maximum recurrent peak reverse voltage
Maximum RMS voltage
50
35
50
100
70
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
VRRM
VRMS
VDC
Maximum DC blocking voltage
100
1000
Maximum average forw ard rectified current
A
2.5
IF(AV)
9.5mm lead length,
@TA=75
Peak forw ard surge current
IFSM
150.0
1.3
A
8.3ms single half-sine-w ave
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@ 2.5 A
V
A
VF
IR
Maximum reverse current
@TA=25
5.0
at rated DC blocking voltage @TA=100
Maximum reverse recovery time (Note1)
100.0
150
250
500
ns
trr
pF
Typical junction capacitance
Typical thermal resistance
(Note2)
(Note3)
22
CJ
35
Rθ
/ W
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.
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2. Measured at 1.0MHz and applied reverse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
Document Number 0261005
BLGALAXY ELECTRICAL
1.
RATINGS AND CHARACTERISTIC CURVES
FR251---FR257
FIG.1 -- TYPICAL FORWARD DERATING CURVE
FIG.2-- FORWARD SURGE CURRENT
2.5
2.0
1.5
150
125
100
75
TJ=125
8.3ms Single Half
Sine-Wave
1.0
50
Single Phase
Half Wave 60H
Resistive or
Inductive Load
Z
25
0
0.5
0
1
2
4
6
8 10
20
40 60
100
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE,
FIG.3--TYPICAL JUNCTION CAPACITANCE
NUMBEROFCYCLESAT60Hz
FIG.4 --TYPICAL FORWARD CHARACTERISTIC
100
100
10
TJ=25
Pulse Width=300µS
60
40
4
2
20
10
1.0
0.4
0.2
0.1
4
TJ=25
f=1MHz
0.06
0.04
2
1
0.02
0.01
.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
REVERSEVOLTAGE,VOLTS
INSTANTANEOUS FORWARD VOLTAGE,VOLTS
FIG.5 -- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
trr
50
10
N.1.
N.1.
+0.5A
D.U.T.
(
- )
0
(+)
PULSE
50VDC
(APPROX)
(-)
GENERATOR
(NOTE2)
-0.25A
OSCILLOSCOPE
(NOTE 1)
1
(
+ )
N.1.
-1.0A
1cm
NOTES:1. RISE TIME =7ns MAX. INPUT IMPEDANCE=1M .22pF
2.RISETIME=10ns MAX. SOURCEIMPEDANCE=5O
SETTIMEBASEFOR50/100ns /cm
www.galaxycn.com
2.
Document Number 0261005
BLGALAXY ELECTRICAL
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