RL257 [UNIOHM]
2.5 AMP SILICON RECTIFIERS; 2.5 AMP硅整流
| 型号： | RL257 |
| 厂家： | 
UNIOHM CORPORATION |
| 描述： | 2.5 AMP SILICON RECTIFIERS |
| 文件： | 总2页 (文件大小：66K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RL251 THRU RL257
2.5 AMP SILICON RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
2.5 Amperes
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
R-3
.160(4.1)
.138(3.5)
DIA.
* High surge current capability
1.0(25.4)
MIN.
MECHANICAL DATA
* Case: Molded plastic
.160(4.1)
.138(3.5)
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
1.0(25.4)
MIN.
.042(1.1)
*
Weight: 0.54 grams
.040(1.0)
DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RL251 RL252 RL253 RL254 RL255 RL256 RL257 UNITS
TYPE NUMBER
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
V
V
V
Maximum DC Blocking Voltage
100
1000
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=75 C
A
2.5
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 2.5A
A
V
150
1.0
5.0
Maximum DC Reverse Current
Ta=25 C
A
50
A
pF
at Rated DC Blocking Voltage
Ta=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance RqJA (Note 2)
35
35
C/W
C
Operating and Storage Temperature Range TJ, TSTG
-65 +175
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance from Junction to Ambient .375" (9.5mm) lead length.
RATING AND CHARACTERISTIC CURVES (RL251 THRU RL257)
FIG.1-TYPICAL FORWARD
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
CHARACTERISTICS
3.0
2.5
2.0
1.5
50
10
3.0
1.0
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
1.0
0.375"(9.5mm) Lead Length
0.5
0
0
20
40
60
80
100
120
140
160
180
200
Tj=25 C
AMBIENT TEMPERATURE,( C)
Pulse Width 300us
1% Duty Cycle
0.1
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
150
120
90
60
30
0
.01
.6
.7
.8
.9
1.0 1.1 1.2 1.3
FORWARD VOLTAGE,(V)
8.3ms Single Half
Tj=25 C
Sine Wave
JEDEC method
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
50
1
5
10
100
100
NUMBER OF CYCLES AT 60Hz
FIG.5-TYPICAL JUNCTION CAPACITANCE
10
1.0
.1
70
Tj=100 C
60
50
40
30
20
10
0
Tj=25 C
.01
.01
.05
.1
.5
1
5
10
50
100
0
20 40 60 80 100 120 140
REVERSE VOLTAGE,(V)
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
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