RL257 [RECTRON]
SILICON RECTIFIER (VOLTAGE RANGE 50 to 1000 Volts CURRENT 2.5 Amperes); 硅整流（电压范围50到1000伏特电流2.5安培）
| 型号： | RL257 |
| 厂家： | 
RECTRON SEMICONDUCTOR |
| 描述： | SILICON RECTIFIER (VOLTAGE RANGE 50 to 1000 Volts CURRENT 2.5 Amperes) |
| 文件： | 总2页 (文件大小：26K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RL251
THRU
RL257
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SILICON RECTIFIER
VOLTAGE RANGE 50 to 1000 Volts CURRENT 2.5 Amperes
FEATURES
* Low cost
* Low leakage
* Low forward voltage drop
* High current capability
R-3
MECHANICAL DATA
* Case: Molded plastic
( )
.042 1.1
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
DIA.
(
)
.040 1.0
(
)
1.0 25.4
MIN.
* Weight: 0.54 gram
(
)
.160 4.1
(
)
.138 3.5
(
)
.160 4.1
DIA.
(
)
.138 3.5
(
)
1.0 25.4
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T
A
= 25oC unless otherwise noted)
RATINGS
SYMBOL
RL251
RL252
RL253
RL254
RL255
RL256
RL257 UNITS
V
V
RRM
RMS
Volts
Volts
Volts
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
Maximum DC Blocking Voltage
V
DC
O
100
1000
Maximum Average Forward Rectified Current
I
2.5
Amps
Amps
at TA
= 75oC
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
I
FSM
150
35
Typical Junction Capacitance (Note)
Typical Thermal Resistance
CJ
pF
0C/ W
0 C
R θ J A
, TSTG
35
T
J
-65 to + 175
Operating and Storage Temperature Range
ELECTRICAL CHARACTERISTICS (At TA
= 25oC unless otherwise noted)
SYMBOL
RL251
RL252
RL253
RL254
1.1
RL255
RL256
RL257 UNITS
Volts
CHARACTERISTICS
V
F
Maximum Instantaneous Forward Voltage at 2.5A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
@T
A
A
= 25oC
= 100oC
5.0
50
uAmps
uAmps
2001-5
I
R
Maximum Full Load Reverse Current Average, Full Cycle
.375” (9.5mm) lead length at T
= 75oC
NOTES : Measured at 1 MH and applied reverse voltage of 4.0 volts
30
L
Z
(
)
RATING AND CHARACTERISTIC CURVES RL251 THRU RL257
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
2.5
2.0
1.5
20
10
4
2
1.0
.4
1.0
.5
.2
.1
T
= 25
J
Pulse Width=300uS
1% Duty Cycle
Single Phase Half Wave
60Hz Inductive or
Resistive Load
.04
.02
.01
0
0
25 50 75 100 125 150 175
.6
.8
1.0
1.2
1.4 1.5
AMBIENT TEMPERATURE, (
)
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
10
4
150
8.3ms Single Half Sine-Wave
(JEDED Method)
120
T
= 100
J
1.0
.4
90
60
.1
30
5
.04
T
= 25
J
.01
0
20
40
60
80
100
120
140
1
2
4
6 810 20 40 6080100
NUMBER OF CYCLES AT 60Hz
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
T
= 25
J
6
4
2
1
.1 .2 .4
1.0
2
4
10 20 40 100
REVERSE VOLTAGE, ( V )
RECTRON
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