RL251 thru RL257
PLASTIC SILICON RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE 50 TO 1000 Volts
CURRENT 2.5 Amperes
MIN 3A
FEATURE
Low forward voltage
High current capability
Low leakage current
High surge capability
Low cost
1.0(25.4)
MIN.
.042
.040
(1.07)
(1.01) DIA.
.160(4.1)
MAX.
.160(4.1)
MAX. DIA.
1.0(25.4)
MIN.
MECHANICAL DATA
Case:Mold plastic use UL 94V-0 recognized
flame retardant epoxy
Terminals:Axial leads, solderable per
MIL-STD-202, method 208
Polarity:Color band denotes cathode
Mounting Position:Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
Signle phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RL251
RL252
100
70
100
RL253
200
140
200
RL254
400
280
400
2.5
150
1.2
5.0
RL255
600
420
600
RL256
800
560
800
RL257
1000
700
1000
UNITS
V
V
V
A
A
V
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current,
.375", (9.5mm) Lead Length at
TA =60 C
0
50
35
50
Peak Forward Surge Current 8.3 ms single half sine-wave
Maximum Forward Voltage at 6.0A Peak
Maximum Reverse Current,
TA =25 C
at Rated DC Blocking Voltage
0
Maximum Full Load Reverse Current, Full Cycle Average,
.5", (12.5mm) Lead Length
TA =105 C
0
500
35
-65 to +175
-65 to +170
A
pF
0
Typical Junction Capacitance (Note 1)
Storage Temperature Range
TA
Operating Tempeature Range
TA
Notes : 1. Measurd at 1MHz and applied reverse voltage of 4.0 Volts
* JEDEC Registered Value.
C
C
0
RL251 thru RL257
PLASTIC SILICON RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
RL251 THRU RL257
Fig. 1 - TYPICAL FORWARD CHARACTERISTICS
Fig. 2 - PEAK FORWARD SURGE CURRENT
INSTANTANEOUS FORWARD CURRENT,
AMPERES
10
PEAK FORWARD SURGE CURRENT
AMPERES
250
200
0
T
J
=25C
1.0
150
100
0.1
TJ = 25 C
0
50
.01
.4
.6
.8
1.0
1.2
1.4
1.6
0
1
10
100
NUMBER OF CYCLES AT 60Hz
INSTANTANEOUS FORWARD VOLT
AGE, VOLTS
Fig. 3 - FORWARD CURRENT DERATING CURVE
Fig. 4 - TYPICAL JUNCTION CAPACITANCE
3.0
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
100
2.5
1.5
SINGLE PHASE
HALF WAVE
60Hz
RESISTIVE OR
INOUCTIVE LOAD
.375" LEAD LENGTH
CAPACITANCE-pF
2.0
T
J
=25C
10
0
1.0
0.5
0
25
50
75
100
125
150
0
175
1
1
10
100
AMBIENT TEMPERATURE, C
REVERSE VOLTAGE. VOLTS
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