RL251
2.5 AMP SILICON RECTIFIERS
THRU
RL257
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Both normal and Pb free product are available:
* Normal:80~95%Sn,5~20%Pb
* Pb free:99 Sn above can meet Rohs enviroment substance
directive request
2.5 Ampere
DO-15
.140(3.6)
.104(2.6))
DIA.
1.0(25.4)
MIN.
MECHANICAL DATA
* Case: Molded plastic
* 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
* Weight: 0.54 grams
.300(7.6)
.230(5.8)
.034(.9)
.028(.7)
DIA.
1.0(25.4)
MIN.
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%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=75 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 2.5A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance RqJA (Note 2)
Operating and Storage Temperature Range Tj, TSTG
NOTES:
RL251
RL252
RL253
RL254
RL255
RL256
RL257
UNITS
V
V
V
A
A
V
υA
υA
pF
C/W
C
50
35
50
100
70
100
200
140
200
400
280
400
2.5
150
1.0
5.0
50
35
35
-65 +175
600
420
600
800
560
800
1000
700
1000
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
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
3.0
2.5
2.0
1.5
1.0
0.5
0
0
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
50
INSTANTANEOUS FORWARD CURRENT,(A)
10
3.0
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
20
40
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE ( C)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWAARD SURGE CURRENT,(A)
150
0.1
.01
.6
.7
.8
.9
1.0
1.1
1.2
1.3
FORWARD VOLT
AGE,(V)
120
90
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
60
30
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
100
0
1
5
10
50
100
NUMBER OF CYCLES AT 60Hz
10
REVERSE LEAKAGE CURRENT, (mA)
70
Tj=100 C
FIG.5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE,(pF)
60
50
40
30
20
10
0
1.0
.1
Tj=25 C
.01
0
.01
.05
.1
.5
1
5
10
50
100
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENTAGE RATED PEAK REVERSE VOL
TAGE
MCU
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