UNIOHM AR256 25.0 amp silicon rectifier Datasheet

AR2505
THRU
AR2510
25.0 AMP SILICON RECTIFIERS
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
25.0 Ampere
FEATURES
* Low forward voltage drop
* Low leakage current
* High reliability
* High current capability
AR
.185(4.7)
.165(4.2)
.250(6.4)
.235(6.0)
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Slugs: Plated slugs, solderable per MIL-STD-202
method 208 guranteed
* Polarity: Color ring denotes cathode end
* Mounting position: Any
* Weight: 1.80 grams
.410(10.4)
.380(9.7)
.225(5.7)
.215(5.5)
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
AR2505
AR251
AR252
AR254
AR256
AR258
50
35
50
100
70
100
200
140
200
400
280
400
600
420
600
800
560
800
AR2510 UNITS
1000
700
1000
V
V
V
.375"(9.5mm) Lead Length at Tc=150 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
25.0
A
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 25.0A
Maximum DC Reverse Current
Tc=25 C
400
A
V
A
1.0
25
500
at Rated DC Blocking Voltage
Tc=100 C
Typical Junction Capacitance (Note 1)
Typical Thermal Resistance RqJA (Note 2)
Operating and Storage Temperature Range TJ, TSTG
Cathode Band Color
A
pF
C/W
C
300
1.0
Red
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.
Yellow
Silver
-65 +175
Orange Green
Blue
Violet
RATING AND CHARACTERISTIC CURVES (AR2505 THRU AR2510)
FIG.1-TYPICAL FORWARD
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
CHARACTERISTICS
100
40
10
30
25
20
15
Single Phase Half Wave 60Hz
10
Resistive Or Inductive Load
5
0
20
40
Tj=25 C
60
80
100
120
140
160
180
200
CASE TEMPERATURE ( C)
Pulse Width 300us
1% Duty Cycle
1
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
.1
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE,(V)
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
PEAK FORWAARD SURGE CURRENT,(A)
INSTANTANEOUS FORWARD CURRENT,(A)
500
500
400
300
8.3ms Single Half
Tj=25 C
Sine Wave
200
JEDEC method
100
0
1
1000
5
50
10
100
NUMBER OF CYCLES AT 60Hz
Tj=100 C
FIG.5-TYPICAL JUNCTION CAPACITANCE
700
10
JUNCTION CAPACITANCE,(pF)
REVERSE LEAKAGE CURRENT, ( A)
100
Tj=25 C
1
600
500
400
300
200
100
.1
0
0
20
40
60
80
.01
.05
.1
.5
1
100 120 140
PERCENTAGE RATED PEAK REVERSE VOLTAGE
REVERSE VOLTAGE,(V)
5
10
50
100
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