DR251 THRU DR256

DISH AUTOMOTIVE RECTIFIER
DR251 THRU DR256
DRS251 THRU DRS256
TECHNICAL SPECIFICATION:
VOLTAGE RANGE
100 to 400 Volts
CURRENT
25.0 Amperes
DR-35
DRS-35
FEATURES
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•
•
•
•
Low Leakage
Low forward voltage drop
High current capability
High forward surge current capacity
Glass passivated chip
1.5± 0.05
1.5± 0.05
Positive: 19.0± 0.5
Positive: 19.0± 0.5
Negative: 23.0± 0.5
Negative: 23.0± 0.5
MECHANICAL DATA
•
Technology: vacuum soldered
Case: Copper case
Polarity: As marked of case bottom
Lead: Plated Ni lead, solderable per
MIL-STD-202E method 208C
Weight: 0.032 ounces, 0.9 grams (DRS)
0.035 ounces, 1.0 grams (DR)
7.0± 0.2
2.2
8.4± 0.2
2.2
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•
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•
9.5± 0.2
8.4± 0.2
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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•
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Ratings at 25℃ ambient temperature unless otherwise specified
Single Phase, half wave, 60HZ, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
DR251
DR252
DR253
DR254
DR256
DRS251
DRS252
DRS253
DRS254
DRS256
100
200
300
400
600
Volts
UNIT
Maximum Repetitive Peak Reverse Voltage
VRRM
Maximum RMS Voltage
VRMS
70
140
210
280
420
Volts
Maximum DC Blocking Voltage
VDC
100
200
300
400
600
Volts
Maximum Average Forward Rectified Current,
IO
25
Amps
IFSM
400
Amps
Rating for fusing (t<8.3ms)
I2t
664
A2S
Maximum instantaneous Forward Voltage at 100A
VF
1.10
Volts
At Tc=105℃
Peak Forward Surge Current
3.3mS single half sine wave superimposed on
Rated load (JEDEC method)
Maximum DC Reverse Current at Rated TA=25℃
DC Blocking Voltage
IR
TA=100℃
Typical Thermal Resistance
Operating and Storage Temperature Range
UA
300
RθJC
1.0
℃/W
TJ,TSTG
(-65 to +175)
℃
Notes:
1.
5.0
Enough heatsink must be considered in application.
Web Site: www.hkmic.com
DISH AUTOMOTIVE RECTIFIER
DR251 THRU DR256
DRS251 THRU DRS256
PEAK FORWARD SURGE
CURRENT,(A)
AVERAGE FORWARD CURRENT,
(A)
30
Single Phase
Half Wave 60Hz
Resistive or Inductive Load
10
CURRENT
25.0 Amperes
F1G.2 MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
40
20
100 to 400 Volts
DR251 THRU DR256
DRS251 THRU DRS256
RATINGS AND CHARACTERISTIC CURVES
F1G.1 TYPICAL FORWARD CURRENT
DERATING GURVE
VOLTAGE RANGE
0.375″(9.5mm) Lead Length
600
8.3ms Single Half Sine-Wave
500
(JEDEC Method) Tj=Tj max
400
300
200
100
0
1 Cycle
0
25
50
75
100
125
150
175
1
AMBIENT TEMPERATURE, (℃)
2
4
6
8 10
20
40
60 80 100
NUMBER OF CYCLES AT 60 Hz
F1G.3 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
F1G.4 FORWARD ROWER DISSIPATION
AVERAGE POWER DISSIPATION
(W)
INSTANTANEOUS FORWARD CURRENT,
(A)
1000
100
10
T1=25℃
PULSE WIDTH=300μS
1%DUTY CYCLE
50
SQUARE WAVE
DC
30
0
0
1.0
0.1
0.6
80
20
30
40
50
AVERAGE FORWARD CURRENT, (A)
0.8
1.0
1.2
1.4
1.6
1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE,(V)
Web Site: www.hkmic.com
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