DISH AUTOMOTIVE RECTIFIER
DR251 THRU DR256
DRS251 THRU DRS256
TECHNICAL SPECIFICATION：
FEATURES
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•
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VOLTAGE RANGE
CURRENT
100 to 400 Volts
25.0 Amperes
DR-35
DRS-35
Low Leakage
Low forward voltage drop
High current capability
High forward surge current capacity
Glass passivated chip
Positive: 19.0± 0.5
Negative: 23.0± 0.5
1.5± 0.05
1.5± 0.05
Positive: 19.0± 0.5
Negative: 23.0± 0.5
MECHANICAL DATA
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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)
8.4± 0.2
2.2
9.5± 0.2
2.2
7.0± 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
DRS251
100
70
100
DR252
DRS252
200
140
200
DR253
DRS253
300
210
300
25
DR254
DRS254
400
280
400
DR256
DRS256
600
420
600
UNIT
Volts
Volts
Volts
Amps
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current,
At Tc=105℃
Peak Forward Surge Current
3.3mS single half sine wave superimposed on
Rated load (JEDEC method)
Rating for fusing (t＜8.3ms)
Maximum instantaneous Forward Voltage at 100A
Maximum DC Reverse Current at Rated TA=25℃
DC Blocking Voltage
Typical Thermal Resistance
Operating and Storage Temperature Range
TA=100℃
V
RRM
V
RMS
V
DC
I
O
I
FSM
I
2
t
V
F
I
R
R
θJC
T
J
,T
STG
400
664
1.10
5.0
300
1.0
(-65 to +175)
Amps
A
2
S
Volts
UA
℃/W
℃
Notes:
1.
Enough heatsink must be considered in application.
Web Site:
WWW.PS-PFS.COM
DISH AUTOMOTIVE RECTIFIER
DR251 THRU DR256
DRS251 THRU DRS256
VOLTAGE RANGE
CURRENT
100 to 400 Volts
25.0 Amperes
RATINGS AND CHARACTERISTIC CURVES
F1G.1 TYPICAL FORWARD CURRENT
DERATING GURVE
AVERAGE FORWARD CURRENT,
(A)
DR251 THRU DR256
DRS251 THRU DRS256
F1G.2 MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
CURRENT,(A)
600
8.3ms Single Half Sine-Wave
500
400
300
200
100
1 Cycle
(JEDEC Method) Tj=Tj max
40
30
20
10
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive or Inductive Load
0.375″(9.5mm) Lead Length
AMBIENT TEMPERATURE, (
℃
)
1
2
4
6
8 10
20
40
60 80 100
NUMBER OF CYCLES AT 60 Hz
F1G.3 TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
1000
F1G.4 FORWARD ROWER DISSIPATION
AVERAGE POWER DISSIPATION
(W)
80
INSTANTANEOUS FORWARD CURRENT,
(A)
100
50
SQUARE WAVE
DC
30
10
T1=25℃
PULSE WIDTH=300μS
1%DUTY CYCLE
1.0
0
0
20
30
40
50
60
AVERAGE FORWARD CURRENT, (A)
0.1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
INSTANTANEOUS FORWARD VOLTAGE,(V)
Web Site:
WWW.PS-PFS.COM
Embedded System
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