DISH AUTOMOTIVE RECTIFIER

E-mail: sales@cnmic.com

Web Site: www.cnmic.com

VOLTAGE RANGE

100 to 400 Volts

DR251 THRU DR256

DRS251 THRU DRS256

CURRENT

25.0 Amperes

TECHNICAL SPECIFICATION：

FEATURES

•

Low Leakage

•

Low forward voltage drop

•

High current capability

•

High forward surge current capacity

•

Glass passivated chip

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)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

•

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

DR252

DRS252

DR253

DRS253

DR254

DRS254

DR256

DRS256

UNIT

Maximum Repetitive Peak Reverse Voltage

100

200

300

400

600

Volts

Maximum RMS Voltage

70

140

210

280

420

Volts

Maximum DC Blocking Voltage

100

200

300

400

600

Volts

Maximum Average Forward Rectified Current,

At Tc=105℃

25

Amps

Peak Forward Surge Current

3.3mS single half sine wave superimposed on

Rated load (JEDEC method)

400

Amps

Rating for fusing (t＜8.3ms)

I

664

A

Maximum instantaneous Forward Voltage at 100A

1.10

Volts

5.0

Maximum DC Reverse Current at Rated TA=25℃

DC Blocking Voltage

TA=100℃

300

UA

Typical Thermal Resistance

1.0

℃/W

Operating and Storage Temperature Range

(-65 to +175)

℃

Notes:

1.

Enough heatsink must be considered in application.

DRS-35

Dimensions in inches and (millimeters)

DR-35

1.5

± 0.05

7.0

± 0.2

8.4

± 0.2

Positive: 19.0

± 0.5

Negative: 23.0

± 0.5

Negative: 23.0

± 0.5

Positive: 19.0

± 0.5

9.5

± 0.2

8.4

± 0.2

1.5

± 0.05