HIGH-VOLTAGE,

HIGH-CURRENT

DARLINGTON ARRAYS

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

6

20

Dwg. GP-070-4

40

100

80

DUTY CYCLE IN PER CENT

0

600

400

200

0

60

NUMBER OF OUTPUTS

CONDUCTING

SIMULTANEOUSLY

°C

R

°C/W

2

3

4

5

6

8

7

20

Dwg. GP-070-3

40

100

80

DUTY CYCLE IN PER CENT

0

600

400

200

0

60

NUMBER OF OUTPUTS

CONDUCTING

SIMULTANEOUSLY

1

°C

R

°C/W

8

3

4

6

7

5

2

ALLOWABLE COLLECTOR CURRENT

AS A FUNCTION OF DUTY CYCLE

ULx28xxLW

20

Dwg. GP-070-2

40

100

80

DUTY CYCLE IN PER CENT

0

600

400

200

0

60

NUMBER OF OUTPUTS

CONDUCTING

SIMULTANEOUSLY

°C

R

°C/W

2

3

4

5

6

8

7

20

Dwg. GP-070-1

40

100

80

DUTY CYCLE IN PER CENT

0

600

400

200

0

60

NUMBER OF OUTPUTS

CONDUCTING

SIMULTANEOUSLY

1

°C

R

°C/W

8

3

4

6

7

5

2

ALLOWABLE COLLECTOR CURRENT

AS A FUNCTION OF DUTY CYCLE

ULx28xxA

x = Characters to identify specific device. Specification shown applies to family of devices with remaining digits as shown.