DIGITRON SEMICONDUCTORS

144 Market Street

Kenilworth NJ 07033 USA

phone +1.908.245-7200

1N957B-1N992B

500mW SILICON ZENER DIODES

MAXIMUM RATINGS

Rating

Value

Operating temperature

-65°C to +175°C

Storage temperature

-65°C to +175°C

Thermal resistance

250°C/W junction to lead at 3/8” lead length from body, or 310°C/W junction to ambient when

Steady-state power

@ 200 mA: 1.1 volts maximum (1N957B-1N985B)

Forward voltage

@ 200mA: 1.3 volts maximum (1N985-1N992B)

Solder temperature

260°C for 10 s maximum

1.

ELECTRICAL CHARACTERISTICS @ 25°C

Nominal

zener

voltage

(2)

Zener

test

current

Maximum zener

Maximum

DC zener

current

(4)

Maximum

surge

current

(5)

Maximum reverse

leakage current

Maximum

temperature

coefficient

Part

number

(1)

Volts

mA

Ohms

Ohms

mA

mA

mA

µA

Volts

%/°C

1N957B

6.8

18.5

4.5

700

1.0

55

300

150

5.2

0.05

1N958B

7.5

16.5

5.5

700

0.5

50

275

75

5.7

0.058

1N959B

8.2

15.0

6.5

700

0.5

45

250

50

6.2

0.065

1N960B

9.1

14.0

7.5

700

0.5

41

225

25

6.9

0.068

1N961B

10

12.5

8.5

700

0.25

38

200

10

7.6

0.075

1N962B

11

11.5

9.5

700

0.25

32

175

5

8.4

0.076

1N963B

12

10.5

11.5

700

0.25

31

160

5

9.1

0.077

1N964B

13

9.5

13

700

0.25

28

150

5

9.9

0.079

1N965B

15

8.5

16

700

0.25

25

130

5

11.4

0.082

1N966B

16

7.8

17

700

0.25

24

120

5

12.2

0.083

1N967B

18

7.0

21

750

0.25

20

110

5

13.7

0.085

1N968B

20

6.2

25

750

0.25

18

100

5

15.2

0.086

1N969B

22

5.6

29

750

0.25

16

90

5

16.7

0.087

1N970B

24

5.2

33

750

0.25

15

80

5

18.2

0.088

1N971B

27

4.6

41

750

0.25

13

70

5

20.6

0.090

1N972B

30

4.2

49

1000

0.25

12

65

5

22.8

0.091

1N973B

33

3.8

58

1000

0.25

11

60

5

25.1

0.092

1N974B

36

3.4

70

1000

0.25

10

55

5

27.4

0.093

1N975B

39

3.2

80

1000

0.25

9.5

46

5

29.7

0.094

1N976B

43

3.0

93

1500

0.25

8.8

44

5

32.7

0.095

1N977B

47

2.7

105

1500

0.25

7.9

40

5

35.8

0.095

1N978B

51

2.5

125

1500

0.25

7.4

37

5

38.8

0.096

1N979B

56

2.2

150

2000

0.25

6.8

35

5

42.6

0.096

1N980B

62

2.0

185

2000

0.25

6.0

30

5

47.1

0.097

1N981B

68

1.8

230

2000

0.25

5.5

28

5

51.7

0.097

1N982B

75

1.7

270

2000

0.25

5.0

26

5

56.0

0.098

1N983B

82

1.5

330

3000

0.25

4.6

23

5

62.2

0.098

sales@digitroncorp.com

fax +1.908.245-0555

www.digitroncorp.com

Rev. 20120730