Notes:

(1) Test with pulse tp=20ms.

(2) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case.

Type

Typical

temperature

coefficient

Maximum reverse leakage currrent

Maximum

regulator

current

V

znom

I

ZT

r

I

R

2)

Test - Voltage

Suffix A

Suffix B

I

ZM

VmA

mA

(%/ )uA

V

V

mA

1N957

6.8

18.5

4.5

700

1.0

0.050

150

4.9

5.2

47

1N958

7.5

16.5

5.5

700

0.5

0.058

75

5.4

5.7

42

1N959

8.2

15

6.5

700

0.5

0.062

50

5.9

6.2

38

1N960

9.1

14

7.5

700

0.5

0.068

25

6.6

6.9

35

1N961

10

12.5

8.5

700

0.25

0.075

10

7.2

7.6

32

1N962

11

11.5

9.5

700

0.25

0.076

5

8.0

8.4

28

1N963

12

10.5

11.5

700

0.25

0.077

5

8.6

9.1

26

1N964

13

9.5

13

700

0.25

0.079

5

9.4

9.9

24

1N965

15

8.5

16

700

0.25

0.082

5

10.8

11.4

21

1N966

16

7.8

17

700

0.25

0.083

5

11.5

12.2

19

1N967

18

7.0

21

750

0.25

0.085

5

13.0

13.7

17

1N968

20

6.2

25

750

0.25

0.086

5

14.4

15.2

15

1N969

22

5.6

29

750

0.25

0.087

5

15.8

16.7

14

1N970

24

5.2

33

750

0.25

0.088

5

17.3

18.2

13

1N971

27

4.6

41

750

0.25

0.090

5

19.4

20.6

11

1N972

30

4.2

49

1000

0.25

0.091

5

21.6

22.8

10

1N973

33

3.8

58

1000

0.25

0.092

5

23.8

25.1

9.0

1N974

36

3.4

70

1000

0.25

0.093

5

25.9

27.4

8.5

1N975

39

3.2

80

1000

0.25

0.094

5

28.1

29.7

7.8

1N976

43

3.0

93

1500

0.25

0.095

5

31.0

32.7

7.0

1N977

47

2.7

105

1500

0.25

0.095

5

33.8

35.8

6.4

1N978

51

2.5

125

1500

0.25

0.096

5

36.7

38.8

5.9

2