CDIDI 1N938B, 1N938A, 1N938, 1N937B, 1N937A Datasheet

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CDIDI 1N938B, 1N938A, 1N938, 1N937B, 1N937A Datasheet

1N935B-1,

1N937B-1 AND 1N938B-1 AVAILABLE IN

JAN

, JANTX, JANTXV

1N935 thru 1N938B

 

AND JANS

PER MIL-PRF-19500/156

 

 

and

9.0 VOLT

NOMINAL ZENER VOLTAGE

 

 

1N935B-1 thru 1N938B-1

TEMPERATURE COMPENSATED ZENER REFERENCE DIODES

METALLURGICALLY BONDED

MAXIMUM RATINGS

Operating Temperature: -65°C to +175°C

Storage Temperature: -65°C to +175°C

DC Power Dissipation: 500mW @ +50°C

Power Derating: 4 mW / °C above +50°C

REVERSE LEAKAGE CURRENT

lR = 10

A @ 25°C & V

R

= 6 Vdc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL CHARACTERISTICS

 

 

 

@ 25°C, unless otherwise specified.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JEDEC

 

Z ENER

 

 

 

Z ENER

MAXIMUM

 

VOLTAGE

 

TEMPERATURE

 

EFFECTIVE

 

 

 

 

 

 

TYPE

 

VOLTAGE

 

TEST

 

ZENER

TEMPERATURE

RANGE

TEMPERATURE

 

 

 

 

 

 

 

 

 

NUMBER

 

 

 

CURRENT

IMPEDANCE

STABILITY

 

V

COEFFICIENT

 

 

 

 

 

 

 

 

 

 

vz @ I

ZT

 

 

I ZT

(Note 1)

 

ZT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Z ZT

 

MAXIMUM

 

 

 

 

 

 

 

 

FIGURE 1

 

 

 

 

 

 

 

 

 

(Note 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOLTS

 

 

mA

 

OHMS

mV

 

°C

% / °C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1N935

 

8.55—9.45

 

7.5

 

20

 

67

0 to + 75

0.01

 

DESIGN

DATA

 

 

1N935A

 

8.55—9.45

 

7.5

 

20

139

-55 to +100

0.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1N935B

 

8.55—9.45

 

7.5

 

20

184

-55 to +150

0.01

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1N936

 

8.55—9.45

 

7.5

 

20

 

34

0 to + 75

0.005

 

 

 

 

 

 

1N936A

 

8.55—9.45

 

7.5

 

20

 

70

-55 to +100

0.005

 

 

CASE:

Hermetically sealed glass

1N936B

 

8.55—9.45

 

7.5

 

20

 

92

-55 to +150

0.005

 

 

case. DO – 35 outline.

1N937

 

8.55—9.45

 

7.5

 

20

 

13

0 to + 75

0.002

 

 

 

 

 

 

 

 

 

 

 

1N937A

 

8.55—9.45

 

7.5

 

20

 

28

-55 to +100

0.002

 

 

LEAD MATERIAL:

Copper clad steel.

1N937B

 

8.55—9.45

 

7.5

 

20

 

37

-55 to +150

0.002

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1N938

 

8.55—9.45

 

7.5

 

20

 

6.7

0 to + 75

0.001

 

LEAD FINISH:

Tin / Lead

1N938A

 

8.55—9.45

 

7.5

 

20

 

13.9

-55 to +100

0.001

 

 

 

 

 

 

 

 

 

 

 

 

 

1N938B

 

8.55—9.45

 

7.5

 

20

 

19

-55 to +150

0.001

 

 

POLARITY:

 

Diode to be operated with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the banded (cathode) end positive.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOUNTING POSITION:

Any.

NOTE 1

Zener impedance is derived by superimposing on l

ZT A 60Hz rms a.c. current equal

 

 

 

 

 

 

 

to 10% of l ZT .

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE 2 The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the specified mV at any discrete temperature between the established limits, per JEDEC standard No. 5.

22 COREY

STREET, MELROSE, MASSACHUSETTS

02176

PHONE (781)

665-1071

FAX (781) 665-7379

WEBSITE: http://www.cdi-diodes.com

E-mail: mail@cdi-diodes.com

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