1N957B Просмотр технического описания (PDF) - Shanghai Lunsure Electronic Tech

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1N957B

0.5W SILICON PLANAR ZENER DIODES

Shanghai Lunsure Electronic Tech 

CE

CHENYI ELECTRONICS

FEATURES

. Silicon planar power zener diodes

. Standards zener voltage tolerance is 20%.Add suffix "A" for 10%

tolerance and suffix "B" for 5% tolerance other tolerance, non

standards and higher zener voltage upon request

1N957 THRU 1N978

0.5W SILICON PLANAR ZENER DIODES

MECHANICAL DATA

. Case: DO-35 glass case

. Polarity: Color band denotes cathode end

. Weight: Approx. 0.13gram

ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 )

Zener current see table "Characteristics"

Symbols

Value

Power dissipation at TA=75

Ptot

5001)

Junction temperature

TJ

175

Storage temperature range

TSTG

-65 to + 175

1)Valid provided that at a distance of 8mm from case are kept at ambient temperature(DO-35)

ELECTRICAL CHARACTERISTICS(TA=25 )

Units

mW

Symbols Min.

Thermal resistance junction to ambient

R JA

Forward voltage at IF=200mA

VF

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

Typ.

Max.

300 1)

1.5

Units

/W

Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD

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