1N4758A datasheet(3/4 Pages) TAK_CHEONG

Part #	1N4758A

Description	1 Watt DO-41 Hermetically Sealed Glass Zener Voltage Regulators

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Manufacturer	TAK_CHEONG [Tak Cheong Electronics (Holdings) Co.,Ltd]

Direct Link	http://www.takcheong.com/en/index.asp

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3 / 4 page

November, 2006 / C

Page 3

Li cen s ed b y O N Se mic o nd uc t o r ,

A tr ad em ar k o f s e mi co nducto r

Co m p o n en ts

Ind u str i e s ,

LL C

f o r

Z e ne r T e c h no l o g y and Pr odu c ts .

TAK CHEONG

®

3. ZENER VOLTAGE (VZ) MEASUREMENT

The zener voltage (V

Z) is tested under pulse condition. The measured VZ is guaranteed to be within specification with device junction in

thermal equilibrium.

4. ZENER IMPEDANCE (ZZ) DERIVATION

The zener impedance is derived from the 60 cycle AC voltage, which results when an AC current having an RMS value equal to 10% of the

DC zener current (IZT or IZK) is superimposed on IZT or IZK.

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