Datasheet > 1N5257APT

1N5257APT

更新时间： 2024-11-03 08:01:43

品牌	Logo	应用领域
力勤 - CHENMKO		/
页数	文件大小	规格书
4页	127K
描述
Zener Diode,

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数据手册

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1N5257APT 数据手册

1N5221PT

THRU

CHENMKO ENTERPRISE CO.,LTD

AXIAL LEAD

SILICON PLANAR POWER ZENER DIODES

1N5281PT

VOLTAGE RANGE 2.4V TO 200V

FEATURE

* High temperature soldering type.

* ESD rating of class 3(>16 kV) per human body model.

* Silicon planar zener diodes.

DO-35

* Silcon-oxide passivated junction.

* Low temperature coefficient voltage

(

)

.022 0.56

MECHANICAL

* Axial-lead hermetically sealed package.

* DO-35 Packaging.

DIA.

(

)

.018 0.46

(

)

1.02 26.0

MIN.

* Cathode indicated by polarity band.

* Mounting position: Any.

* Weight: Approx. 0.13g.

(

)

.165 4.2

MAX.

(

)

.079 2.0

DIA.

MAX.

(

)

1.02 26.0

MIN.

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at 25^oC ambient temperature unless otherwise specified.

DO-35

Dimensions in inches and (millimeters)

MAXIMUM RATINGES ( At TA = 25^oC unless otherwise noted )

RATINGS

SYMBOL

VALUE

UNITS

Zener Current ( see Table "Characteristics" )

Max. Steady State Power Dissipation @TL=75 C,Lead Length=3/8"

500

^oC

+200

Max. Operating Temperature Range

^oC

-65 to +200

Storage Temperature Range

TSTG

ELECTRICAL CHARACTERISTICS ( At TA = 25^oC unless otherwise noted )

CHARACTERISTICS

Thermal Resistance Junction to Ambient

Max. Instantaneous Forward Voltage at IF= 100mA

SYMBOL

MIN.

TYP.

MAX.

300

UNITS

^oC/W

1.10

Volts

2001-6

NOTES : 1. The JEDEC type numbers listd have a standaerd tolerance on the normal zener voltage of +10%, Suffix A=+5%.

2. The zener impedance is derived from 1KHz AC voltage, which results when an AC current having an RMS value equal to 10%

of DC zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a sharp knee

on the breakdown curve to eliminate unstable units.

3. Valid provided that electrodes at distance of 10mm from case are kept ambient temperature.

4. Measured under thermal equilibrium and DC test conditions.

5. The rating listd in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave

or equivalent sine wave pulse of 1/120 second duration superimposed on the test current, IZT, per JEDEC registration.

12 3 4

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