Datasheet > 1N5257B-LF

1N5257B-LF

更新时间： 2024-11-03 03:06:55

品牌	Logo	应用领域
WTE		/
页数	文件大小	规格书
5页	87K
描述
Zener Diode

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数据手册

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1N5257B-LF 数据手册

1N5221B – 1N5261B

500mW ZENER DIODE

WON-TOP ELECTRONICS

Features



Planar Die Construction



500mW Power Dissipation

2.4V – 47V Nominal Zener Voltage

5% Standard Vz Tolerance

Low Inductance

For Use in Voltage Regulator or Reference

Plastic Case Material has UL Flammability

Classification Rating 94V-0

Mechanical Data



Case: DO-35, Molded Glass

Terminals: Plated Leads Solderable per

MIL-STD-202, Method 208

Polarity: Cathode Band

Weight: 0.13 grams (approx.)

Mounting Position: Any

Marking: Type Number

Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 5

DO-35

Dim

Min

25.40

—

Max

—



3.80

0.55

1.95

0.45

1.65

All Dimensions in mm

Maximum Ratings @T_A=25°C unless otherwise specified

Characteristic

Power Dissipation at T_A= 25°C (Note 1)

Forward Voltage @ IF = 200mA

Symbol

Value

500

Unit

1.1

Thermal Resistance Junction to Ambient (Note 2)

Operating and Storage Temperature Range

RθJA

TJ, TSTG

300

°C/W

°C

-65 to +175

Note: 1. Measured at lead length 3/8” (9.5mm) from body.

2. Valid provided that leads are kept at ambient temperature at a distance of 10mm from the case.

Revision: October, 2015

www.wontop.com

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