Datasheet > 1N749

1N749

更新时间： 2024-09-14 14:52:31

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描述
Zener Diodes

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数据手册

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1N749 数据手册

ZENER DIODES

1N746A - 1N759A

DO - 35 Glass

(DO-204AH)

V_Z: 3.3 to 12V

P_D: 500mW

FEATURES :

1.00 (25.4)

0.079(2.0 )max.

min.

• Silicon planar power zener diodes.

• Standard zener voltage tolerance is ± 5%

• Other tolerances are available upon request.

• Pb / RoHS Free

0.150 (3.8)

max.

Cathode

Mark

MECHANICAL DATA :

Case: DO-35 Glass Case

Weight: approx. 0.13g

1.00 (25.4)

min.

0.020 (0.52)max.

Dimensions in inches and ( millimeters )

Maximum Ratings and Thermal Characteristics

Rating at 25 °C ambient temperature unless otherwise specified.

Parameter

Symbol

Value

Unit

Zener Current see Table "Characteristics"

Maximum Forward Voltage at IF = 200 mA.

Power Dissipation at T_L= 75°C

Thermal Resistance Junction to Ambient Air

Junction temperature

1.2

°C/W

°C

500⁽¹⁾

300⁽²⁾

P_D

R_q

T_J

175

T_S

Storage temperature range

-65 to + 150

°C

Notes:

(1) T_Lis measured 3/8” from body.

(2) Valid provided that leads at a distance of 3/8” from case are kept at ambient temperature.

Page 1 of 2

Rev. 02 : March 25, 2005

中文翻译

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