Datasheet > 1N4740ADTA

1N4740ADTA

更新时间： 2023-04-15 00:00:00

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		/
页数	文件大小	规格书
9页	113K
描述
10V, 1W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-41

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1N4740ADTA 数据手册

GENERAL DATA — 1–1.3 WATT DO-41 GLASS

a. Range for Units to 12 Volts

b. Range for Units to 12 to 100 Volts

100

+12

+10

RANGE

V @ I

@ I

RANGE

–2

–4

70 100

V , ZENER VOLTAGE (VOLTS)

Figure 2. Temperature Coefficients

(–55°C to +150°C temperature range; 90% of the units are in the ranges indicated.)

175

150

125

100

@ I

= 25°C

20 mA

0.01 mA

1 mA

–2

–4

NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS

NOTE: CHANGES IN ZENER CURRENT DO NOT

NOTE: EFFECT TEMPERATURE COEFFICIENTS

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

L, LEAD LENGTH TO HEAT SINK (INCHES)

V , ZENER VOLTAGE (VOLTS)

Figure 3. Typical Thermal Resistance

versus Lead Length

Figure 4. Effect of Zener Current

100

RECTANGULAR

WAVEFORM

11 V–100 V NONREPETITIVE

3.3 V–10 V NONREPETITIVE

= 25°C PRIOR TO

5% DUTY CYCLE

INITIAL PULSE

10% DUTY CYCLE

20% DUTY CYCLE

0.01

0.02

0.05

0.1

0.2

0.5

100

200

500

1000

PW, PULSE WIDTH (ms)

This graph represents 90 percentile data points.

For worst case design characteristics, multiply surge power by 2/3.

Figure 5. Maximum Surge Power

Motorola TVS/Zener Device Data

1–1.3 Watt DO-41 Glass Data Sheet

6-21

123 4 5 6 7...9

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