1N4728 datasheet(3/9 Pages) MOTOROLA

No de pièce	1N4728

Description	One Watt Hermetically Sealed Glass Silicon Zener Diodes

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Fabricant	MOTOROLA [Motorola, Inc]

Site Internet	http://www.freescale.com

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GENERAL DATA — 1–1.3 WATT DO-41 GLASS

Motorola TVS/Zener Device Data

6-22

1–1.3 Watt DO-41 Glass Data Sheet

Figure 10. Typical Forward Characteristics

VF, FORWARD VOLTAGE (VOLTS)

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1000

500

200

100

50

20

10

5

2

1

MAXIMUM

150

°C

75

°C

0

°C

25

°C

Figure 6. Effect of Zener Current

on Zener Impedance

Figure 7. Effect of Zener Voltage

on Zener Impedance

Figure 9. Typical Capacitance versus VZ

Figure 8. Typical Leakage Current

1000

500

200

100

50

20

10

5

2

1

0.1

0.2

0.5

1

2

5

10

20

50

100

IZ, ZENER CURRENT (mA)

1000

700

500

200

100

70

50

20

10

7

5

2

1

2

100

VZ, ZENER CURRENT (mA)

3

5

7

10

20

30

50

70

10000

7000

5000

2000

1000

700

500

200

100

70

50

20

10

7

5

2

1

0.7

0.5

0.2

0.1

0.07

0.05

0.02

0.01

0.007

0.005

0.002

0.001

3

4

5

6

7

8

9

10

11

12

13

14

15

VZ, NOMINAL ZENER VOLTAGE (VOLTS)

+25

°C

+125

°C

TYPICAL LEAKAGE CURRENT

AT 80% OF NOMINAL

BREAKDOWN VOLTAGE

TJ = 25°C

iZ(rms) = 0.1 IZ(dc)

f = 60 Hz

6.2 V

27 V

VZ = 2.7 V

47 V

TJ = 25°C

iZ(rms) = 0.1 IZ(dc)

f = 60 Hz

20 mA

5 mA

IZ = 1 mA

0 V BIAS

1 V BIAS

400

300

200

100

50

20

10

8

4

1

2

5

10

20

50

100

VZ, NOMINAL VZ (VOLTS)

50% OF BREAKDOWN BIAS

MINIMUM

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