1SMA4741 datasheet(3/4 Pages) TSC

Part #	1SMA4741

Description	1.0 Watts Surface Mount Silicon Zener Diode

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Manufacturer	TSC [Taiwan Semiconductor Company, Ltd]

Direct Link	http://www.taiwansemi.com

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FIG.1- POWER TEMPERATURE DERATING CURVE

FIG.2- TYPICAL FORWARD CHARACTERISTICS

FIG.3- EFFECT OF ZENER CURRENT

ON ZENER IMPEDANCE

FIG.5- TYPICAL LEAKAGE CURRENT

FIG.4- EFFECT OF ZENER VOLTAGE

ON ZENER IMPEDANCE

AMBIENT TEMPERATURE( C)

o

V FORWARD VOLTAGE (VOLTS)

F

,

I,

Z

ZENER CURRENT (mA)

I,

Z

ZENER CURRENT (mA)

V,

Z

NOMINAL ZENER VOLTAGE (VOLTS)

0

20

40

60

80

100

120

140

160

180

200

MINIMUM

MAXIMUM

70 C

o

150 C

o

25 C

o

0C

o

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1

2

5

10

20

50

100

200

500

1000

T = 25 C

I (rms)= 0.1 I (dc)

f = 1KHz

J

ZZ

o

47V

27V

0.8V

0.1

0.25

0.50

0.75

1.0

1.25

0.2

0.5

1

2

5

10

20

50

100

1

2

5

10

20

50

100

200

500

1000

1

T = 25 C

I (rms)= 0.1 I (dc)

f = 1KHz

J

ZZ

o

I = 1.0mA

Z

5.0mA

20mA

2

3

5

7

10

20

30

50 70 100

1

2

5

7

10

20

50

70

100

200

500

700

1000

TYPICAL LEAKAGE CURRENT

AT 80% OF NOMINAL

BREAKDOWN VOLTAGE

+125 C

o

+25 C

o

34

5

6

7

8

9

10

11

12

13

14

15

0.001

0.002

0.005

0.007

0.01

0.02

0.05

0.07

0.1

0.2

0.5

0.7

1

2

5

7

10

20

50

70

100

200

500

700

1000

2000

5000

7000

10000

0

RATINGS AND CHARACTERISTIC CURVES (1SMA4741 THRU 1SMA200Z)

Version: B07

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