SMAJ4728A datasheet(2/2 Pages) ETC2

部件名	SMAJ4728A

功能描述	Transient Voltage Suppressor

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制造商	ETC2 [List of Unclassifed Manufacturers]

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SMAJ4728A thru SMAJ4751A

Document Number: SMAJ4728A thru SMAJ4751A

www.smsemi.com

Feb.29, 2012

2

Electrical Characteristics @ 25°C (Unless Otherwise Noted) TABLE1

Note:

1.

The type numbers shown with an A suffix have a 5% tolerance on nominal zener voltage. No suffix signifies a 10%

tolerance, C signifies 2%, and D signifies 1% tolerance.

2.

The Zener impedance is derived from the 60 HZ ac voltage ,which results when an ac current having an rms value equal to

10% of the dc Zener current (IZT or IZK ) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a

sharp knee on the breakdown curve and eliminate unstable units.

3.

The reverse surge current is measured at 25°C ambient using a 1/2 square wave or equivalent sine wave pulse 1/120 second

duration superimposed on IZT.

4.

Voltage at thermal equilibrium or 90seconds after application of dc current.

Part

Number

Zener

Voltage

VZ @ IZT

Test

Current

Maximum

Dynamic

Impedance

ZZT @ IZT

Maximum

Knee

Impedance

ZZk @ IZk

Knee

Current

Maximum

Reverse

Current

IR @ VR

Maximum

Regulator

Current

TL=

100°C

Maximum

Surge

Current

VZ

(V)

IZT

(mA)

ZZT

(OHMS)

ZZK

(OHMS)

IZK

(mA)

IR

(µA)

VR

(V)

IZM

(mA)

Izsm

(mA)

SMAJ4728A

SMAJ4729A

SMAJ4730A

SMAJ4731A

3.3

3.6

3.9

4.3

76.0

69.0

64.0

58.0

10.0

9.0

400

1.00

100

50

10

1.0

552

504

468

434

1380

1260

1190

1070

SMAJ4732A

SMAJ4733A

SMAJ4734A

SMAJ4735A

4.7

5.1

5.6

6.2

53.0

49.0

45.0

41.0

8.0

7.0

5.0

2.0

500

550

600

700

1.00

10

1.0

2.0

3.0

386

356

324

292

970

890

810

730

SMAJ4736A

SMAJ4737A

SMAJ4738A

SMAJ4739A

6.8

7.5

8.2

9.1

37.0

34.0

31.0

28.0

3.5

4.0

4.5

5.0

700

1.00

0.50

10

4.0

5.0

6.0

7.0

266

242

220

200

660

605

550

500

SMAJ4740A

SMAJ4741A

SMAJ4742A

SMAJ4743A

10.0

11.0

12.0

13.0

25.0

23.0

21.0

19.0

7.0

8.0

9.0

10.0

700

0.25

10

5

7.6

8.4

9.1

9.9

182

166

152

138

454

414

380

344

SMAJ4744A

SMAJ4745A

SMAJ4746A

SMAJ4747A

15.0

16.0

18.0

20.0

17.0

15.5

14.0

12.5

14.0

16.0

20.0

22.0

700

750

0.25

5

11.4

12.2

13.7

15.2

132

114

100

90

304

285

250

225

SMAJ4748A

SMAJ4749A

SMAJ4750A

SMAJ4751A

22.0

24.0

27.0

30.0

11.5

10.5

9.5

8.5

23.0

25.0

35.0

40.0

720

750

1000

0.25

5

16.7

18.2

20.6

22.8

82

76

68

60

205

190

170

150

打印无效

类似零件编号 - SMAJ4728A

制造商	部件名	数据表	功能描述
Micro Commercial Compon...	SMAJ4728A	426Kb / 4P	1 Watt Zener Diode 3.3 to 75 Volts
	SMAJ4728A	452Kb / 4P	1 Watt Zener Diode Zener Diode
	SMAJ4728A	426Kb / 4P	1 Watt Zener Diode 3.3 to 75 Volts
	SMAJ4728A	559Kb / 5P	1 Watt Zener Diode 3.3 to 4.7 Volts

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类似说明 - SMAJ4728A

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