CZRA4758 datasheet(2/4 Pages) COMCHIP

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MDS0208021A

Page 2

SURFACE MOUNT ZENER DIODE

www.comchip.com.tw

SURFACE MOUNT ZENER DIODE

www.comchip.com.tw

COMCHIP

IZK

(Volts)

(mA)

(Ohms)

(mA)

(uA)

(Volts)

Ir - mA

CZRA4741

700

0.25

8.4

414

CZRA4742

700

0.25

9.1

380

CZRA4743

700

0.25

9.9

344

CZRA4744

700

0.25

11.4

304

CZRA4745

15.5

700

0.25

12.2

285

CZRA4746

750

0.25

13.7

250

CZRA4747

12.5

750

0.25

15.2

225

CZRA4748

11.5

750

0.25

16.7

205

CZRA4749

10.5

750

0.25

18.2

190

CZRA4750

9.5

750

0.25

20.6

170

CZRA4751

8.5

1000

0.25

22.8

150

CZRA4752

7.5

1000

0.25

25.1

135

CZRA4753

1000

0.25

27.4

125

CZRA4754

6.5

1000

0.25

29.7

115

CZRA4755

1500

0.25

32.7

110

CZRA4756

5.5

1500

0.25

35.8

CZRA4757

1500

0.25

38.8

CZRA4758

4.5

110

2000

0.25

42.6

CZRA4759

125

2000

0.25

47.1

CZRA4760

3.7

150

2000

0.25

51.7

CZRA4761

3.3

175

2000

0.25

CZRA4762

200

3000

0.25

62.2

CZRA4763

2.8

250

3000

0.25

69.2

CZRA4764

100

2.5

350

3000

0.25

NOTE:

3. Zener Voltage (VZ) Measurement. Guarantees the zener voltage when measured at 90 seconds while maintaining

ELECTRICAL CHARACTERISTICS

(TA=25°C unless otherwise noted) (VF=1.2Volts Max, IF=200mA for all types.)

Device

(Note 1.)

Nominal

Zener

Voltage VZ

@ IZT

(Note 2, 3)

Test

current

IZT

Maximum Zener Impedance

(Note 4)

Leakage Current

Surge Current

@TA=25°C

(Note 5)

ZZT @ IZT ZZK @ IZK

B. Matched sets.

the lead temperature (TL) at 30°C ± 1°C, from the diode body.

4. Zener Impedance (ZZ) Derivation. The zener impedance is derived from the 60 cycle ac voltage, which results when

1. Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener

voltage of ± 5%.

2. Specials Available Include:

A. Nominal zener voltages between the voltages shown and tighter voltage tolerances.

is as described in Figure 5.

an ac current having an rms value equal to 10% of the dc zener current (IZT or IZK) is superimposed on IZT or IZK.

5. Surge Current (Ir) Non-Repetitive. The rating listed in the electrical characteristics table is maximum peak,

non-repetitive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second

duration superimposed on the test current, IZT, per JEDEC registration; however, actual device capability

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