MZP4729A datasheet(2/6 Pages) ONSEMI

2 / 6 page

Zener Voltage Regulator

IZT

MZP4729A Series

http://onsemi.com

ELECTRICAL CHARACTERISTICS (TA = 25°C unless

otherwise noted, VF = 1.5 V Max @ IF = 200 mA for all types)

Symbol

Parameter

Reverse Zener Voltage @ IZT

IZT

Reverse Current

ZZT

Maximum Zener Impedance @ IZT

IZK

Reverse Current

ZZK

Maximum Zener Impedance @ IZK

Reverse Leakage Current @ VR

Breakdown Voltage

Forward Current

Forward Voltage @ IF

Surge Current @ TA = 25°C

ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted, VF = 1.5 V Max @ IF = 200 mA for all types)

Device†

(Note 1)

Device

Marking

Zener Voltage (Note 2)

Zener Impedance (Note 3)

Leakage Current

(Note 4)

VZ (Volts)

@ IZT

ZZT @ IZT

ZZK @ IZK

IR @ VR

Min

Nom

Max

mA Max

Volts

MZP4729A, G

MZP4729A

3.42

3.6

3.78

400

100

1260

MZP4735A, G

MZP4735A

5.89

6.2

6.51

700

730

MZP4746A, G

MZP4746A

17.10

18.90

750

0.25

13.7

250

MZP4749A, G

MZP4749A

22.80

25.20

10.5

750

0.25

18.2

190

MZP4750A, G

MZP4750A

25.65

28.35

9.5

750

0.25

20.6

170

1. TOLERANCE AND TYPE NUMBER DESIGNATION

The type numbers listed have a standard tolerance on the nominal zener voltage of

±5%.

2. ZENER VOLTAGE (VZ) MEASUREMENT

ON Semiconductor guarantees the zener voltage when measured at 90 seconds while maintaining the lead temperature (TL) at 30°C ±1°C,

3/8

″ from the diode body.

3. ZENER IMPEDANCE (ZZ) DERIVATION

The zener impedance is derived from 60 seconds 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.

4. 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 standards. However, actual device

capability is as described in Figure 3 of the General Data sheet for Surmetic 30s.

†The “G'' suffix indicates Pb-Free package.

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