MMSZ5259B datasheet(2/5 Pages) WEITRON

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MMSZ5221B Series

WEITRON

Maximum Ratings and Electrical Characteristics

Characteristics

Symbol

Unit

Total Power Dissipation on FR-5 Board

@T =75 C

Thermal Resistance Junction to Ambient Air

Forward Voltage @ IF=10mA

Junction and Storage Temperature Range

C/W

NOTES:1. FR-5=3.5 1.5inches, using the on minimum recommedned footprint.

R JA

WEITRON

http://www.weitron.com.tw

(1)

(2)

Tj,TSTG

Value

500

340

0.9

-65 to+150

(TA=25 C Unless Otherwise Noted)

Zener Voltage Regulator

IZT

V F

ELECTRICAL CHARACTERISTICS

Device Marking

(TA = 25 C unless otherwise noted, VF = 0.9 V Max. @ IF = 10 mA)

Symbol

Parameter

R everse Zener Voltage @ IZT

IZT

R everse C urrent

ZZT

Maximum Zener Impedance @ IZT

R everse Leakage C urrent @ VR

R everse Voltage

F orward C urrent

F orward Voltage @ IF

Zzk

Izk

Item

MMSZ5221B

Series

Marking

XX=Specific Device Code

(See Table on page3)

Equivalent Circuit Diagram

Cathode

Anode

2.Thermal Resistance measurement obtained via infrared scan method.

R everse C urrent

Maximun Zener Impedance @ Izk

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