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PDF MMSZ5225B Fiche technique - WILLAS

Numéro de référence MMSZ5225B
Description 500mW SURFACE MOUNT SILICON ZENER DIODES
Fabricant WILLAS 
Logo WILLAS Logo 

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MMSZ5225B Datasheet, Description
500mW SURFACE MOUNT SILICON ZENER DIODES 2.4V ~ 75V
MMSZ5221B
THRU
MMSZ5267B
PRIMARY CHARACTERISTICS
PD 500mW
VZ 2.4V~75V
IZT
TJ,Max
Please refer to
the specification
150
SOD-123 PACKAGE
Marking Code : Please refer to the specification
Ex : MMSZ5221B
C1
FEATURES
Planar Die Construction
Ultra-Small Surface Mount Package
General purpose, Medium Current
Ideally Suited for Automated
Assembly Processes
Moisture Sensitivity Level 1
MECHANICAL DATA
CaseMolded plastic,SOD-123
PolarityAs Above Marked
Terminals :Plated terminals,
solderable per MIL-STD-750,Method
2026
Epoxy : UL94-V0 rated flame
retardant
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
PARAMETER
Power Dissipation at Ta=25(Note 1)
Operating Junction and Storage Temperature
Note: 1. Mounted on 5.0mm2(.013mm thick)
SYMBOL
PTOT
TJ ,TS
VALUE
500
-55 to +150
UNIT
mW
ELECTRICAL CHARACTERISTICS (TA = 25°C unless
Otherwise noted, VF=0.9V Max. @ IF=10mA)
Symbol
Parameter
VZ Reverse Zener Voltage @ IZT
IZT Reverse Current
ZZT Maximum Zener Impedance @ IZT
IZK Reverse Current
ZZK Maximum Zener Impedance @ IZK
IR Reverse Leakage Current @ VR
VR Reverse Voltage
IF Forward Current
VF Forward Voltage @ IF
I
IF
VZ VR
IIRZT VF
V
Zener Voltage Regulator
2016.02
www.willas.com.tw
Rev.LR04
MMSZ5225B Fiche technique
500mW SURFACE MOUNT SILICON ZENER DIODES 2.4V ~ 75V
MMSZ5221B
THRU
MMSZ5267B
8
7
6
5
4
3
2
1
0
-1
-2
-3
23
4 5 6 7 8 9 10 11
NOMINAL ZENER VOLTAGE,VOLTS
12
Fig.1 TEMPERATURE COEFFICENTS
100
10
1
10 100
NOMINAL ZENER VOLTAGE,VOLTS
Fig.2 TEMPERATURE COEFFICENTS
1000
100
IZ = 1 mA
5 mA
20 mA
10
TJ=25OC
IZ(AC)=0.1 IZ(DC)
F=1 kHZ
1
1 10 100
NORMAL ZENER VOLTAGE, VOLTS
Fig.3 EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE
1000
100
10 150OC
75OC
25OC
5OC
1
0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
FORWARD VOLTAGE, VOLTS
Fig.4 TYPICAL FORWARD VOLTAGE
0.6
0.5 TA=25OC
0.4
0.3
0.2
0.1
0
0 25 50 75
100 125
150
TEMPERATURE (OC)
Fig.5 STEADY STATE POWER DERATING
1000
0 V BIAS
1 V BIAS
100
B I A S AT
50% OF VZ NOM
10
TA=25 oC
1
1 10
NORMAL ZENER VOLTAGE, VOLTS
Fig.6 TYPICAL CAPACITANCE
100
2016.02
www.willas.com.tw
Rev.LR04

3 Page

MMSZ5225B pdf
500mW SURFACE MOUNT SILICON ZENER DIODES 2.4V ~ 75V
MMSZ5221B
THRU
MMSZ5267B
Suggested Soldering Pad Layout
SOD-123
.091(2.31)
.048(1.22)
.038(0.97)
Dimensions in inches and (millimeters)
RevA
2016.02
www.willas.com.tw
Rev.LR04

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