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Surface Mount Zener Diode
ZMM55C Series
RoHS Compliant Product A suffix of "-C" specifies halogen & lead-free
Electrical Characteristics ( TA = 25 J unless otherwise specified) Zener Voltage Range (Note 2) Type Number ZMM55C2V0 ZMM55C2V2 ZMM55C2V4 ZMM55C2V7 ZMM55C3V0 ZMM55C3V3 ZMM55C3V6 ZMM55C3V9 ZMM55C4V3 ZMM55C4V7 ZMM55C5V1 ZMM55C5V6 ZMM55C6V2 ZMM55C6V8 ZMM55C7V5 ZMM55C8V2 ZMM55C9V1 ZMM55C10 ZMM55C11 ZMM55C12 ZMM55C13 ZMM55C15 ZMM55C16 ZMM55C18 ZMM55C20 ZMM55C22 ZMM55C24 ZMM55C27 ZMM55C30 ZMM55C33 ZMM55C36 ZMM55C39 ZMM55C43 ZMM55C47 ZMM55C51 ZMM55C56 Min V 1.9 2.1 2.2 2.5 2.8 3.1 3.4 3.7 4.0 4.4 4.8 5.2 5.8 6.4 7.0 7.7 8.5 9.4 10.4 11.4 12.4 13.8 15.3 16.8 18.8 20.8 22.8 25.1 28 31 34 37 40 44 48 52 VZ Nom V 2.0 2.2 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 Max V 2.1 2.3 2.6 2.9 3.2 3.5 3.8 4.1 4.6 5.0 5.4 6.0 6.6 7.2 7.9 8.7 9.6 10.6 11.6 12.7 14.1 15.8 17.1 19.1 21.2 23.3 25.6 28.9 32.0 35.0 38.0 41.0 46.0 50.0 54.0 60.0 @IZT mA 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2.5 2.5 2.5 2.5 2.5 Maximum Zener Impedance (Note 3) ZZT@IZT 100 100 85 85 85 85 85 85 75 60 35 25 10 8 7 7 10 15 20 20 26 30 40 50 55 55 80 80 80 80 80 90 90 110 100 135 ZZK@IZK mA 1.0 600 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 600 1.0 550 1.0 1.0 450 200 1.0 150 1.0 50 1.0 50 1.0 50 1.0 70 1.0 70 1.0 90 1.0 110 1.0 110 1.0 170 1.0 170 1.0 220 1.0 220 1.0 220 1.0 1.0 220 1.0 220 220 1.0 1.0 220 1.0 500 600 1.0 700 1.0 750 1.0 1000 1.0
Maximum Reverse Current (Note 2)
500mW
Temperature Coefficient of Zener Voltage @ IZT = 5 mA mV / J
g A
IR @ VR V 1.0 50 50 1.0 50 1.0 10 1.0 4 1.0 2 1.0 1.0 2 2 1.0 1.0 1 0.5 1.0 0.1 1.0 0.1 1.0 0.1 2.0 0.1 3.0 0.1 5.0 0.1 6.0 0.1 7.0 0.1 7.5 0.1 8.5 9.0 0.1 0.1 10 0.1 11 0.1 12 0.1 14 0.1 15 0.1 17 0.1 18 0.1 20 0.1 22 0.1 24 27 0.1 0.1 30 0.1 33 0.1 36 0.1 38 0.1 42
Min -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -2.7 -2.0 0.4 1.2 2.5 3.2 3.8 4.5 5.4 6.0 7.0 9.2 10.4 12.4 14.4 16.4 18.4 21.4 24.4 27.4 30.4 33.4 10.0 10.0 10.0 10.0
Max 0 0 0 0 0 0 0 0 0 0.2 1.2 2.5 3.7 4.5 5.3 6.2 7.0 8.0 9.0 10.0 11.0 13.0 14.0 16.0 18.0 20.0 22.0 25.3 29.4 33.4 37.4 41.2 12.0 12.0 12.0 12.0
Standard Voltage Tolerance is 5 % and : Suffix "A" for 1 % Suffix "B" for 2 % Suffix "C" for 5 % Suffix "D" for 20 % Measured with Pulses Tp=40m Sec
http://www.SeCoSGmbH.com/
21-Aug-2007 Rev.B
Any changing of specification will not be informed individual
Page 1 of 2
Absolute Maximum Ratings Items Symbol Value Unit PTOT 500 * mW Power Dissipation at Tamb=25ae Junction Temperature TJ 175 ae Storage Temperature Range TSTG -65 ~ +175 ae * Valid provided that leads at a distance of 10mm from case are kept at ambient temperature Characteristic at Tamb=25ae Items Symbol Min. Typ. Max. Unit Thermal Resistance Junctiobn to Ambient Air 0.3 * K / mW RJA Forward Voltage @ IF=200mA VF 1.0 V * Valid provided that leads at a distance of 10mm from case are kept at ambient temperature
Breakdown Characteristics mA 50 ZMM55 Series 25 30V
5
10
15
20
IZ 40
30 20 10 0
Test currrent Iz=5mA
27
pd (mW)
power dissipation
Mechanical Data Items Materials Package Mini MELF Case Hermeticall sealed glass Lead Finish Solder Plating Packaging Dimensions (mm) Symbol Min Max A 3.302 3.505 B 1.397 1.499 C 0.350 0.500
http://www.SeCoSGmbH.com/
21-Aug-2007 Rev.B
6V8 5V1 4V3 3V9 3V3
9V1
500 400 300 200 100 50 100 150 200 250 Ta (J)
11
Change in the power dissipation due to the ambient temperature.
Ambient Temperature.
15
20
24
VZ
MINI MELF
B
A
C
Dimensions in mm
Any changing of specification will not be informed individual
Page 2 of 2

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