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MMSZ5221B Datasheet(PDF) 2 Page - Pan Jit International Inc.

Part No. MMSZ5221B
Description  SURFACE MOUNT SILICON ZENER DIODES
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Maker  PANJIT [Pan Jit International Inc.]
Homepage  http://www.panjit.com.tw
Logo PANJIT - Pan Jit International Inc.

MMSZ5221B Datasheet(HTML) 2 Page - Pan Jit International Inc.

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Part Number: MMSZ5221B - MMSZ5259B
PAGE 2
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NOTE:
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.
B. Matched sets.
3. Zener Voltage (VZ) Measurement. Guarantees the zener voltage when measured at 90 seconds while maintaining the lead temperature (TL) at 30OC, from the diode body.
4. Zener Impedance (ZZ) Derivation. The zener impedance is derived from the 60 cycle 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.
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 is as described in Figure 5.
MMSZ5221B thru MMSZ5259B
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted) VF=1.2V max, IF=100mA for all types.


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