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MMHZ5249BPT Datasheet(PDF) 1 Page - Chenmko Enterprise Co. Ltd. |
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MMHZ5249BPT Datasheet(HTML) 1 Page - Chenmko Enterprise Co. Ltd. |
1 / 5 page CHENMKO ENTERPRISE CO.,LTD SURFACE MOUNT ZENER SILICON PLANAR POWER ZENER DIODES VOLTAGE RANGE 2.4V TO 91V ELECTRICAL CHARACTERISTICS ( At TA = 25 oC unless otherwise noted ) NOTES : 2003-01 Max. Instantaneous Forward Voltage at IF= 10mA CHARACTERISTICS SYMBOL UNITS 500 0.9 Volts oC/W Thermal Resistance Junction to Ambient MAXIMUM RATINGES ( At TA = 25 oC unless otherwise noted ) RATINGS Zener Current ( see Table "Characteristics" ) Max. Steady State Power Dissipation @TA=25oC Max. Operating Temperature Range Storage Temperature Range SYMBOL - PD TJ TSTG R JA VF VALUE MAX. - - TYP. - - MIN. UNITS - mW - 225 1. The JEDEC type numbers listd have a standaerd tolerance on the normal zener voltage of +10%, Suffix B=+5%.Suffix S=+2% 2. The zener impedance is derived from 1KHz AC voltage, which results when an AC current having an RMS value equal to 10% of DC zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve to eliminate unstable units. 3. Valid provided that electrodes at distance of 10mm from case are kept ambient temperature. 4. Measured under thermal equilibrium and DC test conditions. 5. The rating listd 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. -65 to +150 -65 to +150 oC oC MMHZ5221BPT THRU MMHZ5270BPT SOD-123 FEATURE * Small surface mounting type. (SOD-123) * High temperature soldering type. * ESD rating of class 3(>16 kV) per human body model. * Silicon planar zener diodes. * Silcon-oxide passivated junction. * Low temperature coefficient voltage * 500 mW Rating on FR-4 or FR-5 Board MECHANICAL * SOD-123 Packaging. * Cathode indicated by polarity band. * Mounting position: Any. CIRCUIT (1) (2) SOD-123 Dimensions in inches and (millimeters) 0.028(0.70) 0.018(0.45) 0.008(0.2) MAX. Tpy 0.004(0.12) 0.02(0.5) 0.071(1.80) 0.055(1.40) 0.098(2.50) 0.112(2.85) 0.153(3.90) 0.140(3.55) 1 2 |
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