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MMHZ5268BPT Datasheet(PDF) 1 Page - Chenmko Enterprise Co. Ltd.

Part No. MMHZ5268BPT
Description  SILICON PLANAR POWER ZENER DIODES
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Maker  CHENMKO [Chenmko Enterprise Co. Ltd.]
Homepage  http://www.chenmko.com
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MMHZ5268BPT Datasheet(HTML) 1 Page - Chenmko Enterprise Co. Ltd.

   
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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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