器件名称: MMSZ5257BPT
功能描述: SILICON PLANAR POWER ZENER DIODES
文件大小: 130.83KB 共5页
简 介:CHENMKO ENTERPRISE CO.,LTD
SURFACE MOUNT ZENER
SILICON PLANAR POWER ZENER DIODES VOLTAGE RANGE 2.4V TO 91V
MMSZ5221BPT
THRU
MMSZ5270BPT
FEATURE
* * * * * * * Small surface mounting type. (SC-79/SOD-523) 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
(1)
SC-79/SOD-523
Cathode
(2)
MECHANICAL
* SC-79/SOD-523 Packaging. * Cathode indicated by polarity band. * Mounting position: Any.
0.25~0.35
0.75~0.85
1.1~1.3
0.5~0.77 0.07~0.17
CIRCUIT
(2)
1.5~1.7
(1)
Dimensions in millimeters
SC-79/SOD-523
MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) RATINGS Zener Current ( see Table "Characteristics" ) Max. Steady State Power Dissipation Max. Operating Temperature Range Storage Temperature Range @TA=25oC SYMBOL PD TJ TSTG VALUE 225 -65 to +150 -65 to +150 UNITS mW
o
C C
o
ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS Thermal Resistance Junction to Ambient Max. Instantaneous Forward Voltage at IF= 10mA SYMBOL R
JA
MIN. -
TYP. -
MAX. 556 0.9
UNITS
o
C/W
VF
Volts 2002-10
NOTES : 1. The JEDEC type numbers listd have a standaerd tolerance on the normal zener voltage of +10%, Suffix B=+5%. 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 superimpos……
