Details, datasheet, quote on part number: SMS24
PartSMS24
CategoryDiscrete => TVS (Transient Transient Voltage Suppressors)
DescriptionTransient Voltage Suppressor, Package : See_factory
CompanyMicrosemi Corporation
DatasheetDownload SMS24 datasheet
Cross ref.Similar parts: BZA420A, PESD24VS4UD, ESDA25SC6, ESDA19SC6, ESDA6V1SC6, ESDA14V2SC6, ESDA5V3SC6, ESDA25W5, MMQA22VT1, MMQA24VT1
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Features, Applications

DESCRIPTION This 6 pin 4 line unidirectional array is designed for use in applications where protection is required at the board level from voltage transients caused by electrostatic discharge (ESD) as defined by IEC 61000-4-2, electrical fast transients (EFT) per IEC 61000-4-4 and effects of secondary lighting. These arrays are used to protect 4 discrete lines utilizing pins (1,3,4,6) with a common anode (pins 2,5) configuration. The SMS03 thru SMS24 product provides board level protection from static electricity and other induced voltage surges that can damage sensitive circuitry. These Transient Voltage Suppressor (TVS) diode arrays protect 3.0/3.3 volt components such as DRAM's SRAM's CMOS, HCMOS, HSIC, and low voltage interfaces to 24 volts. Because of the physical size, weight and protection capabilities, this product is ideal for use in but not limited to miniaturized electronic equipment such as hand held instruments, computers, computer peripherals and cell phones.

IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com
APPLICATIONS EIA-RS232 data rates 19.6kbs EIA-RS422 data rates 10Mbs EIA-RS423 data rates 100kbs
FEATURES

Protects 3.0/3.3 up through 24 volt components Protects 4 unidirectional lines Provides electrically isolated protection SOT 23-6L Packaging

Tape & Reel per EIA Standard 481 3,000 pieces per 7 inch reel

Operating Temperature: to +150C Storage Temperature: to +150C Peak Pulse power 200 watts (8/20 s Figure 1) SOT 23-6L Packaging

Molded SOT23-6L Surface Mount Weight.014 grams (approximate) Body Marked with device number Part is symmetrical therefore pin one can be defined as either one of the four corner pins (for clarification see schematic on page 2)

ELECTRICAL CHARACTERISTICS PER LINE @ 25C Unless otherwise specified

STAND OFF VOLTAGE VWM VOLTS MAX S15 S24 BREAKDOWN VOLTAGE VBR @1 mA VOLTS MIN CLAMPING VOLTAGE @ 1 Amp (FIGURE 2) VOLTS MAX CLAMPING VOLTAGE @ 5 Amp (FIGURE 2) VOLTS MAX STANDBY CURRENT ID @ VWM A MAX CAPACITANCE = 1 MHz) C pF TYP TEMPERATURE COEFFICIENT OF VBR VBR mV/C MAX

* CLAMPING VOLTAGE @ 3.6 Amp s Note: Transient Voltage Suppressor (TVS) product is normally selected based on its stand off voltage VWM. Product selected voltage should be equal to or greater than the continuous peak operating voltage of the circuit to be protected.

Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503

DEFINITION Rated stand off voltage: Maximum dc voltage that can be applied over the operating temperature range. Vwm must be selected to be equal or be greater than the operating voltage of the line to be protected Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current Clamping Voltage: Maximum clamping voltage across the TVS device when subjected to a given peak pulse current at a pulse time of 20 s. Standby Current: Leakage current at VWM. Capacitance: Capacitance of the TVS as defined @ 0 volts at a frequency of 1 MHz and stated in Pico Farads. GRAPHS

FIGURE 1 Peak Pulse Power Vs Pulse Time t=sec

 

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