USB50812C/TR7 Microsemi Corporation, USB50812C/TR7 Datasheet

USB50812C/TR7

Manufacturer Part Number

USB50812C/TR7

Description

Specifications: Package / Case: 8-SOIC (0.154", 3.90mm Width) ; Packaging: Tape & Reel (TR) ; Polarization: 2 Channel Array - Bidirectional ; Power (Watts): 500W ; Voltage - Reverse Standoff (Typ): 12V ; Voltage - Breakdown: 13.3V ; Lead Free Sta

Manufacturer

Microsemi Corporation

Datasheet

1.USB50812CTR7.pdf (2 pages)

Current page: 1 of 2
Download datasheet (107Kb)

*Device marking has an e3 suffix added for the RoHS Compliant option, e.g. U3CAe3, U5CAe3, U12CAe3, U15CAe3, and U24CAe3.

8-01-2006 REV 0

IMPORTANT: For the most current data, consult MICROSEMI’s website:

•

This Transient Voltage Suppressor (TVS) array is packaged in an SO-8 configuration

giving protection to 2 Bidirectional data or interface lines. It is designed for use in

applications where very low capacitance protection is required at the board level from

voltage transients caused by electrostatic discharge (ESD) as defined in IEC 61000-4-

2, electrical fast transients (EFT) per IEC 61000-4-4 and effects of secondary lightning.

It is also available with either Tin-Lead plated terminations or as RoHS Compliant with

annealed matte-Tin finish by adding an “e3” suffix to the part number*.

protected line, and pins 7 & 8 are tied together to ground. The same would occur for a

second protected line where pins 3 & 4 tied together and pins 5 & 6 tied together to the

ground.

features are the same in each antiparallel (opposite facing) leg when the pins are tied

together in this manner for bidirectional protection. This device with an “A” suffix is

opposite in polarity for each pin-to-pin leg to the USB50803C series (see schematic).

This provides no functional difference for bidirectional TVS protection with the noted

pins tied together as described above.

This array is suitable for protection of sensitive circuitry consisting of TTL, CMOS

DRAM’s, SRAM’s, HCMOS, HSIC microprocessors, UNIVERSAL SERIAL BUS

(USB) and I/O transceivers. The USB508XXC product provides board level protection

from static electricity and other induced voltage surges that can damage or upset

sensitive circuitry.

ELECTRICAL CHARACTERISTICS

USB50803C-A

USB50805C-A

USB50812C-A

USB50815C-A

USB50824C-A

Using the schematic on the second page, pins 1 & 2 are tied together for the first

These TVS arrays have a peak power rating of 500 watts for an 8/20 μsec pulse.

NUMBER

Operating Temperature: -55°C to +150°C

Storage Temperature: -55°C to +150°C

Peak Pulse Power: 500 watts (8/20 µs, Figure 1)

Pulse Repetition Rate: < .01%

Solder Temperatures: 260°C for 10 s (maximum)

Protects up to 2 bidirectional lines

Surge protection per IEC 61000-4-2, IEC 61000-4-4

Provides electrically isolated protection

UL 94V-0 Flamability Classification

RoHS Compliant devices available by adding “e3” suffix

ULTRA LOW CAPACITANCE 3 pF per line pair

PART

ULTRA LOW LEAKAGE

These may also be switched in polarity connections since the electrical

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

MARKING

MAXIMUM RATINGS

DEVICE

U12CA

U15CA

U24CA

U3CA

U5CA

S C O T T S D A L E D I V I S I O N

FEATURES

STANDOFF

VOLTAGE

VOLTS

MAX

12.0

15.0

24.0

3.3

5.0

DESCRIPTION

BREAKDOWN

VOLTAGE

@1 mA

VOLTS

13.3

16.7

26.7

MIN

6.0

Scottsdale Division

Microsemi

CLAMPING

VOLTAGE

(Figure 2)

@ 1 Amp

VOLTS

MAX

10.8

Bidirectional Low Capacitance TVSarray ™

http://www.microsemi.com

USB50803C-A thru USB50824C-A, e3

• Molded SO-8 Surface Mount

• Weight 0.066 grams (approximate)

• Marking: Logo, device marking code*, date code

•

CLAMPING

VOLTAGE

(Figure 2)

@ 5 Amp

Pin #1 defined by dot on top of package

VOLTS

Tape & Reel per EIA Standard 481

13 inch reel; 2,500 pieces (OPTIONAL)

EIA-RS485 data rates:

10 Base T Ethernet

USB date rate: 900 Mbs

Carrier tubes; 95 pcs (STANDARD)

MAX

5 Mbs

MECHANICAL AND PACKAGING

APPLICATIONS / BENEFITS

CURRENT

STANDBY

@ V

MAX

200

µA

CAPACITANCE

APPEARANCE

(f=1 MHz)

@0V

MAX

SO–8

TEMPERATURE

COEFFICIENT

OF V

mV/°C

MAX

-5

VBR

Page 1

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