USB50803C-A Datasheet, PDF (1/2 Pages) Microsemi Corporation – Bidirectional Low Capacitance TVSarray ™

SCOTTSDALE DIVISION
USB50803C-A thru USB50824C-A, e3
Bidirectional Low Capacitance TVSarray ™
DESCRIPTION
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*.
Using the schematic on the second page, pins 1 & 2 are tied together for the first
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. These may also be switched in polarity connections since the electrical
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.
These TVS arrays have a peak power rating of 500 watts for an 8/20 μsec pulse.
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.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
APPEARANCE
SO–8
FEATURES
APPLICATIONS / BENEFITS
• 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
• ULTRA LOW LEAKAGE
• EIA-RS485 data rates:
5 Mbs
• 10 Base T Ethernet
• USB date rate: 900 Mbs
• Tape & Reel per EIA Standard 481
• 13 inch reel; 2,500 pieces (OPTIONAL)
• Carrier tubes; 95 pcs (STANDARD)
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
• 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)
• Molded SO-8 Surface Mount
• Weight 0.066 grams (approximate)
• Marking: Logo, device marking code*, date code
• Pin #1 defined by dot on top of package
ELECTRICAL CHARACTERISTICS
PART
NUMBER
DEVICE
MARKING*
STANDOFF
VOLTAGE
V_WM
VOLTS
BREAKDOWN
VOLTAGE
V_BR
@1 mA
VOLTS
CLAMPING
VOLTAGE
V_C
@ 1 Amp
(Figure 2)
VOLTS
CLAMPING
VOLTAGE
V_C
@ 5 Amp
(Figure 2)
VOLTS
STANDBY
CURRENT
I_D
@ V_WM
µA
CAPACITANCE
(f=1 MHz)
C
@0V
pF
TEMPERATURE
COEFFICIENT
OF V_BR
α_VBR
mV/°C
MAX
MIN
MAX
MAX
MAX
MAX
MAX
USB50803C-A
U3CA
3.3
4
8
11
200
3
-5
USB50805C-A
U5CA
5.0
6.0
10.8
13
40
3
1
USB50812C-A
U12CA
12.0
13.3
19
26
1
3
8
USB50815C-A
U15CA
15.0
16.7
24
32
1
3
11
USB50824C-A
U24CA
24.0
26.7
43
57
1
3
28
*Device marking has an e3 suffix added for the RoHS Compliant option, e.g. U3CAe3, U5CAe3, U12CAe3, U15CAe3, and U24CAe3.
Copyright © 2006
8-01-2006 REV 0
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, [phone], Fax: [phone]
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