USB0803 thru USB0824
Unidirectional TVSarray ™
S C O T T S D A L E D I V I S I O N
DESCRIPTION
APPEARANCE
This TRANSIENT VOLTAGE SUPPRESSOR (TVS) array is packaged in an SO-8
configuration’ giving protection to 2 Unidirectional data or interface lines. It is
designed for use in applications where 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. Using the schematic on the second page, pins 7 & 8 are tied
together for the first protected positive line, and pins 1 & 2 are tied together to the
ground. The same would then occur where pins 5 & 6 are tied together for a second
protected positive line and pins 2 & 3 are tied together to the ground. If protecting a
negative line with respect to ground, these may be switched in polarity connections
where the pins are tied together in this manner for Unidirectional protection.
SO–8
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 USB08XX 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
FEATURES
APPLICATIONS / BENEFITS
•
•
•
•
•
•
Protects up to 2 unidirectional lines
Surge protection per IEC 61000-4-2, IEC 61000-4-4
Provides electrically isolated protection
UL 94V-0 Flamability Classification
LOW CAPACITANCE 5 pF per line pair
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%
•
•
•
•
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
STAND OFF
VOLTAGE
VWM
BREAKDOWN
VOLTAGE
VBR
CLAMPING
VOLTAGE
VC
@ 1 Amp
(Figure 2)
VOLTS
CLAMPING
VOLTAGE
VC
@ 5 Amp
(Figure 2)
VOLTS
STANDBY
CURRENT
ID
CAPACITANCE
(f=1 MHz)
C
TEMPERATURE
COEFFICIENT
OF VBR
PART
NUMBER
DEVICE
MARKING
@1 mA
@ VWM
@0V
αVBR
VOLTS
MAX
3.3
VOLTS
MIN
4
µA
MAX
200
20
1
pF
MAX
5
mV/°C
MAX
-5
MAX
8
MAX
11
USB0803
USB0805
USB0812
USB0815
USB0824
AF
AG
AH
AJ
5.0
6.0
10.8
19
13
5
5
1
12.0
15.0
24.0
13.3
16.7
26.7
26
8
24
32
1
5
5
11
AK
43
57
1
28
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.
Copyright © 2005
6-29-2005 REV G
Microsemi
Scottsdale Division
Page 1
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503