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  Microsemi Electronic Components Datasheet  

USB50824C-A Datasheet

TVS Array

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USB50803C(-A) USB50824C(-A)
Available
Bidirectional Low Capacitance
TVS Array
DESCRIPTION
This USB50803C(-A) USB50824C(-A) family of Transient Voltage Suppressor (TVS) arrays
comes in an SO-8 package and can provide 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 secondary effects of lightning.
Using the schematic on the last 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 connections may
be switched in polarity since the electrical features are the same in each anti -parallel (opposite
facing) leg when the pins are tied together in this manner for bidirectional protection. Th e device
with an “-A” suffix is opposite in polarity for each pin-to-pin leg (see schematics). This provides no
functional difference for bidirectional TVS protection with the noted pins tied together as described
above. But the difference is significant if each leg is being used separately for unidirectional
applications.
These TVS arrays have a peak power rating of 500 watts for an 8/20 sec pulse. This array is
suitable for protection of sensitive circuitry such as TTL, CMOS DRAM’s, SRAM’s, HCMOS, HSIC
microprocessors, Universal Serial Bus (USB) and I/O transceivers.
SO-8 Package
Also available:
Unidirectional version
USB50803 USB50824
Important: For the latest information, visit our website http://www.microsemi.com.
FEATURES
Provides electrically isolated protection for up to 2 bidirectional lines .
Surge protection per IEC 61000-4-2 and IEC 61000-4-4.
UL 94V-0 flammability classification.
Ultra low capacitance; 3 pF per line pair.
Ultra low leakage current.
RoHS compliant versions available.
MSC Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
APPLICATIONS / BENEFITS
EIA-RS485 data rates: 5 Mbs
10/100/1000 Base T Ethernet.
USB data rate: 900 Mbs
MSC Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
MAXIMUM RATINGS
Parameters/Test Conditions
Junction and Storage Temp erature
Peak Pulse Power @ 8/20 s (see figure 1)
Impulse Repetition Rate
Capacitance (f = 1 MHz) @ 0 V
Solder Temperature @ 10 s
Symbol
TJ and TSTG
PPP
df
C
TSP
Value
-55 to +150
500
< .01
3
260
Unit
ºC
W
%
pF
oC
RF01092-1, Rev. C (11/24/20)
©2020 Microchip
Page 1 of 6


  Microsemi Electronic Components Datasheet  

USB50824C-A Datasheet

TVS Array

No Preview Available !

USB50803C(-A) USB50824C(-A)
MECHANICAL and PACKAGING
CASE: Molded SO-8 surface mount.
TERMINALS: Tin -lead or RoHS compliant annealed matte-tin plating.
MARKING: Logo, device marking code (see electrical characteristics table), date code.
POLARITY: Pin #1 marked by dot on top of package.
TAPE & REEL option: Per EIA standard 481. Consult factory for quantities. Carrier tubes with a quantity of 95 pieces are
s tan d ard .
WEIGHT: Approximately 0.066 grams.
See Package Dimensions on last page.
USB Rated Product
PPP Rating (x 100 W)
8 Pin Package
Rated Standoff Voltage
(VWM)
(See Electrical Characteristics
table)
PART NOMENCLATURE
USB 5 08 03 C -A e3
RoHS Compliance
e3 = RoHS Compliant
Blank = non-RoHS Compliant
Opposite polarity of Non-A
suffix version in each leg
Bidirectional Designator
Symbol
VWM
V(BR)
VC
ID
C
SYMBOLS & DEFINITIONS
Definition
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 current at a pulse
time of 20 µs.
Standby Current: Leakage current at VWM.
Capacitance: Capacitance of the TVS as defined @ 0 volts at a frequency of 1 MHz and stated in picofarads.
RF01092-1, Rev. C (11/24/20)
©2020 Microchip
Page 2 of 6


Part Number USB50824C-A
Description TVS Array
Maker Microsemi
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