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Features
Applications
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Lead free as standard
RoHS compliant*
Halogen free**
ESD protection >25 kV
Protects Vcc and two data lines
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Ethernet - 10/100/1000 Base T
Firewire and USB
Portable electronics
Video/graphic cards
CD143A-SR05~12 – Steering/TVS Diode Array Series
General Information
The CD143A-SR05 and CD143A-SR12 devices provides ESD, EFT
and surge protection for the external ports of portable electronic
devices such as cell phones, handheld electronics and personal
computers.
4
REF
The ESD protection provided by the component enables a data
port to withstand a minimum ±8 KV Contact / ±15 KV Air Discharge
per the ESD test method specified in IEC 61000-4-2. The device
measures 2.80 mm x 1.20 mm and is available in a SOT-143
package intended to be mounted directly onto an FR4 printed
circuit board.
The Bourns ? device will meet IEC 61000-4-2 (ESD), IEC 61000-4-4
GND
1
(EFT) and IEC 61000-4-5 (Surge) requirements.
I/O
2
3
I/O
Absolute Maximum Ratings, TA = 25 °C (Unless Otherwise Noted)
Parameter
Symbol
Value
Unit
Peak Pulse Power (t p = 8/20 μs)
1
P PP
500
W
Peak Pulse Current (t p = 8/20 μs)
-SR05
-SR12
Operating Temperature
Storage Temperature
Peak Forward Voltage (lf = 1 A 8/20 μs)
I PP
T J
T STG
V F
30
16
-55 ?C to 150 ?C
-55 ?C to 150 ?C
1.5
A
?C
?C
V
Electrical Characteristics, TA = 25 °C (Unless Otherwise Noted)
Parameter
Symbol
CD143A-SR05
CD143A-SR12
Unit
Breakdown Voltage Minimum @ 1 mA
2
V BR
6.0
13.3
V
Working Peak Voltage
2
V WM
5.0
12
V
Clamping Voltage Maximum @ I P = 1 A
2,3
V C
9.8
19
V
Clamping Voltage Maximum @ I P
Leakage Current @ V WM 2
2,3
V C
I D
20 @ 28 A
5.0
30 @ 16 A
1.0
V
μA
Capacitance Maximum per Data Line @ 0 V,
1 MHz 4,5
C J
10
10
pF
Notes:
1. See Peak Pulse Power vs. Pulse Time.
2. From Pin 4 to Pin 1.
3. See Pulse Wave Form.
4. From Pin 1 to Pin 3, Pin 1 to Pin 2, Pin 3 to Pin 4, Pin 2 to Pin 4.
5. GND is connected to ground, REF is connected to +V CC and input applies to V CC = V WM . V OSC = 30 mV, F = 1 MHz.
* RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less;
(b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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