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SSRP105B1 Datasheet(PDF) 1 Page - STMicroelectronics

No. de Pieza. SSRP105B1
Descripción  DUAL ASYMMETRICAL OVERVOLTAGE PROTECTION FOR TELECOM LINE
Descarga  6 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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SSRP105B1 Datasheet(HTML) 1 Page - STMicroelectronics

   
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Application Specific Discretes
ASD™
SSRP105B1
®
Where asymmetrical protection against lightning
strikes and other transient overvoltages is required :
s
Solid-State relays
s
SLIC with integrated ring generator
MAIN APPLICATIONS
SO-8
The SSRP105B1 is a dual asymmetrical transient
voltage
suppressor
designed
to
protect
a
solid-state ring relay or SLICs with integrated ring
generator from overvoltages.
The asymmetrical protection configuration is
necessary to allow the use of all different types of
ringing schemes.
DESCRIPTION
FUNCTIONAL DIAGRAM
DUAL ASYMMETRICAL OVERVOLTAGE
PROTECTION FOR TELECOM LINE
October 2002 - Ed: 1A
1
2
3
4
5
6
8
GND
NC
NC
7
TIP
RING
GND
GND
GND
TM: ASD is trademarks of STMicroelectronics.
Peak Surge
Voltage
(V)
Voltage
Waveform
(µs)
Current
Waveform
(µs)
Required
Peak
current
(A)
Min. serial
resistor to meet
standards
(
Ω)
ITU-T K20 / K21
1500
10/700
5/310
38
-
VDE0433
2000
10/700
5/310
50
-
IEC61000-4-5
Level 3
Level 4
10/700
1.2/50
5/310
8/20
50
100
-
-
FCC Part 68
1500
800
10/160
10/560
10/160
10/560
200
100
18
10
BELLCORE
GR1089 First level
2500
1000
2/10
10/1000
2/10
10/1000
500
100
10
19
COMPLY WITH THE FOLLOWING STANDARDS
s
Dual bi-directional asymmetrical protection
Stand-off voltages:
q
Between Line and Ground
+105V for positive voltages
-180V for negative voltages
q
Between Line and Line
+180V for positive voltages
-180V for negative voltages
s
Peak pulse current: IPP = 50A (5/310µs)
s
Holding current:
q
IH+ = 100mA
q
IH- = 150mA
FEATURES


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