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232266293074

Vishay Siliconix
Part Number 232266293074
Manufacturer Vishay Siliconix
Description PTC Thermistors
Published Mar 5, 2008
Detailed Description www.DataSheet4U.com 2322 66. 9.... Vishay BCcomponents PTC Thermistors, Overload Protection For Telecommunication FEAT...
Datasheet PDF File 232266293074 PDF File

232266293074
232266293074

Overview
www.
DataSheet4U.
com 2322 66.
9.
.
.
.
Vishay BCcomponents PTC Thermistors, Overload Protection For Telecommunication FEATURES PRIMARY PROTECTION (OPTIONAL) +θ PTC subscriber lines +θ SECONDARY PROTECTION +θ PTC voltage clamp +θ PTC MDF SUBSCRIBER LOOP INTERFACE CIRCUIT (SLIC) OR TRANSFORMER • • • • • • • • CCB913 Typical telephone line showing where PTC thermistors can be used for overcurrent protection.
Wide resistance range in telecom area 4.
.
.
to 70 Ω Fast protection against power contact faults Withstand high overload currents of up to 10 A High voltage withstanding capabilities for the larger sized thermistors Good tracking over a wide temperature range for all matched or binned types UL1434 approved types available (XGPU2) Excellent stability over extended time All telecom PTCs are coated with a high temperature silicon lacquer (UL94V0) to protect them from any harsh environments and to improve their lifetime.
APPLICATIONS • • • • Main Distribution Frame (MDF) Central Office Switching (C.
O.
) Subscriber Terminal Equipment (T.
E.
) Set-top box (S.
B.
).
DESCRIPTION Advanced developments in telephony equipment in recent years have radically altered the protection requirements for both exchange and subscriber equipment.
The Vishay BCcomponents range of Positive Temperature Coefficient (PTC) thermistors includes devices specially designed to provide overcurrent protection.
MARKING Clear marking on a grey coated body.
BC and R25 value.
ELECTRICAL DATA AND ORDERING INFORMATION V MAX.
(V) NON-TRIP CURRENT Int (mA) at T (°C) RESISTANCE MATCHED PAIRS R25 (Ω ) TOL (%) TRIP CURRENT It (mA) at T (°C) MAX.
TRIP TIME at 25 °C tt (s) at It (mA) APPLICATION AREA(1) CATALOG NUMBER 2322 .
.
.
661 93048 661 93147 661 93025 661 93037 661 93175 661 93142 662 93081 662 93074 661 93118 661 93148 663 93025 661 93078 661 93121 661 93124 661 93146 661 93135 661 93056 661 93139 662 93129 662 93114(2) 662 93131(2) COMPATIBILITY ±20 1Ω 200 25 2.
5 1000 C.
O.
K20/21 220 70 70 25 230 ...


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