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|Name:||SMD Ceramic Gas Discharge Tube||EIA:||1812(4532)|
1812 SMD Ceramic Gas Discharge Tube 4.5x3.2mm SMD90XM 90V 3KA 4532 0.5pF UN1812-90CSMD
Impulse Discharge Current:2KA
6,Telecom SLIC protection
8,ADSL equipment,including ADSL2+
10,Satellite and CATV equipment
11,General telecom equipment
|Part. Number||DC Spark-over Voltage(V)||1KV/μs (V)||Impulse Life||Insulation Resistance (GΩ)||Capacitance 1MHz(PF)||Nominal Discharge Impulse Current(A)|
The SMD series has been especially designed to meet data transmission protection requirements. The optimized design features a high level of protection against fast rising transients usually caused by lightning disturbances. For use in high frequency data lines, the series offers ultra low capacitances and shows only marginally signal losses up to high frequencies. The devices are extremely reliable and are able to withstand high surge currents without destruction.
Cautions and warnings
Do not operate surge arresters in power supply networks, whose maximum operating voltage exceeds the minimum spark-over voltage of the surge arresters.
Surge arresters may become hot in the event of longer periods of current stress (burn risk). In the event of overload the connectors may fail or the component may be destroyed.
Surge arresters must be handled with care and must not be dropped.
Do not continue to use damaged surge arresters.
The shown SMD pad dimensions represent a safe way to mount the arrester and are a recommendation of the manufacturer. During the reflow process it must be assured that no solder material reduces the insulation distance between the pads below the arrester.
SMD surge arresters should be soldered within 24 month after shipment.