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ARS10A03X Datasheet(PDF) 11 Page - Panasonic Semiconductor |
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ARS10A03X Datasheet(HTML) 11 Page - Panasonic Semiconductor |
11 / 12 page Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ RS (ARS) ASCTB106E 201202-T Insertion loss compensation The insertion loss of relay itself is given by subtracting the insertion loss of shortcircuit the COM and the NC (or NO). (signal path and two connectors) 9. Others 1) The switching lifetime is defined under the standard test condition specified in the JIS* C 5442 standard (temperature 15 to 35 °C 59 to 95°F, humidity 25 to 75%). Check this with the real device as it is affected by coil driving circuit, load type, activation frequency, activation phase, ambient conditions and other factors. Also, be especially careful of loads such as those listed below. • When used for AC load-operating and the operating phase is synchronous, rocking and fusing can easily occur due to contact shifting. • When high-frequency opening and closing of the relay is performed with a load that causes arcs at the contacts, nitrogen and oxygen in the air is fused by the arc energy and HNO3 is formed. This can corrode metal materials. Three countermeasures for these are listed here. (1) Incorporate an arc-extinguishing circuit. (2) Lower the operating frequency (3) Lower the ambient humidity 2) Use the relay within specifications such as coil rating, contact rating and on/ off service life. If used beyond limits, the relay may overheat, generate smoke or catch fire. 3) Be careful not to drop the relay. If accidentally dropped, carefully check its appearance and characteristics before use. 4) Be careful to wire the relay correctly. Otherwise, malfunction, overheat, fire or other trouble may occur. 5) If a relay stays on in a circuit for many months or years at a time without being activated, circuit design should be reviewed so that the relay can remain non-excited. A coil that receives current all the time heats, which degrades insulation earlier than expected. A latching type relay is recommended for such circuits. 6) To ensure accurate operation of the latching type amidst surrounding temperature changes and other factors that might affect the set and reset pulse times, we recommend a coil impress set and reset pulse width of at least 30 ms at the rated operation voltage. 7) The latching type relay is shipped in the reset position. But jolts during transport or impacts during installation can change the reset position. It is, therefore, advisable to build a circuit in which the relay can be initialized (set and reset) just after turning on the power. 8) If silicone materials (e.g., silicone rubbers, silicone oils, silicone coating agents, silicone sealers) are used in the vicinity of the relay, the gas emitted from the silicone may adhere to the contacts of the relay during opening and closing and lead to improper contact. If this is the case, use a material other than silicone. For general cautions for use, please refer to the “General Application Guidelines”. |
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