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AHN22212N Datasheet(PDF) 6 Page - International Rectifier |
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AHN22212N Datasheet(HTML) 6 Page - International Rectifier |
6 / 6 page Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ HN (AHN) ASCTB5E 201212-T NOTES 1. Coil applied voltage To ensure proper operation, the voltage applied to both terminals of the coil should be ±5% (at 20°C 68°F) the rated operating voltage of the coil. Also, be aware that the pick-up and drop- out voltages will fluctuate depending on the ambient temperature and operating conditions. 2. LED indications The light of the light emitting diode is what displays operation. If voltage remains after relay dropout, the LED might illuminate briefly. 3. Switching lifetime The switching lifetime is defined under the standard test condition specified in the JIS C 5442(*2) standard (temperature 15 to 35 °C 59 to 95°F, humidity 25 to 75% R.H.). 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. 1) When used for AC load-operating and the operating phase is synchronous. Rocking and fusing can easily occur due to contact shifting. 2) High-frequency load-operating 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 4. Direct mount type (TM type) If the current to the connection terminal will exceed 10 A, we recommend connecting with solder. If you are going to use a tab terminal when the current will exceed 10 A, make sure to verify the temperature rise on the receptacle side under actual conditions before using. Please be careful, because excessive stress on the TM terminal can cause fluctuations in characteristics and damage. 5. Conditions for operation, transport and storage 1) Ambient temperature, humidity, and atmospheric pressure during usage, transport, and storage of the relay: (1) Temperature: –40 to +70 °C – 40 to +158°F (2) Humidity: 5 to 85% RH (Avoid freezing and condensation.) The humidity range varies with the temperature. Use within the range indicated in the graph below. Temperature and humidity range for usage, transport, and storage (3) Atmospheric pressure: 86 to 106 kPa 2) Condensation Condensation forms when there is a sudden change in temperature under high temperature and high humidity conditions. Condensation will cause deterioration of the relay insulation. 3) Freezing Condensation or other moisture may freeze on the relay when the temperatures is lower than 0 °C 32°F.This causes problems such as sticking of movable parts or operational time lags. 4) Low temperature, low humidity environments The plastic becomes brittle if the relay is exposed to a low temperature, low humidity environment for long periods of time. 6. Diode characteristics 1) Reverse breakdown voltage: Min. 1,000V (with diode type) Min. 400V (with diode and LED indication type) 7. Diode type Since the diode inside the relay coil are designed to absorb the counter emf, the element may be damaged if a large surge, etc., is applied to the diode. If there is the possibility of a large surge voltage from the outside, please implement measures to absorb it. 8. Please connect DC coil types with LED and built-in diode correctly by verifying the coil polarity (“+” and “– ”). Connecting with reverse polarity will cause the LED not to light and damage the built-in diode due to its specification. 9. Installation If you will be installing adjacent to other relays, please keep a distance of at least 5 mm from the relay. Humidity, %R.H. Tolerance range 85 5 070 –40 +32 +158 –40 (Avoid condensation when used at temperatures higher than 0 °C (Avoid freezing when used at temperatures lower than 0 °C 32°F) Temperature, °C °F 32 °F) |
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