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ARJ20A24 Datasheet(PDF) 5 Page - Nais(Matsushita Electric Works) |
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ARJ20A24 Datasheet(HTML) 5 Page - Nais(Matsushita Electric Works) |
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5 / 5 page  RJ(ARJ2) 16 Measuring method (Impedance 50 Ω) Connector (Step 1) Calibrate the test system with HP calibration kit [HP85052B] (Step 2) After calibration, connect the D.U.T. board and measure. Con- nect 50 Ω terminals on connec- tors other than those for measurement. Notes) 1. All bottom surface of the base should be touched closely or soldered with PC board ground. 2. 4 ribs should be soldered with PC board ground. Measuring board 1) Dimensions <Surface mount terminal> <Standard PC board terminal> <Calibration board> 2) Material: Glass PTFE double-sided through hole PC board R-4737 (Matsush- ita Electric Works) 3) Board thickness: t = 0.8 mm 4) Copper plating: 18 µm • Connector (SMA type receptacle) Product name: R125 510 (RADIALL) Insertion loss compensation The insertion loss of relay itself is given by subtracting the insertion loss of short- circuit the Com and the NC (or NO). (sig- nal path and two connectors) 9. Others 1) The switching lifetime is defined under the standard test condition specified in the JIS* C 5442-1996 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. • High-frequency load-operating When high-frequency opening and clos- ing 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 cor- rode 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 acci- dentally dropped, carefully check its ap- pearance 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 re- viewed 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 re- lay is recommended for such circuits. 6) 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, advis- able to build a circuit in which the relay can be initialized (set and reset) just after turning on the power. 7) If silicone materials (e.g., silicone rub- bers, 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. 8) We recommend latching type when us- ing in applications which involve lengthy duty cycles. * Japanese Industrial Standards No. Product name Contents 1 HP 85131-60013 3.5 mm testport, Extension cable 2 HP 83059 3.5 mm coaxial adaptor Network analyzer S parameter test set PORT2 PORT1 HP 8510C HP 8515A 1 B A R RF OUT RF IN B A R 2 1 2 Through hole 86-0.40 dia. 86-.016 dia. 17.00 .669 0.40 .016 6-1.76 6-.069 0.80 .031 0.40 .016 8.89 .350 12.04 .474 8.35 .329 30.00 1.181 0.40 .016 0.40 .016 2.81 .111 7.07 .278 7.22 .284 20.00 .787 1.00 .039 6-0.70 dia. 6-.028 dia. 4-0.60 dia. 4-.024 dia. 78-0.40 dia. 78-.016 dia. 8.35 .329 12.70 .500 17.00 .669 0.40 .016 0.40 .016 6-1.86 6-.073 0.90 .035 8.89 .350 11.70 .461 30.00 1.181 0.50 .020 0.50 .020 7.62 .300 3.81 .150 1.00 .039 6.72 .265 6.62 .261 20.00 .787 14.5 .571 10.0 .394 0.40 or 0.50 .016 or .020 1.76 or 1.86 .069 or .073 12/2/2002 All Rights Reserved, © Copyright Matsushita Electric Works, Ltd. Go To Online Catalog rj.fm 6 y [ W QOOPNX PPœ@˛jœ@ OPP SS“ |
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