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AT25LSD 数据表(PDF) 24 Page - Knowles Electronics |
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AT25LSD 数据表(HTML) 24 Page - Knowles Electronics |
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24 / 60 page ![]() www.knowlescapacitors.com 22 PTFE Trimmers - A1 Series The Voltronics A1 Series of high reliability solid dielectric trimmer capacitors is an ideal economical replacement for conventional miniature air and sapphire dielectric trimmers and assures no intermittent noiseless performance. High reliability solid dielectric, positive tuning stops and up to 13 full turns of linear tuning make the A1 Series an outstanding performer: 40 psi sealed, high voltage and non-magnetic versions are readily available. A1 J 8 HV OPTIONS SERIES CAPACITANCE LEAD STYLE Options The “HV” Option - high voltage applications: Add “HV” to the part number, i.e., A1T4HV. Specifications are as follows: Capacitance DC Volts Working DC Volts Withstanding 4pF 1,000 2,000 8pF 500 1,000 11pF 500 1,000 Non-Magnetic Option: Most parts shown can be ordered as non-magnetic. Add “NM” to the part number, i.e., NMA1J8. Sealed Option: All parts shown can be ordered as 40 psi sealed. Add “S” to the part number, i.e., A1M4S. Tape & Reel Options: Consult Factory - M & J style only Recommended Tuning Tool: TT-400 General Specifications A1_4 A1_8 A1_12 Capacitance Range 0.5 to 4pF 0.5 to 8pF 0.6 to 11pF DC Working Voltage 250 125 125 DC Withstanding Voltage 500 250 250 Self-Resonant Frequency* 2.3 GHz at 4pF 1.7 GHz at 8pF 1.2 GHz at 11pF Number of Turns 7 7 13 Q (min) at 100 MHz @ Max. C* 4000 3000 2000 Temperature Coefficient 0±50 ppm/˚C 0±100 ppm/˚C 0±150 ppm/˚C Insulation Resistance @ 25˚ C 106 MΩ Operating Temperature -65˚C to +125˚C Tuning Torque 0.3 to 1.0 in - oz Shock 1,500g, 0.5 millisecs. Vibration 50g at 10 - 2000 Hz * Self-resonant frequency and Q are assured with no terminals on parts. 0.40” (10.16) 0.155” (3.94) Actual size a Knowles Precision Devices brand TM |
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