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AT25LSD 数据表(PDF) 25 Page - Knowles Electronics

部件名 AT25LSD
功能描述  Introduction to Knowles Precision Devices
PDF  60 Pages
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制造商  KNOWLES [Knowles Electronics]
网页  http://www.knowles.com
标志 KNOWLES - Knowles Electronics

AT25LSD 数据表(HTML) 25 Page - Knowles Electronics

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www.knowlescapacitors.com
23
Miniature PTFE Trimmers - A4 Series
General Specifications
A4_3
A4_5
Capacitance
0.45 to 3pF
0.6 to 5pF
DC Working Voltage
125
125
DC Withstanding Voltage
250
250
Self-Resonant Frequency*
3 GHz at 3pF
1.8 GHz at 5pF
Number of Turns
4
5
Q (min) at 100 MHz @ Max. C*
3000
2000
Temperature Coefficent
0±100 ppm/˚C
0±300 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.
The Voltronics A4 Series unique design using minimal parts
simplifies the manufacturing process to effect one of the most
economical high performance trimmer capacitors available in the
industry.
The Voltronics A4 Series also features a high reliability solid
dielectric, positive tuning stops and up to 5 full turns of linear
tuning in the shortest length of any similar trimmer capacitor.
The Voltronics A4 is an ideal choice for tuning and impedance
matching, high frequency and high power amplifier circuits.
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:
Part No.
DC Volts Working
DC Volts Withstanding
A4_3 HV
500
1,000
A4_5 HV
500
1,000
Non-Magnetic Option -
All parts can be ordered as non-magnetic. Add “NM” to the part
number, i.e. NMA4J3
Tape and Reel Options: Consult Factory - M style only
SD Option -
For applications requiring high reliability but lower voltage
Part No.
Working Voltage
Withstanding Voltage
K_1SD
250
500
A or K_4SD
250
500
A_25SD
125
250
A_30*
250
500
A_40SD
250
500
A_55SD
125
250
Note: A_30 not available in high voltage configuration
U.S Patent No. 5,229,911
0.225”
(5.72)
0.155”
(3.94)
Actual size
a Knowles Precision Devices brand
TM



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