Tụ điện chuẩn IETLAB GenRad 1419 series (100 pF tới 1.1 µF ;0.5% )
Hãng sản xuất: IET LAB Model: GenRad 1419 series Bảo hành: 12 tháng
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Hãng sản xuất: IETLAB
Xuất xứ: USA
( Khách hàng chọn model, thông số chi tiết tại mục Datasheet, Download/video. )
Dải đo 100 pF tới 1.1 µF
Có 3 models
Độ chính xác 0.5%
1419 Decade Capacitor Basic Specifications
(See Datasheet for Full Specifications)
|Maximum Capacitance of Box ( µF)||1.11||1.111||1.11|
|In Steps of (pF)||1000||100||1000|
|Accuracy 2 Terminal Connection||1%||1% + 2pF||0.50%|
|Max Voltage||500 V up to 35 kHz||500 V up to 35 kHz||500 V up to 10 kHz|
|Dissipation Factor at 1 kHz||<0.0002||<0.0002||<0.0003|
The IET/GenRad 1419 Series Decade Capacitors, 100 pF to 1.1 uF, are offered in three models using two different dielectric materials,polystyrene and silvered-mica, to satisfy a variety of needs.
GenRad 1419-A and GenRad 1419-B (Polystyrene) Owing to its very low dielectric absorption, the GenRad 1419A 3 Decade 1000 pF/step & 1419B 4 Decade 100 pF/step Polystyrene Decade Capacitors are particularly useful in research and development work on computer and integrator circuits and on low-level amplifiers. Its constancy of capacitance and dissipation factor as a function of frequency also makes it extremely useful in measuring circuits and as a component in filters and tuned circuits. High insulation resistance and low dielectric absorption make it the 1419 Decade Capacitor a nearly ideal capacitor for dc work.
This decade capacitor is based on development work and manufacturing experience at General Radio since 1940. The individual capacitor units for designed to be essentially non-inductive and are heat-stabilized, so that their long-time stability approaches that of the best silvered-mica capacitors.
The 1419-A and B decade capacitors are wound in spool form from continuous interleaved tapes of polystyrene and metal foil. The foils projecting at each end of the roll are soldered together to minimize inductance and series resistance. The tape used for the dielectric is specially prepared of purified high-molecular-weight polystyrene, having very high resistance and freedom from polarization. Hermetic sealing with Teflon feed-through insulators assures high performance even under adverse humidity conditions
Terminals are provided for both 2-terminal and 3-terminal connections.
GenRad 1419-K (Silvered Mica) This high-quality decade capacitor finds uses in every laboratory: in tuned circuits, impedance bridges, filters, or in any circuit where an accurate and stable step adjustable capacitor is necessary. The 1419K has higher accuracy, low dissipation factor, and better stability than the 1419A/B. The 1419 has a temperature coefficient of +35 ±10 ppm/°C (10-50 °C) for use in higher ambient temperature applications.
The IET 1419 is ideal for customers wanting a direct replacement or have a system that has been qualified with the GenRad 1419 as the current design has not been changed from the original GenRad 1419.
The 1419 has a useful frequency response to 1 MHz for audio applications and testing LCR meters.
1419A / 1419-9701 Capacitor Decade GenRad NSN: 6625-00-953-7537
1419B / 1419-9702 Capacitor Decade GenRad NSN: 6625-00-124-9382
1419K / 1419-9711 Capacitor Decade GenRad NSN: 6625-00-585-1670