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Explore detailed specifications, datasheet info, and best-use guidance for the 1nF 63V polyester box (PB5) capacitor. Practical selection and local SA buying notes.
Essential ratings and application notes for 1nF 63V PB5 capacitors.
How to choose, use, and troubleshoot 1nF 63V polyester box capacitors.
Find popular brands, local stock, and procurement tips at Communica.
A 1nF 63V PB5 capacitor is a box-type film capacitor rated for 1 nanofarad (nF) of capacitance and a maximum working voltage of 63 volts DC. The PB5 marking typically indicates a polyester dielectric in a rectangular encapsulated case. These components are widely used in signal coupling, filtering, decoupling, and timing applications in both analog and digital circuits.
| Parameter | Value / Range | Notes |
|---|---|---|
| Capacitance | 1nF (1000pF) | Tolerances of 5% or 10% |
| Voltage Rating | 63V DC | Do not exceed under any circumstance |
| Dielectric | Polyester (PET, Mylar) | Cost-effective, wide use |
| Package | PB5 (box style) | Enclosed, typically flame-retardant epoxy |
| Lead Pitch | 5mm (typical PB5) | Check datasheet for exact value |
| Operating Temp. | -55 degreesC to +125 degreesC | Derate at upper limit |
| Dissipation Factor | <=1.0% @ 1kHz | Low loss for signal work |
Datasheets for 1nF 63V polyester box capacitors outline all key ratings, including capacitance, voltage, tolerance, dissipation factor, temperature range, insulation resistance, and physical dimensions. When designing with these, consult the manufacturer datasheet to confirm exact pitch and dimensions for PCB layouts.
Polyester box capacitors like the PB5 type are well stocked at Communica and are a staple for makers, technicians, and students looking for reliable signal capacitors in small and mid-sized quantities.
To use a 1nF 63V PB5 capacitor in a filter circuit (for example, a basic RC low-pass):
The cutoff frequency (fc) for an RC filter is:
fc = 1 / (2piRC)
If you choose R = 16kOhm and C = 1nF, the cutoff is:
fc = 1 / (2 x pi x 16,000 x 1x10-9) ~ 9.95 kHz
This is suitable for basic signal filtering in sensor or data acquisition projects, common in South African university lab set-ups.
The PB5 box package has axial leads on a 5mm pitch, making it easy to use with breadboard or perfboard layouts. For PCB:
(Vcc) ----[R]----+----[C PB5]----- GND
|
signal out
Always keep traces as short as possible for noise-sensitive circuits.
VAT invoices, quotations, and official documentation are available for university labs, procurement offices, and school projects - simply select the relevant option during checkout.
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