Product Overview
.02uF 600V Z5U Ceramic Disc Capacitor - Radial Lead, +80%/-20% Tolerance
Condition
Unused NOS. Visual inspection confirms orange disc body marked .022, Z5U, and 600V with two straight radial leads and light surface scuffs on the disc face - consistent with long-term storage. Sourced from an electronics distributor consolidating inventory.
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Product Overview
Cera-Mite .02Z-600V is a 0.02 uF 600V radial disc ceramic capacitor with Z5U temperature coefficient. Markings on the disc confirm the capacitance as .022 uF, voltage rating 600V, and Z5U dielectric. Z5U carries a +80%/-20% capacitance tolerance and a wide temperature characteristic, making it well-suited for coupling, decoupling, and bypass applications where tight capacitance stability is not required.
Key Features
- Capacitance: 0.02 uF (0.022 uF marked on disc)
- Voltage rating: 600V
- Dielectric: Z5U
- Tolerance: +80% / -20%
- Package: Radial disc ceramic
- Lead style: Two straight radial leads
Applications
- Bypassing and decoupling supply rails in audio amplifiers, power supplies, and general analog circuits
- AC coupling between circuit stages where capacitance drift over temperature is acceptable
- EMI filtering and noise suppression in line-powered equipment
- Breadboard prototyping and through-hole PCB builds where a 600V-rated disc cap fills the BOM
- Restoring or repairing vintage electronics that originally used radial disc ceramics in this value range
Frequently Asked Questions
Is this the same as a 0.022 uF capacitor?
Yes. The disc is marked .022, which is 0.02 uF rounded to the nearest standard E12 value. The part number and seller specs both confirm 0.02 uF as the rated value.
What does the Z5U rating mean for my application?
Z5U defines both the temperature range (+10°C to +85°C) and the allowable capacitance shift over that range (+22% to -56% from the 25°C value). It is a good fit for bypass, decoupling, and coupling duties where capacitance precision is not critical. Avoid Z5U in precision timing circuits or resonant circuits where tight capacitance stability over temperature is required.
What is the lead spacing on these capacitors?
Lead spacing is not confirmed from the available data. Measure the disc or test-fit on your PCB before committing to a board run.
Is a datasheet included?
Not included.
A 600V-rated disc ceramic is one of those parts that sits quietly in the parts drawer for years and then saves the day when nothing else on the shelf has the headroom. If you need the value and the voltage, this is the one.
