Product Overview
3.3nF 1kV Ceramic Disc Capacitor, Marked 332K, New Old Stock, Sold Each
Condition
New, old stock, sold each. The photographed piece has a blue coated disc body printed B over 332K over 1KV, with a small mark and the figures 162 alongside that are not clearly legible in the photograph. Both radial leads are straight, bright and full length, with no solder on them and no visible corrosion or oxidation. Against the millimeter ruler the disc body measures approximately 9 mm across. Seventy pieces are in stock and the capacitor shown is representative of them rather than the specific piece you will receive.
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Product Overview
This is a high-voltage ceramic disc capacitor in the classic radial-lead, through-hole form. The 332K printed on the face is the standard three-digit value code: 33 followed by two zeros in picofarads, so 3300 pF, which is 3.3 nF or 0.0033 uF, and the trailing K is the +/- 10% tolerance letter, matching the tolerance the original listing has always stated. The 1KV beside it is the printed voltage rating. Disc ceramics are the part reached for when the working voltage climbs past what an ordinary 50V or 100V component will survive - coupling and bypass duty in tube audio, snubbers across contacts and switching devices, CRT and flyback sections, ignition and gas-discharge circuits, and line filtering. The body also carries a B and a partly legible 162; those are read off the photograph as printed and are not decoded here. Search variants: 332K 1KV, 3300pF 1kV disc, 0.0033uF ceramic, ceramic disk capacitor.
Key Features
- Marked value: 332K, which is 3300 pF / 3.3 nF / 0.0033 uF
- Tolerance: +/- 10%, per the K suffix and the original listing
- Voltage: 1KV printed on the body - confirm DC versus AC working voltage against the manufacturer datasheet before use
- Construction: ceramic disc with a blue coating
- Leads: radial, through-hole, straight, bright and untrimmed
- Body size: approximately 9 mm across, measured against the millimeter ruler in the photo
- Other face markings: B, plus a small mark and the figures 162 that are not clearly legible
- Condition: new, old stock - sold each from a stock of 70
Applications
- Tube amplifier builder needing a 3.3nF coupling or tone-stack cap that will sit happily on a several-hundred-volt rail
- Repair technician putting a snubber back across a relay contact or triac in a line-powered controller
- Restorer of vintage TV, radio or CRT monitor chassis replacing a cracked high-voltage disc in the flyback area
- Bench experimenter building an ignition, Tesla coil or gas-discharge test circuit who needs a couple of pieces, not a bag of a hundred
Frequently Asked Questions
What does the 332K marking actually mean?
It is the standard three-digit picofarad code: 33 with two zeros after it, so 3300 pF. That is 3.3 nF or 0.0033 uF, and the K means +/- 10% tolerance. The 1KV under it is the printed voltage rating.
Is the 1 kV rating DC or AC?
The body just reads 1KV, and we are not going to guess for you. Disc ceramics of this style are commonly specified as a DC working voltage with a much lower AC rating, so if your circuit is AC or pulsed, verify against the manufacturer datasheet for this style before you put it in service.
Who made it, and does that matter here?
There is a small mark on the face next to the 162, but it is not legible in the photograph, so we are not putting a maker's name on it. What is legible is the value, the tolerance letter and the voltage, which is what determines whether it fits your board.
Is this actually unused?
Yes. It is new, old stock: the leads are full length, straight and bright, with no solder, no cut marks and no board residue on them. Nothing here has been through a chassis.
Why buy two or three of these instead of a bag of a hundred somewhere else?
Because a 3.3nF 1kV disc is usually a one-or-two-piece problem. You are replacing a cracked cap in a flyback section or adding a snubber to a single contact, and a forced lot of 100 leaves 98 of them in a drawer forever. Here you buy the exact count you need. Shipping is $8 flat rate and free once the order passes $28, so it pays to fill the rest of the order with the other parts on your list, and everything leaves our Idaho warehouse the same or next business day.
Blue discs like this one spent decades doing the unglamorous high-voltage work - sitting across a contact, taking the spike, and saying nothing about it. Solder one in and it goes right back to being the quietest part on your board.
