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Illustrative image. Size, marking and color may differ from the actual part.
B series high voltage ceramic capacitor
B-25KV-471
25 kV blue ceramic disc capacitor
B-25KV-471 has copper leads, a Φ12 mm body, H8.5 mm dimension and F10 mm lead pitch. Nominal capacitance is 470 pF. The same model appears with different dimensions; specify the size in your inquiry.
- Nominal capacitance
- 470 pF
- Tolerance
- Specified at order
- Rated voltage
- 25 kV
Interactive illustration
B-25KV-4713D construction and section
Rotate the capacitor to explore its exterior, section and material layers. Colors follow the construction described in the product information.
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Blue coating covers the ceramic disc; two copper leads emerge from the bottom.
- ① CoatingEpoxy resin
- ② Ceramic dielectricElectronic ceramic
- ③ Silver electrodeSilver; 99.99% surface coverage
- ④ SolderCompliant tin solder
- ⑤ LeadsCopper wire
Construction illustration, not to scale. Coating, dielectric and electrode thicknesses and internal shape require a confirmed engineering drawing.
Electrical
| Nominal capacitance | 470 pF (code 471) |
|---|---|
| Tolerance | Specified at order: K = ±10%, R = ±15% or M = ±20% |
| Rated voltage | 25 kV |
Dimensions
| Body diameter Φ | Φ12 mm |
|---|---|
| Body dimension H | H8.5 mm |
| Lead spacing F | F10 mm |
| Dimension units | mm (millimetres) |
| Leads | Copper wire |
Construction materials
| Coating | Epoxy resin |
|---|---|
| Dielectric | Electronic ceramic |
| Electrode | Silver (silver surface coverage 99.99%) |
| Solder | Environmentally compliant tin solder |
| Leads | Copper wire; 0.6 / 0.8 mm diameter, with the selected size specified in the order |
Performance and testing
| Operating temperature | −25 ~ +125 °C |
|---|---|
| Storage temperature | −40 ~ +85 °C |
| Dissipation factor | ≤ 1.0% |
| Insulation resistance | ≥ 10,000 MΩ |
| Withstand voltage | 1.5–2.0 × rated voltage for 5 seconds |
| Test conditions | 22 ± 2 °C; 1.0 ± 0.2 V; 1 ± 0.1 kHz |