jb capacitors company have very competitive offer for below Ceramic capacitors.
JYA-Y1 and Y2 AC Safety Standard Recognized Capacitors download pdf
Operating Temperature -25°C~ +85°C JYA-Y1-and-Y2-AC-Safety-Standard-Recognized-Capacitors
Capacitance Range 10pF TO 10000pF
Capacitance Tolerance ±10%, ±20%, +80-20%
Rated Voltage AC 125V, 250V, 300V, 400V
Temperature Cofficient 2B(Y5P)±10%、2E(Y5U)+22%~-56%、2F(Y5V)+22%~-82%
Dissipation Factor (tan δ) 2B: 2.5% max. at 25℃ and 1 KHz, 1±0.2 Vrms.
Insulation Resistance at 20℃ 2E/2F: 2.5% max. at 25℃ and 1 KHz, 1±0.2 Vrms.
Dielectric Strength 10000MΩat 500VDC for 1 minute.
1500V AC for 60 seconds. (250V AC)
4000V AC for 60 seconds. (400V AC)
JYC-1KV- 6KV DC High Voltage Ceramic Capacitors download pdf
Operating Condition -25°C~ +85°C JYC-DC-High-Voltage-Ceramic-Radial-Type-Disc-Capacitors
Rated Working Voltage 1KV – 6KV DC
Capacitance Range 100pF – 10,000pF
Test Voltage UR≤500V, U=2.5UR, UR>500V . ≤6KV, U=1.5UR+500V
Insulation Resistance 10,000 MΩ or 200 MΩ whichever is the smaller