gas igniter,piezo igniter, windproof lighter,piezoelectric igniter,ceramic igniter ------------------------------------------------------------------------------------------------------- Product DetailsOperation Temperature: -40oC -275oCPowerVoltage: ≥15KV Operation Power: ≤4Kgf Electromenchanical Coupling Coefficient: KPT=0.62 Relative Dielectric Constant: K33=1750 Piezoelectric Constant: D33=400×10-12 C/N Service Life: ≥10,000 Times Approval: CE ,ROSH Piezo Impact Element Part No Dimension (mm)d33Capacitance (pf)Frequency (KHz)AV-FI-16636Φ6.35 x 16>525.2 x 10-12 C/N30.90 ± 10%35.5AV-FI-406AΦ5 x 10>362.8 x 10-12 C/N17.38 ± 10%51.9AV-FI-105(86)Φ5 x 10>518.4 x 10-12 C/N29.21 ± 10%55.2AV-FI-525Φ2.5 x 5>350 x 10-12 C/N12 ± 10%40