Part No. Resonant Frequency Resonant Impedance Capacitance Type Dimension(mm) Material of metal plate (KHz) (Ω) (max.) (pF) ±30% D d T t H D15E40B 4.0 ± 0.5 500 31000 A 15.0 11.3 0.12 0.05±0.05   Brass D15E60B 6.0 ± 1.0 1000 14000 A 15.0 11.3 0.23 0.10±0.03   Brass D18E36B 3.6 ± 0.5 1000 14000 A 18.0 11.3 0.23 0.10±0.05   Brass D20E20A 2.0 ± 0.5 500 60000 A 20.0 15.0 0.13 0.10±0.03   Ni-alloy D20E40B 4.0 ± 0.5 400 30000 A 20.0 15.0 0.22 0.10±0.02   Brass D20E65B 6.5 ± 0.5 300 15000 A 20.0 15.0 0.42 0.21±0.03   Brass D20S40B 4.0 ± 0.5 600 20000 B 20.0 15.0 0.28 0.15±0.05   Brass D20S65B 6.5 ± 0.5 400 14000 B 21.0 15.0 0.42 0.20±0.03   Brass D21S34B 3.4 ± 0.5 800 18000 B 21.0 15.0 0.21 0.10±0.05   Brass D21S40B 4.1 ± 0.5 500 18000 B 21.0 15.0 0.31 0.21±0.05   Brass D27E26B 2.6 ± 0.3 600 47000 A 27.0 20.0 0.23 0.10±0.02   Brass D27E35B 3.5 ± 0.5 600 30000 A 27.0 20.0 0.4 0.20±0.05   Brass D27E40B 4.0 ± 0.5 500 28000 A 27.0 19.8 0.42 0.20±0.03   Brass D27S27A 2.7 ± 0.5 350 36000 B 27.0 19.8 0.33 0.20±0.05   Ni-alloy D27S35B 3.5 ± 0.8 500 19000 B 27.0 19.8 0.43 0.20±0.05   Brass D27S44B 4.4 ± 0.5 350 17000 A 27.0 19.8 0.53 0.25±0.05   Brass D31E13A 1.3 ± 0.5 1000 47000 A 31.0 20.0 0.2 0.10±0.05   Ni-alloy D35E29B 2.9 ± 0.5 300 30000 A 35.0 24.8 0.58 0.30±0.05   Brass D35S29B 2.9 ± 0.5 600 25000 B 35.0 25.0 0.58 0.20±0.03   Brass D35S34S 3.4 ± 0.5 400 39000 B 35.0 25.0 0.6 0.40±0.05   SUS D41E08A 0.8 ± 0.3 2000 77000 A 41.0 24.8 0.23 0.10±0.03   Ni-alloy D50E10B 1.0 ± 0.3 600 50000 A 50.0 30.0 0.4 0.20±0.03   Brass D1512E66B-H 6.6±0.7 600 13,000 C 15.0 10.0 0.22 0.1± 0.03 12.0 Brass

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