压电陶瓷蜂鸣片系列 --- 命名方式 --- -- 外部驱动系列 -- -- 自激式系列 --   Numbering for various spec of resonant impedance, capacitance   Appropriate oscillating frequency, unit:100Hz ex, 800Hz numbering by 08 1400Hz numbering by 44   Material identification T: Brass G: SUS N: Ni-alloy For electrode driving 2: without feedback electrode (external drive type) 3: with feedback electrode (self drive type)   Diameter of metal plate, Unit: mm --------------------------   外部驱动系列 -------------------------
1	RF092T14A		14.00±0.80		1000	3500±30%		9.0	6.0	0.23	0.10		Brass
2	RF092N72A		7.20±0.60		1000	8500±30%		9.0	6.0	0.12	0.05		Ni-alloy
3	RF102N85A		8.50±0.80		1000	6800±30%		10.0	7.0	0.12	0.05		Ni-alloy
4	RF112N58A		5.80±0.60		1000	11000±30%		11.0	8.0	0.13	0.05		Ni-alloy
5	RF122T56A		5.60±0.60		800	15000±30%		12.0	9.0	0.13	0.05		Brass
6	RF122T60A		6.00±0.60		800	13000±30%		12.0	9.0	0.13	0.05		Brass
7	RF122T49A		4.90±0.60		800	17000±30%		12.0	9.0	0.12	0.05		Brass
8	RF122N49A		4.90±0.50		1000	14000±30%		12.0	9.0	0.13	0.05		Ni-alloy
9	RF132T60A		6.00±0.60		500	20000±30%		13.0	9.0	0.13	0.05		Brass
10	RF132T66A		6.60±0.60		400	17000±30%		13.0	10.0	0.18	0.10		Brass
11	RF142N67A		6.70±0.50		1000	5000±30%		14.0	8.4	0.28	0.15		Ni-alloy
12	RF152T38A		3.80±0.50		500	31000±30%		15.0	11.3	0.13	0.15		Brass
13	RF152T41A		4.10±0.50		500	21000±30%		15.0	11.3	0.16	0.10		Brass
14	RF152T41B		4.10±0.50		800	8000±30%		15.0	11.3	0.16	0.10		Brass
15	RF152T62A		6.20±0.60		800	80000±30%		15.0	10.0	0.22	0.10		Brass
16	RF152N55A		5.50±0.50		500	10000±30%		15.0	10.0	0.22	0.10		Ni-alloy
17	RF182T36A		3.60±0.60		400	14000±30%		18.0	11.3	0.22	0.10		Brass
18	RF202T27A		2.70±0.30		300	35000±30%		20.0	15.0	0.17	0.10		Brass
19	RF202T36A		3.60±0.30		300	23000±30%		20.0	15.0	0.23	0.10		Brass
20	RF202T36B		3.60±0.30		300	30000±30%		20.0	15.0	0.23	0.10		Brass
21	RF202T39A		3.90±0.30		300	21000±30%		20.0	15.0	0.24	0.10		Brass
22	RF202T39B		3.90±0.30		300	25000±30%		20.0	15.0	0.24	0.10		Brass
23	RF202T42A		4.20±0.30		300	25000±30%		20.0	15.0	0.24	0.10		Brass
24	RF202T55A		5.50±0.30		300	14000±30%		20.0	15.0	0.37	0.20		Brass
25	RF202T65A		6.50±0.30		300	12000±30%		20.0	15.0	0.42	0.22		Ni-alloy
26	RF202T65B		6.50±0.30		300	15000±30%		20.0	15.0	0.42	0.22		Ni-alloy
27	RF202T22A		2.20±0.30		300	80000±30%		20.0	15.0	0.13	0.05		Ni-alloy
28	RF202N39A		3.90±0.30		300	25000±30%		20.0	15.0	0.24	0.10		Ni-alloy
29	RF212T22A		2.20±0.30		300	38000±30%		21.0	15.0	0.20	0.10		Brass
30	RF212T28A		2.80±0.30		300	30000±30%		21.0	15.0	0.23	0.10		Brass
31	RF212T34A		3.40±0.30		300	30000±30%		21.0	15.0	0.23	0.10		Brass
32	RF212S32A		3.20±0.30		300	25000±30%		21.0	15.0	0.23	0.10		SUS
33	RF212T45A		4.50±0.30		150	80000±30%		21.0	20.0	0.34	0.10		Brass
34	RF232T53A		5.30±0.30		500	22000±30%		23.0	12.9	0.15	0.05		Brass
35	RF272T20A		2.00±0.30		300	45000±30%		27.0	20.0	0.20	0.10		Brass
36	RF272T26A		2.60±0.30		300	45000±30%		27.0	20.0	0.28	0.15		Brass
37	RF272T26B		2.60±0.30		300	40000±30%		27.0	20.0	0.28	0.15		Brass
38	RF272N28A		2.80±0.30