He excited (general) piezoelectric ceramic buzzer 
 External Drive (General Type) ① 
 Model 
 Model No resonant frequency 
 Resonant 
 Frequency 
 (KHZ) resonant impedance 
 Resonant 
 Impedance 
 (Ω max) Static capacitance 
 Staic 
 Capacitance 
 (PF) ± 30% size dimensions (mm) 
 Product Diameter 
 ± 0.1 diameter ceramic 
 The total thickness of ± 0.2 
 Substrate thickness ± 0.05 
 ± 0.03 
 SS-12T-18.5E 18.5 ± 0.7 400 5000 12 9 0.39 0.18 
 SS-13TL-13.5E 13.5 ± 0.7 500 8000 24 * 13 10 0.38 0.20 
 SS-15T-10.5E 10.5 ± 0.7 300 8000 15 11 0.39 0.18 
 SS-15G-14.3E 14.3 ± 0.7 400 7000 15 11 0.48 0.25 
 SS-15T12H-13E 13.0 ± 0.7 350 8000 15 (12) 11 0.39 0.18 
 SS-18T-8.6E 8.6 ± 0.7 300 15000 18 15 0.48 0.25 
 SS-20T-6.8E 6.8 ± 0.7 300 15000 20 15 0.42 0.18 
 SS-20G-7.0E 7.0 ± 0.7 300 15000 20 15 0.42 0.18 
 SS-27T-4.0E 4.0 ± 0.5 200 28000 27 20 0.45 0.23 
 SS-27G-4.2E 4.2 ± 0.5 200 28000 27 20 0.42 0.21 
 SS-27T-3.5E 3.5 ± 0.5 300 28000 27 20 0.38 0.15 
 SS-30T-3.1E 3.1 ± 0.5 400 28000 30 20 0.45 0.23 
 SS-31T-2.9E 2.9 ± 0.5 300 28000 31 20 0.45 0.23 
 SS-31G-3.0E 3.0 ± 0.5 300 25000 31 20 0.45 0.23 
 SS-35T-2.6E 2.6 ± 0.5 250 38000 35 25 0.45 0.23 
 SS-35G-2.7E 2.7 ± 0.5 250 38000 35 25 0.45 0.23 
 SS-38T-2.0E 2.0 ± 0.5 500 45000 38 25 0.45 0.23 
 SS-41T-4.5E 4.5 ± 0.5 250 45000 41 25 0.45 0.23 
 SS-45T-3.5E 3.5 ± 0.5 300 45000 45 25 0.45 0.23 
 SS-47T-3.6E 3.6 ± 0.3 300 45000 47 25 0.45 0.23 
 SS-50T-3.2E 3.2 ± 0.5 200 45000 50 25 0.45 0.23 
 SS-50T-1.3E 1.3 ± 0.3 800 55000 50 30 0.45 0.23