Our Products Buzzer Magnetic Transducer External Drive Type ZB-8504 Shape size: 8.5 × 8.5 × h4.0 Dimensions: UNIT: mm Tolerance: ±0.5mm PDF Please Click products below, and click Add to Inquiry List for inquiry. Part No. Rated Voltage (V) Operating Voltage *Rated Current(MAX) (mA) *Min Sound Output at 10 cm (dB) Coil Resistance (Ω) *Resonant Frequency (Hz) 8504A 3.6 2.5-4.5 90 85 (typ88) 16±3 2730 8504B 3.6 2.5-4.5 90 87 (typ90) 16±3 3000 Add to Inquiry List Review Inquiry List Back