Our Products Buzzer Magnetic Transducer External Drive Type ZB-8503 Shape size: 8.5 × 8.5 × h3.0 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 (V) *Rated Current(MAX) (mA) *Min Sound Output at 10 cm (dB) Coil Resistance (Ω) *Resonant Frequency (Hz) ZB-8503A 3.6 2.5-4.5 90 85 (typ.88) 16±3 2730 ZB-8503B 3.6 2.5-4.5 90 85 (typ.88) 16±3 3000 Add to Inquiry List Review Inquiry List Back