# WT-1201 Electromagnetic Buzzer

## Specifications
️· Oscillation Frequency: 2400 Hz (Vo-p=1/2 duty, square wave)
️· Operating Voltage: 1 ~ 2 Vo-p
️· Rated Voltage: 1.5 Vo-p
️· Current Consumption: 35 mA (at rated voltage)
️· Sound Pressure Level: 85 dB (at 10cm, at rated voltage)
️· Coil Resistance: 16 ± 4 Ω
️· Operating Temperature: -30 ~ +70 °C
️· Storage Temperature: -20 ~ +85 °C
️· Dimensions: φ12.0 × H9.5 mm
️· Weight: 2.0 gram (max)
️· Housing Material: PBT
️· Leading Pin: Tin-plated brass

## Reliability Tests
️· High Temperature Test: 80 ± 2 °C for 96 hours, SPL variation ±10dB
️· Low Temperature Test: -30 ± 2 °C for 96 hours, SPL variation ±10dB
️· Humidity Test: 90-95% R.H. at 40 ± 2 °C, SPL variation ±10dB

️· Drop Test: 75cm drop onto 4cm thick wood, SPL variation ±10dB
️· Vibration Test: 1.5mm amplitude, 10-55Hz, SPL variation ±10dB
️· Solderability Test: Immersed in rosin for 5s, then solder at +300 ± 5 °C for 3 ± 1s, 90% min. lead wetness
️· Terminal Pull Test: 9.8N force, no damage or cutting off

## Components & Materials
️· Cover: PBT
️· Diaphragm: Iron
️· Magnet: Nylon + Iron
️· Coil: Copper
️· Core: Iron
️· PCB: Epoxy glass fiber cloth + copper
️· PIN: Copper

## Packing
️· Tray: 190 x 190 x 25 mm, 100 pcs/tray
️· Out Box: 210 x 210 x 220 mm, 10 trays (1000pcs)
️· Carton Box: 430 x 430 x 250 mm, 4 out boxes (4000pcs)