| Piezo Electric Buzzer (DC Type) |
 Ver. 3.0 DATE : 2009-05-25 |
PK-21H28PQ
| Housing ( 外蓋 ) | ABS 777 UL94HB plastic resin |
| Color ( 顏色 ) | Gray |
| Pin ( 腳柱 ) | Tin Plated Brass |
| Weight (Gram) ( 重量 ) | 12 |
| Oscillation Frequency ( 協振頻率 ) | 2.8 ± 0.5 | KHz |
| Operating Voltage ( 操作電壓 ) | 9 ~ 12 | Vdc |
| Rated Voltage ( 額定電壓 ) | 12 | Vdc |
| Current Consumption ( Max. ) ( 耗電流 ) | 50 at Rated Voltage | mA |
| Sound Pressure Level ( Min. ) ( 音壓 ) | 96 at 60 cm at Rated Voltage | dB |
| Tone / Pulse Rate ( 音頻 / 斷續速率 ) | Constant | |
| Operating Temperature ( 工作溫度 ) | -20 ~ +90 | °C |
| Storage Temperature ( 儲存溫度 ) | -30 ~ +100 | °C |
| Wave soldering conditions ( 波峰焊接條件 ) | 260 ± 5 / within 5 sec | °C |
| Manual soldering conditions ( 手工焊接條件 ) | 350 ± 20 / within 5 sec | °C |
| PIN Type | Unit:mm |
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