ПИЕЗО ЗУМЕР Murata PKM22EPP-40 75dB 22MM
ПИЕЗО ЗУМЕР Murata PKM22EPP-40 75dB 25Vp-pр max 22мм, без вграден генератор
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ПИЕЗО ЗУМЕР Murata PKM22EPP-40 75dB 25Vp-pр max 22мм, без вграден генератор
Oscillation circuits | Not built-in |
---|---|
Size | φ22.0×8.2 mm |
Frequency | 4.0kHz |
Sound Pressure Level | 87dB (typ.) |
Sound Pressure Level | 75dB (min.) |
Measure Condition of Sound Pressure Level | [±1.5Vo-p,4.0kHz,square wave,10cm] |
Capacitance | 12nF |
Capacitance Tolerance | ±30% |
Measurement Condition of Capacitance | [1kHz] |
Maximum input voltage | ±15.0Vo-p max. |
Operating Temperature Range | -20℃ to 70℃ |
Storage Temperature Range | -30℃ to 80℃ |
Shape | Lead |
Lead Shape | Lead Wire type(Twist type) |
Lead length | Lead length:6.5mm |
Drive Type | External Drive |
EIAJ Part Number | PS-RP2-C22-40 |
Mass | 2864mg |
Externally driven piezoelectric sounders are used in digital watches, electronic calculators, telephones and other equipment. They are driven by a signal (ex.: 2048Hz or 4096Hz) from an LSI and provide melodious sound.
Features
1. Low power consumption
2. No noise and high reliability