Murata Manufacturing Co., Ltd.- Audio Transducers

Murata Manufacturing Co., Ltd., founded in 1944, is a global leader in the design and manufacture of electronic components, with its headquarters in Nagaokakyo, Kyoto Prefecture, Japan. The company's core business revolves around advanced ceramic materials and their applications, including capacitors, inductors, filters, sensors, and wireless communication modules. Murata's product portfolio is anchored by its world-renowned multilayer ceramic capacitors (MLCCs), with series such as the GRM and GCM families, which are essential in virtually all electronic devices. In addition, the company offers a broad range of inductors (LQM, LQH series), EMI suppression filters, and noise suppression components. Murata is a major supplier of connectivity solutions, including Type 1YN and Type 1DX Wi-Fi/Bluetooth modules, enabling IoT and automotive applications. Its timing devices, such as crystal oscillators and ceramic resonators (e.g., CSTCE series), provide precise frequency control. The company also produces MEMS-based sensors, including gyroscopes (SCC2000 series) and accelerometers, for automotive safety and industrial systems. Power supply modules and DC-DC converters further expand its footprint in energy-efficient designs. Murata holds the number-one global market share in MLCCs, estimated at around 40%, and is a top-three player in SAW filters and connectivity modules. Renowned for its vertical integration and proprietary ceramic material science, Murata continuously pushes miniaturization and performance boundaries, serving industries from smartphones to electric vehicles.

Audio Transducers - 型号列表

154 parts in total

Mfr Part #	Quantity Available	Price	RoHS	Frequency	Product	Product Category	Series	Sound Pressure Level (SPL)	Height	Diameter	Packaging	Mounting Type	Type	Termination Style	Technology	Factory Pack Quantity	Voltage Rating	Operating Temperature	Size / Dimension	Voltage - Supply (Min)	Termination	Standard Package	Frequency - Max	Shape	Output Function	Length - Overall	Other Specifications	Lead Time	Other Names	Subcategory	EU RoHS	Automotive	Leadfree Defin	Input Type	Voltage Range	Operating Mode	Driver Circuitry	Number of Contacts	Exterior Housing Material	Washable	Temperature - Test	Mechanical Life	MOQ	Unit Pack	Frequency Range	Capacitance @ Frequency	Current Rating (Max)	Depth	Impedance	Length	Voltage - Supply	Matchcode	Standard Leadtime	Size	Current - Output	Length - Pin	DELETED	Capacitance	Drive Type	Width	Function	Frequency - Min	Current - Supply	Diode Configuration	Impedance (Max) (Zzt)	Frequency - Self Resonant	Dimensions - Overall	Description	Pitch	Tone	Modulation or Protocol
8 PKM24SPH3805 Audio Sounder Piezo 12VDC 12mA Pin 3VDC 3400Hz to 4200Hz Through Hole Audio Indicators & Alerts 90DB 3.80KHZ 24.0MM ALARM(R) PKM24SPH 3,8KHz 24MM THT BUZZER PIEZO 20VDC 3.8KHZ PC MT PCB continuous tone buzzer 12Vdc 90dB Murata 3 → 20 V dc 90dB 连续音调内部驱动压电蜂鸣器, 3400 → 4200 Hz OBSOLETE LTB: 31.Oct.2016 murata electronics	2287	1: ¥13.736	RoHS Compliant	4 kHz	Piezoelectric	Audio Indicators & Alerts	PKM	90 dBA	11 mm	24 mm	Bulk	Through Hole	Sounder	Wire	Piezo	360	12 Vdc	-20°C ~ 70°C	Circular - 24.00mm Dia x 11.50mm H	20VDC	Pin	Bulk	4200 Hz	-	Self Drive	24mm	YES	70 Days	490-4703	Audio Indicator and Alerts	Compliant	NO	RoHS-conform	DC	3 ~ 20V	Continuous	Indicator, Internally Driven	2	YESy/n	No	-20°C	-	360	360	3400 to 4200 Hz	-	12mA	24 mm	-	-	20V dc	SIGP3,8KO	14 weeks	-	12mA	4mm	Compliant	-	-	-	-	3400Hz	12	Continuous	-	-	-	-	-	-	-
4 PKM30SPTH2501-B0 Audio Sounder Piezo 12VDC 20mA Pin 3VDC 2200Hz to 2800Hz Through Hole Audio Indicators & Alerts 2.5kHz +/-0.3kHz 20v Sound Component BUZZER PIEZO 20VDC 2.5KHZ PC MT murata electronics	46	1: ¥20.808	RoHS Compliant	2500 Hz	Piezoelectric	Audio Indicators & Alerts	-	75 dBA	33.25 mm	-	Bulk	Through Hole	Sounder	Solder	Piezo	-	12 Vdc	-20°C ~ 70°C	Rectangular - 30.5mm L x 7.7mm W x 33.25mm H	-	Pin	Bulk	2800 Hz	-	Self Drive	30.5 mm	-	-	490-4704	-	-	-	-	DC	3 ~ 20V	Continuous	Indicator, Internally Driven	-	-	No	-	-	-	-	2200 to 2800 Hz	-	20 mA	7.7 mm	-	-	-	-	-	-	20mA	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3 7BB-15-6 Audio Diaphragm Piezo Wire Lead 5000Hz to 7000Hz Speakers & Transducers 10.0nF +/-30% 800ohm 6.0kHz +/-1.0kHz BUZZER Piezo element, 7BB-15-6, Murata 7BB 6kHZ 15MM DISC murata electronics	3000	3000: ¥0.8942	RoHS Compliant By Exemption	6 kHz +/- 1 kHz	Speakers	Speakers & Transducers	7BB	-	0.22 mm	15 mm	Bulk	DISC	Diaphragm	-	Piezo	8000	-	-20...+70 °C	0.39" Dia (10mm)	-	Wire Lead	Bulk	7000 Hz	-	External Drive	15 mm	NO	42 Days	-	Audio Indicator and Alerts	-	NO	RoHS-conform	-	-	-	-	-	NO y/n	-	-20 °C	Obsolete	-	-	5000 to 7000 Hz	10000pF @ 1kHz	-	-	800 Ohm	-	-	-	-	0.39" Dia (10mm)	-	-	-	10000pF @ 1kHz	-	-	-	-	-	-	800 Ohm	6	15 x 0.22 mm	For external oscillator	-	-	-
2 7BB-20-6C Audio Diaphragm Piezo Wire Lead 5700Hz to 6900Hz Audio Indicators & Alerts 8.5nF +/-30% 6.3kHz +/-0.6kHz AUDIO INDICATOR 7BB 6,3KHZ 20MM DISC murata electronics	1009	1: ¥4.964	RoHS Compliant By Exemption	6.3 kHz +/- 0.6 kHz	Piezoelectric	Audio Indicators & Alerts	MEMBRANE	-	0.42 mm	20 mm	Bulk	Flush	Diaphragm	-	Piezo	1800	-	-	-	-	Wire Lead	Bulk	6900 Hz	-	Self Drive	20 mm	NO	42 Days	-	Audio Indicator and Alerts	Compliant	NO	RoHS-conform	-	-	-	-	2	NO y/n	-	-20 °C	-	-	-	5700 to 6900 Hz	8500pF @ 1kHz	-	-	500 Ohm	-	-	-	-	0.79" Dia (20mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2 7BB-41-2L0 Audio Diaphragm Piezo Wire Lead 1900Hz to 2500Hz BUZZER ELEMENT STD 2.2KHZ Audio Indicators & Alerts 2.2KHz 41mm Ext Dr murata electronics	769	1: ¥17.884	Lead free / RoHS Compliant	2.2kHz	Piezoelectric Diaphragms	Audio Indicators & Alerts	7BB	-	0.63 mm	41 mm	Bulk	-	Diaphragm	Wire Leads	Piezo	250	-	-	0.63 mm H	-	Wire Lead	Bulk	2500 Hz	-	External Drive	-	-	42 Days	490-7718	Audio Indicator and Alerts	Compliant	-	-	-	-	-	-	2	-	-	-	-	-	-	1900 to 2500 Hz	30000pF @ 1kHz	-	-	300 Ohm	-	-	-	-	1.61" Dia (41mm)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3 PKLCS1212E2400-R1 Speakers & Transducers Piezo 12X12mm 2.4 KHz Sounder Audio Sounder Piezo 1.5Vo-p Solder Pad Surface Mount PIEZOELECTRIC SOUNDER SMD Murata -12.5 → +12.5 V 75dB 表面贴装外部驱动压电蜂鸣器, 最大为 2.4 kHz Murata Electronics	1509	1: ¥10.404	RoHS Compliant	2.4 kHz	Speakers	-	PK	75 dB	3 mm	-	Reel	Surface Mount	Piezoelectric	SMD/SMT	Piezo	-	1.5Vo-p	- 40 C to + 85 C	12 x 12 x 3mm	12.5 V	Solder Pad	1,000	2400Hz	Square	External Drive	12	75dB	70 Days	490-5957-1	Audio Indicator and Alerts	Compliant	-	-	zero-peak Signal	1.5 ~ 12.5V	Continuous	Transducer, Externally Driven	2	-	No	-	-	-	-	-	-	-	3 mm	-	12 mm	12.5V	-	-	-	-	-	-	-	外部	12 mm	Y	-	-	-	-	-	-	-	-	-	-
PKM22EPH-2001 Speakers & Transducers 17.0nF +/-30% Sound Component Murata Electronics	444	1: ¥11.288	RoHS Compliant	2 kHz	Speakers	Speakers & Transducers	PKM	75 dB	11 mm	22 mm	-	-	Piezoelectric	Solder Tab	-	720	-	- 20 C to + 70 C	-	25 V	-	-	-	Round	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKM33EPH1202C Speakers & Transducers 40.0nF +/-30% Sound Component PKM33EPH1202C BUZZER PIEZO Murata Electronics	1195	1: ¥22.063	RoHS Compliant	1.2 kHz	Speakers	Speakers & Transducers	PKM	68 dB	7.5 mm	33 mm	Bulk	Through Hole	Piezoelectric	Solder Pin	Piezo	60	30Vp-p	- 20 C to + 70 C	Circular - 33.00mm Dia x 8.00mm H	40 V	PC Pins	60	-	Round	-	-	-	-	-	-	-	-	-	peak-peak Signal	40V (Max)	Continuous	Transducer, Externally Driven	-	-	No	-	End of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.	60	60	-	40000pF @ 120Hz	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4 PKM33EPH1201C Speakers & Transducers 1.2KHz External Drv Pin Type PKM33EPH1201C BUZZER PIEZO 40VP-P 1.2KHZ PC Murata Electronics	180	1: ¥19.72	RoHS Compliant	1.2 kHz	Speakers	Speakers & Transducers	PKM	68 dB	7.5 mm	33 mm	Bulk	Through Hole	Piezoelectric	Solder Pin	Piezo	300	30Vp-p	- 20 C to + 70 C	Circular - 33.00mm Dia x 8.00mm H	40 V	PC Pins	600	-	Round	-	-	-	-	490-4687	-	-	-	-	peak-peak Signal	40V (Max)	Continuous	Transducer, Externally Driven	-	-	No	-	End of Life: Scheduled for obsolescence and will be discontinued by the manufacturer.	300	300	-	40000pF @ 120Hz	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
7BB-35-3CL0 Audio Indicators & Alerts 26.0nF +/-30% 2.8kHz +/-0.5%kHz 7BB 2,8KHz 35MM DISC 50mmLEADS Murata Electronics	97	1: ¥18.292	RoHS Compliant	2.8 kHz +/- 0.5 kHz	Piezoelectric Diaphragms	Audio Indicators & Alerts	7BB	-	0.3 mm	35 mm	Bulk	Flush	BUZZER	Through Hole	PIEZO	-	-	-	0.3 mm H	-	-	-	-	-	-	35mm	NO	-	-	-	-	NO	RoHS-conform	-	-	-	-	-	NOy/n	-	-20°C	-	400	400	-	-	-	-	200Ohm	-	-	SIGM2,8KO	12 weeks	-	-	50mm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKB24SPH3800 Audio Indicators & Alerts 90DB 3.60KHZ 24.0MM ALARM(R) PKB24 3,8KHZ 24MM THT Murata Electronics	456	1: ¥35.972	RoHS Compliant	3.8kHz	-	Audio Indicators & Alerts	PKB	90 dB	17.5mm	30.3 mm	Bulk	Flush	BUZZER	Pin	PIEZO	-	-	-	-	-	-	-	-	-	-	24mm	YES	-	-	-	-	NO	RoHS-conform	-	-	-	-	-	YESy/n	-	-20°C	-	90	90	-	-	13mA	-	-	-	-	SIGP3,8KM	14 weeks	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	15mm	Buzzer	-
3 PKLCS1212E24A0-R1 Speakers & Transducers Piezo 12X12mm 2.4 KHz Sounder PIEZOELECTRIC SOUNDER SMD Murata Power Solutions -12.5 → +12.5 V dc 75dB 表面贴装发声器音调外部驱动电子发声器, 最大为 2.4 kHz PKLCS 2,4kHz 12MM SMD -40/85°C Murata Electronics	45	1: ¥17.1196	RoHS Compliant	2.4 kHz	Speakers	-	PK	75 dB	3 mm	-	Reel	表面贴装	Piezoelectric	SMD/SMT	Piezo	-	1.5Vo-p	- 40 C to + 85 C	12 x 12 x 3mm	12.5 V	-	1,000	2400Hz	Square	-	12 mm	75dB	70 Days	490-5958-1	Audio Indicator and Alerts	-	NO	RoHS-conform	zero-peak Signal	1.5 ~ 12.5V	Continuous	Transducer, Externally Driven	-	YES y/n	No	-40 °C	-	-	-	-	-	-	12mm	-	12 mm	12.5V 直流	-	-	-	-	-	-	28nF	外部	12 mm	Y	-	-	-	-	-	-	-	-	-	发声器
PKM17EPPH40S1-B0 Speakers & Transducers 72DB 4.00KHZ 17.0MM ALARM(R) Audio Sounder Piezo 3Vp-p Pin Through Hole Murata Electronics	1166	1: ¥7.82	RoHS Compliant	4 kHz	Speakers	Speakers & Transducers	PKM	72 dB	7 mm	17 mm	Bulk	Through Hole	Piezoelectric	Solder Pin	Piezo	-	3Vp-p	- 20 C to + 70 C	-	25 V	Pin	-	4000(Typ)	Round	External Drive	-	-	-	-	-	Compliant	-	-	-	-	-	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKM22EPPH4005-B0 Speakers & Transducers 12.0nF +/-30% Sound Component Audio Sounder Piezo 3Vp-p Pin Through Hole Murata Electronics	311	1: ¥9.452	RoHS Compliant	4 kHz	Speakers	Speakers & Transducers	PKM	75 dB	8.2 mm	22 mm	Bulk	Through Hole	Piezoelectric	Solder Pin	Piezo	-	3Vp-p	- 20 C to + 70 C	-	30 V	Pin	-	4000(Typ)	Round	External Drive	-	-	-	-	-	Compliant	-	-	-	-	-	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKM30SPTH2001-B0 Audio Indicators & Alerts 2.0kHz +/-0.3kHz 20v Sound Component Murata Electronics	268	1: ¥19.176	RoHS Compliant	2000 Hz	Piezoelectric	Audio Indicators & Alerts	-	75 dB	-	-	Bulk	Flush	-	Solder	-	-	20 V	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	20 mA	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKM17EWH-4000 Speakers & Transducers BUZZER Murata Electronics	2086	1: ¥8.432	RoHS Compliant	4 kHz	Speakers	Speakers & Transducers	PKM	75 dB	4 mm	17 mm	-	-	Piezoelectric	Lead Terminal	-	500	-	- 20 C to + 70 C	-	25 V	-	-	-	Round	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKM17EWH-2001 Speakers & Transducers 40.0nF +/-30% Sound Component Murata Electronics	274	1: ¥17.68	RoHS Compliant	2 kHz	Speakers	Speakers & Transducers	PKB	72 dB	7 mm	16.8 mm	-	-	Piezoelectric	Lead Terminal	-	250	-	- 20 C to + 70 C	-	7 V	-	-	-	Round	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
MA40E7S Audio Indicators & Alerts SENSOR Murata Electronics	-		RoHS Compliant By Exemption	4000 Hz	Ultrasonic Sensors	Audio Indicators & Alerts	MA40	106 dB	-	18 mm	Reel	Flush	-	-	-	90	100 V	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKB24SW-3301 Audio Indicators & Alerts 3.3kHz 0.5%kHz 12v Buzzer Murata Electronics	-		RoHS Compliant By Exemption	3300 kHz	Piezoelectric	Audio Indicators & Alerts	PKB	80 dB	-	24 mm	-	Panel	-	-	-	2000	20 VDC	-	24.3 mm L	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Obsolete	-	-	-	-	-	-	-	24.3 mm	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
PKB24SPCH-3601-B0 Audio Indicators & Alerts PIN 24mm 3.6kHz Audio Buzzer Piezo 12VDC 16mA Pin 3VDC 3100Hz to 4100Hz Through Hole Murata Electronics	1396	1: ¥10.812	RoHS Compliant By Exemption	3600 kHz	Piezoelectric	Audio Indicators & Alerts	PKB	90 dB	-	30.3 mm	Bulk	Flush	-	-	-	650	15 VDC	-	24.3 mm L	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Obsolete	-	-	-	-	-	-	-	24.3 mm	-	-	-	-	-	-	Compliant	-	-	-	-	-	-	-	-	-	-	-	-	-	-