Panasonic Corporation- 音频换能器

松下集团（Panasonic Corporation）成立于1918年，总部位于日本大阪府门真市，是全球领先的电子和工业产品制造商。其电子元器件业务由松下电器产业株式会社负责，提供包括电容器、电阻器、电感器和电路保护器件在内的丰富产品线。松下以其MLCC（片式多层陶瓷电容器）技术闻名，产品广泛应用于汽车、工业和消费电子领域。在半导体方面，松下工业设备解决方案事业部提供功率MOSFET、IGBT和晶闸管等功率半导体，致力于高效能源利用。公司的传感器阵容包括Grid-EYE红外阵列传感器和NaPiOn系列PIR传感器，是楼宇自动化和物联网的重要组件。松下还生产多种继电器、连接器和开关，其品牌产品以高可靠性满足严苛环境下的连接需求。此外，松下开发了MN101和MN103系列等微控制器（MCU），常与自家的电源管理IC配合使用。作为主要的电子元器件供应商，松下在全球被动元件市场中位列前十，尤其在MLCC和电解电容器领域占有重要份额。针对汽车电气化趋势，松下的元器件在电池管理系统、逆变器控制和ADAS模块中发挥着关键作用。凭借强大的研发实力和悠久历史，松下持续在小型化和高温运行方向上推动下一代电子元器件的创新。

音频换能器 - 型号列表

共 45 个型号

制造商零件编号	库存	价格	包装方式	安装类型	标准包装数量	频率	输入类型	工作模式	额定电压	驱动电路	声压级 (SPL)	端接方式	尺寸/外形	可清洗	技术	工作温度	电压范围	电容 @ 频率	工厂包装数量
EB2122-81 Audio Indicators & Alerts ELECTRONIC BUZZER Panasonic Electric Works	148	1: ¥42.50	Bulk	Flush	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1
EB2134-8 Audio Indicators & Alerts ELECTRONIC BUZZER Panasonic Electric Works	148	1: ¥42.50	Bulk	Flush	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1
EB2122-8 Audio Indicators & Alerts ELECTRONIC BUZZER Panasonic Electric Works	148	1: ¥42.50	Bulk	Flush	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1
EB2134-81 Audio Indicators & Alerts ELECTRONIC BUZZER Panasonic Electric Works	148	1: ¥42.50	Bulk	Flush	-	-	-	-	-	-	-	-	-	-	-	-	-	-	10
3 EFB-AA14D001 15VPP 74DB 2 TERM CERAM BUZZER Panasonic Electronic Components	494	1: ¥22.644	Bulk	Through Hole	1,000	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	74dB @ 15V, 10cm	PC Pins	Circular - 14.30mm Dia x 7.00mm H	No	Piezo	-10°C ~ 60°C	25V (Max)	8500pF @ 1kHz	-
3 EAF-12RF04C AUDIO TRANDUCER 12X8.5MM-STR PIN Panasonic Electronic Components	95	1: ¥24.344	Bulk	Through Hole	1,000	2.048kHz	zero-peak Signal	Continuous	1.5Vo-p	Transducer, Externally Driven	86dB @ 1.5V, 100cm	PC Pins	Circular - 12.00mm Dia x 8.50mm H	No	Magnetic	-	-	-	-
EFB-RD24C411 ELECTRONIC BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	200	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	85dB @ 15V, 10cm	PC Pins	Circular - 24.00mm Dia x 8.00mm H	No	Piezo	-10°C ~ 60°C	30V (Max)	10000pF @ 1kHz	-
EFB-RL20C102 12VDC 85DB 3-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	1,000	2kHz	DC	Continuous	12VDC	Transducer, Externally Driven	85dB @ 12V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 30.00mm Dia x 12.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-
2 EFB-RM38C123 10VDC 93DB 3-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	1,000	3.5kHz	DC	Continuous	10VDC	Transducer, Externally Driven	90dB @ 10V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 24.00mm Dia x 11.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-
EFB-RD24C41B 15VPP 85DB 2-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	200	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	85dB @ 15V, 10cm	PC Pins	Circular - 24.00mm Dia x 9.00mm H	No	Piezo	-10°C ~ 60°C	30V (Max)	10000pF @ 4kHz	-
EFB-RD22C415 15VPP 98DB 2-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	200	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	98dB @ 15V, 10cm	PC Pins	Circular - 22.00mm Dia x 6.50mm H	No	Piezo	-10°C ~ 60°C	30V (Max)	15000pF @ 1kHz	-
EFB-RD22C413 15VPP 80DB 2 TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	1,000	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	80dB @ 15V, 10cm	PC Pins	Circular - 22.00mm Dia x 6.50mm H	No	Piezo	-10°C ~ 60°C	30V (Max)	15000pF @ 1kHz	-
EFB-RD22C41 15VPP 85DB 2 TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	200	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	85dB @ 15V, 10cm	PC Pins	Circular - 22.00mm Dia x 9.50mm H	No	Piezo	-10°C ~ 60°C	30V (Max)	15000pF @ 1kHz	-
EFB-AA40D102 15VPP 86DB 2 TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	1,000	4kHz	peak-peak Signal	Continuous	15Vp-p	Transducer, Externally Driven	86dB @ 15V, 10cm	PC Pins	Circular - 17.00mm Dia x 8.00mm H	No	Piezo	-10°C ~ 60°C	25V (Max)	7000pF @ 1kHz	-
EFB-RM38C13 10VDC 96DB 3-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	100	3.5kHz	DC	Continuous	10VDC	Transducer, Externally Driven	90dB @ 10V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 24.00mm Dia x 11.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-
EFB-RC24C41 15VPP 80DB 2-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Chassis Mount	100	4kHz	peak-peak Signal	Continuous	3Vp-p	Transducer, Externally Driven	75dB @ 3V, 10cm	Wire Leads	Circular - 24.00mm Dia x 4.50mm H	No	Piezo	-10°C ~ 60°C	30V (Max)	12000pF @ 4kHz	-
EFB-RL28C11 12VDC 104DB 3-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	100	2.8kHz	DC	Continuous	12VDC	Transducer, Externally Driven	98dB @ 12V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 30.00mm Dia x 12.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-
4 EFB-RL37C20 12VDC 106DB 3-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	200	3.9kHz	DC	Continuous	12VDC	Transducer, Externally Driven	100dB @ 12V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 30.00mm Dia x 10.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-
EFB-RL37C22 12VDC 106DB 3-TERM CERAM BUZZER Panasonic Electronic Components	-		Bulk	Through Hole	1,000	3.7kHz	DC	Continuous	12VDC	Transducer, Externally Driven	80dB @ 12V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 30.00mm Dia x 10.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-
4 EFB-BD32B21 BUZZER 12VDC 106DB 3-TERM CERAM Panasonic Electronic Components	-		Bulk	Through Hole	1,000	3.2kHz	DC	Continuous	12VDC	Transducer, Externally Driven	106dB @ 12V, 10cm	Quick Connect Tab - 0.079" (2.00mm)	Circular - 39.00mm Dia x 16.00mm H	No	Piezo (with Feedback)	-10°C ~ 60°C	-	-	-