254-MB557 Kobitone, 254-MB557 Datasheet
![no-image](/images/no-image-200.jpg)
254-MB557
Manufacturer Part Number
254-MB557
Description
Audio Indicators & Alerts MAGNETIC TRANSDUCER
Manufacturer
Kobitone
Series
254r
Datasheet
1.254-MB557.pdf
(1 pages)
Specifications of 254-MB557
Sound Pressure Level
85 dB
Voltage Rating
1 VDC to 2 VDC
Termination Style
PCB
Diameter
12 mm
Resonant Frequency
2400 Hz
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available from Mouser Electronics
Part Number:
254-MB557
Electrical Specifications:
• Rated Voltage: 12VDC
• Resonant Frequency: 2400±150Hz
• Sound Pressure Level at 10cm: 85dB min.[applying rated voltage
• Rated Current: 40mA max. [applying rated voltage
• Coil Resistance: 140±14Ω
• Operating Voltage: 7~16V
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
(resonant frequency, 1/2 duty, square wave)]
(resonant frequency, 1/2 duty, square wave)]
Sound Emission Hole
ø2.20 (ø.086)
110
100
90
80
70
60
100
Masking
Frequency Response, Magn dB re 20.00µPa
Label
Test Condition: 10cm / Standard Driving Circuit
(ø.472±.008)
Magnetic Transducer
ø12±.20
200
500
(.354±.008)
9±.20
www.mouser.com
1k
(.157)
(.216)
5.50
4
(ø.024±.004)
2- ø.60±.10
2k
Mechancial Specifications:
• Operating Temperature: -20°C ~ +70°C
• Storage Temperature: -30°C ~ +80°C
Materials:
• Housing: NORYL
• Weight: 2g
Hz
(.256±.008)
6.50±.20
5k
Dimensions: mm (
10k
(800) 346-6873
Epoxy
Date:
KT-400152
3/6/06
In.)