Customer No. : Attention Approval Date : Your Part No. ERP No. ERP SPECIFICATION Product Description Magnetic Buzzer Product Model ST-0503 Customer Approval Status Soberton File Publish Sign Dsg d : Chk d : Edition B App d : File Publish Sign File clerk 2016 .03. 08 Dsg d 2016 .03. 08 211 North First Street Chk d Minneapolis, MN. 55401 2016 .03. 08 App d 612-849-6205 Web-site: www.soberton.com Sales Kimberly Scheerer Part No ST-0503 Acoustics Product Specification Date 2016/03/08 Edition B 1 of 5 A. SCOPE This specification applies magnetic buzzer, B. SPECIFICATION No. Item Unit Specification Condition Oscillation Frequency Hz 4000 Vo-p=1/2duty , square wave 1 Operating Voltage Vo-p 2 ~ 4 2 3 Rated Voltage Vo-p 3 4 Current Consumption mA MAX.110 at Rated Voltage Sound Pressure Level dB MIN. 80 at 10cm at Rated Voltage 5 Coil Resistance 123 6 7 Operating Temperature -20 ~ +60 Storage Temperature -30 ~ +80 8 Dimension mm 5.0 x 5.0 x H3.0 See appearance drawing 9 10 Weight (MAX) gram 0.6 Housing Material LCP( Black ) 11 Leading Pin Tin Plated Brass(Sn) See appearance drawing 12 Environmental RoHS 13 Protection Regulation C. APPEARANCE DRAWING Tol : 0.3 Unit: mm SOUND PORT - INKJET PRINTING