KBT-33SB-2T-2

No. EQM08-4KC-D3BX720E PRELIMINALY Messrs : APPROVAL SHEET (KYOCERA CORPORATION PIEZO BUZZER SPECIFICATION) (RoHS Compliant Product) APPROVED (Please signs here and send copy back to us.) Kindly send us back a copy of this specification sheet with your signature. The specifications shall be regarded as “APPROVED” unless we received your disagreement or Counterproposal before your placement of initial order for the part number specified. Part No. KBT-33SB-2T-2 Date Mar. 10. 2008 KYOCERA CORPORATION No. EQM08-4KC-D3BX720E (1 / 3) Drawn by Checked by Checked by Approved by 1.SCOPE This specification shall cover the characteristics of the Piezoelectric Acoustic Generator for Buzzer, Ringer and etc. 2.KYOCERA PART No. :KBT-33SB-2T-2 3.ELECTRICAL CHARACTERISTICS ITEM SPEC 70 dB min at 1.0 to 1.5 Hz 20Vp-p S.Q.wave 30 cm 48,000 pF +/- 30% 3-1. Sound Pressure Level 3-2 Capacitance (Cd) 3-3. Input Voltage 3-4. Operating Temperature - 20deg. C to + 70deg.C 3-5. Storage Temperature - 30deg. C to + 80deg.C 3-6. Temperature Dependence 30 Vp-p max.. As shown in Table 1 at-20deg.C to +60deg.C Table 1. Capacitance Initial Value +/- 1.5 % / deg.C max. Initial Value at 20 deg.C 4.MEASUREMENT 4-1.Measurement Condition. The reference temperature shall be 25+/-2deg.C . The measurement shall be performed at the temperature range of 5deg.C to 35deg.C unless the result is doubtful. 4-2.Measurement Instrument. Capacitance. LCR Meter (Y.H.P.4261A) at 120 Hz. KYOCERA COPORATION No. EQM08-4KC-D3BX720E (2 / 3) 4-2-3:Sound Pressure Level (SPL) 30cm MIC P.A.G.E S.S.G F.C. S.L.M S.S.G. : Oscillator F.C. : Frequency Counter MIC : Microphone SLM : Sound Level Meter Input : 20Vp-p S.Q.wave 5.Appearance 5-1.Drawing φ33.0±0.3 12.5 6 1.5 Spporting Posts 30 35 5 Electrode Terminals 12.5 5 15 19 4-φ1.8 30 Holes for Terminals & Posts 1) Case : PBT 2) Unit : mm KYOCERA CORPORATION No. EQM08-4KC-D3BX720E (3 / 3) 6.ENVIRONMENTAL CHARACTERISTICS 6-1.Moisture Storage. Keep the element at the 40 +/- 2deg.C and 90 to 95%(R.H.) for 96 +/-5 hours. Then, release the element into the room conditions for 12hours prior to the measurement. It shall fulfill the specifications in Table 1. 6-2.High Temperature Storage. Subject the element to 70+/-5deg.C for 96+/-5 hours. Then, release the element into the room conditions for 12hours prior to the measurement. It shall fulfill the specifications in Table 1. 6-3.Low Temperature Storage. Subject the element to -30+/-5deg.C for 96+/-5 hours. Then, release the element into the room conditions for 12hours prior to the measurement. It shall fulfill the specifications in Table 1. 6-4.Temperature Cycle. Subject the element to a low temperature of – 30deg.C for 30minuts, followed by a high temperature of + 70deg.C for 30minuts. Cycling shall be repeated 5times with a transfer time of 15minuts max. at the room temperature. Then, release the element into the room conditions for 12hours prior to the measurement. It shall fulfill the specifications in Table 1. Table 1. Static Capacitance Initial Value +/- 15 % MAX Sound Pressure Level Initial Value +/- 10 dB MAX 7.Remark Not to be applied DC voltage. 8.The environment hazardous substance (RoHS Compliant Certificate) This product is compliant with the European RoHS material requirements. (Lead in this product is exempted from the RoHS requirement in the ANNEX.) KYOCERA CORPORATION