SPECIFICATION FOR APPROVAL Customer： Description： Piezo Audio Transducer Sob erton Part No. ： PT-1707 Date：2010-12-08 Customer Model No. ： Date of Approval Authorization Signature 211 N. First Street Minneapolis, MN. 55401 612-849-6205 Http://www.sob erton.com E-mail： info@sob erton.com Approved Checked Issue Ryan Elroy Emily 10/12/08 10/12/08 10/12/08 Model No. SPECIFICATIONS PT-1707 1. ELECTRICAL AND ACOUSTICAL SPECIFICATION Item Unit Specifications Rated Voltage（Square Wave） Vp-p 5 1-2 Operating Voltage Vp-p 1-30 1-3 ＊Rated Current（Max） mA 1 1-4 ＊Min Sound Output at 4.0kHz/10cm dB 85 1-5 ＊Resonant Frequency Hz 4000±500 1-6 1-7 Capacitance at 120Hz Operating Temperature pF 15000±30% ℃ -20~+70 1-8 Storage Temperature ℃ -30~+80 1-9 1-10 1-11 Weight Housing Material Lead Pin Material g 1 Black Noryl 1-12 Tone Nature 1-1 Phosphor Bronze （DSn） Single ＊Value Applying at Rated Voltage（resonant frequency，1/2 duty，square wave） Page Issue No Description 2010/12/08 1/6 Emily Date Elroy Ryan Issue Check Approval SPECIFICATIONS Model No. PT-1707 2.ENVIRONMENTAL TEST Page Item 2-1 Storage in High temp. 2-2 Storage in Lower temp. 2-3 Storage in Humidity Storage in +80℃±2℃ test box for 240hours，then expose to the room temperature for 2 hours without applying power. Storage in -30℃±2℃ test box for 240hours，then expose to the room temperature for 2 hours without applying power. Storage in +40℃±2℃ 90-95%RH test box for 96 hours, then expose to the room temperature for 2 hours without applying power. +80℃ - 30℃ 2-4 +20℃ +20℃ Thermal cycle test. Make this test for 5 cycles without applying power, then expose to the room temperature for 2 hours. 2-5 Vibration test Make this test for the directions of X,Y, Z for 2 hours each (total 6 hours). 2-6 Drop test 2-7 Solderability Free drop a unit from the height 100cm to the surface of 10mm thick board ,three directions(X,Y,Z). test Soldering temp.:260±5℃ Heat applying time: 3±0.5sec. PASS CRITERION : After these tests , the change of S.P.L shall be within ±5 dB . Issue No Description 2/6 Specifications 2010/12/08 Emily Elroy Ryan Date Issue Check Approval SPECIFICATIONS Model No. PT-1307 3.MEASURING METHOD(BUZZER MODE) 3-1 .Test Condition 3-1-1.STANDARD Temperature : 25±3℃ Relative humidity : 60% ~ 70%, Atmospheric pressure : 860mbar to 1060mbar 3-1-2.JUDGEMENT Temperature : 15 ~ 35℃ Relative humidity : 45% ~ 85%, Atmospheric pressure : 860mbar to 1060mbar. 3-2 . Standard Test Fixture 1.rated Voltage(Square wave): 5V 2.Resonant Frequency:4000Hz Page Sound Level Metel 40cm ≥40cm 10cm Functi onal Si ngal Generator Issue No Description 3/6 2010/12/08 Emily Elroy Ryan Date Issue Check Approval Model No. SPECIFICATIONS PT-1707 4.DIMENSIONS Unless otherwise specified, tolerance:±0.5(unit: mm) 10 0.8 0.9 6.6 7 10 1）All parts must be meet to ROHS. 2）Wave solder allowed，wash not allowed. 154Page 3 Pin 2 Phosphor Bronze （DSn） 2 Piezo element 1 Copper / Nickel Part No. Part Name Q’TY Material Issue No Description Housing Cover 5/7 1 Remark 2010/12/08 Emily Elroy Ryan Date Issue Check Approval Black Noryl SPECIFICATIONS Model No. PT-1307 6. WAVE SOLDER CURVE Page ( ) * Wave Soldering profile of lead-free Temp.(° C) Max. 10 sec. 250° C 245° C 235° C 200K/s--130° C ---5K/s 100° C ---forced cooling 50°C 0 0 50 100 150 200 250 300 Time(sec) Recommendable wave soldering condition is as follows. Note 1: It is requested that wave soldering should be executed after heat of product goes down to normal temperature. Note 2: Peak wave temperature of 235° C ~ 250° C maximum of 10 sec. . Issue No Description 6/7 2010/12/08 Emily Elroy Ryan Date Issue Check Approval Model No. SPECIFICATIONS PT-1707 Page 6/6 7.PACKING Issue No Description 2010/12/08 Emily Elroy Ryan Date Issue Check Approval