PT-1704

Specifications PT PIEZO AUDIO TRANSDUCER Acoustic Product Specification Product Number: PT-1704 Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the Piezo Audio Transducer. Page 1 Specifications Mechanical Characteristics Item Unit Specification Rated Voltage Vp-p 3.0 Operating Voltage Vp-p 20 Max Mean Current mA 3 Max. Capacitance at 30Hz pF 15000±30% Sound Output dB 75 Rated Frequency Hz 4000±500 Operating Temp ℃ -20 ~ +60 Storage Temp ℃ -30 ~ +70 Dimension mm Ø17.0xH4.0 Weight gram 0.8 Material PPO(Black) Terminal Wire Type (Plating Sn) Environmental Protection Regulation RoHS www.soberton.com See attached drawing. Wire 85mm (UL1571 / AWG32#) Mechanical Characteristics Item Test Condition Evaluation Standard Solderability Lead terminals are immersed in rosin for 5 seconds and then immersed in the solder bath at +250±5℃ for 3±1 seconds. 90% min. lead terminals shall be wet with solder. (Except the edge of terminal) Soldering Heat Resistance Lead terminals are immersed in the soldering bath at +250±5℃ for 3±1 seconds. No interference in operation. Terminal Mechanical Strength The pull force shall be applied to double lead wire: Horizontal 3.0N(0.306kg) for 30 seconds. Vertical 2.0N(0.204kg) for 30 seconds. No damage and cutting off. Vibration The buzzer shall be measured after a vibration of amplitude of 1.5mm with 10Hz to 55Hz band of vibration frequency is applied to each of 3 perpendicular directions for 2 hours. Drop Test The part is dropped from a height of 75cm onto a 40mm thick wooden board 3 times in 3 axes (X,Y,Z). A total of 9 times. The value of oscillation frequency current consumption should be in ±10% compared with initial ones. The SPL should be in ±10dB compared with initial one. Page 4 Dimensions Page 5 Packing At 10cm at rated voltage. Temperature: +25±2℃ Related Humidity: 65±5% Air Pressure: 86-106KPa Page 3 Inspection Fixture Frequency Response At rated voltage Test condition: Page 2 Environment Test Reliability Test Condition 1 Environment Test Item Test Condition Evaluation Standard High Temp. Test PT PIEZO AUDIO TRANSDUCER The part is placed in a chamber at +70℃ for 96 hours. Low Temp. Test The part is placed in a chamber at -30℃ for 96 hours. Acoustic Product Specification Humidity Test The part is placed in a chamber at +70℃, and 90±5% relative humidity for 96 hours. After the test, the part shall meet specifications without any degradation in appearance and performance except SPL. After 4 hours at +25℃ ±2˚C, the SPL should be in ±10dBA compared with initial one. Temp/Humidity Cycle The part shall be subjected to 5 cycles, Each cycle shall consist of: Product Number: PT-1704 Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the Piezo Audio Transducer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Reliability Test Reliability Test Item Test Condition Evaluation Standard Operating Life Test 1. Continuous Life Test 48 hours of continuous operation at +60℃ with the maximum rated voltage applied. After the test, the part shall meet specifications without any degradation in appearance and performance except SPL. After 4 hours at +25℃ ±2˚C, the SPL should be in ±10dBA compared with initial one. 2. Intermittent Life Test A duty cycle of 1 minute on, 1 minute off, a minimum of 1000 times at +25±2℃ and the maximum rated voltage applied. Page 3 Inspection Fixture Frequency Response Page 4 Dimensions Page 5 Packing Standard Test Condition: a) Temperature: +5~+35℃ b) Humidity: 45~85% c) Pressure: 86~106KPa 2 www.soberton.com Inspection Fixture S.P.L Measuring Circuit PT PIEZO AUDIO TRANSDUCER Input Signal: 3.0 Vp-p , square wave , 4000Hz MIC: S.P.L meter TES1351B or equivalent S.G: Hewlett Packard 33120A Function Generator or equivalent Acoustic Product Specification Product Number: PT-1704 Frequency Response Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the Piezo Audio Transducer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Reliability Test Page 3 Inspection Fixture Frequency Response Page 4 Dimensions Page 5 Packing 3 www.soberton.com Dimensions Tolerance: ±0.5 (unit: mm) PT PIEZO AUDIO TRANSDUCER Black Red Acoustic Product Specification Product Number: PT-1704 Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the Piezo Audio Transducer. Page 1 Specifications Mechanical Characteristics No. Part Name Material Quantity Page 2 Environment Test 1 Case PPO 1 2 Case PPO 1 3 Piezo Copper + Ceramics 1 4 Wire (85mm) UL 1571 / AWG32# (30V ø0.5mm) 2 Reliability Test Page 3 Inspection Fixture Frequency Response Page 4 Dimensions Page 5 Packing 4 www.soberton.com Packing PT PIEZO AUDIO TRANSDUCER Acoustic Product Specification Product Number: PT-1704 Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the Piezo Audio Transducer. Packing Box L x W x H (mm) Quantity (pcs) Page 1 Specifications Plastic Bag 170 x 120 x 0.1 200 Mechanical Characteristics Out Box 210 x 190 x 100 1,000 Page 2 Environment Test Carton 440 x 400 x 310 12,000 Reliability Test Page 3 Inspection Fixture Frequency Response Page 4 Dimensions Page 5 Packing 5 www.soberton.com