WT-1205

Specifications Item Unit Specification Condition Rated Voltage Vo-p 5.0 Vo-p Operating Voltage Vo-p 4.0 ~ 6.0 WT BUZZER Mean Current mA 50 Max Acoustic Product Specification Coil Resistance Ω 47 ±7 Sound Output dB 87 At 10cm at rated voltage Rated Frequency Hz 2400 Vo-p= ½ duty, square wave Operating Temp ℃ -20 ~ +70 Storage Temp ℃ -30 ~ +80 Dimension mm Ø12.0×H9.5 Weight gram 2.0 Product Number: WT-1205 Release | Revision: C/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Material PBT Terminal PIN Type (Plating Sn) Environmental Protection Regulation RoHS At rated voltage See attached drawing See attached drawing Test condition: Temperature: +25±2 ℃ Related humidity: 65±5% Air pressure: 86-106KPa Page 1 Specifications Mechanical Characteristics Mechanical Characteristics Item Test condition Evaluation standard Page 2 Environment Test Solderability Lead terminals are immersed in the solder bath at +250±5℃ for 3±1 seconds. 90% min. lead terminals shall be wet with solder. Soldering Heat Resistance The product follows the reflow temperature curve to test its reflow thermal stability. No interference in operation. Terminal Mechanical Strength The force of 9.8N is applied to each terminal in axial direction for 10 seconds. No damage and cutting off Vibration The part shall be subjected to a vibration cycle of 10Hz to 55Hz to 10Hz in a period of 1 minute. Total peak amplitude shall be 1.52mm(9.3G). The vibration test shall consist of 2 hours per axis in each three axes(X,Y,Z). A total 6 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. After the test, the part shall meet specifications without any damage in appearance and performance except SPL. The SPL should be in ±10dBA compared with initial one. Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Inspection Fixture Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing www.soberton.com 1 Environment Test Item Test condition Evaluation standard High Temp. Test The part is placed in a chamber at +80℃ for 96 hours. Low Temp. Test The part is placed in a chamber at -30℃ for 96 hours. Thermal Shock The part shall be subjected to 10 cycles. Each cycle shall consist of: After the test, the part shall meet specifications without any degradation in appearance and performance except SPL. After 4 hours at +25℃, the SPL should be in ±10dBA compared with initial one. Temp./Humidity Cycle The part shall be subjected to 10 cycles. One cycle shall be 24 hours and consist of: WT BUZZER Acoustic Product Specification Product Number: WT-1205 Release | Revision: C/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Inspection Fixture Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing Reliability Test Item Test condition Evaluation standard Operating Life Test Ordinary Temperature The part shall be subjected to 72 hours of continuous operation at +25˚C±10˚C, at 5.0V, 2400Hz applied.. After the test, the part shall meet specifications without any degradation in appearance and performance except SPL. After 4 hours at +25℃, the SPL should be in ±10dBA compared with initial one. High Temperature The part shall be subjected to 72 hours of continuous operation at +70℃ at 5.0 V, 2400Hz applied. Low Temperature The part shall be subjected to 72 hours of continuous operation at -20℃ at 5.0V, 2400Hz applied. Standard test condition: a) Temperature: +5~+35℃ b) Humidity: 45~85% c) Pressure: 86~106KPa 2 www.soberton.com Recommended Wave Soldering Temperature Curve WT BUZZER Acoustic Product Specification Product Number: WT-1205 Measurement Test Circuit Release | Revision: C/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Inspection Fixture S.P.L Measuring Circuit Input Signal: 5 Vo-p, square wave, ½ duty, 2400 Hz Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Inspection Fixture Page 4 Frequency Response Curve Page 5 Dimensions Mic: RION S.P.L meter UC30 or equivalent S.G: Hewlett Packard 33120A Function Generator or equivalent Page 6 Packing 3 www.soberton.com Typical Frequency Response Curve WT BUZZER Acoustic Product Specification Product Number: WT-1205 Release | Revision: C/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Inspection Fixture Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing www.soberton.com Dimensions Tolerance: ±0.5 (unit: mm) WT BUZZER Acoustic Product Specification Product Number: WT-1205 Release | Revision: C/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit No. Part Name Material Quantity 1 Cover PBT 1 2 Diaphragm Iron 1 3 Magnet Nylon + Iron 1 4 Coil Copper 1 5 Core Iron 1 6 PCB Epoxy Glass Fiber Cloth + Copper 1 7 PIN Copper 2 Inspection Fixture Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing 5 www.soberton.com Packing WT BUZZER Acoustic Product Specification Product Number: WT-1205 Release | Revision: C/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Inspection Fixture Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing 6 www.soberton.com