GT-1204A

Specifications GT MAGNETIC BUZZER Acoustic Product Specification Item Unit Specification Condition Rated Voltage Vo-p 3.0 Vo-p Operating Voltage Vo-p 2.0 ~ 4.0 Mean Current mA 90 Max. Coil Resistance Ω 15±2 Sound Output dB 85 Rated Frequency Hz 2000 Operating Temp ℃ -20 ~ +60 Storage Temp ℃ -30 ~ +70 Dimension mm φ 12.0×H4.0 Weight gram 1.5 At rated voltage, 2000Hz square wave, ½ duty At 5cm(A-weight free air), at rated voltage 2000Hz, square wave, ½ duty Product Number: GT-1204A Material PPO (Black) Terminal PIN Type (Plating Au) Environmental Protection Regulation RoHS Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. See attached drawing See attached drawing Test Condition Temperature: 25±2 ℃ Related humidity: 65±5% Air pressure: 86-106KPa Mechanical Characteristics Page 1 Specifications 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. No interference in operation. Soldering Heat Resistance The product follows the reflow temperature curve to test its reflow thermal stability. 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 3 axes (X,Y,Z). 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). 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. Mechanical Characteristics Page 2 Environment Test Reliability Test Page 3 Recommended Wave Soldering Profile Measurement Test Circuit Inspection Fixture Page 4 Typical Frequency Response Curve Page 5 Dimensions Page 6 Packing 1 www.soberton.com Environment Test Item Test condition Evaluation standard High Temp. Test GT MAGNETIC BUZZER 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 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: Product Number: GT-1204A Release | Revision: D/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 Wave Soldering Profile Measurement Test Circuit Inspection Fixture Page 4 Typical 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 96 hours of continuous operation at +25±10℃. 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 +60℃ at 3.0V, 2000Hz applied. Low Temperature The part shall be subjected to 72 hours of continuous operation at -20℃ at 3.0V, 2000Hz applied. Standard test condition: a) Temperature: +5~+35℃ b) Humidity: 45~85% c) Pressure: 86~106KPa 2 www.soberton.com Recommended Temperature Profile for Reflow Oven Recommendable wave soldering condition is as follows: Note 1: It is requested that reflow soldering should be executed after heat of product goes down to normal temperature. Note 2: Peak wave temperature of 235˚C maximum of 10 seconds. GT MAGNETIC BUZZER Acoustic Product Specification Product Number: GT-1204A Measurement Test Circuit Release | Revision: D/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: 3.0 Vo-p, square wave, ½ duty, 2000Hz Reliability Test Page 3 Recommended Wave Soldering Profile Measurement Test Circuit Inspection Fixture Page 4 Typical Frequency Response Curve Page 5 Dimensions Page 6 Packing Mic: RION S.P.L meter UC30 or equivalent S.G: Hewlett Packard 33120A Function Generator or equivalent 3 www.soberton.com Typical Frequency Response Curve GT MAGNETIC BUZZER Acoustic Product Specification Product Number: GT-1204A Release | Revision: D/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 Wave Soldering Profile Measurement Test Circuit Inspection Fixture Page 4 Typical Frequency Response Curve Page 5 Dimensions Page 6 Packing www.soberton.com Dimensions Tolerance: ±0.5 (unit: mm) GT MAGNETIC BUZZER Acoustic Product Specification Product Number: GT-1204A Release | Revision: D/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 Wave Soldering Profile Measurement Test Circuit No. Part Name Material Quantity 1 Case PPO 1 2 Diaphragm Ferrum 1 3 Magnet Poly + Ferrite 1 4 Coil Copper 1 5 Frame Ferrum 1 6 PCB Epoxy Glass Fiber Cloth + Copper 1 7 PIN Copper 2 Inspection Fixture Page 4 Typical Frequency Response Curve Page 5 Dimensions Page 6 Packing 5 www.soberton.com Packing GT MAGNETIC BUZZER Acoustic Product Specification Product Number: GT-1204A Release | Revision: D/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 Wave Soldering Profile Measurement Test Circuit Inspection Fixture Page 4 Typical Frequency Response Curve Page 5 Dimensions Page 6 Packing 6 www.soberton.com