ST-1411

Specifications ST 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 80 Max. Coil Resistance Ω 18 ±3 Sound Output dB 87 Rated Frequency Hz 3200 Operating Temp ℃ -30 ~ +80 Storage Temp ℃ -40 ~ +85 Dimension mm L14.0×W11.0 × H3 Weight gram 1.0 At rated voltage, 3200 Hz square wave, ½ duty At 10cm(A-weight free air), at rated voltage 3200Hz, square wave, ½ duty Product Number: ST-1411 Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Material LCP (Black) Terminal SMD type (Plating Sn) Environmental Protection Regulation RoHS See attached drawing See attached drawing Test Condition Temperature : +25±2 ℃ Relative Humidity: 65±5% Air Pressure: 86-106KPa Mechanical Characteristics Page 1 Specifications Item Test condition Evaluation standard Solderability Lead terminals are immersed in the solder bath at +250±5℃ for 3±1 seconds. Soldering Heat Resistance The product follows the reflow temperature curve to test its reflow thermal stability. 90% min. lead terminals shall be wet with solder No interference in operation. Terminal Mechanical Strength Lead pads shall be soldered on the pc board, and the force of 9.8N (1.0Kg) shall be applied to the part 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). 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 Temperature Profile Measurement Test Circuit Measurement Method 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 48 hours Low Temp. Test The part is placed in a chamber at -40℃ for 48 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 will 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: ST BUZZER Acoustic Product Specification Product Number: ST-1411 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 Temperature Profile Measurement Test Circuit Measurement Method 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 96 hours of continuous operation at +25˚C±10˚C. 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 +80˚C at 3.0V, 3200Hz applied. Low Temperature The part shall be subjected to 72 hours of continuous operation at -30˚C at 3.0V, 3200Hz 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 ST BUZZER 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 reflow temperature of 250˚C maximum of 10 seconds, with a maximum duration of 40-60 seconds between 220˚C and 250˚C Acoustic Product Specification Product Number: ST-1411 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 Measurement Method S.P.L Measuring Circuit Input Signal: 3.0 Vo-p, square wave, ½ duty, 3200Hz Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Measurement Method Page 4 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 Frequency Response Curve ST BUZZER Acoustic Product Specification Product Number: ST-1411 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 Temperature Profile Measurement Test Circuit Measurement Method Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing 4 www.soberton.com Dimensions Tolerance: ±0.3 (unit: mm) ST BUZZER Acoustic Product Specification Product Number: ST-1411 Release | Revision: D/2018 CONTENTS This document contains the technical specifications for the electromagnetic buzzer. Page 1 Specifications Mechanical Characteristics Page 2 Environment Test No. Part Name Material Quantity 1 Case LCP 1 2 Frame Ferrum 1 3 Coil Copper 1 4 Magnet Poly + Ferrite 1 5 Copper Collar Copper 1 6 Diaphragm Ferrum 1 7 Case LCP 1 Reliability Test Page 3 Recommended Temperature Profile Measurement Test Circuit Measurement Method Page 4 Frequency Response Curve Page 5 Dimensions Page 6 Packing 5 www.soberton.com Packing ST BUZZER Acoustic Product Specification Product Number: ST-1411 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 Temperature Profile Measurement Test Circuit Measurement Method Page 4 Frequency Response Curve Page 5 Dimensions Packing Job L x W x H (mm) Pieces Inner Box 330 x 330 x 30 1 x 750 = 750pcs Carton Box 370 x 350 x 350 10 x 750 = 7,500pcs Page 6 Packing 6 www.soberton.com