KLJ-9025-3627 Overview
Description
DATE CUSTOMER APPROVED ：SMD BUZZER ：KLJ-9025-3627 ： ：2013.09.18 ： Approved By Checked By Made By ： 1-1301 ：+86-0519-88671999-801 ：13656128000 E-Mail:866@ Http:// KLJ-9025-3627 1﹒ DATE:2013.09.18 VER .:0 2731 2.5 ~4.5 Rated Voltage (Vp-p) Current Consumption (mA/max.) Sound Pressure Level (dB/min.) Coil Resistance (Ω) Operating Temperature (℃) Storage Temperature (℃) PS：Vp-p＝1/2duty , square wave 3.6 100 at Rated Voltage 85 at 10cm at Rated Voltage 16 ±3 -30 ~ +70 -40 ~ +85 2﹒Typical Frequency Response Curve 3﹒Dimensions and Material 3-1 Shape SOUND PORT +POLARITY + +POLARITY Unit : mm 3-2 Material Housing Leading Pin Weight (Gram) LCP plastic resin (Color : Black) Tin Plated Brass 0.8 4﹒Recommend Driving Circuit Tol:±0.3 The base current Ib should high enough so that it saturates the collector current of the transistor with the CB load. TESTING METHOD ．Standard Measurement conditions Temperature:25±2℃ Humidity:45-60% ．Acoustic Characteristics The oscillation frequency, current consumption and sound pressure are measured by the measuring instruments shown below.
