Mallory Sonalert Products Inc. Part # AST1109MLTRQ Sales Outline Drawing Revision B Specifications: Oscillation Frequency (Hz) 4100 ± 500 Operating Voltage (Vp-p) 1 ~ 20 Rated Voltage (Vp-p) 5.0 Current Consumption Max. (mA) 1.0 at Rated Voltage Sound Pressure Level (dB/min) 73 at 10cm at Rated Voltage Capacitance (pF) 12000 ± 30% at 100 Hz Operating Temperature (°C) -20 ~ +70 Storage Temperature (°C) -30 ~ +80 Type of Connection Terminal SMD Housing LCP plastic resin (Color : Black) Weight (Grams) 0.25 Condition by reflow soldering (°C) 245 ± 5 / 1 min Condition by hand soldering (°C) 350 ± 20 / within 5 sec Options For other options contact factory Dimensions: (units: mm) ROHS Compliant Packaging: Parts are supplied on reels (1000 pcs per tape and reel). Units do not come with wash label and are not appropriate for aqueous wash. 4411 South High School Road, Indianapolis, Indiana 46241 USA ● Phone (317) 612-1000 ● Fax (317) 612-1010 ● http://www.mallory-sonalert.com

AST1109MLQ & AST1109MLTRQ Direct Drive Transducer Operation: Direct drive transducer devices do not have any included DC circuitry, so the user must apply a sine or square wave with the appropriate rated frequency. A square wave will typically result in more sound level than a sine wave. The higher the peak-to-peak voltage applied (up to the maximum rated voltage), the higher the resulting sound level. Frequency Response: