Mallory Sonalert Products Inc. Sales Outline Drawing Part # AST1750MATRQ Revision C Specifications: Oscillation Frequency (Hz) Operating Voltage (Vp-p) Rated Voltage (Vp-p) Current Consumption Max. (mA) Sound Pressure Level (dB/min) Capacitance (pF) Operating Temperature (C) Storage Temperature (C) Type of Connection Terminal Housing Weight (Grams) Condition by reflow soldering (C) Condition by hand soldering (C) Options Dimensions: (units: mm) 4000 500 1 ~ 20 5.0 2.5 at Rated Voltage 80 at 10cm at Rated Voltage 15,000 30% at 120 Hz -30 ~ +70 -40 ~ +80 SMD PPS plastic resin (Color : Black) 2.0 245 5 / 1 min 350 20 / within 5 sec For other options contact factory ROHS Compliant Packaging: Parts are supplied on reels (400 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 AST1750MAQ & AST1750MATRQ 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: