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BD131 NPN TO126 45V 3A 60MHz
Black ABS Plastic Box with Screw-down lid. 75 x 50 x 25mm
Miniature Push to Make, Release to Break Switch
125VAC 500mA, With 2 Solder Tags.
Dimensions 27.5mm long, 9.7mm diameter. 7mm nut.
Ultrasonic Transducer - Transmitter at 25KHz. Sends piercing sound omindirectionally. Cannot be heard by normal human ears, but sends frightening sound to horses, cats, dogs, mice, rats, birds etc etc. 25KHz presents a lower frequency sound than conventional 40KHz transducers and is more effective in animal and pest control.
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PNP TO126 45V 3A 60MHz