Andhra Electronics Limited manufactures high stability, low ageing crystals from 1 MHz to 170 MHz. All crystals are manufactured in a class 1000 clean room environment. Most crystals can be delivered in 7 days.

Model	Weld Type	Frequency Range	Features	Data Sheet
HC-49/U HC-49/T HC-50/U HC-42/U HC-43/U	Resistance Weld Resistance Weld Resistance Weld Cold Weld Cold Weld	1.8432 MHz to 41 MHz (Fund) 20 MHz to 150 MHz (Overtone)	High Stability, less than 2 ppm/year aging. High Stability, less than 1 ppm/year aging.
HC-49/U 3 lead	Resistance Weld	3 MHz to 41 MHz (Fund) 20 MHz to 150 MHz (Overtone)	High Stability, less than 2 ppm/year aging.
HC-49 U Gull Wing	Resistance Weld	1.8432 MHz to 41 MHz (Fund) 20 MHz to 150 MHz (Overtone)	High Stability, less than 2 ppm/year aging.
HC-51/U HC-48/U HC-47/U HC-36/U	Resistance Weld Resistance Weld Cold Weld Cold Weld	1 MHz to 37 MHz (Fund) 20 MHz to 150 MHz (Overtone)	High Stability, less than 2 ppm/year aging. High Stability, less than 1 ppm/year aging.
HC-51/U SMD	Resistance Weld	1 MHz to 37 MHz (Fund) 20 MHz to 150 MHz (Overtone)	High Stability, less than 2 ppm/year aging.
TO-5	Cold Weld	4 MHz to 40 MHz (Fund) 20 MHz to 125 MHz (Overtone)	High Stability, less than 1 ppm/year aging.
UM-1 UM-1 Slim UM-1 Cold Weld UM-1 3lead	Resistance Weld Resistance Weld Cold Weld Resistance Weld	7.5 MHz to 41 MHz (Fund) 20 MHz to 170 MHz (Overtone)	High Stability, less than 2 ppm/year aging.
UM-5	Resistance Weld	14 MHz to 37 MHz (Fund) 45 MHz to 120 MHz (Overtone)	High Stability, less than 2 ppm/year aging.
UM-1 SMD Gull Wing	Resistance Weld	7.5 MHz to 40 MHz (Fund) 30 MHz to 150 MHz (Overtone)	Metal Jacket, 2 ppm/year
Unpackaged	Monitor Crystals	4 MHz to 10 MHz	Chrome / Gold Plating
HC49U/S  HC49U/S-SMD	Resistance Weld	3 MHz to 75 MHz	10 ppm, 20ppm, 30 ppm
CRYSTAL-SMD AE 3225	Resistance Weld	10 MHz to 50 MHz	10 ppm, 15ppm, 20 ppm
CRYSTAL-SMD AE 4025	Resistance Weld	12 MHz to 26 MHz	10 ppm, 15ppm, 20 ppm
CRYSTAL-SMD AE 5032	Resistance Weld	10 MHz to 40 MHz	10 ppm, 15ppm, 20 ppm
CRYSTAL-SMD AE 6035	Resistance Weld	10 MHz to 80 MHz	10 ppm, 15ppm, 20 ppm
CRYSTAL-SMD AE 7050	Resistance Weld	10 MHz to 80 MHz	5ppm,10 ppm, 15ppm, 20 ppm
Copyright © Andhra Electronics Ltd. Jan- 2006