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49U

THRU-HOLE CRYSTAL

FEATURES

High Precision availability
Wide Frequency Range
One day delivery
Applications: Telecommunication equipment,…

11.0 x 4.7 x 13.5 mm U-version
11.0 x 4.7 x 11.0 mm UT-version

49U

Item	Symbol	Specification
Frequency Range	Fo	1.8432 MHz ~ 200 MHz
Operation Mode		1.8432 MHz + Fundamental (see options) 20.0 MHz ~ 100.0 MHz 3rd-overtone (see options) 50.0 MHz ~ 160.0 MHz 5th-overtone (see options) 80.0 MHz ~ 200.0 MHz 7th-overtone (see options)
Operating temperature Range	To	0° to +70°C (see options)
Frequency Tolerance at 25°C	Δf/F	± 10ppm max. (see options)
Temperature Stability	Δf/F	± 10ppm max. (see options)
Load Capacitance (CL)	CL	series or 5 pF to 100 pF (see options)
Equivalent Series Resistance	ESR	Frequency dependent, please consult factory
Shunt Capacitance (Co)	Co	7pF Max
Insulation Resistance	Ri	500 MΩ min. (at 100Vdc)
Drive Level	DL	3 mW max.
Aging	Δf/F	±5ppm max (at 25°C, first year)
Packing Unit		Bulk in bag
		Customer specifications on request

OPTIONS & ORDERING INFORMATION

49U-	...........................	.......................	.........................	...........................	....................	.........................	......... MHz	- ..............	............
	Version	Freq. Tolerance	Freq. Stability*	Operating Temp.*	Load Capacitance	Mode	Frequency in MHz	ESR if custom required	3rd lead option
	blanc = 13.5 mm	05 = ±5 ppm	05 = ±5 ppm	D = -10° / +60°C	Please specify CL in pF or S for Series	F = Fundamental	Please specify the frequency in MHz	Specify a value in Ω	3L = 3th lead option
	T = 11.0 mm	10 = ±10 ppm	10 = ±10 ppm	E = 0° / +70°C		D = 3rd overtone
		15 = ±15 ppm	15 = ±15 ppm	F = -20° / +70°C		V = 5th overtone
		20 = ±20 ppm	20 = ±20 ppm	G = -30° / +75°C		Z = 7th overtone
		25 = ±25 ppm	25 = ±25 ppm	H = -30° / +85°C
		30 = ±30 ppm	30 = ±30 ppm	K = -40° / +85°C
		50 = ±50 ppm	50 = ±50 ppm

* Note: Not all combinations are possible, please consult us.

OUTLINE DIMENSIONS

49U-dimensions