HC-49/U Crystals

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of 633

Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Frequency	Frequency Stability	Frequency Tolerance	Load Capacitance	ESR (Equivalent Series Resistance)	Operating Mode	Operating Temperature	Ratings	Mounting Type	Package / Case	Size / Dimension	Height - Seated (Max)
MP040 CRYSTAL 4.0000MHZ 20PF TH CTS-Frequency Controls	7,375 In Stock	1 : £0.66000 Bulk	MP	Bulk	Active	MHz Crystal	4 MHz	±50ppm	±30ppm	20pF	100 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)
ECS-10-13-1H CRYSTAL 1.0000MHZ 13PF TH ECS Inc.	481 In Stock	1 : £8.22000 Bulk	HC-49U(H)	Bulk	Not For New Designs	MHz Crystal	1 MHz	±100ppm	±100ppm	13pF	3 kOhms	Fundamental	0°C ~ 60°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-10-13-1XH CRYSTAL 1.0000MHZ 13PF TH ECS Inc.	343 In Stock	1 : £8.34000 Bulk	HC-49UX(H)	Bulk	Active	MHz Crystal	1 MHz	±100ppm	±100ppm	13pF	3 kOhms	Fundamental	0°C ~ 60°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-73-20-1X CRYSTAL 7.3728MHZ 20PF TH ECS Inc.	26,121 In Stock	1 : £0.38000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	7.3728 MHz	±50ppm	±30ppm	20pF	40 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-32-17-1X CRYSTAL 3.2768MHZ 17PF TH ECS Inc.	7,429 In Stock	1 : £0.42000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	3.2768 MHz	±50ppm	±30ppm	17pF	120 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-36-18-1X CRYSTAL 3.6864MHZ 18PF TH ECS Inc.	1,555 In Stock	1 : £0.42000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	3.6864 MHz	±50ppm	±30ppm	18pF	120 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-200-20-1X CRYSTAL 20.0000MHZ 20PF TH ECS Inc.	1,160 In Stock	1 : £0.44000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	20 MHz	±50ppm	±30ppm	20pF	20 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
MP111 CRYSTAL 11.0592MHZ SERIES TH CTS-Frequency Controls	2,237 In Stock	1 : £0.46000 Bulk	MP	Bulk	Active	MHz Crystal	11.0592 MHz	±50ppm	±30ppm	Series	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)
MP120 CRYSTAL 12.0000MHZ SERIES TH CTS-Frequency Controls	2,179 In Stock	1 : £0.47000 Bulk	MP	Bulk	Active	MHz Crystal	12 MHz	±50ppm	±30ppm	Series	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)
ECS-39-17-1X CRYSTAL 3.93216MHZ 17PF TH ECS Inc.	1,812 In Stock	1 : £0.47000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	3.93216 MHz	±50ppm	±30ppm	17pF	100 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-40-20-1X CRYSTAL 4.0000MHZ 20PF TH ECS Inc.	1,807 In Stock	1 : £0.47000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	4 MHz	±50ppm	±30ppm	20pF	100 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-110.5-20-1X CRYSTAL 11.0592MHZ 20PF TH ECS Inc.	1,790 In Stock	1 : £0.47000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	11.0592 MHz	±50ppm	±30ppm	20pF	30 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-160-20-1X CRYSTAL 16.0000MHZ 20PF TH ECS Inc.	1,430 In Stock	1 : £0.47000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	16 MHz	±50ppm	±30ppm	20pF	20 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
MP101 CRYSTAL 10.0000MHZ 30PF TH CTS-Frequency Controls	2,216 In Stock	1 : £0.59000 Bulk	MP	Bulk	Active	MHz Crystal	10 MHz	±50ppm	±30ppm	30pF	30 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)
MP200 CRYSTAL 20.0000MHZ SERIES TH CTS-Frequency Controls	1,581 In Stock	1 : £0.63000 Bulk	MP	Bulk	Active	MHz Crystal	20 MHz	±50ppm	±30ppm	Series	25 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)
MP042 CRYSTAL 4.9152MHZ 20PF TH CTS-Frequency Controls	1,227 In Stock	1 : £0.76000 Bulk	MP	Bulk	Active	MHz Crystal	4.9152 MHz	±50ppm	±30ppm	20pF	50 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)
ECS-18-13-1X CRYSTAL 1.8432MHZ 13PF TH ECS Inc.	16,237 In Stock	1 : £0.83000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	1.8432 MHz	±50ppm	±30ppm	13pF	750 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-20-20-1X CRYSTAL 2.0000MHZ 20PF TH ECS Inc.	15,521 In Stock	1 : £0.94000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	2 MHz	±50ppm	±30ppm	20pF	500 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-25-S-1X CRYSTAL 2.5000MHZ SERIES TH ECS Inc.	838 In Stock	1 : £0.94000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	2.5 MHz	±50ppm	±30ppm	Series	300 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-30-S-1X CRYSTAL 3.0000MHZ SERIES TH ECS Inc.	300 In Stock	1 : £0.94000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	3 MHz	±50ppm	±30ppm	Series	200 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
ECS-24-32-1X CRYSTAL 2.4576MHZ 32PF TH ECS Inc.	6,081 In Stock	1 : £1.11000 Bulk	HC-49UX	Bulk	Active	MHz Crystal	2.4576 MHz	±50ppm	±30ppm	32pF	300 Ohms	Fundamental	-10°C ~ 70°C	-	Through Hole	HC-49/U	0.447" L x 0.183" W (11.35mm x 4.65mm)	0.530" (13.46mm)
AB-1.8432MHZ-B2 CRYSTAL 1.8432MHZ 18PF TH Abracon LLC	2,774 In Stock	1 : £1.11000 Bulk	AB	Bulk	Active	MHz Crystal	1.8432 MHz	±100ppm	±20ppm	18pF	750 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.530" (13.46mm)
AB-8.000MHZ-B2 CRYSTAL 8.0000MHZ 18PF TH Abracon LLC	1,968 In Stock	1 : £1.11000 Bulk	AB	Bulk	Active	MHz Crystal	8 MHz	±100ppm	±20ppm	18pF	35 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.530" (13.46mm)
AB-14.31818MHZ-B2 CRYSTAL 14.31818MHZ 18PF TH Abracon LLC	902 In Stock	Active	AB	Tape & Reel (TR) Cut Tape (CT) -	Active	MHz Crystal	14.31818 MHz	±100ppm	±20ppm	18pF	25 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.453" L x 0.197" W (11.50mm x 5.00mm)	0.530" (13.46mm)
MP024S CRYSTAL 2.4576MHZ 32PF TH CTS-Frequency Controls	2,424 In Stock	1 : £1.16000 Bulk	MP	Bulk	Active	MHz Crystal	2.4576 MHz	±50ppm	±30ppm	32pF	300 Ohms	Fundamental	-20°C ~ 70°C	-	Through Hole	HC-49/U	0.427" L x 0.150" W (10.85mm x 3.80mm)	0.530" (13.46mm)

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Crystal products are passive components most commonly used as time or frequency references in electronic systems. Consisting of a piezoelectric crystal that mechanically vibrates at a known frequency, their use requires provision of an external oscillator circuit with carefully designed capacitance, drive voltage, and series resistance characteristics, to generate a signal at the indicated crystal frequency that operates successfully over the operating temperature range, without damaging the crystal element. Active devices which integrate this additional necessary circuitry are considered oscillators and are catalogued separately.

HC-49/U Crystals

HC-49/U Crystals

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