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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)
HC-49USX Series
ECS-40-20-4X
CRYSTAL 4.0000MHZ 20PF TH
ECS Inc.
18,514
In Stock
1,800
Factory
1 : $1.01000
Bulk
Bulk
ActiveMHz Crystal4 MHz±50ppm±30ppm20pF150 OhmsFundamental-10°C ~ 70°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
HC-49USX Series
ECS-36-18-4X
CRYSTAL 3.6864MHZ 18PF TH
ECS Inc.
8,986
In Stock
21,400
Factory
1 : $1.03000
Bulk
Bulk
ActiveMHz Crystal3.6864 MHz±50ppm±30ppm18pF200 OhmsFundamental-10°C ~ 70°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
ECS-.327-8-14X
ECS-.327-8-14X
CRYSTAL 32.7680KHZ 8PF TH
ECS Inc.
7,937
In Stock
43,000
Factory
1 : $1.79000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±20ppm8pF40 kOhmsFundamental-10°C ~ 60°C-Through HoleCylindrical Can, Radial0.059" Dia x 0.201" L (1.50mm x 5.10mm)0.201" (5.10mm)
ECS-31 Series
ECS-.320-12.5-13X
CRYSTAL 32.0000KHZ 12.5PF TH
ECS Inc.
8,518
In Stock
14,000
Factory
1 : $2.09000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32 kHz-±30ppm12.5pF-Fundamental-10°C ~ 60°C-Through HoleCylindrical Can, Radial0.083" Dia x 0.244" L (2.10mm x 6.20mm)0.244" (6.20mm)
HC-49U
ECS-10-13-1H
CRYSTAL 1.0000MHZ 13PF TH
ECS Inc.
879
In Stock
1,000
Factory
1 : $14.11000
Bulk
Bulk
Not For New DesignsMHz Crystal1 MHz±100ppm±100ppm13pF3 kOhmsFundamental0°C ~ 60°C-Through HoleHC-49/U0.447" L x 0.183" W (11.35mm x 4.65mm)0.530" (13.46mm)
ECS-.327-12.5-13(X)
ECS-.327-6-13X
CRYSTAL 32.7680KHZ 6PF TH
ECS Inc.
39,088
In Stock
21,000
Factory
1 : $0.31000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±20ppm6pF35 kOhmsFundamental-10°C ~ 60°C-Through HoleCylindrical Can, Radial0.083" Dia x 0.244" L (2.10mm x 6.20mm)0.244" (6.20mm)
ECS-.327-12.5-13(X)
ECS-.327-12.5-13X
CRYSTAL 32.7680KHZ 12.5PF TH
ECS Inc.
74,683
In Stock
43,000
Factory
1 : $0.35000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±20ppm12.5pF35 kOhmsFundamental-10°C ~ 60°C-Through HoleCylindrical Can, Radial0.083" Dia x 0.244" L (2.10mm x 6.20mm)0.244" (6.20mm)
502,408
In Stock
1 : $0.37000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±20ppm6pF35 kOhmsFundamental-20°C ~ 70°C-Through HoleCylindrical Can, Radial0.075" Dia (1.90mm)0.244" (6.20mm)
ECS-.327-12.5-13X-C
ECS-.327-12.5-13X-C
CRYSTAL 32.768KHZ 12.5PF SMD
ECS Inc.
1,457
In Stock
21,000
Factory
1 : $0.48000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±10ppm12.5pF35 kOhmsFundamental-20°C ~ 70°C-Through HoleCylindrical Can, Radial0.083" Dia x 0.244" L (2.10mm x 6.20mm)-
ECS-3X8X
ECS-.327-12.5-8X
CRYSTAL 32.7680KHZ 12.5PF TH
ECS Inc.
83,515
In Stock
1 : $0.49000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±20ppm12.5pF35 kOhmsFundamental-10°C ~ 60°C-Through HoleCylindrical Can, Radial0.122" Dia x 0.323" L (3.10mm x 8.20mm)0.323" (8.20mm)
HC-46X Series
ECS-160-20-46X
CRYSTAL 16.0000MHZ 20PF TH
ECS Inc.
1,843
In Stock
5,000
Factory
1 : $0.60000
Bulk
Bulk
ActiveMHz Crystal16 MHz±50ppm±30ppm20pF50 OhmsFundamental-10°C ~ 70°C-Through HoleHC-46/X0.268" L x 0.157" W (6.80mm x 4.00mm)0.071" (1.80mm)
HC-46X Series
ECS-400-20-46X
CRYSTAL 40.0000MHZ 20PF TH
ECS Inc.
1,562
In Stock
2,500
Factory
1 : $0.56000
Bulk
Bulk
ActiveMHz Crystal40 MHz±50ppm±30ppm20pF40 OhmsFundamental-10°C ~ 70°C-Through HoleHC-46/X0.268" L x 0.157" W (6.80mm x 4.00mm)0.071" (1.80mm)
HC-46X Series
ECS-120-20-46X
CRYSTAL 12.0000MHZ 20PF TH
ECS Inc.
1,002
In Stock
3,500
Factory
1 : $0.60000
Bulk
Bulk
ActiveMHz Crystal12 MHz±50ppm±30ppm20pF60 OhmsFundamental-10°C ~ 70°C-Through HoleHC-46/X0.268" L x 0.157" W (6.80mm x 4.00mm)0.071" (1.80mm)
161,960
In Stock
1 : $0.64000
Bulk
Bulk
ActivekHz Crystal (Tuning Fork)32.768 kHz-±10ppm6pF35 kOhmsFundamental-20°C ~ 70°C-Through HoleCylindrical Can, Radial0.075" Dia (1.90mm)0.244" (6.20mm)
ECS-120-18-4X-CKM
ECS-160-18-4X-CKM
CRYSTAL 16.0000MHZ 18PF TH
ECS Inc.
8,506
In Stock
5,000
Factory
1 : $0.64000
Bulk
Bulk
ActiveMHz Crystal16 MHz±10ppm±10ppm18pF40 OhmsFundamental-20°C ~ 70°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
ECS-120-18-4X-CKM
ECS-80-18-4X-CKM
CRYSTAL 8.0000MHZ 18PF TH
ECS Inc.
6,166
In Stock
2,000
Factory
1 : $0.71000
Bulk
Bulk
ActiveMHz Crystal8 MHz±10ppm±10ppm18pF80 OhmsFundamental-20°C ~ 70°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
ECS-.327-12.5-13(X)
ECS-.327-12.5-13
CRYSTAL 32.7680KHZ 12.5PF TH
ECS Inc.
5,386
In Stock
1 : $0.74000
Bulk
Bulk
Not For New DesignskHz Crystal (Tuning Fork)32.768 kHz-±20ppm12.5pF35 kOhmsFundamental-10°C ~ 60°C-Through HoleCylindrical Can, Radial0.083" Dia x 0.244" L (2.10mm x 6.20mm)0.244" (6.20mm)
ECS-120-18-4X-CKM
ECS-120-18-4X-CKM
CRYSTAL 12.0000MHZ 18PF TH
ECS Inc.
1,480
In Stock
1 : $0.83000
Bulk
Bulk
ActiveMHz Crystal12 MHz±10ppm±10ppm18pF60 OhmsFundamental-20°C ~ 70°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
ECS-120-18-4X-CKM
ECS-250-18-4X-CKM
CRYSTAL 25.0000MHZ 18PF TH
ECS Inc.
1,201
In Stock
2,000
Factory
1 : $0.78000
Bulk
Bulk
ActiveMHz Crystal25 MHz±10ppm±10ppm18pF30 OhmsFundamental-20°C ~ 70°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
HC-49U
ECS-73-20-1X
CRYSTAL 7.3728MHZ 20PF TH
ECS Inc.
30,422
In Stock
34,000
Factory
1 : $0.84000
Bulk
Bulk
ActiveMHz Crystal7.3728 MHz±50ppm±30ppm20pF40 OhmsFundamental-10°C ~ 70°C-Through HoleHC-49/U0.447" L x 0.183" W (11.35mm x 4.65mm)0.530" (13.46mm)
HC-49U
ECS-40-20-1X
CRYSTAL 4.0000MHZ 20PF TH
ECS Inc.
6,108
In Stock
12,400
Factory
1 : $0.84000
Bulk
Bulk
ActiveMHz Crystal4 MHz±50ppm±30ppm20pF100 OhmsFundamental-10°C ~ 70°C-Through HoleHC-49/U0.447" L x 0.183" W (11.35mm x 4.65mm)0.530" (13.46mm)
HC-49U
ECS-36-18-1X
CRYSTAL 3.6864MHZ 18PF TH
ECS Inc.
3,732
In Stock
11,000
Factory
1 : $0.84000
Bulk
Bulk
ActiveMHz Crystal3.6864 MHz±50ppm±30ppm18pF120 OhmsFundamental-10°C ~ 70°C-Through HoleHC-49/U0.447" L x 0.183" W (11.35mm x 4.65mm)0.530" (13.46mm)
HC-49U
ECS-160-20-1X
CRYSTAL 16.0000MHZ 20PF TH
ECS Inc.
10,690
In Stock
1 : $0.89000
Bulk
Bulk
ActiveMHz Crystal16 MHz±50ppm±30ppm20pF20 OhmsFundamental-10°C ~ 70°C-Through HoleHC-49/U0.447" L x 0.183" W (11.35mm x 4.65mm)0.530" (13.46mm)
HC-49USX Series
ECS-50-18-4XEN
CRYSTAL 5.0000MHZ 18PF TH
ECS Inc.
7,523
In Stock
4,200
Factory
1 : $0.89000
Bulk
Bulk
ActiveMHz Crystal5 MHz±50ppm±30ppm18pF120 OhmsFundamental-40°C ~ 85°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
HC-49USX Series
ECS-60-18-4XEN
CRYSTAL 6.0000MHZ 18PF TH
ECS Inc.
3,335
In Stock
3,600
Factory
1 : $0.89000
Bulk
Bulk
ActiveMHz Crystal6 MHz±50ppm±30ppm18pF100 OhmsFundamental-40°C ~ 85°C-Through HoleHC-49/US0.447" L x 0.183" W (11.35mm x 4.65mm)0.138" (3.50mm)
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Through Hole Crystals


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.