| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Type | Frequency | Frequency Stability | Frequency Tolerance | Load Capacitance | ESR (Equivalent Series Resistance) | Operating Mode | Operating Temperature | Ratings | Mounting Type | Supplier Device Package | Size / Dimension | Height - Seated (Max) | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
                 
                     
                 
                
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                    ECS-403.2-18-1CRYSTAL 40.3200MHZ 18PF TH ECS Inc.  |  
                8,627 | 
                
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                       Datasheet  | 	
                
                HC-49U | HC-49/U | Bulk | Not For New Designs | MHz Crystal | 40.32 MHz | ±50ppm | ±30ppm | 18pF | 40 Ohms | 3rd Overtone | -10°C ~ 70°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.530" (13.46mm) | 
                 
                     
                 
                
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                    ECS-52-32-5PX-TRCRYSTAL 5.1850MHZ 32PF SMD ECS Inc.  |  
                9,486 | 
                
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                       Datasheet  | 	
                
                CSM-7X | HC-49/US | Tape & Reel (TR) | Active | MHz Crystal | 5.185 MHz | ±50ppm | ±30ppm | 32pF | 80 Ohms | Fundamental | -10°C ~ 70°C | - | Surface Mount | - | 0.449" L x 0.189" W (11.40mm x 4.80mm) | 0.169" (4.30mm) | 
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                    ECS-196.6-20-4XDNCRYSTAL 19.6608MHZ 20PF TH ECS Inc.  |  
                3,551 | 
                
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                       Datasheet  | 	
                
                HC-49USX-DN | HC-49/US | Bulk | Active | MHz Crystal | 19.6608 MHz | ±100ppm | ±30ppm | 20pF | 40 Ohms | Fundamental | -40°C ~ 85°C | - | Through Hole | - | 0.447" L x 0.183" W (11.35mm x 4.65mm) | 0.138" (3.50mm) | 
                 
                     
                 
                
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                    ECS-100-18-4BCRYSTAL 10.0000MHZ 18PF TH ECS Inc.  |  
                3,296 | 
                
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                       Datasheet  | 	
                
                HC-49US | - | Bulk | Active | MHz Crystal | 10 MHz | ±50ppm | ±30ppm | 18pF | - | Fundamental | -10°C ~ 70°C | - | Through Hole | - | - | - | 
                 
                     
                 
                
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                    ECS-204.8-20-5PXCRYSTAL 20.4800MHZ 20PF SMD ECS Inc.  |  
                3,828 | 
                
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                       Datasheet  | 	
                
                CSM-7X | HC-49/US | Tape & Reel (TR) | Active | MHz Crystal | 20.48 MHz | ±50ppm | ±30ppm | 20pF | 30 Ohms | Fundamental | -10°C ~ 70°C | - | Surface Mount | - | 0.449" L x 0.189" W (11.40mm x 4.80mm) | 0.169" (4.30mm) | 
                 
                     
                 
                
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                    ECS-160-18-5PVX-GN-TRCRYSTAL 16.0000MHZ 18PF SMD ECS Inc.  |  
                1,086 | 
                
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                       Datasheet  | 	
                
                CSM-7SSX | HC-49/US | Tape & Reel (TR) | Active | MHz Crystal | 16 MHz | ±30ppm | ±30ppm | 18pF | 50 Ohms | Fundamental | -40°C ~ 85°C | - | Surface Mount | - | 0.449" L x 0.189" W (11.40mm x 4.80mm) | 0.102" (2.60mm) | 
                 
                     
                 
                
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                    ECS-260-18-33-AGM-TRCRYSTAL 26.0000MHZ 18PF SMD ECS Inc.  |  
                3,760 | 
                
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                       Datasheet  | 	
                
                ECX-32 | 4-SMD, No Lead | Tape & Reel (TR) | Active | MHz Crystal | 26 MHz | ±30ppm | ±25ppm | 18pF | 40 Ohms | Fundamental | -20°C ~ 70°C | - | Surface Mount | - | 0.126" L x 0.098" W (3.20mm x 2.50mm) | 0.031" (0.80mm) | 
                 
                     
                 
                
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                    ECS-250-18-5PVX-GN-TRCRYSTAL 25.0000MHZ 18PF SMD ECS Inc.  |  
                7,875 | 
                
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                       Datasheet  | 	
                
                CSM-7SSX | HC-49/US | Tape & Reel (TR) | Active | MHz Crystal | 25 MHz | ±30ppm | ±30ppm | 18pF | 40 Ohms | Fundamental | -40°C ~ 85°C | - | Surface Mount | - | 0.449" L x 0.189" W (11.40mm x 4.80mm) | 0.102" (2.60mm) | 
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                    ECS-160-20-4X-BCRYSTAL 16.0000MHZ 20PF TH ECS Inc.  |  
                7,409 | 
                
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                       Datasheet  | 	
                
                HC-49USX | HC-49/US | Bulk | Active | MHz Crystal | 16 MHz | ±50ppm | ±30ppm | 20pF | 40 Ohms | Fundamental | -10°C ~ 70°C | - | Through Hole | - | - | 0.138" (3.50mm) | 
                 
                     
                 
                
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                    ECS-270-12-33-AGN-TRCRYSTAL 27.0000MHZ 12PF SMD ECS Inc.  |  
                2,550 | 
                
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                       Datasheet  | 	
                
                ECX-32 | 4-SMD, No Lead | Tape & Reel (TR) | Active | MHz Crystal | 27 MHz | ±30ppm | ±25ppm | 12pF | 40 Ohms | Fundamental | -40°C ~ 85°C | - | Surface Mount | - | 0.126" L x 0.098" W (3.20mm x 2.50mm) | 0.031" (0.80mm) |