HC-49USX Low-Profile Quartz Crystals

ECS HC-49USX Low-Profile Quartz Crystals are cost-effective, lead-free, and RoHS-compliant crystals with a maximum height of 3.5mm. The HC-49USX thru-hole mount, resistance weld-type crystals have an operating temperature range of -10°C to +70°C. The HC-49USX-DN series features an industrial temperature range of -40°C to +85°C. ECS HC-49USX Low-Profile Quartz Crystals feature a frequency range between 3.57MHz and 70MHz.

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Qty. RoHS ECAD Model Frequency
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ECS Crystals CRYSTAL 7.3728MHZ 18PF T/H,HC-49USX, 50ppm, 30ppm,18pF,80 Ohm,Fundamental,-40 C 85 C,HC49/US,0.447" L x 0.183" W (11.35mm x 4.65mm),0.138" (3.50mm)
Datasheet
192In Stock
Min.: 1
Mult.: 1

7.3728 MHz 18 pF 30 PPM 50 PPM - 40 C + 85 C Radial 80 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 9MHz 18pF 50ppm -40C +85C
Datasheet
1.062In Stock
Min.: 1
Mult.: 1

9 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 9.2160MHz 18pF -10C +70C
Datasheet
206In Stock
Min.: 1
Mult.: 1

9.216 MHz 18 pF 30 PPM 50 PPM 11.35 mm x 4.65 mm - 40 C + 85 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals HC-49USX, 11.0592MHz, 20pF, +/-30ppm, +/-50ppm, -40C +85 C, RoHS
Datasheet
380In Stock
Min.: 1
Mult.: 1
: 200

11.0592 MHz 20 pF 30 PPM 50 PPM 11.35 mm x 3.5 mm - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 5 mm 3.5 mm Reel, Cut Tape
ECS Crystals 16.000 MHz 12 pF HC-49USX +/-30/30 ppm -20 - +70C RoHS
Datasheet
548In Stock
Min.: 1
Mult.: 1

16 MHz 12 pF 30 PPM 30 PPM 11.35 mm x 4.65 mm - 20 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm Bulk
ECS Crystals 16.000 MHz 18 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS
Datasheet
686In Stock
Min.: 1
Mult.: 1

16 MHz 18 pF 30 PPM 50 PPM 11.35 mm x 4.65 mm - 20 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm Bulk
ECS Crystals 16.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS
Datasheet
662In Stock
Min.: 1
Mult.: 1

16 MHz 20 pF 30 PPM 50 PPM 11.35 mm x 4.65 mm - 20 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm Bulk
ECS Crystals 20.000 MHz 18 pF HC-49USX +/-30/30 ppm -20 - +70C RoHS
Datasheet
499In Stock
Min.: 1
Mult.: 1

20 MHz 18 pF 30 PPM 30 PPM 11.35 mm x 4.65 mm - 20 C + 70 C Radial 30 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm Bulk
ECS Crystals 20.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS
Datasheet
611In Stock
Min.: 1
Mult.: 1

20 MHz 20 pF 30 PPM 50 PPM 11.35 mm x 4.65 mm - 20 C + 70 C Radial 30 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm Bulk
ECS Crystals HC-49USX, 4MHz, 18pF, +/-30ppm, +/-50ppm, -10C +70 C, RoHS
Datasheet
220In Stock
Min.: 1
Mult.: 1
: 200

4 MHz 18 pF 30 PPM 50 PPM 11.35 mm x 3.5 mm - 10 C + 70 C Radial 150 Ohms 500 uW 11.35 mm 3.5 mm 3.5 mm Reel, Cut Tape
ECS Crystals CRYSTAL 8MHZ 18pF 10ppm 10ppm -20 C 70 C
Datasheet
2.206In Stock
Min.: 1
Mult.: 1

8 MHz 18 pF 10 PPM 10 PPM HC-49/USX - 20 C + 70 C Radial 80 Ohms 500 uW 11.35 mm 5 mm 3.5 mm HC-49USX Bulk
ECS Crystals CRYSTAL 12MHZ 18pF 10ppm 10ppm -20 C 70 C
Datasheet
2.773In Stock
Min.: 1
Mult.: 1

12 MHz 18 pF 10 PPM 10 PPM HC-49/USX - 20 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 5 mm 3.5 mm HC-49USX Bulk
ECS Crystals CRYSTAL 20MHZ 18pF 10ppm 10ppm -20 C 70 C
Datasheet
554In Stock
600On Order
Min.: 1
Mult.: 1

20 MHz 18 pF 10 PPM 10 PPM HC-49/USX - 20 C + 70 C Radial 30 Ohms 500 uW 11.35 mm 5 mm 3.5 mm HC-49USX Bulk
ECS Crystals CRYSTAL 25MHZ 18pF 10ppm 10ppm -20 C 70 C
Datasheet
1.242In Stock
Min.: 1
Mult.: 1

25 MHz 18 pF 10 PPM 10 PPM HC-49/USX - 20 C + 70 C Radial 30 Ohms 500 uW 11.35 mm 5 mm 3.5 mm HC-49USX Bulk
ECS Crystals 10MHz 18pF
Datasheet
249In Stock
1.800Expected 8/25/2026
Min.: 1
Mult.: 1

10 MHz 18 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm 3.2 mm HCS-49USX Bulk
ECS Crystals 10MHz SERIES
Datasheet
496In Stock
1.000On Order
Min.: 1
Mult.: 1

10 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 10.738635MHz SERIES
Datasheet
929In Stock
Min.: 1
Mult.: 1

10.738635 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 11MHz SERIES
Datasheet
439In Stock
Min.: 1
Mult.: 1

11 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 11.0592MHz 20pF
Datasheet
1.240In Stock
Min.: 1
Mult.: 1

11.0592 MHz 20 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 11.0592MHz 32pF
Datasheet
1.024In Stock
Min.: 1
Mult.: 1

11.0592 MHz 32 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 11.0592MHz SERIES
Datasheet
170In Stock
1.000Expected 8/26/2026
Min.: 1
Mult.: 1

11.0592 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12MHz 20pF EX/TEMP HC-49US
Datasheet
704In Stock
Min.: 1
Mult.: 1

12 MHz 20 pF 30 PPM 100 PPM HC-49/US - 40 C + 85 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12MHz 32pF
Datasheet
1.962In Stock
Min.: 1
Mult.: 1

12 MHz 32 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12MHz SERIES
Datasheet
892In Stock
Min.: 1
Mult.: 1

12 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12.288MHz Series -10C +70C
Datasheet
436In Stock
Min.: 1
Mult.: 1

12.288 MHz 20 pF 30 PPM 50 PPM HC-49/USX - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 3.8 mm 3.5 mm HCS-49USX Bulk