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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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Frequency
Load Capacitance
Tolerance
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Minimum Operating Temperature
Maximum Operating Temperature
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Height
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ECS Crystals HC-49USX, 20MHz, 18pF, HC-49USX, +/-30ppm, +/-50ppm, -10C +70 C, RoHS
Datasheet
5,710In Stock
Min.: 1
Mult.: 1
: 200

20 MHz 18 pF 30 PPM 50 PPM 11.35 mm x 3.5 mm - 10 C + 70 C Radial 30 Ohms 500 uW 11.35 mm 5 mm 3.5 mm Reel, Cut Tape
ECS Crystals 12MHz 20pF HC-49US
Datasheet
4,779In Stock
Min.: 1
Mult.: 1

12 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 CRYSTAL 16MHZ 18pF 10ppm 10ppm -20 C 70 C
Datasheet
9,909In Stock
Min.: 1
Mult.: 1

16 MHz 18 pF 10 PPM 10 PPM HC-49/USX - 20 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 5 mm 3.5 mm HC-49USX Bulk
ECS Crystals 18.432MHz SERIES
Datasheet
624In Stock
Min.: 1
Mult.: 1

18.432 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 9.8304MHz 20pF
Datasheet
180In Stock
Min.: 1
Mult.: 1

9.8304 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 24.00014MHz 18pF 50ppm -40C +85C
Datasheet
192In Stock
Min.: 1
Mult.: 1

24 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 30 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 11.98135MHz Series -10C +70C
Datasheet
208In Stock
Min.: 1
Mult.: 1

11.98135 MHz 20 pF 30 PPM 50 PPM HC-49/USX - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 3.7 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 16.000312MHz 18pF
Datasheet
1,034In Stock
Min.: 1
Mult.: 1

16.000312 MHz 18 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 15.36MHz 18pF 50ppm -40C +85C
Datasheet
773In Stock
Min.: 1
Mult.: 1

15.36 MHz 18 pF 30 PPM 50 PPM - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12.96MHz 18pF -10C +70C
Datasheet
209In Stock
Min.: 1
Mult.: 1

12.96 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 10 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 14.31818MHz SERIES
Datasheet
198In Stock
Min.: 1
Mult.: 1

14.31818 MHz Series 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 3.579MHz 17pF EX/TEMP HC-49US
Datasheet
3,008In Stock
Min.: 1
Mult.: 1

3.579545 MHz 17 pF 30 PPM 100 PPM HC-49/US - 40 C + 85 C Radial 200 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 3.6864MHz 18pF
Datasheet
2,767In Stock
Min.: 1
Mult.: 1

3.6864 MHz 18 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 200 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS
Datasheet
1,000In Stock
Min.: 1
Mult.: 1

12 MHz 20 pF 30 PPM 50 PPM 11.35 mm x 4.65 mm - 20 C + 70 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm Bulk
ECS Crystals 3.579545MHZ 18pF 100 ppm -55C +125C
Datasheet
986In Stock
Min.: 1
Mult.: 1

3.579545 MHz 18 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 200 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 4.000MHZ 20pF 100 ppm -55C +125C
Datasheet
742In Stock
Min.: 1
Mult.: 1

4 MHz 20 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 150 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 6.000MHZ 20pF 100 ppm -55C +125C
Datasheet
176In Stock
Min.: 1
Mult.: 1

6 MHz 20 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 100 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 8.000MHZ 20pF 100 ppm -55C +125C
Datasheet
2,749In Stock
Min.: 1
Mult.: 1

8 MHz 20 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 80 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 10.000MHZ 20pF 100 ppm -55C +125C
Datasheet
942In Stock
Min.: 1
Mult.: 1

10 MHz 20 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 10.24MHz 18pF 50ppm -40C +85C
Datasheet
901In Stock
Min.: 1
Mult.: 1

10.24 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 11.0592MHz 18pF 50ppm -40C +85C
Datasheet
1,089In Stock
Min.: 1
Mult.: 1

11.0592 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 12.000MHZ 18pF 100 ppm -55C +125C
Datasheet
432In Stock
Min.: 1
Mult.: 1

12 MHz 18 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 60 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 12MHz 18pF 50ppm -40C +85C
Datasheet
173In Stock
1,000Expected 03/09/2026
Min.: 1
Mult.: 1

12 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 12.288MHz 18pF 50ppm -40C +85C
Datasheet
100In Stock
Min.: 1
Mult.: 1

12.288 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 13.5MHz 18pF 50ppm -40C +85C
Datasheet
899In Stock
Min.: 1
Mult.: 1

13.5168 MHz 18 pF 30 PPM 50 PPM - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk