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
Load Capacitance
Tolerance
Frequency Stability
Package/Case
Minimum Operating Temperature
Maximum Operating Temperature
Termination Style
ESR
Drive Level
Length
Width
Height
Diameter
Series
Packaging
ECS Crystals 20.000 MHz 20 pF HC-49USX +/-30/50 ppm -20 - +70C RoHS
Datasheet
1,115In 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 4MHz 20pF
Datasheet
5,509In Stock
Min.: 1
Mult.: 1

4 MHz 20 pF 30 PPM 50 PPM HC-49/US - 10 C + 70 C Radial 150 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX 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
885In 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
776In 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
2,943In 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
844In Stock
200Expected 28/07/2026
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
917In 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
1,289In 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
652In 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
267In Stock
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
101In 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
ECS Crystals 14.31818MHz 18pF 50ppm -40C +85C
Datasheet
257In Stock
Min.: 1
Mult.: 1

14.31818 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 14.7456MHz 18pF 50ppm -40C +85C
Datasheet
991In Stock
Min.: 1
Mult.: 1

14.7456 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 16MHz 18pF 50ppm -40C +85C
Datasheet
671In Stock
Min.: 1
Mult.: 1

16 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 16.000MHZ 20pF 100 ppm -55C +125C
Datasheet
1,569In Stock
Min.: 1
Mult.: 1

16 MHz 20 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 16.384MHz 18pF 50ppm -40C +85C
Datasheet
398In Stock
Min.: 1
Mult.: 1

16.384 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 18MHz 18pF 50ppm -40C +85C
Datasheet
303In Stock
Min.: 1
Mult.: 1

18 MHz 18 pF 30 PPM 50 PPM HC-49/USX - 40 C + 85 C Radial 40 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 20MHz 18pF 50ppm -40C +85C
Datasheet
127In Stock
1,000Expected 29/05/2026
Min.: 1
Mult.: 1

20 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 20.000MHZ 20pF 100 ppm -55C +125C
Datasheet
69In Stock
Min.: 1
Mult.: 1

20 MHz 20 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 30 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk
ECS Crystals 22.1184MHz 18pF 50ppm -40C +85C
Datasheet
10In Stock
Min.: 1
Mult.: 1

22.1184 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 24MHz 18pF 50ppm -40C +85C
Datasheet
435In Stock
200Expected 04/08/2026
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 24.576MHz 18pF 50ppm -40C +85C
Datasheet
558In Stock
Min.: 1
Mult.: 1

24.576 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 25.000MHZ 18pF 100 ppm -55C +125C
Datasheet
996In Stock
Min.: 1
Mult.: 1

25 MHz 18 pF 30 PPM 100 PPM HC-49/USX - 55 C + 125 C Radial 30 Ohms 500 uW 11.35 mm 4.65 mm 3.5 mm HCS-49USX Bulk