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Product Overview
Digi-Key Part Number X405-ND
Quantity Available 6,330
Can ship immediately

Manufacturer Part Number


Description 4MHz ±30ppm Crystal 20pF 150 Ohm -10°C ~ 70°C Through Hole HC49/US
Lead Free Status / RoHS Status Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 9 Weeks
Documents & Media
Datasheets HC-49US
Crystal Part Numbering Guide
Catalog Page 1307 (HK092-10 PDF)
Product Attributes Select All

Crystals, Oscillators, Resonators




ECS Inc.

Series HC-49US
Packaging ? Bulk ?
Part Status Active
Type MHz Crystal
Frequency 4MHz
Frequency Stability ±50ppm
Frequency Tolerance ±30ppm
Load Capacitance 20pF
ESR (Equivalent Series Resistance) 150 Ohm
Operating Mode Fundamental
Operating Temperature -10°C ~ 70°C
Ratings -
Mounting Type Through Hole
Package / Case HC49/US
Size / Dimension 0.447" L x 0.183" W (11.35mm x 4.65mm)
Height 0.138" (3.50mm)
RoHS Replacement
Digi-Key Part Number Manufacturer Part Number Manufacturer Packaging Quantity Available Unit Price Minimum Quantity
X1045-ND ECS-40-20-4X ECS Inc. Bulk ? 6,087 - Immediate
6.87000 1
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Additional Resources
Standard Package ? 200
Other Names ECS40204

22:34:14 10/26/2016

Price & Procurement

All prices are in HKD.
Price Break Unit Price Extended Price
1 5.85000 5.85
10 4.87600 48.76
50 4.38940 219.47
100 3.90090 390.09
500 3.70584 1,852.92
1,000 3.12071 3,120.71

Submit a request for quotation on quantities greater than those displayed.

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