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CTS-ATS040 — crystal-hc49 package (representative)
crystal-hc49
Representative of package type
CTS-Frequency Controls

CTS-ATS040

Quartz Crystal · HC-49/US · Passive
Manufacturer
CTS-Frequency Controls
Mfr Part #
CTS-ATS040
Category
Quartz Crystal
Datasheet
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Availability & Pricing
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Product Attributes

Electrical & Parametric
Frequency4 MHz
ModeFundamental
Physical & Thermal
Package / CaseHC-49/US
Classification & Lifecycle
CategoryQuartz Crystal
TypePassive

4.000 MHz fundamental-mode quartz crystal resonator

Part Activity

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Engineering FAQ

answers from this part's real data
What are the key specifications of CTS-ATS040?
Frequency: 4 MHz; Mode: Fundamental.
What package is CTS-ATS040 supplied in?
CTS-ATS040 is supplied in the HC-49/US package.
Can ZDI source CTS-ATS040 beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
Source-country supplier analysis, rating & review
Incoming inspection, RoHS verification, bake, full lot traceability
ESD-controlled handling · authentic parts guaranteed

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