CS-018-114.285MHZ Equivalent & Substitute Parts

Part Overview

The CS-018-114.285MHZ is a 114.285 MHz crystal oscillator manufactured by Connor Winfield, designed for 3rd overtone operation with 18pF load capacitance and 80 Ohms ESR. This part operates across the -40°C to 85°C temperature range in a compact 4-SMD, No Lead surface mount package (3.20mm x 2.50mm x 0.80mm).

The CS-018-114.285MHZ is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with identical or improved electrical and mechanical specifications, ensuring design continuity and supply chain flexibility.

Key Parameters

Parameter	Value
Frequency	114.285 MHz
Frequency Stability	±100ppm
Load Capacitance	18pF
ESR (Equivalent Series Resistance)	80 Ohms
Operating Mode	3rd Overtone
Operating Temperature Range	-40°C to 85°C
Package / Case	4-SMD, No Lead
Size / Dimension	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max)	0.031" (0.80mm)
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CS-018-114.285MHZ is determined by strict alignment of the following critical parameters:

Frequency: 114.285 MHz (exact match required)
Load Capacitance: 18pF (exact match required)
Package / Case: 4-SMD, No Lead (exact match required)
Size / Dimension: 0.126" L x 0.098" W (3.20mm x 2.50mm) (exact match required)
Operating Temperature Range: -40°C to 85°C (exact match required)
Operating Mode: 3rd Overtone (exact match required)

Substitute parts are categorized as follows:

Upgrade Substitutes — Parts with identical electrical and mechanical specifications but improved frequency stability (±20ppm vs. ±100ppm) and active product status. These provide enhanced performance and supply availability.

Parametric Equivalents — Parts with identical specifications across all critical parameters, including frequency stability, but with different packaging or product status.

Similar Parts — Parts meeting core frequency, load capacitance, and package requirements with identical frequency stability but minor variations in ESR specification or height.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Frequency	Frequency Stability	Load Capacitance	ESR (Ohms)	Operating Mode	Operating Temperature	Package / Case	Size (mm)	Height (mm)	Product Status
CS-018-114.285MHZ	Connor Winfield	114.285 MHz	±100ppm	18pF	80	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.80	Obsolete
CS-023-114.285M	Connor Winfield	114.285 MHz	±20ppm	18pF	80	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.80	Active
CS-018-114.285M	Connor Winfield	114.285 MHz	±100ppm	18pF	80	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.80	Active
ABM8-166-114.285MHZ-T2	Abracon LLC	114.285 MHz	±20ppm	18pF	80	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.80	Active
7M-114.285MCFJ-T	TXC CORPORATION	114.285 MHz	±100ppm	18pF	Not Specified	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.80	Active
7MA1472001	TXC CORPORATION	114.285 MHz	±100ppm	18pF	Not Specified	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.80	Active
CS06528-114.285M	NDK America, Inc.	114.285 MHz	±20ppm	18pF	80	3rd Overtone	-40°C ~ 85°C	4-SMD, No Lead	3.20 x 2.50	0.60	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): CS-018-114.285M (Connor Winfield) is the active equivalent with matching electrical and mechanical specifications. This part maintains the ±100ppm frequency stability of the original while offering active product status and improved supply availability.

For Enhanced Performance: CS-023-114.285M (Connor Winfield) and ABM8-166-114.285MHZ-T2 (Abracon LLC) provide improved frequency stability at ±20ppm while maintaining all other critical parameters. Both parts are ROHS3 compliant and actively manufactured. ABM8-166-114.285MHZ-T2 offers significantly higher inventory levels (86,800 pcs).

For Alternative Sourcing: 7M-114.285MCFJ-T and 7MA1472001 (TXC CORPORATION) meet all core electrical and mechanical requirements with ±100ppm frequency stability and active product status. These parts provide supply diversification from an alternative manufacturer.

For Compact Height Applications: CS06528-114.285M (NDK America, Inc.) delivers the lowest seated height at 0.60mm (versus 0.80mm standard) while maintaining ±20ppm frequency stability, 18pF load capacitance, and 80 Ohms ESR. This part is suitable for space-constrained designs.

All substitute parts are REACH Unaffected and classified under ECCN EAR99 with HTSUS code 8541.60.0060, matching the regulatory profile of the original part.

Frequently Asked Questions (FAQ)

Q: Can CS-023-114.285M replace CS-018-114.285MHZ directly? A: Yes. CS-023-114.285M is a direct mechanical and electrical substitute with identical frequency, load capacitance, package, and operating temperature range. The improved frequency stability (±20ppm vs. ±100ppm) provides enhanced performance without design modification.

Q: What is the difference between CS-018-114.285M and CS-018-114.285MHZ? A: Both parts share identical electrical specifications (114.285 MHz, ±100ppm, 18pF, 80 Ohms ESR) and mechanical dimensions. CS-018-114.285M is the active production variant with improved supply availability, while CS-018-114.285MHZ is obsolete.

Q: Is ABM8-166-114.285MHZ-T2 compatible with the original design? A: Yes. ABM8-166-114.285MHZ-T2 matches all critical parameters: frequency, load capacitance, package type, dimensions, and operating temperature range. The ±20ppm stability represents an improvement over the original ±100ppm specification.

Q: Why does CS06528-114.285M have a different height? A: CS06528-114.285M has a seated height of 0.60mm compared to the standard 0.80mm. This reduced height is a design feature of the NDK America part and remains compatible with standard PCB layouts. Verify clearance in height-constrained applications.

Q: Are all substitute parts RoHS compliant? A: CS-023-114.285M, CS-018-114.285M, ABM8-166-114.285MHZ-T2, and CS06528-114.285M are ROHS3 compliant. 7M-114.285MCFJ-T and 7MA1472001 are RoHS compliant. All parts are REACH Unaffected.

Q: What packaging options are available? A: CS-023-114.285M, CS-018-114.285M, and CS06528-114.285M are supplied in Tape & Reel (TR). ABM8-166-114.285MHZ-T2 is available in Cut Tape (CT) & Digi-Reel®. 7M-114.285MCFJ-T is supplied in Cut Tape (CT). Verify packaging requirements for your procurement process.

Q: Can I use 7MA1472001 as a substitute? A: Yes. 7MA1472001 meets all core electrical and mechanical requirements with ±100ppm frequency stability and 3rd overtone operation. Operating mode is not specified in available data; confirm compatibility with your circuit design before implementation.

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