7MA1470002 114.285 MHz Crystal 18pF SMD Equivalent & Substitute Parts

Part Overview

The TXC CORPORATION 7MA1470002 is an active surface mount crystal oscillator operating at 114.285 MHz with 18pF load capacitance and ±20ppm frequency stability. This component is designed for precision timing applications requiring stable frequency reference in compact 4-SMD, No Lead packaging. The part is RoHS Compliant and carries MSL 1 (Unlimited) moisture sensitivity rating, indicating robust handling characteristics for manufacturing environments.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter set. Alternative sources provide identical frequency, stability, load capacitance, and package dimensions, enabling supply chain flexibility while preserving circuit functionality.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Frequency	114.285	MHz	Critical - Must match exactly
Frequency Stability	±20	ppm	Critical - Determines timing accuracy
Load Capacitance	18	pF	Critical - Circuit impedance matching
Mounting Type	Surface Mount	-	Critical - PCB assembly compatibility
Package / Case	4-SMD, No Lead	-	Critical - Physical footprint
Size / Dimension	3.20mm x 2.50mm	-	Critical - PCB layout fit
Operating Temperature	-40°C ~ 85°C	-	Important - Environmental range
RoHS Status	RoHS Compliant	-	Important - Regulatory compliance

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across electrical and mechanical parameters. All identified substitute parts maintain the following core specifications:

Electrical Equivalence Requirements:

Frequency: 114.285 MHz (exact match)
Frequency Stability: ±20ppm (exact match)
Load Capacitance: 18pF (exact match)
Operating Temperature Range: -40°C ~ 85°C (exact match)

Mechanical Equivalence Requirements:

Mounting Type: Surface Mount
Package / Case: 4-SMD, No Lead
Footprint Dimensions: 3.20mm x 2.50mm (length x width)

Regulatory Equivalence:

RoHS Compliance (RoHS3 or RoHS Compliant)
REACH Unaffected status

Substitute parts may differ in ESR (Equivalent Series Resistance), operating mode, height-seated maximum, and MSL rating. These variations do not affect substitutability when the core electrical and mechanical parameters remain constant.

Parameter Comparison

Parameter	7MA1470002 (TXC)	ABM8-166-114.285MHZ-T2 (Abracon)	CS-023-114.285M (Connor Winfield)	CS06528-114.285M (NDK America)	ECS-1142.85-18-33-JTN-TR (ECS Inc.)
Frequency	114.285 MHz	114.285 MHz	114.285 MHz	114.285 MHz	114.285 MHz
Frequency Stability	±20ppm	±20ppm	±20ppm	±20ppm	±20ppm
Frequency Tolerance	±20ppm	±20ppm	±20ppm	±20ppm	±20ppm
Load Capacitance	18pF	18pF	18pF	18pF	18pF
ESR (Equivalent Series Resistance)	Not specified	80 Ohms	80 Ohms	80 Ohms	100 Ohms
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead
Size / Dimension	3.20mm x 2.50mm	3.20mm x 2.50mm	3.20mm x 2.50mm	3.20mm x 2.50mm	3.20mm x 2.50mm
Height - Seated (Max)	0.80mm	0.80mm	0.80mm	0.60mm	0.80mm
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	Not specified	REACH Unaffected

Engineering Selection Recommendations

All four substitute parts are qualified equivalents for the TXC CORPORATION 7MA1470002 based on electrical and mechanical parameter matching. Selection among substitutes should be based on the following factors:

Supply Availability:

ABM8-166-114.285MHZ-T2 (Abracon LLC): 86,800 pcs in stock - highest availability
CS06528-114.285M (NDK America, Inc.): 18,470 pcs in stock
CS-023-114.285M (Connor Winfield): 16,745 pcs in stock
ECS-1142.85-18-33-JTN-TR (ECS Inc.): 6,981 pcs in stock - lowest availability

Regulatory Compliance: All substitute parts carry ROHS3 Compliant status, meeting current RoHS Directive requirements. The main part carries RoHS Compliant status. Both designations satisfy RoHS compliance requirements.

Physical Constraints: CS06528-114.285M (NDK America) features reduced height-seated maximum of 0.60mm compared to 0.80mm for other parts. This specification is relevant only when PCB clearance is constrained.

ESR Characteristics: ABM8-166-114.285MHZ-T2, CS-023-114.285M, and CS06528-114.285M specify 80 Ohms ESR. ECS-1142.85-18-33-JTN-TR specifies 100 Ohms ESR. The main part does not specify ESR. ESR differences within this range do not affect circuit functionality for standard crystal oscillator applications.

Packaging Format: ABM8-166-114.285MHZ-T2 is supplied in Cut Tape (CT) & Digi-Reel® format. All other substitutes are supplied in Tape & Reel (TR) format. Packaging selection depends on assembly line requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the TXC 7MA1470002 with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts maintain identical frequency (114.285 MHz), frequency stability (±20ppm), load capacitance (18pF), and physical footprint (3.20mm x 2.50mm). No circuit redesign is required. The parts are direct mechanical and electrical equivalents.

Q: What is the significance of ESR differences between substitute parts?

A: ESR (Equivalent Series Resistance) values of 80 Ohms and 100 Ohms represent minor variations in internal resistance. These differences do not affect substitutability for standard crystal oscillator circuits. The main part does not specify ESR, indicating that ESR variation within this range is acceptable for the application.

Q: Does the height difference in the NDK America part (0.60mm vs 0.80mm) affect compatibility?

A: The reduced height of CS06528-114.285M provides additional PCB clearance. This is beneficial in space-constrained designs but does not prevent substitution. If your PCB layout has height restrictions, the NDK part offers an advantage. Otherwise, all parts are mechanically compatible.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts carry ROHS3 Compliant status. The main part carries RoHS Compliant status. Both designations satisfy current RoHS Directive requirements. No compliance issues arise from substitution.

Q: Which substitute part should I choose for highest availability?

A: ABM8-166-114.285MHZ-T2 from Abracon LLC has the highest inventory at 86,800 pieces. This part is suitable for high-volume production requirements.

Q: Can I mix substitute parts in the same production batch?

A: Yes. All substitute parts are electrically and mechanically equivalent. Mixing parts from different manufacturers in the same batch does not affect circuit performance. However, verify that your assembly process accommodates the different packaging formats (Cut Tape vs Tape & Reel).

Q: What is the difference between "RoHS Compliant" and "ROHS3 Compliant"?

A: Both designations indicate compliance with RoHS Directive requirements. ROHS3 refers to the current version of the directive. Both are acceptable for modern applications. No functional difference exists between parts carrying these different compliance designations.

Q: Is MSL (Moisture Sensitivity Level) a factor in substitution?

A: MSL ratings indicate moisture sensitivity during storage and handling. The main part and most substitutes carry MSL 1 (Unlimited), indicating minimal moisture sensitivity. ABM8-166-114.285MHZ-T2 lists MSL as "Not Applicable," indicating equivalent or superior moisture resistance. MSL differences do not prevent substitution.

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