ASD3-50.000MHZ-LCS-T Equivalent & Substitute Parts

Part Overview

The ASD3-50.000MHZ-LCS-T is a 50 MHz XO (Standard) HCMOS oscillator manufactured by Abracon LLC. This surface mount crystal oscillator operates at 1.8V with enable/disable functionality and is housed in a 4-SMD, No Lead package. The device is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Key Parameters

Parameter	Value
Frequency	50 MHz
Output Type	HCMOS
Supply Voltage	1.8V
Function	Enable/Disable
Frequency Stability	±50ppm
Operating Temperature Range	-40°C ~ 85°C
Package Type	4-SMD, No Lead
Mounting Type	Surface Mount
Physical Dimensions	0.098" L x 0.079" W (2.50mm x 2.00mm)
Maximum Height	0.039" (1.00mm)
Maximum Supply Current	7mA
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the ASD3-50.000MHZ-LCS-T is permissible when the replacement component maintains electrical and mechanical equivalence across the following critical parameters:

Frequency: Exact match at 50 MHz
Output Configuration: HCMOS output type
Supply Voltage: 1.8V operation
Enable/Disable Function: Presence of enable/disable control capability
Frequency Stability: ±50ppm tolerance
Operating Temperature Range: -40°C ~ 85°C coverage
Package Specification: 4-SMD, No Lead configuration
Physical Dimensions: 0.098" L x 0.079" W (2.50mm x 2.00mm)
Maximum Height: 0.039" (1.00mm) seated height
Compliance Status: ROHS3 compliance and REACH unaffected status

The substitute part 625M3I050M00000 from CTS-Frequency Controls meets all specified electrical and mechanical parameters, enabling direct functional replacement in circuit applications.

Parameter Comparison

Parameter	ASD3-50.000MHZ-LCS-T (Abracon LLC)	625M3I050M00000 (CTS-Frequency Controls)	Match Status
Frequency	50 MHz	50 MHz	Equivalent
Output Type	HCMOS	HCMOS	Equivalent
Supply Voltage	1.8V	1.8V	Equivalent
Function	Enable/Disable	Enable/Disable	Equivalent
Frequency Stability	±50ppm	±50ppm	Equivalent
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	Equivalent
Package Type	4-SMD, No Lead	4-SMD, No Lead	Equivalent
Mounting Type	Surface Mount	Surface Mount	Equivalent
Physical Dimensions	0.098" L x 0.079" W (2.50mm x 2.00mm)	0.098" L x 0.079" W (2.50mm x 2.00mm)	Equivalent
Maximum Height	0.039" (1.00mm)	0.039" (1.00mm)	Equivalent
Maximum Supply Current	7mA	7mA	Equivalent
Maximum Disable Current	20µA	15µA	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

Both the ASD3-50.000MHZ-LCS-T and 625M3I050M00000 are Active product status components with full ROHS3 compliance and REACH unaffected certification. Selection between these parts is based on availability, packaging format, and supply chain requirements rather than electrical or mechanical performance differences.

The ASD3-50.000MHZ-LCS-T is supplied in Cut Tape (CT) & Digi-Reel® packaging format. The 625M3I050M00000 is supplied in Tape & Reel (TR) packaging format. Both packaging options are suitable for automated assembly processes. The choice between these parts depends on procurement volume requirements and assembly line compatibility with the specified packaging format.

Both components demonstrate identical electrical performance across all critical operating parameters, including frequency stability, supply current, and temperature range coverage. The maximum disable current specification for the 625M3I050M00000 (15µA) is lower than the ASD3-50.000MHZ-LCS-T (20µA), representing an operational advantage in power-constrained applications.

Frequently Asked Questions (FAQ)

Q: Can the 625M3I050M00000 be used as a direct replacement for the ASD3-50.000MHZ-LCS-T?

A: Yes. Both components are electrically and mechanically equivalent across all specified parameters. The 625M3I050M00000 operates at identical frequency, voltage, temperature range, and output characteristics. Physical dimensions and package configuration are identical, enabling direct PCB footprint compatibility.

Q: What is the difference in packaging between these two parts?

A: The ASD3-50.000MHZ-LCS-T is supplied in Cut Tape (CT) & Digi-Reel® format, while the 625M3I050M00000 is supplied in Tape & Reel (TR) format. Both formats are compatible with standard surface mount assembly equipment. Selection depends on production volume and assembly line configuration requirements.

Q: Are there any compliance or certification differences between these parts?

A: No. Both components are ROHS3 compliant and REACH unaffected. Both maintain Active product status. Regulatory and environmental compliance requirements are satisfied by either component.

Q: How do the supply current specifications compare?

A: Both components specify a maximum supply current of 7mA during normal operation. The disable mode current differs slightly: the ASD3-50.000MHZ-LCS-T specifies 20µA maximum, while the 625M3I050M00000 specifies 15µA maximum. The 625M3I050M00000 offers lower power consumption in disabled state.

Q: Are the physical dimensions identical?

A: Yes. Both components measure 0.098" L x 0.079" W (2.50mm x 2.00mm) with a maximum seated height of 0.039" (1.00mm). PCB footprint and assembly clearance requirements are identical.

Q: What frequency stability should be expected from either component?

A: Both the ASD3-50.000MHZ-LCS-T and 625M3I050M00000 specify ±50ppm frequency stability across the -40°C ~ 85°C operating temperature range.

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