AX7DBF2-100.0000C Equivalent & Substitute Parts

Part Overview

The AX7DBF2-100.0000C is a 100 MHz XO (Standard) LVDS Oscillator manufactured by Abracon LLC, part of the ClearClock™ AX7 series. This component operates at 2.5V with Enable/Disable functionality in an 8-SMD, No Lead surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications requiring this specific frequency and output standard.

Key Parameters

Parameter	Value
Frequency	100 MHz
Output Type	LVDS
Supply Voltage	2.5V
Function	Enable/Disable
Frequency Stability	±25ppm
Operating Temperature Range	-40°C ~ 85°C
Package Type	8-SMD, No Lead
Package Dimensions	7.00mm x 5.00mm
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AX7DBF2-100.0000C is determined by strict alignment of the following critical parameters:

Frequency: 100 MHz (exact match required)
Output Standard: LVDS (no alternative output types acceptable)
Supply Voltage: 2.5V (exact match required)
Enable/Disable Function: Required for operational compatibility
Package Type: 8-SMD, No Lead (mechanical and electrical interface requirement)
Package Dimensions: 7.00mm x 5.00mm (PCB layout compatibility)
Operating Temperature Range: -40°C ~ 85°C (minimum requirement)
Frequency Stability: ±25ppm (performance specification)
RoHS3 Compliance: Required for regulatory alignment
Moisture Sensitivity Level 1: Unlimited shelf life requirement

The ODJMDLVTNF-100.000000 from Taitien meets all these critical parameters and qualifies as a direct substitute.

Parameter Comparison

Parameter	AX7DBF2-100.0000C (Abracon)	ODJMDLVTNF-100.000000 (Taitien)	Match Status
Frequency	100 MHz	100 MHz	Exact Match
Output Type	LVDS	LVDS	Exact Match
Supply Voltage	2.5V	2.5V	Exact Match
Function	Enable/Disable	Enable/Disable	Exact Match
Frequency Stability	±25ppm	±25ppm	Exact Match
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Exact Match
Current - Supply (Max)	70mA	80mA	Compatible (Taitien higher)
Current - Supply (Disable) (Max)	65mA	80mA	Compatible (Taitien higher)
Package Type	8-SMD, No Lead	8-SMD, No Lead	Exact Match
Package Dimensions	7.00mm x 5.00mm	7.00mm x 5.00mm	Exact Match
Height - Seated (Max)	1.90mm	1.85mm	Compatible (Taitien lower)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Exact Match
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Exact Match
Product Status	Discontinued at DiGi Electronics	Active	Substitute is active

Engineering Selection Recommendations

The ODJMDLVTNF-100.000000 from Taitien is a qualified substitute for the discontinued AX7DBF2-100.0000C. Selection is based on the following engineering criteria:

Regulatory Compliance: Both parts maintain ROHS3 compliance and identical moisture sensitivity ratings, ensuring no regulatory or environmental qualification changes are required.

Electrical Compatibility: All critical electrical parameters—frequency, output standard, supply voltage, function, and frequency stability—are identical. The Taitien substitute exhibits higher maximum supply current specifications (80mA vs. 70mA), which represents improved headroom in power delivery and does not create compatibility issues in existing designs.

Mechanical Compatibility: Package type, footprint dimensions, and mounting interface are identical. The Taitien part features a slightly lower seated height (1.85mm vs. 1.90mm), which is mechanically favorable and poses no clearance concerns.

Availability: The Taitien part is currently active in production with confirmed inventory, addressing the discontinuation status of the original Abracon component.

Frequently Asked Questions (FAQ)

Q: Can the ODJMDLVTNF-100.000000 be used as a direct replacement on existing PCBs designed for the AX7DBF2-100.0000C?

A: Yes. Both parts share identical package dimensions (7.00mm x 5.00mm), footprint, and 8-SMD, No Lead mounting interface. No PCB layout modifications are required.

Q: Are there differences in frequency stability between the two parts?

A: No. Both parts specify ±25ppm frequency stability across the operating temperature range of -40°C to 85°C.

Q: Why does the Taitien part have higher maximum supply current specifications?

A: The ODJMDLVTNF-100.000000 specifies 80mA maximum supply current compared to 70mA for the AX7DBF2-100.0000C. This difference reflects manufacturer characterization and does not affect compatibility. Higher current specifications provide additional design margin and do not create functional issues in circuits designed for the lower specification.

Q: Do both parts require identical handling and storage procedures?

A: Yes. Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity constraints. Storage and handling procedures are identical.

Q: Is the lower seated height of the Taitien part a concern for PCB assembly?

A: No. The Taitien part's seated height of 1.85mm is lower than the original 1.90mm specification. This represents improved clearance and poses no assembly or functional concerns.

Q: Are there any regulatory or compliance differences between the two parts?

A: No. Both parts are ROHS3 compliant and carry identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications.

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