EG-2102CA 400.0000M-LGPAB Equivalent & Substitute Parts

Part Overview

The EG-2102CA 400.0000M-LGPAB is a 400 MHz SO (SAW) LVDS oscillator manufactured by EPSON, designed for applications requiring low-voltage differential signaling at 3.3V supply with enable/disable functionality. The device is housed in a 6-SMD, No Lead package with surface mount configuration. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	EG-2102CA 400.0000M-LGPAB
Manufacturer	EPSON
Series	EG-2102CA
Frequency	400 MHz
Output Type	LVDS
Voltage - Supply	3.3V
Function	Enable/Disable
Frequency Stability	±50ppm
Operating Temperature	0°C ~ 70°C
Current - Supply (Max)	100mA
Current - Supply (Disable) (Max)	32mA
Package / Case	6-SMD, No Lead
Size / Dimension	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max)	0.055" (1.40mm)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the EG-2102CA 400.0000M-LGPAB is based on the following critical parameters that must remain consistent:

Frequency: 400 MHz (exact match required)
Output Type: LVDS (exact match required)
Function: Enable/Disable (exact match required)
Package / Case: 6-SMD, No Lead (exact match required)
Physical Dimensions: 0.276" L x 0.197" W (7.00mm x 5.00mm) (exact match required)
Height - Seated (Max): 0.055" (1.40mm) (exact match required)
Mounting Type: Surface Mount (exact match required)
Frequency Stability: ±50ppm (exact match required)
Operating Temperature: 0°C ~ 70°C (exact match required)

The substitute parts identified (EG-2121CA 400.0000M-LGPAB and EG-2121CA 400.0000M-LGPNB) meet all critical mechanical and functional parameters. The primary difference is the supply voltage specification: substitute parts operate at 2.5V rather than 3.3V, with correspondingly lower maximum supply current (30mA vs. 100mA) and disable current (20mA vs. 32mA).

Parameter Comparison

Parameter	EG-2102CA 400.0000M-LGPAB (Main)	EG-2121CA 400.0000M-LGPAB (Substitute)	EG-2121CA 400.0000M-LGPNB (Substitute)
Manufacturer	EPSON	EPSON	EPSON
Frequency	400 MHz	400 MHz	400 MHz
Output Type	LVDS	LVDS	LVDS
Voltage - Supply	3.3V	2.5V	2.5V
Function	Enable/Disable	Enable/Disable	Enable/Disable
Frequency Stability	±50ppm	±50ppm	±50ppm
Operating Temperature	0°C ~ 70°C	0°C ~ 70°C	0°C ~ 70°C
Current - Supply (Max)	100mA	30mA	30mA
Current - Supply (Disable) (Max)	32mA	20mA	20mA
Package / Case	6-SMD, No Lead	6-SMD, No Lead	6-SMD, No Lead
Size / Dimension	0.276" L x 0.197" W (7.00mm x 5.00mm)	0.276" L x 0.197" W (7.00mm x 5.00mm)	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max)	0.055" (1.40mm)	0.055" (1.40mm)	0.055" (1.40mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active

Engineering Selection Recommendations

The EG-2121CA series (both LGPAB and LGPNB variants) are active production alternatives to the obsolete EG-2102CA 400.0000M-LGPAB. Both substitute parts maintain identical mechanical compatibility, frequency specification, output type, and functional characteristics. The EG-2121CA series is ROHS3 compliant and carries MSL 1 rating, matching the compliance profile of the original part.

Selection between EG-2121CA 400.0000M-LGPAB and EG-2121CA 400.0000M-LGPNB depends on packaging requirements (LGPAB and LGPNB designations indicate different packaging configurations). Both variants operate at 2.5V supply voltage with reduced current consumption compared to the 3.3V main part. System designs must accommodate the lower supply voltage specification and reduced maximum current draw of the substitute parts.

Frequently Asked Questions (FAQ)

Q: Can the EG-2121CA series directly replace the EG-2102CA 400.0000M-LGPAB?

A: The EG-2121CA series maintains identical mechanical fit, frequency, output type, and functional characteristics. The primary design consideration is the supply voltage difference: EG-2121CA operates at 2.5V versus the original 3.3V specification. System power supply architecture must support 2.5V operation for the substitute part.

Q: What is the difference between EG-2121CA 400.0000M-LGPAB and EG-2121CA 400.0000M-LGPNB?

A: Both parts are electrically and functionally identical. The LGPAB and LGPNB designations indicate different packaging configurations. Selection depends on your procurement and assembly requirements.

Q: Are the substitute parts pin-compatible with the original EG-2102CA?

A: Both substitute parts use the same 6-SMD, No Lead package with identical physical dimensions (7.00mm x 5.00mm) and height (1.40mm). PCB footprint compatibility is maintained.

Q: What compliance certifications apply to the substitute parts?

A: The EG-2121CA series is ROHS3 compliant with MSL 1 rating, matching the compliance status of the original part. ECCN and HTSUS classifications remain consistent across all three parts.

Q: Why is the current consumption lower in the substitute parts?

A: The EG-2121CA series operates at 2.5V supply voltage, resulting in lower maximum supply current (30mA vs. 100mA) and disable current (20mA vs. 32mA) compared to the 3.3V EG-2102CA specification.

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