E-TA2012 T 8DB N2 RF Attenuator Equivalent & Substitute Parts

Part Overview

The E-TA2012 T 8DB N2 is an RF attenuator manufactured by Nidec Components Corporation, designed for signal attenuation in RF circuits operating from 0 Hz to 3 GHz. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 0805 (2012 Metric) package format and 50-ohm impedance specification are standard for surface-mount RF applications requiring precision attenuation.

Substiute Parts

E-TA2012 T 8DB N2

Nidec Components CorporationIn Stock: 1024E-TA2012 T 8DB N2 Datasheet

Current PartRFQ

PAT1220-C-10DB-T5

SusumuIn Stock: 1967PAT1220-C-10DB-T5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the E-TA2012 T 8DB N2 is determined by the following critical parameters:

• Package Compatibility: 0805 (2012 Metric) surface-mount format
• Impedance Match: 50-ohm characteristic impedance
• Frequency Coverage: Operating range must encompass or exceed 0 Hz ~ 3 GHz
• Power Handling: Minimum 63mW rating
• Compliance: ROHS3 compliance and MSL 1 rating

The substitute part PAT1220-C-10DB-T5 from Susumu meets these mechanical and electrical compatibility criteria. While the attenuation value differs (10dB versus 8dB), this represents a functional alternative where the higher attenuation can be accommodated through circuit design adjustments.

Parameter Comparison

Engineering Selection Recommendations

The PAT1220-C-10DB-T5 is suitable as a substitute for the E-TA2012 T 8DB N2 based on the following factors:

• Active Product Status: The substitute part is currently in active production, ensuring long-term availability and supply chain stability.
• Regulatory Compliance: Both parts maintain ROHS3 compliance and identical MSL ratings, satisfying environmental and handling requirements.
• Enhanced Performance Margins: The substitute provides higher power handling (100mW versus 63mW) and extended frequency coverage (10 GHz versus 3 GHz), offering improved operational headroom.
• Package Compatibility: Identical 0805 (2012 Metric) footprint enables direct PCB layout compatibility without redesign.
• Impedance Matching: Both parts maintain 50-ohm impedance, preserving RF circuit performance characteristics.

Circuit design must account for the 2dB attenuation difference when substituting this part.

Frequently Asked Questions (FAQ)

Q: Can the PAT1220-C-10DB-T5 be used as a direct replacement for the E-TA2012 T 8DB N2?

A: The PAT1220-C-10DB-T5 is mechanically and electrically compatible in terms of package format, impedance, and compliance standards. However, the 10dB attenuation versus 8dB requires circuit design verification to confirm the additional 2dB loss is acceptable for the application.

Q: What is the primary reason for seeking a substitute?

A: The E-TA2012 T 8DB N2 is classified as obsolete. The PAT1220-C-10DB-T5 is an active product with confirmed inventory availability.

Q: Are there any packaging differences between these parts?

A: Both parts use the 0805 (2012 Metric) surface-mount package. The E-TA2012 T 8DB N2 is supplied in standard packaging, while the PAT1220-C-10DB-T5 is available in Tape & Reel (TR) format, which is standard for high-volume manufacturing.

Q: Do both parts meet the same environmental and compliance standards?

A: Yes. Both parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity ratings, meeting identical regulatory requirements.

Q: What is the frequency range difference, and does it matter?

A: The substitute part operates to 10 GHz compared to 3 GHz for the original part. For applications limited to 3 GHz or below, this extended range provides additional performance margin without negative impact.