9T08052A90R9DAHFT Equivalent & Substitute Parts

Part Overview

The 9T08052A90R9DAHFT is a 90.9 Ohm ±0.5% thin film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W). Manufactured by YAGEO under the RT series, this component is classified as obsolete. Due to its obsolete status, identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

9T08052A90R9DAHFT

YAGEOIn Stock: 9319T08052A90R9DAHFT Datasheet

Current PartRFQ

RT0805DRD0790R9L

YAGEOIn Stock: 947RT0805DRD0790R9L Datasheet

DirectRFQ

TNPW080590R9BETA

Vishay DaleIn Stock: 1132TNPW080590R9BETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 9T08052A90R9DAHFT is determined by the following critical parameters:

• Resistance value: 90.9 Ohms (exact match required)
• Tolerance: ±0.5% or better (tighter tolerance acceptable)
• Power rating: 0.125W minimum (equal or higher acceptable)
• Package: 0805 (2012 Metric) form factor (physical compatibility required)
• Composition: Thin film construction (maintains electrical characteristics)
• Operating temperature range: Must encompass -55°C to 155°C or be compatible with application requirements
• Moisture sensitivity: MSL 1 or equivalent (no additional handling required)

Two substitute parts meet these criteria:

Direct Equivalent: RT0805DRD0790R9L (YAGEO) — Active status, identical electrical specifications with improved temperature coefficient.

Upgrade Alternative: TNPW080590R9BETA (Vishay Dale) — Active status, tighter tolerance (±0.1%), military-grade construction, with modified operating temperature range (-55°C to 125°C).

Parameter Comparison

Engineering Selection Recommendations

RT0805DRD0790R9L is the primary direct equivalent for 9T08052A90R9DAHFT replacement. Both components share identical electrical specifications (90.9 Ohms, ±0.5% tolerance, 0.125W power rating) and identical operating temperature range (-55°C to 155°C). RT0805DRD0790R9L offers improved temperature coefficient performance (±25ppm/°C versus ±100ppm/°C) and holds active product status with ROHS3 compliance, making it suitable for new designs and production continuity.

TNPW080590R9BETA serves as an upgrade alternative when enhanced tolerance performance (±0.1%) is required. This Vishay Dale military-grade component provides superior tolerance specification and improved temperature coefficient. However, its operating temperature range is limited to -55°C to 125°C, which may not accommodate applications requiring the full 155°C upper limit of the original part. TNPW080590R9BETA maintains active status but is RoHS non-compliant and REACH-affected.

Selection between RT0805DRD0790R9L and TNPW080590R9BETA depends on application temperature requirements and regulatory compliance needs. For applications operating within -55°C to 125°C with tolerance-critical circuits, TNPW080590R9BETA is appropriate. For applications requiring the full -55°C to 155°C range or RoHS3 compliance, RT0805DRD0790R9L is the appropriate choice.

Frequently Asked Questions (FAQ)

Q: Can RT0805DRD0790R9L be used as a direct replacement for 9T08052A90R9DAHFT?

A: Yes. Both components have identical resistance (90.9 Ohms), tolerance (±0.5%), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). RT0805DRD0790R9L is electrically and mechanically compatible and is the recommended direct substitute.

Q: What is the difference between the temperature coefficients of these parts?

A: The 9T08052A90R9DAHFT has a temperature coefficient of ±100ppm/°C, while both RT0805DRD0790R9L and TNPW080590R9BETA have ±25ppm/°C. Lower temperature coefficient indicates better stability across temperature variations. This improvement in RT0805DRD0790R9L and TNPW080590R9BETA enhances circuit performance without introducing incompatibility.

Q: Is TNPW080590R9BETA suitable for all applications using 9T08052A90R9DAHFT?

A: TNPW080590R9BETA is suitable only for applications operating within -55°C to 125°C. The original part supports -55°C to 155°C. If your application requires operation above 125°C, TNPW080590R9BETA is not appropriate; use RT0805DRD0790R9L instead.

Q: What are the packaging differences among these three parts?

A: The 9T08052A90R9DAHFT is supplied in bulk packaging. Both RT0805DRD0790R9L and TNPW080590R9BETA are supplied in Tape & Reel (TR) format, which is standard for automated assembly. All three maintain identical 0805 (2012 Metric) physical dimensions and are mechanically interchangeable.

Q: Does tolerance difference affect circuit performance?

A: TNPW080590R9BETA offers ±0.1% tolerance compared to ±0.5% for the original part and RT0805DRD0790R9L. Tighter tolerance reduces resistance variation and improves circuit precision. This is beneficial for precision analog circuits but may not be necessary for general-purpose applications.

Q: Are there RoHS compliance considerations for these substitutes?

A: RT0805DRD0790R9L is ROHS3 compliant, making it suitable for applications with RoHS requirements. The original 9T08052A90R9DAHFT and TNPW080590R9BETA are both RoHS non-compliant. For new designs subject to RoHS regulations, RT0805DRD0790R9L is the appropriate choice.