Equivalent & Substitute Parts for 9T06031A64R9DAHFT

Part Overview

The 9T06031A64R9DAHFT is a 64.9 Ohms ±0.5% thin film chip resistor in 0603 (1608 Metric) package rated at 0.1W (1/10W) power dissipation. This part is classified as obsolete, making identification of suitable alternatives necessary for ongoing production and maintenance applications. The resistor operates across a temperature range of -55°C to 155°C and features a temperature coefficient of ±100ppm/°C. Direct substitutes and upgraded alternatives are available from the same manufacturer and qualified suppliers.

Substiute Parts

9T06031A64R9DAHFT

YAGEOIn Stock: 8509T06031A64R9DAHFT Datasheet

Current PartRFQ

RT0603DRD0764R9L

YAGEOIn Stock: 987RT0603DRD0764R9L Datasheet

DirectRFQ

TNPW060364R9BETA

Vishay DaleIn Stock: 1061TNPW060364R9BETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 9T06031A64R9DAHFT is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 64.9 Ohms
• Package / Case: 0603 (1608 Metric)
• Power rating: 0.1W (1/10W) minimum
• Composition: Thin Film
• Number of Terminations: 2
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variations:

• Tolerance: ±0.5% or tighter (±0.1% acceptable as upgrade)
• Temperature Coefficient: ±100ppm/°C or better
• Operating Temperature Range: Must support -55°C minimum; upper limit of 125°C or higher acceptable
• Product Status: Active preferred; obsolete acceptable if parameters match
• RoHS Compliance: May differ from original
• Packaging format: Tape & Reel acceptable for manufacturing environments

Two substitute parts meet these criteria: RT0603DRD0764R9L (direct equivalent from YAGEO) and TNPW060364R9BETA (upgraded alternative from Vishay Dale with improved tolerance).

Parameter Comparison

Engineering Selection Recommendations

RT0603DRD0764R9L (YAGEO) is the direct equivalent substitute. This part maintains identical electrical specifications (64.9 Ohms ±0.5%) and physical dimensions while offering active product status and ROHS3 compliance. The improved temperature coefficient (±25ppm/°C versus ±100ppm/°C) provides enhanced stability. This part is suitable for direct replacement in all applications where the original 9T06031A64R9DAHFT was specified.

TNPW060364R9BETA (Vishay Dale) is an upgraded alternative offering superior tolerance (±0.1% versus ±0.5%) and equivalent temperature coefficient performance (±25ppm/°C). This military-grade thin film resistor is appropriate for applications requiring tighter tolerance control. The operating temperature range extends to 125°C (versus 155°C on the original), which is acceptable for most standard industrial applications. REACH status differs from the original part.

Selection between these substitutes depends on tolerance requirements and compliance specifications for the target application.

Frequently Asked Questions (FAQ)

Q: Can RT0603DRD0764R9L be used as a direct replacement for 9T06031A64R9DAHFT?

A: Yes. Both parts share identical resistance (64.9 Ohms), tolerance (±0.5%), power rating (0.1W), package (0603), and physical dimensions. The substitute offers improved temperature coefficient and active product status.

Q: What is the difference between the two substitute parts?

A: RT0603DRD0764R9L maintains the original ±0.5% tolerance specification, while TNPW060364R9BETA offers tighter ±0.1% tolerance. Both feature ±25ppm/°C temperature coefficient. TNPW060364R9BETA is military-grade and has a maximum operating temperature of 125°C compared to 155°C for the other options.

Q: Are there physical compatibility concerns with TNPW060364R9BETA?

A: The width dimension differs slightly (0.85mm versus 0.80mm), but both parts maintain the same 0603 package classification and height (0.55mm maximum). This minor dimensional variation is within standard PCB design tolerances for 0603 components.

Q: Does RoHS compliance matter for my application?

A: RoHS compliance depends on your end-use requirements and regional regulations. RT0603DRD0764R9L is ROHS3 compliant, while the original and TNPW060364R9BETA are non-compliant. Verify compliance requirements for your specific application.

Q: What is the temperature coefficient and why does it matter?

A: Temperature coefficient measures resistance change per degree Celsius. The original part has ±100ppm/°C; both substitutes offer ±25ppm/°C. Lower values indicate better stability across temperature variations, beneficial for precision circuits.

Q: Can I use TNPW060364R9BETA in applications requiring the full -55°C to 155°C range?

A: TNPW060364R9BETA operates from -55°C to 125°C. If your application requires operation above 125°C, use RT0603DRD0764R9L or the original part instead.