9T08052A3003DAHFT Equivalent & Substitute Parts

Part Overview

The 9T08052A3003DAHFT is a 300 kOhms ±0.5% 0.125W thin film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This component is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this resistor specification.

Substiute Parts

9T08052A3003DAHFT

YAGEOIn Stock: 12049T08052A3003DAHFT Datasheet

Current PartRFQ

RT0805DRD07300KL

YAGEOIn Stock: 1125RT0805DRD07300KL Datasheet

DirectRFQ

TNPW0805300KBETA

Vishay DaleIn Stock: 1037TNPW0805300KBETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 9T08052A3003DAHFT are qualified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Compatibility Criteria:

• Resistance value: 300 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Power rating: 0.125W minimum (equal or greater acceptable)
• Composition: Thin Film (required for performance characteristics)
• Moisture Sensitivity Level: 1 (Unlimited) (equal or lower acceptable)

Tolerance and Temperature Coefficient Considerations: Substitute parts may have improved tolerance specifications (±0.1% vs. ±0.5%) and lower temperature coefficients (±25ppm/°C vs. ±100ppm/°C). These represent performance enhancements and do not compromise compatibility with the original design intent.

Operating Temperature Range: Substitute parts must support the minimum operating temperature range of -55°C ~ 125°C. The original part specification of -55°C ~ 155°C represents the upper limit; substitutes meeting or exceeding this range are acceptable.

Parameter Comparison

Engineering Selection Recommendations

RT0805DRD07300KL (Direct Substitute): This part maintains identical electrical specifications (300 kOhms ±0.5%, 0.125W) and package configuration. The primary advantage is active product status with ROHS3 compliance, addressing regulatory requirements. The improved temperature coefficient (±25ppm/°C vs. ±100ppm/°C) provides enhanced stability without design modification. This represents the preferred direct replacement for the obsolete 9T08052A3003DAHFT.

TNPW0805300KBETA (Upgrade Substitute): This part offers superior tolerance specification (±0.1% vs. ±0.5%) and military-grade thin film construction. It maintains the same package and power rating. The operating temperature range (-55°C ~ 125°C) is narrower than the original specification but remains suitable for standard industrial applications. Selection of this part is appropriate when enhanced precision is required or when military-grade reliability is specified. Note: RoHS non-compliant status requires evaluation against design requirements.

Frequently Asked Questions (FAQ)

Q: Can RT0805DRD07300KL be used as a direct replacement for 9T08052A3003DAHFT? A: Yes. Both parts share identical resistance (300 kOhms), tolerance (±0.5%), power rating (0.125W), and package (0805). The RT0805DRD07300KL is an active product with improved temperature coefficient performance and ROHS3 compliance.

Q: What is the difference between the direct substitute and the upgrade substitute? A: RT0805DRD07300KL maintains the original ±0.5% tolerance specification. TNPW0805300KBETA provides tighter tolerance (±0.1%) and military-grade construction, suitable for precision applications. Both are electrically compatible with the original design.

Q: Are there package compatibility concerns when substituting these parts? A: No. All three parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm). PCB layout and assembly processes require no modification.

Q: Does the improved temperature coefficient of substitute parts affect circuit performance? A: The lower temperature coefficient (±25ppm/°C vs. ±100ppm/°C) in substitute parts represents improved stability across temperature variations. This enhancement does not compromise compatibility and may improve overall circuit performance in temperature-sensitive applications.

Q: What compliance considerations apply to these substitutes? A: RT0805DRD07300KL is ROHS3 compliant, addressing modern regulatory requirements. TNPW0805300KBETA is RoHS non-compliant. Design requirements and end-market regulations determine which substitute is appropriate for your application.

Q: Is the narrower operating temperature range of TNPW0805300KBETA (-55°C ~ 125°C) a limitation? A: The operating range of -55°C ~ 125°C is suitable for standard industrial and commercial applications. If your design requires operation above 125°C, RT0805DRD07300KL (-55°C ~ 155°C) is the appropriate selection.