Equivalent & Substitute Parts for 9T08052A3243DBHFT

Part Overview

The 9T08052A3243DBHFT is a 324 kOhms ±0.5% 0.125W thin film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This part is classified as obsolete, making identification of suitable alternatives necessary for ongoing production and design requirements. The part operates across -55°C to 155°C and is available in bulk inventory (1102 pcs in stock).

Substiute Parts

9T08052A3243DBHFT

YAGEOIn Stock: 11179T08052A3243DBHFT Datasheet

Current PartRFQ

RT0805DRE07324KL

YAGEOIn Stock: 1083RT0805DRE07324KL Datasheet

DirectRFQ

TNPW0805324KBETA

Vishay DaleIn Stock: 955TNPW0805324KBETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 9T08052A3243DBHFT is determined by the following critical parameters:

• Resistance Value: Must be 324 kOhms (exact match required)
• Package Type: Must be 0805 (2012 Metric) for PCB compatibility
• Power Rating: Must be minimum 0.125W (1/8W)
• Composition: Thin film construction required for performance characteristics
• Tolerance: ±0.5% or better acceptable
• Temperature Coefficient: Lower values indicate superior stability
• Operating Temperature Range: Must encompass or match -55°C ~ 155°C minimum

Two substitute parts meet these criteria:

1. RT0805DRE07324KL (YAGEO) – Direct manufacturer equivalent with improved temperature coefficient (±50ppm/°C vs ±100ppm/°C) and active product status
2. TNPW0805324KBETA (Vishay Dale) – Upgrade option with enhanced tolerance (±0.1% vs ±0.5%) and military-grade specifications

Parameter Comparison

Engineering Selection Recommendations

RT0805DRE07324KL is the primary direct substitute. It maintains identical electrical specifications (324 kOhms, ±0.5% tolerance, 0.125W) and package format while offering improved temperature coefficient performance (±50ppm/°C). The part carries active product status and ROHS3 compliance, making it suitable for new designs and production transitions from the obsolete 9T08052A3243DBHFT.

TNPW0805324KBETA serves as an upgrade option for applications requiring enhanced tolerance accuracy (±0.1%) and superior temperature stability (±25ppm/°C). This military-grade component is active and available. Note that the operating temperature range is limited to -55°C ~ 125°C, which is narrower than the original part's -55°C ~ 155°C specification. This part is suitable only for applications where the upper temperature limit does not exceed 125°C.

Frequently Asked Questions (FAQ)

Q: Can RT0805DRE07324KL be used as a direct replacement for 9T08052A3243DBHFT?

A: Yes. Both parts share identical resistance (324 kOhms), tolerance (±0.5%), power rating (0.125W), and package format (0805). The RT0805DRE07324KL offers superior temperature coefficient performance and active product status, making it the recommended direct substitute.

Q: What are the limitations of TNPW0805324KBETA as a substitute?

A: The TNPW0805324KBETA has a maximum operating temperature of 125°C, compared to the original part's 155°C upper limit. Applications requiring operation above 125°C must use RT0805DRE07324KL or the original part. The TNPW0805324KBETA is suitable only for designs with maximum operating temperatures at or below 125°C.

Q: Are there package compatibility concerns between these substitutes?

A: No. All three parts use the 0805 (2012 Metric) package format with identical footprints (0.079" L x 0.049" W / 2.00mm x 1.25mm). PCB layout and assembly processes require no modification.

Q: How do tolerance differences affect circuit performance?

A: The original 9T08052A3243DBHFT and RT0805DRE07324KL both specify ±0.5% tolerance, ensuring equivalent resistance accuracy. TNPW0805324KBETA provides ±0.1% tolerance, offering tighter resistance control suitable for precision applications. Selection depends on circuit tolerance requirements.

Q: What is the significance of temperature coefficient values?

A: Temperature coefficient indicates resistance change per degree Celsius. Lower values indicate greater stability across temperature ranges. The 9T08052A3243DBHFT (±100ppm/°C) exhibits the highest drift, RT0805DRE07324KL (±50ppm/°C) provides intermediate stability, and TNPW0805324KBETA (±25ppm/°C) offers the best temperature stability. Selection depends on circuit sensitivity to resistance variation over temperature.

Q: What is the impact of RoHS compliance status?

A: RT0805DRE07324KL carries ROHS3 compliance, meeting current environmental and regulatory requirements for new designs and markets with RoHS mandates. The original 9T08052A3243DBHFT and TNPW0805324KBETA are non-compliant. Compliance requirements should be evaluated based on target markets and customer specifications.