Equivalent & Substitute Parts for 9T08052A3402DBHFT

Part Overview

The 9T08052A3402DBHFT is a 34 kOhms ±0.5% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This thin film resistor operates across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is currently obsolete, necessitating identification of equivalent and upgraded alternatives for ongoing production and maintenance applications.

Substiute Parts

9T08052A3402DBHFT

YAGEOIn Stock: 11899T08052A3402DBHFT Datasheet

Current PartRFQ

RT0805DRE0734KL

YAGEOIn Stock: 1064RT0805DRE0734KL Datasheet

DirectRFQ

TNPW080534K0BETA

Vishay DaleIn Stock: 1116TNPW080534K0BETA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 9T08052A3402DBHFT is determined by the following critical parameters:

• Resistance Value: 34 kOhms (exact match required)
• Tolerance: ±0.5% or better (tighter tolerance acceptable)
• Power Rating: 0.125W minimum (1/8W)
• Package: 0805 (2012 Metric) form factor
• Composition: Thin film construction
• Operating Temperature: Minimum -55°C to 155°C coverage

Two substitute categories are identified:

Direct Equivalent: RT0805DRE0734KL (YAGEO) maintains identical electrical specifications with improved temperature coefficient and active product status.

Upgraded Alternative: TNPW080534K0BETA (Vishay Dale) provides superior tolerance (±0.1% vs ±0.5%), lower temperature coefficient (±25ppm/°C vs ±100ppm/°C), and military-grade construction, with trade-off of slightly reduced upper operating temperature (125°C vs 155°C).

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: RT0805DRE0734KL is the primary equivalent. It maintains identical electrical performance across the full operating temperature range, offers active product status with ROHS3 compliance, and is available in standard Tape & Reel packaging for production environments.

For Enhanced Performance Applications: TNPW080534K0BETA provides superior tolerance and temperature stability with military-grade specifications. Selection of this upgrade is appropriate when circuit design requires tighter tolerance control or lower temperature coefficient drift. Note that the maximum operating temperature is limited to 125°C; applications requiring operation above this threshold must use RT0805DRE0734KL or the original part.

For RoHS Compliance Requirements: RT0805DRE0734KL is the only substitute meeting ROHS3 compliance. The original 9T08052A3402DBHFT and TNPW080534K0BETA are both non-compliant.

Frequently Asked Questions (FAQ)

Q: Can RT0805DRE0734KL be used as a direct drop-in replacement for 9T08052A3402DBHFT?

A: Yes. Both parts share identical resistance (34 kOhms), tolerance (±0.5%), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). The 0805 package dimensions are identical, enabling direct PCB substitution.

Q: What is the primary advantage of TNPW080534K0BETA over the direct equivalent?

A: TNPW080534K0BETA offers tighter tolerance (±0.1% vs ±0.5%) and superior temperature coefficient (±25ppm/°C vs ±100ppm/°C), resulting in improved frequency stability and reduced drift over temperature. This is beneficial for precision analog circuits and frequency-dependent applications.

Q: Are there temperature limitations when using TNPW080534K0BETA?

A: Yes. TNPW080534K0BETA is rated to 125°C maximum, compared to 155°C for both the original part and RT0805DRE0734KL. Applications requiring operation above 125°C must use RT0805DRE0734KL.

Q: Which substitute meets RoHS compliance?

A: Only RT0805DRE0734KL carries ROHS3 compliance certification. Both the original 9T08052A3402DBHFT and TNPW080534K0BETA are RoHS non-compliant.

Q: Are packaging formats interchangeable?

A: All three parts use identical 0805 (2012 Metric) package geometry. The original part is supplied in bulk; both substitutes are available in Tape & Reel (TR) format, which is standard for production assembly. No design changes are required.

Q: What is the moisture sensitivity level for these parts?

A: All three parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage or handling.