TNPW08052K49FETA Equivalent & Substitute Parts

Part Overview

The TNPW08052K49FETA is a 2.49 kOhms ±1% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. This military-grade thin film resistor operates across -55°C to 125°C with a temperature coefficient of ±25ppm/°C. The part is currently active in production with 686 units in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, design optimization, or application-specific tolerance requirements.

Substiute Parts

TNPW08052K49FETA

Vishay DaleIn Stock: 737TNPW08052K49FETA Datasheet

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TNPW08052K49BECN

Vishay DaleIn Stock: 1698TNPW08052K49BECN Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TNPW08052K49FETA is determined by the following critical parameters:

• Resistance value: 2.49 kOhms (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Power rating: 0.125W minimum (equal or greater acceptable)
• Composition: Thin Film (exact match required)
• Temperature coefficient: ±25ppm/°C (exact match required)
• Operating temperature range: -55°C to 125°C (equal or wider range acceptable)
• Manufacturer series: TNPW (same family)

The TNPW08052K49BECN qualifies as a substitute because it maintains identical resistance, package, power rating, composition, temperature coefficient, and operating temperature specifications. The tolerance specification differs (±0.1% versus ±1%), representing an upgrade in precision capability while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the TNPW08052K49FETA and TNPW08052K49BECN are active production parts from Vishay Dale with identical compliance profiles. The TNPW08052K49BECN offers improved tolerance specification (±0.1% versus ±1%) while maintaining all electrical and mechanical characteristics. Selection between these parts depends on application tolerance requirements and inventory availability. Both parts carry identical RoHS non-compliant and REACH Affected designations, with MSL rating of 1 (Unlimited) for moisture sensitivity.

Frequently Asked Questions (FAQ)

Q: Can TNPW08052K49BECN be used as a direct replacement for TNPW08052K49FETA?

A: Yes. Both parts share identical resistance value (2.49 kOhms), package (0805), power rating (0.125W), composition (thin film), temperature coefficient (±25ppm/°C), and operating temperature range (-55°C to 125°C). The TNPW08052K49BECN provides tighter tolerance (±0.1% versus ±1%), making it suitable for applications requiring higher precision.

Q: Are there any package or footprint differences between these parts?

A: No. Both parts use the 0805 (2012 Metric) package with identical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) and maximum seated height (0.022" / 0.55mm). PCB footprints are interchangeable.

Q: What is the primary difference between these substitute parts?

A: The tolerance specification differs. TNPW08052K49FETA specifies ±1% tolerance, while TNPW08052K49BECN specifies ±0.1% tolerance. All other electrical and mechanical parameters remain identical.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both parts carry identical RoHS non-compliant and REACH Affected designations. Moisture sensitivity level is 1 (Unlimited) for both parts.

Q: Are there inventory differences between these parts?

A: Yes. TNPW08052K49FETA has 686 units in stock, while TNPW08052K49BECN has 1631 units in stock.