Equivalent & Substitute Parts for TNPW0805549RBEEA

Part Overview

The TNPW0805549RBEEA is a 549 Ohm ±0.1% 0.26W thin film chip resistor in 0805 (2012 Metric) package manufactured by Vishay Dale. This component is actively produced and carries AEC-Q200 automotive qualification with anti-sulfur and moisture-resistant properties. Substitute parts are identified to provide design flexibility, inventory alternatives, and performance optimization options while maintaining electrical and mechanical compatibility within the 0805 package footprint.

Substiute Parts

TNPW0805549RBEEA

Vishay DaleIn Stock: 913TNPW0805549RBEEA Datasheet

Current PartRFQ

TNPU0805549RAZEN00

Vishay DaleIn Stock: 849TNPU0805549RAZEN00 Datasheet

UpgradeRFQ

ERA-6AEB5490V

Panasonic Electronic ComponentsIn Stock: 11222ERA-6AEB5490V Datasheet

DirectRFQ

RT0805BRD07549RL

YAGEOIn Stock: 873RT0805BRD07549RL Datasheet

DirectRFQ

9-2176091-3

TE Connectivity Passive ProductIn Stock: 47679-2176091-3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TNPW0805549RBEEA is determined by the following critical parameters:

• Resistance Value: Must be 549 Ohms
• Package / Case: Must be 0805 (2012 Metric)
• Composition: Must be Thin Film
• Tolerance: ±0.1% or better (tighter tolerance acceptable)
• Power Rating: Must be ≥0.26W (equal or higher power capacity acceptable)
• Operating Temperature Range: Must support -55°C minimum and 175°C maximum, or equivalent automotive range
• RoHS Compliance: ROHS3 Compliant required
• Moisture Sensitivity Level: MSL 1 required

All identified substitute parts meet these core substitution criteria. Variations in temperature coefficient, specific temperature range limits, and additional features (such as anti-sulfur properties) represent secondary differentiators that do not prevent functional substitution.

Parameter Comparison

Engineering Selection Recommendations

TNPU0805549RAZEN00 (Upgrade Option): This Vishay Dale part offers improved tolerance (±0.05% vs ±0.1%) and superior temperature coefficient (±5ppm/°C vs ±25ppm/°C). Both parts carry AEC-Q200 certification. Selection of this upgrade is appropriate when circuit design requires tighter tolerance specifications. Note that the maximum operating temperature is limited to 125°C compared to 175°C for the main part, and power rating is 0.125W versus 0.26W.

ERA-6AEB5490V (Direct Substitute): This Panasonic part maintains ±0.1% tolerance and ±25ppm/°C temperature coefficient matching the main part specifications. AEC-Q200 certification is present. Power rating is 0.125W and maximum operating temperature is 155°C. This part is suitable for direct substitution in applications where the lower power rating and temperature ceiling are acceptable.

RT0805BRD07549RL (Direct Substitute): This YAGEO part matches tolerance (±0.1%) and temperature coefficient (±25ppm/°C) of the main part. Power rating is 0.125W and operating temperature range is -55°C ~ 155°C. AEC-Q200 certification is not listed for this part. Selection requires confirmation that automotive qualification is not a design requirement.

9-2176091-3 (MFR Recommended): This TE Connectivity part maintains ±0.1% tolerance and ±25ppm/°C temperature coefficient. Power rating is 0.25W, approaching the main part specification. Operating temperature range is -55°C ~ 155°C. AEC-Q200 certification is not listed. This part is suitable for applications where automotive qualification is not mandatory and power rating of 0.25W is acceptable.

Frequently Asked Questions (FAQ)

Q: Can TNPU0805549RAZEN00 replace TNPW0805549RBEEA in all applications?

A: TNPU0805549RAZEN00 is electrically compatible for resistance and tolerance. However, the maximum operating temperature is 125°C versus 175°C for the main part, and power dissipation capacity is 0.125W versus 0.26W. Substitution is valid only when circuit operating conditions remain within these lower limits.

Q: What is the difference between the substitute parts in terms of automotive compliance?

A: TNPW0805549RBEEA and TNPU0805549RAZEN00 both carry AEC-Q200 automotive qualification. ERA-6AEB5490V also carries AEC-Q200 certification. RT0805BRD07549RL and 9-2176091-3 do not list AEC-Q200 ratings. For automotive applications requiring AEC-Q200 compliance, selection must be limited to the first three parts.

Q: Are all substitute parts physically compatible with the same PCB footprint?

A: Yes. All parts are packaged in 0805 (2012 Metric) format with identical land pattern dimensions of 0.079" L x 0.049" W (2.00mm x 1.25mm). Height variations range from 0.022" to 0.026" (0.55mm to 0.65mm), which fall within standard PCB assembly tolerances and do not affect footprint compatibility.

Q: Which substitute part offers the best tolerance specification?

A: TNPU0805549RAZEN00 provides ±0.05% tolerance, which is superior to the main part specification of ±0.1%. All other substitutes match the ±0.1% tolerance of the main part.

Q: Can I use a substitute part with lower power rating if my circuit dissipates less power?

A: Yes. If circuit analysis confirms that power dissipation remains below the substitute part's power rating, a lower-rated part is acceptable. For example, if actual power dissipation is 0.10W, any substitute rated 0.125W or higher is suitable. However, design margin should be maintained to account for component aging and tolerance variations.

Q: What is the significance of temperature coefficient differences?

A: Temperature coefficient (ppm/°C) indicates resistance change per degree Celsius. TNPU0805549RAZEN00 has ±5ppm/°C versus ±25ppm/°C for other parts. In circuits sensitive to resistance drift over temperature, the lower coefficient provides better stability. For general applications, this difference is typically negligible.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts carry ROHS3 Compliant status, matching the main part specification.