TNPW0805499RBETA Equivalent & Substitute Parts

Part Overview

The TNPW0805499RBETA is a 499 Ohm ±0.1% thin film chip resistor in 0805 (2012 Metric) package format, rated for 0.125W (1/8W) power dissipation. This military-grade component operates across -55°C to 125°C with a temperature coefficient of ±25ppm/°C. The part is currently active in production and available in tape & reel packaging. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the allowed parameter tolerances for this resistor category.

Substiute Parts

TNPW0805499RBETA

Vishay DaleIn Stock: 840TNPW0805499RBETA Datasheet

Current PartRFQ

TNPW0805499RBEEA

Vishay DaleIn Stock: 5235TNPW0805499RBEEA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TNPW0805499RBETA is determined by the following critical parameters:

• Resistance value: 499 Ohms (exact match required)
• Tolerance: ±0.1% (exact match required)
• Package / Case: 0805 (2012 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Temperature Coefficient: ±25ppm/°C (exact match required)
• Number of Terminations: 2 (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Substitute parts must maintain these electrical and mechanical specifications. Power rating and operating temperature range may exceed the original part specifications while remaining compatible with the same footprint and electrical characteristics.

Parameter Comparison

Engineering Selection Recommendations

The TNPW0805499RBEEA serves as a direct electrical and mechanical substitute for the TNPW0805499RBETA. Both parts share identical resistance, tolerance, temperature coefficient, package dimensions, and termination configuration. The substitute part offers enhanced specifications including higher power rating (0.26W versus 0.125W) and extended operating temperature range (-55°C to 175°C versus -55°C to 125°C).

The TNPW0805499RBEEA includes additional features: anti-sulfur coating, automotive AEC-Q200 qualification, and moisture-resistant construction. This part achieves ROHS3 compliance, whereas the original part is RoHS non-compliant. Selection between these parts depends on application requirements for compliance certifications and environmental performance specifications.

Frequently Asked Questions (FAQ)

Q: Can TNPW0805499RBEEA replace TNPW0805499RBETA in existing designs?

A: Yes. Both parts maintain identical electrical specifications (499 Ohms ±0.1%, ±25ppm/°C temperature coefficient) and mechanical compatibility (0805 package, 2.00mm x 1.25mm footprint, 2 terminations). The substitute part's higher power rating and extended temperature range do not create compatibility issues in applications designed for the original part.

Q: What are the key differences between these parts?

A: The primary differences are power rating (0.26W versus 0.125W), operating temperature range (-55°C to 175°C versus -55°C to 125°C), RoHS compliance status (ROHS3 Compliant versus RoHS non-compliant), and additional features (anti-sulfur, AEC-Q200, moisture-resistant in the substitute).

Q: Are both parts available in the same packaging format?

A: Yes. Both TNPW0805499RBETA and TNPW0805499RBEEA are supplied in tape & reel (TR) packaging with identical 0805 (2012 Metric) package specifications and physical dimensions.

Q: Does the higher power rating of TNPW0805499RBEEA affect circuit performance?

A: No. Power rating is a maximum specification. The substitute part dissipates the same power as the original part when operating at identical voltage and current levels. The higher rating provides additional thermal margin without affecting electrical behavior.

Q: What compliance considerations apply to part selection?

A: The TNPW0805499RBEEA is ROHS3 compliant and REACH unaffected, whereas the TNPW0805499RBETA is RoHS non-compliant and REACH affected. Applications requiring RoHS or REACH compliance must use the substitute part.