TNPW0603154KBETA Equivalent & Substitute Parts

Part Overview

The TNPW0603154KBETA is a 154 kOhms ±0.1% thin film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Vishay Dale, 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 with 1067 units in stock. Substitute parts may be required due to inventory constraints, application-specific performance requirements, or compliance needs for automotive or moisture-resistant applications.

Substiute Parts

TNPW0603154KBETA

Vishay DaleIn Stock: 1091TNPW0603154KBETA Datasheet

Current PartRFQ

TNPW0603154KBEEA

Vishay DaleIn Stock: 17208TNPW0603154KBEEA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TNPW0603154KBETA is determined by the following critical parameters:

• Resistance value: 154 kOhms (exact match required)
• Tolerance: ±0.1% (exact match required)
• Package type: 0603 (1608 Metric) (exact match required)
• Composition: Thin Film (exact match required)
• Temperature coefficient: ±25ppm/°C (exact match required)
• Number of terminations: 2 (exact match required)

The substitute part TNPW0603154KBEEA meets all critical substitution criteria. Variations in power rating (0.1W vs. 0.21W), operating temperature range (-55°C to 125°C vs. -55°C to 175°C), and additional features (anti-sulfur, automotive AEC-Q200, moisture resistant) do not preclude substitution when the application permits higher power ratings and extended temperature performance.

Parameter Comparison

Engineering Selection Recommendations

The TNPW0603154KBEEA serves as a direct electrical and mechanical substitute for the TNPW0603154KBETA. Both parts share identical resistance, tolerance, temperature coefficient, and package specifications. The substitute part offers enhanced compliance status (ROHS3 Compliant vs. RoHS non-compliant) and extended operating temperature range (-55°C to 175°C vs. -55°C to 125°C). The increased power rating (0.21W vs. 0.1W) provides additional thermal margin without affecting circuit performance in applications designed for the original 0.1W specification. Selection between these parts should be based on compliance requirements and thermal environment specifications of the target application.

Frequently Asked Questions (FAQ)

Q: Can TNPW0603154KBEEA replace TNPW0603154KBETA in all applications?

A: Yes, from an electrical and mechanical standpoint. The substitute part maintains identical resistance, tolerance, temperature coefficient, and package dimensions. The higher power rating and extended temperature range provide additional operational margin.

Q: Are there any physical compatibility concerns?

A: No. Both parts use the 0603 (1608 Metric) package with identical termination count and maximum seated height (0.022" / 0.55mm). Dimensional variations (0.063" vs. 0.061" length) are within standard PCB layout tolerances.

Q: What is the significance of the RoHS compliance difference?

A: The TNPW0603154KBEEA is ROHS3 compliant, while the TNPW0603154KBETA is RoHS non-compliant. Selection depends on regulatory requirements for the end application and target market.

Q: Does the higher power rating affect circuit behavior?

A: No. The 0.21W rating of the substitute part is a thermal capability specification. In circuits designed for 0.1W dissipation, the substitute will operate identically with lower junction temperature.

Q: Are there differences in temperature performance?

A: The substitute part operates to 175°C maximum versus 125°C for the original. Both maintain ±25ppm/°C temperature coefficient across their respective ranges. Selection should match the application's thermal environment.