RN731ETTP2000C25 Equivalent & Substitute Parts

Part Overview

The RN731ETTP2000C25 is a 200 Ohm ±0.25% thin film chip resistor in 0402 (1005 Metric) package rated at 0.063W (1/16W). Manufactured by KOA Speer Electronics, Inc., this component is classified as obsolete. Due to its obsolete status, identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

RN731ETTP2000C25

KOA Speer Electronics, Inc.In Stock: 1166RN731ETTP2000C25 Datasheet

Current PartRFQ

RN73R1ETTP2000C25

KOA Speer Electronics, Inc.In Stock: 1051RN73R1ETTP2000C25 Datasheet

DirectRFQ

TNPW0402200RBETD

Vishay DaleIn Stock: 960TNPW0402200RBETD Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the RN731ETTP2000C25 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 200 Ohms
• Package / Case: 0402 (1005 Metric)
• Power rating: 0.063W (1/16W) minimum
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Tolerance: May be equal or tighter (±0.25% or better)
• Operating Temperature Range: May be equal or wider
• Product Status: Active parts are preferred over obsolete
• Compliance certifications: Additional certifications (AEC-Q200, Military) are acceptable enhancements

Two substitute parts meet these criteria:

1. RN73R1ETTP2000C25 (KOA Speer Electronics, Inc.) – Direct equivalent with automotive qualification
2. TNPW0402200RBETD (Vishay Dale) – Enhanced tolerance upgrade with military specification

Parameter Comparison

Engineering Selection Recommendations

RN73R1ETTP2000C25 is the primary substitute for the RN731ETTP2000C25. Both parts are manufactured by KOA Speer Electronics, Inc., share identical electrical specifications, and maintain the same package footprint. The RN73R1ETTP2000C25 is currently in active production status and includes AEC-Q200 automotive qualification, making it suitable for applications requiring automotive-grade reliability. RoHS3 compliance is maintained.

TNPW0402200RBETD is an upgrade substitute offering tighter tolerance (±0.1% versus ±0.25%) and military-grade specifications. This part is manufactured by Vishay Dale and is actively produced. The operating temperature range is narrower (-55°C ~ 125°C versus -55°C ~ 155°C). RoHS non-compliance must be evaluated against design requirements. This part is appropriate for applications where enhanced tolerance precision and military qualification are specified.

Selection between the two substitutes depends on application requirements: choose RN73R1ETTP2000C25 for direct replacement with automotive qualification, or TNPW0402200RBETD when military specifications and tighter tolerance are required.

Frequently Asked Questions (FAQ)

Q: Can RN73R1ETTP2000C25 be used as a direct replacement for RN731ETTP2000C25?

A: Yes. Both parts have identical resistance (200 Ohms), tolerance (±0.25%), power rating (0.063W), package (0402), composition (thin film), temperature coefficient (±25ppm/°C), and operating temperature range (-55°C ~ 155°C). The RN73R1ETTP2000C25 is the active production equivalent.

Q: What is the difference between RN73R1ETTP2000C25 and TNPW0402200RBETD?

A: The primary differences are manufacturer (KOA Speer vs. Vishay Dale), tolerance (±0.25% vs. ±0.1%), certifications (AEC-Q200 automotive vs. military), operating temperature range (-55°C ~ 155°C vs. -55°C ~ 125°C), and RoHS compliance status (ROHS3 compliant vs. non-compliant).

Q: Can TNPW0402200RBETD replace RN731ETTP2000C25 in all applications?

A: TNPW0402200RBETD meets all mandatory electrical and mechanical parameters. However, the narrower operating temperature range (-55°C ~ 125°C) and RoHS non-compliance status must be evaluated against specific application requirements before selection.

Q: Are all substitute parts in the same 0402 package?

A: Yes. All three parts use the 0402 (1005 Metric) package with identical footprint dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm).

Q: What does MSL 1 (Unlimited) mean for these resistors?

A: Moisture Sensitivity Level 1 indicates the lowest moisture sensitivity classification. These parts have unlimited shelf life and do not require special moisture-controlled storage or handling procedures.