TNP10SC100RFE Equivalent & Substitute Parts

Part Overview

The TNP10SC100RFE is a 100 Ohm, 1% tolerance, 10W through-hole resistor manufactured by Ohmite in TO-126-2 package configuration. This thin film, moisture-resistant component is designed for precision applications requiring low tolerance and non-inductive performance. The part is currently obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

TNP10SC100RFE

OhmiteIn Stock: 1038TNP10SC100RFE Datasheet

Current PartRFQ

AP836 100R J

ARCOLIn Stock: 1746AP836 100R J Datasheet

MFR RecommendedRFQ

TBH25P100RJE

OhmiteIn Stock: 1427TBH25P100RJE Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the TNP10SC100RFE must maintain the following core electrical parameters: 100 Ohm resistance value and 2-terminal configuration. The identified substitutes differ in tolerance, power rating, and package format while preserving the fundamental resistance specification and non-inductive characteristics.

The substitution logic is based on:

• Identical resistance value (100 Ohms)
• Equivalent or higher power dissipation capability
• Non-inductive construction
• Compatible termination count (2 terminals)
• Active or current product status for availability

Parameter Comparison

Engineering Selection Recommendations

TBH25P100RJE is the primary substitute for the TNP10SC100RFE. Both components are manufactured by Ohmite and share identical temperature coefficient (±50ppm/°C), ROHS3 compliance, and moisture-resistant construction. The TBH25P100RJE maintains active product status with higher power dissipation (25W versus 10W), providing design margin for thermal management. The tolerance relaxation from ±1% to ±5% must be evaluated against circuit requirements. Package transition from TO-126-2 to TO-220-2 requires PCB layout modification.

AP836 100R J serves as an alternative substitute with the highest power rating (35W) and extended low-temperature operating range (-65°C). This ARCOL component is RoHS compliant and non-inductive. The ±100ppm/°C temperature coefficient represents a degradation from the original specification and requires assessment for temperature-sensitive applications. TO-220-2 package compatibility matches the TBH25P100RJE.

Both substitutes are currently in active production with confirmed inventory availability, ensuring long-term supply chain viability compared to the obsolete TNP10SC100RFE.

Frequently Asked Questions (FAQ)

Q: Can the TBH25P100RJE directly replace the TNP10SC100RFE without circuit modification?

A: Electrical substitution is valid for applications where ±5% tolerance is acceptable. The resistance value and non-inductive characteristics are preserved. Physical substitution requires PCB layout changes due to TO-126-2 to TO-220-2 package transition. Thermal design must accommodate the different package geometry and heat dissipation characteristics.

Q: What is the impact of tolerance change from ±1% to ±5%?

A: Tolerance relaxation affects circuit accuracy and stability. Applications requiring precision voltage division, reference circuits, or tight impedance matching must evaluate whether ±5% tolerance meets functional requirements. Measurement and testing protocols should confirm acceptable performance margins.

Q: Are both substitute parts RoHS compliant?

A: Yes. TBH25P100RJE is ROHS3 compliant. AP836 100R J is RoHS compliant. Both meet environmental and regulatory requirements for current manufacturing standards.

Q: How does the package change affect thermal performance?

A: TO-220-2 packages provide larger surface area and improved heat dissipation compared to TO-126-2. Both substitute components offer higher power ratings (25W and 35W respectively) than the original 10W specification, enabling better thermal margin in applications with elevated ambient temperatures or continuous power dissipation.

Q: Which substitute is preferred for new designs?

A: TBH25P100RJE is the recommended primary choice for new designs due to manufacturer continuity (Ohmite), matching temperature coefficient, and active product status. AP836 100R J is suitable where maximum power dissipation headroom or extended low-temperature operation is required.