TL88K100R Equivalent & Substitute Parts

Part Overview

The TL88K100R is a 100 Ohms ±10% 114W thick film chassis mount resistor manufactured by Ohmite, designed for high-power applications requiring aluminum housing with flanged mounting. The part is currently classified as obsolete, making identification of compatible substitutes essential for ongoing system support and component procurement. The TL88K100R operates across a temperature range of -40°C to 125°C with a temperature coefficient of ±250ppm/°C, suitable for industrial and demanding thermal environments.

Substiute Parts

TL88K100R

OhmiteIn Stock: 803TL88K100R Datasheet

Current PartRFQ

TL88K100RE

OhmiteIn Stock: 908TL88K100RE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TL88K100R is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical resistance value (100 Ohms), tolerance (±10%), power rating (114W), composition (thick film), temperature coefficient (±250ppm/°C), operating temperature range (-40°C to 125°C), housing material (aluminum), mounting configuration (flanges), lead style (quick connects, 0.250"), and physical dimensions (3.465" L x 1.012" W / 88.00mm x 25.70mm). These parameters define the functional and physical compatibility required for direct substitution in existing designs and assemblies.

Parameter Comparison

Engineering Selection Recommendations

The TL88K100RE is the direct equivalent substitute for the obsolete TL88K100R. Both parts are manufactured by Ohmite and share identical electrical specifications and mechanical dimensions. The primary distinction is product status: the TL88K100R is obsolete while the TL88K100RE is active and currently in production. Additionally, the TL88K100RE achieves ROHS3 compliance, whereas the TL88K100R is RoHS non-compliant. For new designs and ongoing procurement, the TL88K100RE is the appropriate selection. For legacy system maintenance where the original TL88K100R specification must be preserved, the TL88K100RE provides full functional and physical compatibility while offering improved regulatory compliance and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the TL88K100RE directly replace the TL88K100R in existing assemblies?

A: Yes. The TL88K100RE is electrically and mechanically identical to the TL88K100R across all specified parameters, including resistance, tolerance, power rating, temperature coefficient, operating range, housing material, mounting configuration, lead style, and physical dimensions.

Q: What is the primary reason to substitute the TL88K100R?

A: The TL88K100R is classified as obsolete. The TL88K100RE is the active equivalent part from the same manufacturer, ensuring continued availability and supply chain support.

Q: Are there compliance differences between these parts?

A: Yes. The TL88K100RE is ROHS3 compliant, while the TL88K100R is RoHS non-compliant. For applications subject to RoHS regulations, the TL88K100RE is required.

Q: Do the parts differ in packaging?

A: The TL88K100R packaging designation is not specified. The TL88K100RE is supplied in bulk packaging. Both parts are module-type packages with identical physical dimensions.

Q: Are there inventory considerations for these parts?

A: The TL88K100R has 710 pieces in stock (obsolete status). The TL88K100RE has 823 pieces in stock and is actively produced, providing greater long-term availability.