TL88K75R0 Equivalent & Substitute Parts

Part Overview

The TL88K75R0 is a 75 Ohms ±10% 114W thick film chassis mount resistor manufactured by Ohmite, designed for high-power applications requiring robust thermal management and mechanical stability. This component features aluminum housing with flanged mounting and quick connect leads rated at 0.250" (6.35mm).

The TL88K75R0 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this resistor specification.

Substiute Parts

TL88K75R0
OhmiteIn Stock: 1117TL88K75R0 Datasheet
TL88K75R0
Current Part
TL88K75R0E
OhmiteIn Stock: 969TL88K75R0E Datasheet
TL88K75R0E
Direct

Key Parameters

Parameter Value
Resistance 75 Ohms
Tolerance ±10%
Power Rating 114W
Composition Thick Film
Temperature Coefficient ±250ppm/°C
Operating Temperature Range -40°C to 125°C
Housing Type Aluminum
Mounting Feature Flanges
Physical Dimensions 3.465" L × 1.012" W (88.00mm × 25.70mm)
Lead Style Quick Connects, 0.250" (6.35mm)
Package Type Module

Substitute Part Grouping Explanation

Substitute parts for the TL88K75R0 are identified based on electrical and mechanical parameter equivalence within the TL series. The substitution criteria are:

  • Resistance value: 75 Ohms
  • Tolerance: ±10%
  • Power rating: 114W
  • Composition: Thick Film
  • Temperature coefficient: ±250ppm/°C
  • Operating temperature range: -40°C to 125°C
  • Housing and mounting: Aluminum with flanges
  • Lead configuration: Quick Connects, 0.250" (6.35mm)
  • Package type: Module

Parts meeting all these parameters are classified as direct substitutes. Packaging format and product status may differ while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Parameter TL88K75R0 (Main) TL88K75R0E (Substitute)
Manufacturer Ohmite Ohmite
Series TL TL
Resistance 75 Ohms 75 Ohms
Tolerance ±10% ±10%
Power Rating 114W 114W
Composition Thick Film Thick Film
Temperature Coefficient ±250ppm/°C ±250ppm/°C
Operating Temperature -40°C to 125°C -40°C to 125°C
Housing Type Aluminum Aluminum
Mounting Feature Flanges Flanges
Dimensions 3.465" L × 1.012" W (88.00mm × 25.70mm) 3.465" L × 1.012" W (88.00mm × 25.70mm)
Lead Style Quick Connects, 0.250" (6.35mm) Quick Connects, 0.250" (6.35mm)
Package Type Module Module
Product Status Obsolete Active
RoHS Status RoHS non-compliant ROHS3 Compliant

Engineering Selection Recommendations

The TL88K75R0E is a direct electrical and mechanical equivalent to the TL88K75R0. Both components share identical resistance, tolerance, power rating, thermal characteristics, and physical form factor. The primary distinction is product status and regulatory compliance.

The TL88K75R0 is obsolete and RoHS non-compliant. The TL88K75R0E is an active product with ROHS3 compliance, making it the appropriate selection for new designs, production continuity, and systems requiring current regulatory adherence. Both parts are suitable for applications requiring 75 Ohm, 114W thick film chassis mount resistors with flanged aluminum housing and quick connect terminations.

Frequently Asked Questions (FAQ)

Q: Can TL88K75R0E replace TL88K75R0 in existing designs?

A: Yes. The TL88K75R0E is electrically and mechanically identical to the TL88K75R0. All electrical parameters, physical dimensions, mounting features, and lead configurations are equivalent. Direct substitution is supported without circuit modification.

Q: What is the difference between TL88K75R0 and TL88K75R0E?

A: The components are electrically and mechanically identical. The TL88K75R0E differs in product status (active versus obsolete) and regulatory compliance (ROHS3 compliant versus RoHS non-compliant). Packaging format also differs: TL88K75R0 is standard packaging, while TL88K75R0E is bulk packaging.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist. Both parts feature identical resistance values, tolerance, power ratings, temperature coefficients, operating temperature ranges, housing materials, mounting configurations, and lead styles. Mechanical fit and electrical performance are fully compatible.

Q: Which part should be selected for new applications?

A: The TL88K75R0E should be selected for new applications. It is an active product with current ROHS3 compliance, ensuring long-term availability and regulatory alignment with modern manufacturing standards.

Q: What are the key parameters that define substitution eligibility?

A: Substitution eligibility is determined by: 75 Ohm resistance value, ±10% tolerance, 114W power rating, thick film composition, ±250ppm/°C temperature coefficient, -40°C to 125°C operating range, aluminum housing with flanges, and 0.250" (6.35mm) quick connect leads in module package configuration.

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