CT-6EW100 Trimmer Potentiometer - Equivalent & Substitute Parts

Part Overview

The CT-6EW100 is a 10 Ohm, 0.5W through-hole trimmer potentiometer manufactured by Nidec Components Corporation. This cermet-based component features top adjustment with PC pin termination and is designed for applications requiring precision resistance tuning in compact form factors. The part is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts may be required due to supply constraints, regional availability, or specific packaging preferences while maintaining equivalent electrical and mechanical performance.

Substiute Parts

CT-6EW100

Nidec Components CorporationIn Stock: 1168CT-6EW100 Datasheet

Current PartRFQ

3329H-1-101LF

Bourns Inc.In Stock: 12483329H-1-101LF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CT-6EW100 is determined by the following critical parameters:

• Resistance Value: Must match 10 Ohms exactly
• Power Rating: Must be 0.5W or higher
• Tolerance: Must be ±10% or tighter
• Mounting Type: Must be Through Hole
• Termination Style: Must be PC Pins
• Adjustment Type: Must be Top Adjustment
• Resistive Material: Must be Cermet
• Number of Turns: Must be 1 Turn

The substitute part 3329H-1-101LF does not meet the critical substitution criteria. While it shares identical power rating, tolerance, adjustment type, resistive material, mounting type, termination style, and turn count, it specifies 100 Ohms resistance, which deviates from the required 10 Ohm specification. This resistance mismatch disqualifies it as a direct equivalent or substitute for the CT-6EW100.

Parameter Comparison

Engineering Selection Recommendations

Based on the provided specifications, the 3329H-1-101LF from Bourns Inc. is not a suitable substitute for the CT-6EW100. The 10x resistance difference (100 Ohms versus 10 Ohms) represents a fundamental electrical incompatibility that cannot be overlooked in circuit design. Both components share identical compliance certifications (ROHS3), power ratings, tolerance, and mechanical characteristics; however, resistance value is a non-negotiable parameter in component selection.

For applications requiring the CT-6EW100 specification, direct replacement with the same part number is the appropriate selection. If supply of the CT-6EW100 is unavailable, alternative sources should be consulted for equivalent 10 Ohm, 0.5W through-hole trimmer potentiometers with cermet construction and PC pin termination from other manufacturers.

Frequently Asked Questions (FAQ)

Q: Can the 3329H-1-101LF be used in place of the CT-6EW100?

A: No. The 3329H-1-101LF has a resistance value of 100 Ohms, while the CT-6EW100 requires 10 Ohms. This tenfold difference in resistance makes direct substitution impossible without circuit redesign.

Q: What parameters must match for a valid substitute?

A: The resistance value, power rating, mounting type, termination style, adjustment type, and resistive material must all match the CT-6EW100 specification. The 10 Ohm resistance is the primary limiting factor in identifying equivalent parts.

Q: Are there packaging differences between these parts?

A: Yes. The CT-6EW100 is supplied in Bulk packaging with a square form factor (7.00mm x 7.00mm), while the 3329H-1-101LF is supplied in Tube packaging with a round form factor (6.35mm diameter). However, packaging is secondary to the resistance mismatch.

Q: What is the significance of the temperature coefficient difference?

A: The CT-6EW100 has a temperature coefficient of ±250ppm/°C, while the 3329H-1-101LF specifies ±100ppm/°C. The Bourns component exhibits better temperature stability; however, this parameter difference is irrelevant given the resistance incompatibility.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the CT-6EW100 and 3329H-1-101LF are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.