FT-63EP100 Trimmer Potentiometer - Equivalent & Substitute Parts

Part Overview

The FT-63EP100 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 variable resistance in compact form factors. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts may be required due to inventory constraints, regional availability, or specific application requirements where alternative resistance values or form factors are acceptable within system design parameters.

Substiute Parts

FT-63EP100

Nidec Components CorporationIn Stock: 1162FT-63EP100 Datasheet

Current PartRFQ

3329H-1-101LF

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

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The Bourns 3329H-1-101LF is identified as a substitute for the FT-63EP100 based on the following allowable parameter alignment:

Matching Parameters:

• Power Rating: 0.5W (1/2W) — identical electrical capability
• Tolerance: ±10% — equivalent precision class
• Number of Turns: 1 — same adjustment range classification
• Adjustment Type: Top Adjustment — identical user interface
• Resistive Material: Cermet — same technology platform
• Mounting Type: Through Hole — compatible PCB integration
• Termination Style: PC Pins — direct footprint compatibility
• RoHS3 Compliance: Both parts meet the same environmental standard
• HTSUS Classification: 8533.40.8050 — same commodity code

Differing Parameters:

• Resistance: 3329H-1-101LF is 100 Ohms (vs. 10 Ohms for FT-63EP100) — substitution valid only where circuit design permits 10x resistance value
• Temperature Coefficient: ±100ppm/°C (vs. ±150ppm/°C) — superior thermal stability in substitute
• Physical Size: Round 0.250" Dia (vs. Square 0.276" x 0.276") — different footprint geometry
• Packaging: Tube (vs. Bulk) — different supply format
• REACH Status: Affected (vs. Unaffected) — regulatory classification difference

Parameter Comparison

Engineering Selection Recommendations

Both the FT-63EP100 and 3329H-1-101LF maintain Active product status with full RoHS3 compliance and EAR99 export classification. Selection between these parts depends on circuit-specific requirements:

Select FT-63EP100 when:

• 10 Ohm resistance value is required by circuit design
• Higher temperature coefficient tolerance (±150ppm/°C) is acceptable
• Square footprint geometry fits PCB layout constraints
• Bulk packaging format aligns with procurement workflow
• Unlimited MSL rating is required for extended storage or humid environments

Select 3329H-1-101LF when:

• Circuit design permits 100 Ohm resistance substitution
• Superior temperature stability (±100ppm/°C) is beneficial
• Round footprint geometry accommodates available PCB space
• Tube packaging format is preferred for supply chain integration
• REACH Affected status is acceptable for the application region

Both parts share identical electrical performance characteristics (0.5W power rating, ±10% tolerance, 1-turn adjustment, cermet technology, top adjustment, PC pin termination) and comply with the same commodity classification (HTSUS 8533.40.8050).

Frequently Asked Questions (FAQ)

Q: Can the 3329H-1-101LF directly replace the FT-63EP100 without circuit modification?

A: Direct replacement is not recommended without circuit analysis. The 3329H-1-101LF has a 100 Ohm resistance value compared to the FT-63EP100's 10 Ohms. This 10x difference will alter circuit behavior. Substitution is valid only if the application circuit design permits this resistance change or if the trimmer potentiometer is used in a configuration where absolute resistance value is not critical to function.

Q: Are the physical dimensions compatible?

A: No. The FT-63EP100 uses a square footprint (0.276" x 0.276"), while the 3329H-1-101LF uses a round footprint (0.250" diameter). PCB layout verification is required before substitution to confirm the alternative form factor fits available mounting space.

Q: Do both parts meet the same compliance standards?

A: Both parts are RoHS3 compliant and share the same HTSUS commodity code (8533.40.8050). However, the FT-63EP100 is REACH Unaffected, while the 3329H-1-101LF is REACH Affected. Verify REACH compliance requirements for your specific application region before substitution.

Q: What is the difference in temperature stability between these parts?

A: The FT-63EP100 has a temperature coefficient of ±150ppm/°C, while the 3329H-1-101LF offers superior stability at ±100ppm/°C. For applications requiring tight temperature compensation, the Bourns substitute provides better performance across thermal operating ranges.

Q: How do packaging formats differ?

A: The FT-63EP100 is supplied in Bulk packaging, while the 3329H-1-101LF is supplied in Tube packaging. Tube format typically provides better component protection during handling and storage. Confirm packaging compatibility with your assembly and procurement processes.

Q: Is the MSL rating difference significant?

A: The FT-63EP100 has MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling. The 3329H-1-101LF lists MSL as Not Applicable. For applications with extended storage in humid environments or without controlled storage conditions, the FT-63EP100 offers superior reliability assurance.