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CT-6EV101 Equivalent & Substitute Parts
Part Overview
The CT-6EV101 is a 100 Ohm, 0.5W trimmer potentiometer manufactured by Nidec Components Corporation. This through-hole component features PC pin termination, cermet resistive material, and top adjustment capability with a single turn. The part is Active status and ROHS3 compliant, making it suitable for applications requiring precision variable resistance in compact form factors. Substitute parts are identified when electrical specifications, mechanical compatibility, and regulatory compliance align with the original component requirements.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 100 Ohms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 1 Turn |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitute parts for the CT-6EV101 are qualified based on the following critical parameters:
- Resistance value: 100 Ohms (exact match required)
- Power rating: 0.5W minimum
- Tolerance: ±10% or better
- Temperature coefficient: ±100ppm/°C or better
- Number of turns: 1 Turn (single turn operation)
- Adjustment type: Top Adjustment (user interface compatibility)
- Resistive material: Cermet (performance and stability characteristics)
- Mounting type: Through Hole (PCB integration method)
- Termination style: PC Pins (electrical connection method)
- RoHS compliance: ROHS3 Compliant (regulatory requirement)
The 3329H-1-101LF from Bourns Inc. meets all electrical and mechanical substitution criteria. Physical dimensions differ (round 0.250" diameter versus square 0.276" x 0.276"), but both configurations accommodate standard through-hole PCB layouts with PC pin spacing compatibility.
Parameter Comparison
| Parameter | CT-6EV101 (Nidec) | 3329H-1-101LF (Bourns) |
|---|---|---|
| Resistance Value | 100 Ohms | 100 Ohms |
| Power Rating | 0.5W | 0.5W |
| Tolerance | ±10% | ±10% |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C |
| Number of Turns | 1 | 1 |
| Adjustment Type | Top Adjustment | Top Adjustment |
| Resistive Material | Cermet | Cermet |
| Mounting Type | Through Hole | Through Hole |
| Termination Style | PC Pins | PC Pins |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Series | CT6 | Trimpot® 3329 - Sealed |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the CT-6EV101 and 3329H-1-101LF are Active status components with ROHS3 compliance, suitable for current production applications. The CT-6EV101 features square geometry (7.00mm x 7.00mm), while the 3329H-1-101LF uses round geometry (6.35mm diameter). Selection between these parts depends on PCB layout constraints and available mounting space. The Bourns Trimpot® 3329 series includes sealed construction, which may provide enhanced environmental protection in specific applications. Both components share identical electrical specifications and PC pin termination, ensuring functional interchangeability in standard through-hole circuit designs.
Frequently Asked Questions (FAQ)
Q: Can the 3329H-1-101LF directly replace the CT-6EV101 on existing PCBs?
A: Yes, both components share identical electrical specifications (100 Ohms, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient) and PC pin termination. The primary difference is physical form factor: square versus round geometry. PCB layout must accommodate the round 0.250" diameter footprint of the 3329H-1-101LF.
Q: Are there packaging differences between these parts?
A: The CT-6EV101 is supplied in Bulk packaging, while the 3329H-1-101LF is supplied in Tube packaging. This affects order quantities and handling but does not impact electrical or mechanical performance.
Q: Do both parts meet the same regulatory requirements?
A: Yes, both the CT-6EV101 and 3329H-1-101LF are ROHS3 compliant and carry EAR99 ECCN classification. Both are classified under HTSUS code 8533.40.8050.
Q: What is the significance of the Trimpot® 3329 sealed construction?
A: The sealed design of the Bourns Trimpot® 3329 series provides protection against environmental contamination and moisture ingress. This feature may be beneficial in applications exposed to harsh operating conditions, though both parts share identical electrical performance specifications.
Q: Are the adjustment mechanisms identical?
A: Both components feature top adjustment with single-turn operation, providing identical user interface and adjustment range characteristics.
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