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CT6X102 Equivalent & Substitute Parts Reference
Part Overview
The CT6X102 is a 1 kOhm, 0.5W through-hole trimmer potentiometer manufactured by Vishay Beyschlag/Draloric/BC Components. This cermet-based side-adjustment trimmer features PC pin termination and is designed for applications requiring precision variable resistance in compact rectangular form factors. The part is currently obsolete, necessitating identification of functionally equivalent alternatives that maintain the same electrical and mechanical specifications for continued system support and new designs.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 1 kOhms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 1 |
| Adjustment Type | Side Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| Size/Dimension | Rectangular - 0.323" x 0.276" Face (8.20mm x 7.00mm) |
Substitute Part Grouping Explanation
Substitute parts for the CT6X102 are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:
- Resistance value: 1 kOhms (exact match required)
- Power rating: 0.5W, 1/2W (exact match required)
- Tolerance: ±10% (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Number of turns: 1 (exact match required)
- Adjustment type: Side Adjustment (exact match required)
- Resistive material: Cermet (exact match required)
- Mounting type: Through Hole (exact match required)
- Termination style: PC Pins (exact match required)
All identified substitutes meet these core parameters. Dimensional variations and compliance status differences are noted but do not preclude functional equivalence in applications where the CT6X102 was originally specified.
Parameter Comparison
| Parameter | CT6X102 (Vishay) | CT-6EX102 (Nidec) | 3362W-1-102 (Bourns) |
|---|---|---|---|
| Resistance Value | 1 kOhms | 1 kOhms | 1 kOhms |
| Power Rating | 0.5W, 1/2W | 0.5W, 1/2W | 0.5W, 1/2W |
| Tolerance | ±10% | ±10% | ±10% |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Number of Turns | 1 | 1 | 1 |
| Adjustment Type | Side Adjustment | Side Adjustment | Side Adjustment |
| Resistive Material | Cermet | Cermet | Cermet |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Termination Style | PC Pins | PC Pins | PC Pins |
| Series | CT6 | CT6 | Trimpot® 3362 - Sealed |
| Product Status | Obsolete | Active | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | RoHS non-compliant |
| Size/Dimension | 0.323" x 0.276" (8.20mm x 7.00mm) | 0.323" x 0.276" (8.20mm x 7.00mm) | 0.275" x 0.260" (6.99mm x 6.60mm) |
Engineering Selection Recommendations
CT-6EX102 (Nidec Components Corporation) is the primary direct substitute for the CT6X102. This part maintains identical electrical specifications, matching dimensions, and series designation. The CT-6EX102 holds active product status and achieves ROHS3 compliance, providing regulatory advantage for new designs and long-term availability assurance.
3362W-1-102 (Bourns Inc.) serves as a secondary equivalent option. While all electrical parameters remain identical, this part exhibits dimensional variation (0.275" x 0.260" versus 0.323" x 0.276") and belongs to the Trimpot® 3362 sealed series. The 3362W-1-102 maintains active status but does not achieve RoHS compliance. Selection of this substitute requires verification that the reduced footprint accommodates existing PCB layouts and that sealed construction meets application environmental requirements.
Frequently Asked Questions (FAQ)
Q: Can CT-6EX102 be used as a direct replacement for CT6X102 in existing designs?
A: Yes. The CT-6EX102 matches all electrical parameters (1 kOhm, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient, 1 turn, side adjustment, cermet material, through-hole mounting, PC pins) and maintains identical dimensions. No circuit modifications are required.
Q: What is the primary difference between CT-6EX102 and 3362W-1-102?
A: Both parts satisfy all electrical specifications. The CT-6EX102 maintains the original CT6 series form factor and dimensions. The 3362W-1-102 is smaller (0.275" x 0.260" versus 0.323" x 0.276") and belongs to the sealed Trimpot® 3362 series. PCB layout compatibility must be confirmed before selecting the 3362W-1-102.
Q: Does RoHS compliance affect functional performance?
A: RoHS compliance status reflects manufacturing process and material composition but does not alter electrical performance or functional characteristics. The ROHS3-compliant CT-6EX102 delivers identical performance to the non-compliant CT6X102 and 3362W-1-102.
Q: Are there packaging differences between these substitutes?
A: Yes. CT6X102 and CT-6EX102 are supplied in bulk packaging. The 3362W-1-102 is supplied in tube packaging. Packaging format does not affect component performance but may influence procurement and handling procedures.
Q: Can 3362W-1-102 be used in applications where space is constrained?
A: The 3362W-1-102 offers a smaller footprint (6.99mm x 6.60mm versus 8.20mm x 7.00mm). However, dimensional reduction must be verified against specific PCB layout requirements and mechanical clearance constraints before implementation.
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