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3296W-1-205ALF Equivalent & Substitute Parts
Part Overview
The Bourns 3296W-1-205ALF is a 2 MOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and top adjustment. This sealed Trimpot® 3296 series component uses cermet resistive material and features 25-turn adjustment capability. The part is Active status and ROHS3 compliant, making it suitable for applications requiring precision resistance adjustment in compact form factors. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter set.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 2 MOhms |
| Power Rating | 0.5W (1/2W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 25 |
| Adjustment Type | Top Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 3296W-1-205ALF is determined by strict equivalence across the following critical parameters:
- Resistance value: 2 MOhms
- Power rating: 0.5W (1/2W)
- Tolerance: ±10%
- Temperature coefficient: ±100ppm/°C
- Number of turns: 25
- Adjustment type: Top Adjustment
- Resistive material: Cermet
- Mounting type: Through Hole
- Termination style: PC Pins
- Regulatory compliance: ROHS3 Compliant
The PV36W205C01B00 meets all electrical and mechanical criteria for direct substitution. Packaging differences (Tape & Box versus Tube) do not affect functional compatibility.
Parameter Comparison
| Parameter | 3296W-1-205ALF | PV36W205C01B00 | Match |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Yes |
| Resistance | 2 MOhms | 2 MOhms | Yes |
| Power Rating | 0.5W (1/2W) | 0.5W (1/2W) | Yes |
| Tolerance | ±10% | ±10% | Yes |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | Yes |
| Number of Turns | 25 | 25 | Yes |
| Adjustment Type | Top Adjustment | Top Adjustment | Yes |
| Resistive Material | Cermet | Cermet | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| Termination Style | PC Pins | PC Pins | Yes |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| REACH Status | REACH Affected | REACH Affected | Yes |
| ECCN | EAR99 | EAR99 | Yes |
| HTSUS Code | 8533.40.8050 | 8533.40.8050 | Yes |
| Face Dimension | 0.375" x 0.190" (9.53mm x 4.83mm) | 0.378" x 0.197" (9.60mm x 5.00mm) | Equivalent |
Engineering Selection Recommendations
Both the 3296W-1-205ALF and PV36W205C01B00 are Active status components manufactured by Bourns Inc. with identical electrical specifications and regulatory compliance profiles. Selection between these parts should be based on:
- Packaging requirements: 3296W-1-205ALF is supplied in Tape & Box; PV36W205C01B00 is supplied in Tube
- Inventory availability: 3296W-1-205ALF has 795 pcs in stock; PV36W205C01B00 has 1220 pcs in stock
- Dimensional tolerance: Face dimensions differ by approximately 0.003" and 0.007" respectively, which is negligible for through-hole PCB mounting applications
Both parts satisfy ROHS3, REACH, and EAR99 compliance requirements.
Frequently Asked Questions (FAQ)
Q: Can PV36W205C01B00 be used as a direct replacement for 3296W-1-205ALF?
A: Yes. Both parts have identical electrical specifications (2 MOhm, 0.5W, ±10% tolerance, ±100ppm/°C temperature coefficient, 25-turn adjustment) and identical mechanical compatibility (through-hole PC pin termination, top adjustment, cermet material). Packaging format is the only difference.
Q: Are there dimensional compatibility concerns?
A: The face dimensions differ slightly (3296W-1-205ALF: 9.53mm x 4.83mm; PV36W205C01B00: 9.60mm x 5.00mm). These differences are within acceptable tolerances for through-hole PCB mounting and do not affect functional performance or board layout compatibility.
Q: Do both parts meet the same regulatory requirements?
A: Yes. Both parts are ROHS3 compliant, REACH affected, classified as EAR99, and share the same HTSUS code (8533.40.8050).
Q: What is the difference between Tape & Box and Tube packaging?
A: Packaging format affects handling, storage, and automated assembly compatibility. Tape & Box is suitable for manual assembly and standard storage. Tube packaging is used for component organization and may be preferred for certain automated pick-and-place operations. Electrical and mechanical performance is identical.
Q: Are there any inventory considerations?
A: PV36W205C01B00 has higher current stock availability (1220 pcs) compared to 3296W-1-205ALF (795 pcs). Selection may depend on lead time requirements and supply chain planning.
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