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Bourns 3262P-1-102 Equivalent & Substitute Parts
Part Overview
The Bourns 3262P-1-102 is a 1 kOhm, 0.25W through-hole trimmer potentiometer with PC pin termination and 12-turn side adjustment. This sealed Trimpot® 3262 series component is designed for precision applications requiring manual resistance adjustment in compact rectangular form factors. The part is currently active in production. Equivalent substitute parts may be required due to supply constraints, regional availability, or specific compliance requirements for end applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1 kOhms |
| Power Rating | 0.25W (1/4W) |
| Tolerance | ±10% |
| Temperature Coefficient | ±100ppm/°C |
| Number of Turns | 12 |
| Adjustment Type | Side Adjustment |
| Resistive Material | Cermet |
| Mounting Type | Through Hole |
| Termination Style | PC Pins |
| Adjustment Mechanism | Side Adjustment |
Substitute Part Grouping Explanation
Substitution eligibility for the 3262P-1-102 is determined by strict equivalence across the following critical parameters:
- Resistance value: 1 kOhms
- Power rating: 0.25W (1/4W)
- Tolerance: ±10%
- Temperature coefficient: ±100ppm/°C
- Number of turns: 12
- Adjustment type: Side Adjustment
- Resistive material: Cermet
- Mounting type: Through Hole
- Termination style: PC Pins
The TT Electronics/BI 64PR1KLF meets all electrical and mechanical substitution criteria. Physical form factor differences (rectangular vs. square face dimensions) do not affect functional equivalence when PCB layout accommodates the substitute geometry.
Parameter Comparison
| Parameter | Bourns 3262P-1-102 | TT Electronics/BI 64PR1KLF | Match Status |
|---|---|---|---|
| Resistance | 1 kOhms | 1 kOhms | Equivalent |
| Power Rating | 0.25W (1/4W) | 0.25W (1/4W) | Equivalent |
| Tolerance | ±10% | ±10% | Equivalent |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | Equivalent |
| Number of Turns | 12 | 12.0 | Equivalent |
| Adjustment Type | Side Adjustment | Side Adjustment | Equivalent |
| Resistive Material | Cermet | Cermet | Equivalent |
| Mounting Type | Through Hole | Through Hole | Equivalent |
| Termination Style | PC Pins | PC Pins | Equivalent |
| Face Dimension | Rectangular: 0.250" x 0.185" (6.35mm x 4.70mm) | Square: 0.250" x 0.250" (6.35mm x 6.35mm) | Different |
| Product Status | Active | Active | Equivalent |
| RoHS Status | RoHS non-compliant | RoHS Compliant | Different |
| REACH Status | REACH Affected | REACH Unaffected | Different |
Engineering Selection Recommendations
The TT Electronics/BI 64PR1KLF is a direct functional equivalent to the Bourns 3262P-1-102 based on electrical specifications and mechanical compatibility. Selection between these parts should consider:
Compliance Requirements: The 64PR1KLF carries RoHS Compliant status and REACH Unaffected designation, whereas the 3262P-1-102 is RoHS non-compliant and REACH Affected. Applications subject to RoHS or REACH regulations must use the 64PR1KLF.
Physical Layout: The 64PR1KLF has a square face (0.250" x 0.250") compared to the rectangular face (0.250" x 0.185") of the 3262P-1-102. PCB layout and mechanical clearance must accommodate the larger dimension.
Product Availability: Both parts are active in production. The 64PR1KLF has higher current inventory (2038 pcs vs. 768 pcs).
Frequently Asked Questions (FAQ)
Q: Can the TT Electronics/BI 64PR1KLF replace the Bourns 3262P-1-102 in all applications?
A: Electrical and functional replacement is direct. Physical form factor differences require PCB layout verification. Compliance requirements (RoHS, REACH) must be evaluated for the end application.
Q: What are the key differences between these parts?
A: Electrical specifications are identical. The 64PR1KLF has a square face geometry (0.250" x 0.250") versus the rectangular face (0.250" x 0.185") of the 3262P-1-102. The 64PR1KLF is RoHS Compliant and REACH Unaffected; the 3262P-1-102 is not.
Q: Are there any tolerance or performance differences?
A: No. Both parts share identical tolerance (±10%), temperature coefficient (±100ppm/°C), power rating (0.25W), and resistive material (Cermet).
Q: Does the square versus rectangular face dimension affect circuit performance?
A: No. The face dimension difference does not affect electrical performance. PCB layout and mechanical clearance must be verified to accommodate the substitute geometry.
Q: Which part should be selected for new designs?
A: Selection depends on compliance requirements and available PCB space. For RoHS or REACH-regulated applications, the 64PR1KLF is required. For legacy designs with rectangular space constraints, the 3262P-1-102 remains appropriate if compliance is not mandated.
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