Bourns 3386P-1-501TLF Trimmer Potentiometer - Equivalent & Substitute Parts

Part Overview

The Bourns 3386P-1-501TLF is a 500 Ohm, 0.5W through-hole trimmer potentiometer with cermet resistive material, designed for PC pin termination and top finger adjustment. This component is part of the Trimpot® 3386 sealed series and maintains active product status with full RoHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical compatibility, and termination requirements to ensure functional interchangeability in circuit applications.

Substiute Parts

3386P-1-501TLF
Bourns Inc.In Stock: 9883386P-1-501TLF Datasheet
3386P-1-501TLF
Current Part
M63M501KB30T607
Vishay SpectrolIn Stock: 895M63M501KB30T607 Datasheet
M63M501KB30T607
Direct

Key Parameters

Parameter Value
Resistance 500 Ohms
Power Rating 0.5W (1/2W)
Tolerance ±10%
Temperature Coefficient ±100ppm/°C
Number of Turns 1
Resistive Material Cermet
Mounting Type Through Hole
Termination Style PC Pins
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 3386P-1-501TLF are qualified based on the following critical parameters:

  • Electrical Match: Resistance value (500 Ohms), power rating (0.5W), tolerance (±10%), and temperature coefficient (±100ppm/°C) must be identical
  • Material Composition: Cermet resistive material ensures equivalent performance characteristics and stability
  • Mechanical Compatibility: Through-hole mounting with PC pin termination allows direct PCB integration
  • Single-Turn Design: 1-turn adjustment specification maintains consistent resolution and adjustment range
  • Regulatory Compliance: RoHS3 compliance and REACH unaffected status ensure environmental and regulatory alignment

The Vishay Spectrol M63M501KB30T607 qualifies as a direct substitute based on matching all electrical parameters and termination requirements. The primary distinction is adjustment type (side adjustment versus top finger adjustment) and minor dimensional variation (0.395" vs. 0.375" face dimension), which do not affect electrical function or PCB mounting compatibility.

Parameter Comparison

Parameter Bourns 3386P-1-501TLF Vishay Spectrol M63M501KB30T607 Match Status
Resistance 500 Ohms 500 Ohms Identical
Power Rating 0.5W (1/2W) 0.5W (1/2W) Identical
Tolerance ±10% ±10% Identical
Temperature Coefficient ±100ppm/°C ±100ppm/°C Identical
Number of Turns 1 1 Identical
Resistive Material Cermet Cermet Identical
Mounting Type Through Hole Through Hole Identical
Termination Style PC Pins PC Pins Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Adjustment Type Top Finger Adjustment Side Adjustment Different
Face Dimension 0.375" x 0.375" (9.53mm x 9.53mm) 0.395" x 0.395" (10.03mm x 10.03mm) Minor Variation

Engineering Selection Recommendations

The Vishay Spectrol M63M501KB30T607 is electrically and functionally equivalent to the Bourns 3386P-1-501TLF for applications requiring a 500 Ohm, 0.5W trimmer potentiometer with cermet construction and PC pin termination. Both components maintain active product status and full RoHS3 compliance.

Selection between these parts should be based on:

  • Adjustment Access Requirements: The 3386P-1-501TLF provides top finger adjustment, while the M63M501KB30T607 provides side adjustment. PCB layout and enclosure design must accommodate the adjustment mechanism type.
  • Physical Space Constraints: The M63M501KB30T607 has a slightly larger face dimension (0.395" vs. 0.375"). Verify available PCB footprint space before substitution.
  • Inventory and Lead Time: Both components are active and in stock. Selection may be driven by availability and procurement timelines.
  • Regulatory Alignment: Both parts satisfy ROHS3 compliance and REACH unaffected status for equivalent regulatory positioning.

Frequently Asked Questions (FAQ)

Q: Can the Vishay Spectrol M63M501KB30T607 directly replace the Bourns 3386P-1-501TLF?

A: Yes, from an electrical and functional standpoint. Both components share identical resistance (500 Ohms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), and resistive material (cermet). PC pin termination and through-hole mounting are compatible. However, the adjustment mechanism differs (side vs. top finger), and the face dimension is slightly larger (0.395" vs. 0.375"). Verify PCB layout and enclosure design accommodate these differences.

Q: What are the critical parameters for substitution?

A: Resistance value, power rating, tolerance, temperature coefficient, resistive material type, mounting method, and termination style must match. These parameters determine electrical performance and PCB compatibility. Adjustment type and exact dimensions are secondary considerations unless constrained by physical design.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the Bourns 3386P-1-501TLF and Vishay Spectrol M63M501KB30T607 are ROHS3 compliant and REACH unaffected, ensuring equivalent environmental and regulatory status.

Q: Does the adjustment type difference affect circuit performance?

A: No. The adjustment mechanism (top finger vs. side adjustment) does not affect electrical performance or final resistance value. The difference is operational—how the component is physically adjusted during calibration or tuning. Select based on PCB layout accessibility and enclosure design requirements.

Q: What packaging formats are available?

A: The Bourns 3386P-1-501TLF is supplied in tube packaging. The Vishay Spectrol M63M501KB30T607 is supplied in box packaging. Confirm packaging requirements for your procurement and assembly processes.

Request Quote (Ships tomorrow)