Bourns 3386W-1-503 Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3386W-1-503 is a 50 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and side adjustment capability. This sealed Trimpot® 3386 series component is currently active in production. Finding equivalent and substitute parts may be necessary due to inventory availability, compliance requirements, or supply chain considerations.

Substiute Parts

3386W-1-503

Bourns Inc.In Stock: 9503386W-1-503 Datasheet

Current PartRFQ

3386W-1-503LF

Bourns Inc.In Stock: 19133386W-1-503LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 3386W-1-503 is determined by matching the following critical parameters:

• Resistance value: 50 kOhms
• Power rating: 0.5W
• 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
• Physical dimensions: Square - 0.375" x 0.375" face

The substitute part 3386W-1-503LF matches all electrical and mechanical parameters while differing in RoHS compliance status and REACH classification.

Parameter Comparison

Engineering Selection Recommendations

Both the 3386W-1-503 and 3386W-1-503LF are functionally equivalent for applications requiring a 50 kOhm, 0.5W through-hole trimmer potentiometer with cermet resistive material and side adjustment.

The 3386W-1-503LF is ROHS3 compliant and REACH unaffected, making it suitable for applications subject to RoHS and REACH regulations. The 3386W-1-503 is RoHS non-compliant and REACH affected, requiring evaluation against specific regulatory requirements of the end application.

Both parts share identical electrical specifications, mechanical dimensions, and are from the same sealed Trimpot® 3386 series, ensuring functional interchangeability in circuit design.

Frequently Asked Questions (FAQ)

Q: Are the 3386W-1-503 and 3386W-1-503LF electrically identical?

A: Yes. Both parts have identical resistance (50 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), and resistive material (Cermet). They are electrically equivalent.

Q: What is the difference between these two parts?

A: The primary differences are compliance certifications. The 3386W-1-503LF is ROHS3 compliant and REACH unaffected, while the 3386W-1-503 is RoHS non-compliant and REACH affected. All electrical and mechanical parameters are identical.

Q: Can I use 3386W-1-503LF as a direct replacement for 3386W-1-503?

A: Yes, from an electrical and mechanical standpoint. However, compliance requirements must be evaluated based on the end application and regional regulations.

Q: Are the physical dimensions identical?

A: Yes. Both parts have the same square form factor of 0.375" x 0.375" (9.53mm x 9.53mm) with identical through-hole PC pin termination.

Q: What does the "LF" suffix indicate?

A: The "LF" suffix typically indicates lead-free termination and RoHS compliance in Bourns part numbering conventions.