Bourns 3299Y-1-501 Trimmer Potentiometer Equivalent & Substitute Parts

Part Overview

The Bourns 3299Y-1-501 is a 500 Ohm, 0.5W through-hole trimmer potentiometer with PC pin termination and top adjustment. This sealed Trimpot® 3299 series component is designed for applications requiring precision variable resistance in compact rectangular form factors. The part is currently active in production with 1085 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and functional characteristics align with the original component, enabling direct replacement in circuit designs without performance degradation.

Substiute Parts

3299Y-1-501

Bourns Inc.In Stock: 10963299Y-1-501 Datasheet

Current PartRFQ

3299Y-1-501LF

Bourns Inc.In Stock: 12293299Y-1-501LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 3299Y-1-501 is determined by strict equivalence across the following critical parameters:

• Resistance value: 500 Ohms
• 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
• Physical dimensions: Rectangular - 0.375" x 0.240" Face (9.53mm x 6.10mm)
• Series family: Trimpot® 3299 - Sealed

The identified substitute part maintains identical electrical and mechanical specifications, ensuring functional interchangeability in circuit applications. Differences in RoHS compliance status do not affect electrical performance or mechanical fit.

Parameter Comparison

Engineering Selection Recommendations

Both the 3299Y-1-501 and 3299Y-1-501LF are active production components from Bourns Inc. with identical electrical and mechanical specifications. The primary distinction is RoHS compliance status: the 3299Y-1-501 is RoHS non-compliant, while the 3299Y-1-501LF is ROHS3 compliant. Selection between these parts should be based on regulatory requirements applicable to the end application. For designs subject to RoHS directives or customer specifications requiring RoHS3 compliance, the 3299Y-1-501LF is the appropriate choice. For applications without RoHS compliance mandates, either part provides equivalent performance. Both parts are REACH affected and carry ECCN EAR99 classification.

Frequently Asked Questions (FAQ)

Q: Can the 3299Y-1-501LF directly replace the 3299Y-1-501 in existing designs?

A: Yes. The 3299Y-1-501LF is electrically and mechanically identical to the 3299Y-1-501. All functional parameters—resistance, power rating, tolerance, temperature coefficient, number of turns, adjustment type, resistive material, mounting type, termination style, and physical dimensions—are equivalent. Direct substitution is possible without circuit redesign.

Q: What is the difference between these two part numbers?

A: The primary difference is RoHS compliance. The 3299Y-1-501 is RoHS non-compliant, while the 3299Y-1-501LF is ROHS3 compliant. The "LF" suffix typically indicates lead-free termination and RoHS3 compliance. Electrical and mechanical performance are identical.

Q: Are there any packaging differences between these parts?

A: Both parts are supplied in tube packaging. Physical dimensions, form factor, and mounting characteristics are identical.

Q: Which part should I specify for new designs?

A: Selection depends on regulatory requirements. If RoHS3 compliance is required by your application, customer, or regional regulations, specify the 3299Y-1-501LF. If RoHS compliance is not a requirement, either part is suitable. Verify compliance requirements with your design specifications and customer documentation.

Q: Are both parts currently available?

A: Yes. The 3299Y-1-501 has 1085 units in stock, and the 3299Y-1-501LF has 1214 units in stock, both listed as new original inventory.