Bourns 3299P-1-102 Trimmer Potentiometer: Equivalent & Substitute Parts

Part Overview

The Bourns 3299P-1-102 is a 1 kOhm, 0.5W through-hole trimmer potentiometer with PC pin termination and side adjustment. This sealed Trimpot® 3299 series component features cermet resistive material and 25-turn adjustment capability. The part is currently active in production with 973 units in stock. Substitute parts are necessary when the primary part is unavailable, when RoHS3 compliance is required, or when alternative package dimensions better suit specific PCB layout constraints.

Key Parameters

Parameter	Value
Resistance	1 kOhms
Power Rating	0.5W (1/2W)
Tolerance	±10%
Temperature Coefficient	±100ppm/°C
Number of Turns	25
Adjustment Type	Side Adjustment
Resistive Material	Cermet
Mounting Type	Through Hole
Termination Style	PC Pins
Manufacturer	Bourns Inc.

Substitute Part Grouping Explanation

Substitution eligibility for the 3299P-1-102 is determined by strict equivalence across the following critical parameters: resistance value (1 kOhms), power rating (0.5W), tolerance (±10%), temperature coefficient (±100ppm/°C), number of turns (25), adjustment type (side adjustment), resistive material (cermet), mounting type (through hole), and termination style (PC pins).

All identified substitute parts maintain these core electrical and mechanical specifications. Variations in package dimensions and RoHS compliance status do not affect functional interchangeability within the specified parameter set. The substitute parts are categorized as follows:

Direct Manufacturer Substitutes: Parts sharing identical electrical specifications and the same base series designation (3296P-1-102, 3299P-1-102LF).

Similar Manufacturer Substitute: Part from an alternative series (PV36P102C01B00) that meets all critical electrical and mechanical parameters despite different package dimensions.

Parameter Comparison

Parameter	3299P-1-102	3296P-1-102	3299P-1-102LF	PV36P102C01B00
Resistance	1 kOhms	1 kOhms	1 kOhms	1 kOhms
Power Rating	0.5W	0.5W	0.5W	0.5W
Tolerance	±10%	±10%	±10%	±10%
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Number of Turns	25	25	25	25
Adjustment Type	Side Adjustment	Side Adjustment	Side Adjustment	Side Adjustment
Resistive Material	Cermet	Cermet	Cermet	Cermet
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Termination Style	PC Pins	PC Pins	PC Pins	PC Pins
Series	Trimpot® 3299 - Sealed	Trimpot® 3296 - Sealed	Trimpot® 3299 - Sealed	PV36
Package Dimensions (Face)	0.240" x 0.375" (6.10mm x 9.53mm)	0.375" x 0.190" (9.53mm x 4.83mm)	0.395" x 0.375" (10.03mm x 9.53mm)	0.378" x 0.197" (9.60mm x 5.00mm)
RoHS Status	RoHS non-compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory	973 Pcs	2262 Pcs	1094 Pcs	2740 Pcs

Engineering Selection Recommendations

All four parts are active products from Bourns Inc. with identical electrical specifications and functional performance. Selection between them is determined by compliance requirements and PCB layout constraints.

For applications requiring RoHS3 compliance, the 3299P-1-102LF and PV36P102C01B00 are the appropriate selections. The 3299P-1-102 and 3296P-1-102 are suitable only for applications where RoHS non-compliance is acceptable.

Package dimension differences require verification against PCB footprint specifications. The 3299P-1-102 has the smallest face dimension (6.10mm x 9.53mm), while the 3299P-1-102LF has the largest (10.03mm x 9.53mm). The 3296P-1-102 and PV36P102C01B00 have intermediate dimensions with different aspect ratios. PCB layout compatibility must be confirmed before final part selection.

Frequently Asked Questions (FAQ)

Q: Can the 3296P-1-102 be used as a direct replacement for the 3299P-1-102?

A: Yes. Both parts share identical electrical specifications (1 kOhms, 0.5W, ±10% tolerance, ±100ppm/°C, 25 turns, cermet material, side adjustment, through-hole mounting, PC pin termination). The primary difference is package dimensions: the 3296P-1-102 face is 0.375" x 0.190" versus the 3299P-1-102 face of 0.240" x 0.375". PCB footprint compatibility must be verified.

Q: What is the difference between the 3299P-1-102 and 3299P-1-102LF?

A: Both are from the Trimpot® 3299 series with identical electrical specifications. The 3299P-1-102LF is ROHS3 compliant, while the 3299P-1-102 is RoHS non-compliant. The 3299P-1-102LF has a slightly larger package face (0.395" x 0.375" versus 0.240" x 0.375"). Use the LF variant when RoHS3 compliance is required.

Q: Is the PV36P102C01B00 functionally equivalent to the 3299P-1-102?

A: Yes. The PV36P102C01B00 meets all critical electrical and mechanical parameters: 1 kOhms resistance, 0.5W power rating, ±10% tolerance, ±100ppm/°C temperature coefficient, 25 turns, cermet material, side adjustment, through-hole mounting, and PC pin termination. It is ROHS3 compliant. Package dimensions differ (0.378" x 0.197" face), requiring PCB layout verification.

Q: Which substitute part has the highest inventory availability?

A: The PV36P102C01B00 has the highest inventory at 2740 units, followed by the 3296P-1-102 at 2262 units.

Q: Can I use a RoHS non-compliant part in a RoHS3-compliant application?

A: No. If your application or end market requires RoHS3 compliance, only the 3299P-1-102LF or PV36P102C01B00 are acceptable selections.

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