3299W-1-105LF The Bourns 3299W-1-105LF is a 1 MΩ trimmer potentiometer with a ±10% tolerance and 0.5W power rating. It features a cermet resistive material and through-hole mounting.
Mfr Part #:

3299W-1-105LF

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns 3299W-1-105LF is a 1 MΩ trimmer potentiometer with a ±10% tolerance and 0.5W power rating. It features a cermet resistive material and through-hole mounting.
Total Stock: 375 pcs
$ Price Range: $0.05

3299W-1-105LF Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
375 pcs
375 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

3299W-1-105LF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Adjustment Type
Insulation Resistance
Mounting Type
Number of Turns
Power (Watts)
Resistance
Resistive Material
Resolution
Temperature Coefficient
Temperature Range
Termination Style
Tolerance
Torque

3299W-1-105LF Description

Short technical summary and product information.

The Bourns 3299W-1-105LF is a 3/8 inch square, multiturn trimmer potentiometer from the 3299 series. It utilizes a cermet resistive element and offers a standard resistance of 1 MΩ with a ±10% tolerance. This industrial-grade potentiometer is sealed and designed for through-hole mounting with PC pin terminations.

 

Key electrical characteristics include a power rating of 0.5W at 70°C, infinite resolution, and an insulation resistance of 1,000 MΩ minimum at 500 VDC. The operating temperature range is -55°C to +125°C, with a temperature coefficient of ±100 PPM/°C.

 

Environmental testing includes resistance to vibration (20 G) and shock (100 G), with a load life of 1,000 hours at 0.5W. The physical characteristics include a maximum torque of 3.0 oz-in. and a size of 0.375" x 0.240" face. The standard packaging is 50 pieces per tube.

3299W-1-105LF Quick Information

Product Type: Trimmer Potentiometer
Series: 3299
Canonical Name: Bourns 3299 Series 1 MΩ Cermet Trimmer Potentiometer
Subcategory: Trimmer Potentiometer

3299W-1-105LF Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3299W-1-105LF Estimated Pricing

Qty Low High
1+ $0.05 $0.05

Estimated market price range - modelled values for guidance only, not live distributor offers.

3299W-1-105LF Features

  • Resistance of 1 megaohm with ±10% tolerance
  • Power rating of 0.5W at 70°C
  • Top adjustment with 25 turns
  • Through-hole mounting with PC pins
  • Operates over -55°C to +125°C temperature range

3299W-1-105LF Applications

  • Used for circuit calibration and tuning
  • Suitable for electronic adjustment applications
  • Ideal in test and measurement equipment
  • Applied in precision resistance settings

3299W-1-105LF FAQs

5 frequently asked questions generated from this part’s specifications.
What is the resistance range of the 3299W-1-105LF?

The resistance range is from 10Ω to 2MΩ.

What is the nominal resistance of this trimmer potentiometer?

The nominal resistance is 1 megaohm.

What is the resistance tolerance of the 3299W-1-105LF?

The resistance tolerance is ±10%.

What is the power rating of this component?

The power rating is 0.5 watts at 70°C.

What is the operating temperature range?

It operates from -55°C to +125°C.

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