CF1/4CT52R121J The KOA Speer Electronics CF1/4CT52R121J is a 0.25W axial carbon film resistor with 120 Ohm resistance and a ±5% tolerance. It operates across a wide temperature range.
Mfr Part #:

CF1/4CT52R121J

Available from 1 distributors
Mfr Name: KOA Speer Electronics
KOA Speer Electronics
The KOA Speer Electronics CF1/4CT52R121J is a 0.25W axial carbon film resistor with 120 Ohm resistance and a ±5% tolerance. It operates across a wide temperature range.
✓ Total Stock: 3,585 pcs
$ Price Range: $0.05

CF1/4CT52R121J Available from 1 distributor

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CF1/4CT52R121J Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Composition
Number of Terminations
Operating Temperature
Power (Watts)
Resistance
Supplier Device Package
Tape & Reel
Temperature Coefficient
Tolerance

CF1/4CT52R121J Description

Short technical summary and product information.

This KOA Speer Electronics CF1/4CT52R121J is a through-hole carbon film resistor designed for general-purpose applications. It offers a resistance value of 120 Ohms with a tight tolerance of ±5%, ensuring accuracy in circuit performance.

 

The resistor is rated for 0.25W (1/4W) of power at 70°C and can withstand a maximum working voltage of 250V, with an overload voltage rating of 400V. Its construction features a carbon film resistive element on a ceramic core, insulated with a flameproof coating.

 

With an operating temperature range from -55°C to 155°C and a temperature coefficient of -450/+350ppm/°C, this component is suitable for various environmental conditions. The axial package measures 0.091" Dia x 0.240" L (2.30mm x 6.10mm), making it compatible with automatic machine insertion.

 

Products with lead-free terminations are available and meet EU RoHS and China RoHS requirements. This component is also rated for Moisture Sensitivity Level 1.

CF1/4CT52R121J Quick Information

Product Type: Through Hole Resistor
Series: CF1/4
Canonical Name: KOA Speer Electronics CF1/4CT52R121J Carbon Film Resistor
Subcategory: Through Hole Resistors

CF1/4CT52R121J Compliance

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

CF1/4CT52R121J Estimated Pricing

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1+ $0.05 $0.05

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

CF1/4CT52R121J Features

  • 120 Ohm resistance with ±5% tolerance.
  • 0.25W power rating at 70°C.
  • Wide -55°C to 155°C operating temperature.
  • Axial package for automatic insertion.
  • Carbon film construction for reliability.

CF1/4CT52R121J Applications

  • Suitable for precision resistor networks in circuits.
  • Used in power supply voltage divider applications.
  • Ideal for signal attenuation in audio equipment.
  • Applicable in temperature-sensitive electronic devices.

CF1/4CT52R121J FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance value of the CF1/4CT52R121J resistor?

The resistance value is 120 Ohms.

What is the tolerance of the CF1/4CT52R121J resistor?

The tolerance is ±5%.

What is the power rating of the CF1/4CT52R121J resistor?

The power rating is 0.25W (1/4W) at 70°C.

What is the operating temperature range for the CF1/4CT52R121J resistor?

The operating temperature range is -55°C to 155°C.

What type of package does the CF1/4CT52R121J resistor use?

It uses an axial package.

What is the temperature coefficient of the CF1/4CT52R121J resistor?

The temperature coefficient is -450/+350ppm/°C.

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