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Explore the detailed specifications, features, and common applications of the CFR25J-150R resistor. Guide for SA makers, engineers, and students, with local selection tips.
Understand resistance, tolerance, and power of the CFR25J-150R resistor.
See where 150Ohm carbon film resistors are commonly used in local projects.
Find advice for sourcing and substituting CFR25J-150R resistors via Communica.
The CFR25J-150R is a 150-ohm 5% 0.25W carbon film resistor, widely available and commonly used in electronics across South Africa. Whether soldered onto development boards, employed in education labs, or used for quick prototyping, this through-hole type is a staple because of its consistent performance, cost-effectiveness, and straightforward application.
| Specification | Value | Notes |
|---|---|---|
| Resistance | 150Ohm | 5% tolerance |
| Power Rating | 0.25W (1/4W) | At ambient <=70 degreesC |
| Max Working Voltage | 250V | Typical for CFR25 series |
| Max Overload Voltage | 500V | Short duration (<=5s) |
| Tolerance | 5% (J) | E24 series standard |
| Temperature Range | -55 degreesC to +155 degreesC | Suitable for most lab & field use |
| Body Dimensions | ~6.8mm x 2.3mm | Leads not included |
For most breadboard, perfboard, and PCB work, these specs make the CFR25J-150R suitable wherever moderate value limiting or current-control resistors are needed. They're highly compatible with components from leading brands like Panasonic, KOA Speer, and Yageo, many of which are also supported via Communica's wide supply network.
At 150 ohms, the CFR25J-150R balances current flow and voltage drop, making it a popular choice for:
In South African contexts-from school engineering projects to test rigs in industry and even small repair jobs-CFR25J-150R resistors are affordable, available in bulk, and simple to substitute. This reliability is especially important for students and maintenance teams looking for universal, easy-to-identify replacements.
A key aspect in selecting resistors is ensuring the actual power they will dissipate remains below their rated value. For the CFR25J-150R:
Example in a typical South African makerspace:
If you use a 5V supply and want to limit current through a red LED:
If you encounter excessive heat or resistor failure:
CFR25J-150R resistors are E24 values and interchangeable with equivalent brands and series, simplifying local stock decisions for educators and technicians alike.
The CFR25J-150R is one of the most universally useful resistors for circuit limiting and signal control, with clear, simple ratings that match a wide range of South African electronics, teaching, and service projects.
Free shipping for orders over ZAR 1,000.00.
Get a full refund if you had the product for less than 7 days.
Nationwide delivery within 2 - 4 working days.
Communica supplies semiconductors and electronic components to industries such as automotive, electrical, automation, mining, and education.
Disclaimer: This content is for educational purposes only. Product availability, pricing, and specifications are subject to change. Always verify current details on the retailer's website before making a purchase. We may earn affiliate commissions from qualifying purchases.
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