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CFR12J 100R Resistor Price Comparison & Stock - Carbon Film 1/6W | Communica

CFR12J 100R Resistor Overview

The CFR12J 100R is a popular 100 Ohm carbon film resistor (1/6W, 5% tolerance) widely used across prototyping, repairs, education kits, and industrial boards. The CFR12J family is valued for cost-effective performance, standard E24/E96 values, and robust availability in South Africa. Whether you're bulk-buying for a workshop, stocking for lab classes, or specifying for repairs, knowing the nuances of spec and supply can help secure the right resistor at the right price.

Specification Table: CFR12J 100R Key Parameters

Parameter	Value	Notes
Resistance	100 Ohm (100R)	Standard coding: Brown-Black-Brown-Gold
Power Rating	0.167W (1/6W)	Typical use in low-power circuits
Tolerance	5% (J)	Sufficient for most general applications
Body Size	M12 (approx. 3.5mm x 9mm)	CFR12J = 1/6W body size
Lead Type	Axial, tinned copper	For PCB, breadboard, and wire soldering

Note: Many South African STEM programmes and electronics courses use CFR12J 100R as a teaching standard or repair part because it is reliable, affordable, and available in quantity locally - unlike some SMD or boutique resistor brands.

Why Compare CFR12J 100R Resistor Prices?

Cost per resistor can vary based on pack size, brand, and source - especially where schools, engineers, or procurement teams are buying for bulk or specific projects. Local availability eliminates long lead times and import costs, a key consideration in the South African context. Comparing price and stock on the Circuit Protection & Passives category at Communica can help secure value, especially where urgent branch collection or VAT invoicing is required.

Price Drivers: What Affects the Cost of CFR12J 100R?

Pack or Reel Size (single, 10-pack, 100-pack)
Brand: e.g., Unbranded, Yageo, or E-Carbon
In-country stock vs. backordered/import lead times
Branch pickup vs. courier (delivery adds cost per unit)
Bulk/education discounts available through procurement or quote

CFR12J 100R Price Comparison Table (Typical SA Context)

Supplier	Brand	Pack Size	Approx. Price (ZAR)	Stock/Lead Time
Communica	Generic/E-Carbon	10	R7 - R15	In stock, branch pickup
Other Local Stores	Yageo/Unbranded	10	R8 - R20	Check branch
Import (Online)	Yageo/Other	100	R70 - R180*	1-3 weeks, plus courier

*Prices as of Q2 2024. Delivered cost for a 10-pack can be higher when importing due to courier fees and customs. Always check latest stock and pricing directly before ordering in quantity.

Tip: For school science labs, clubs, and industry maintenance teams, buying by the 100-pack or requesting a quote may unlock better rates per resistor, especially when collected from Communica branches in Samrand, Pretoria CBD, or Cape Town.

Application Examples and Power Calculations

When specifying a 100R, 1/6W (CFR12J) resistor for a circuit, always check you are within power and voltage limits. For example, in a standard LED circuit using 5V:

Voltage across resistor: 5V - V_LED (typically 2V) = 3V
Current: I = V / R = 3V / 100Ohm = 0.03A (30mA)
Power dissipated: P = I² x R = (0.03A)² x 100 = 0.09W

0.09W is well under the CFR12J's 0.167W rating - ideal for breadboard and classroom demo circuits. For higher-power needs (long chains, heavy pulsed loads), consider stepping up to 1/4W or larger sizes (see passive resistor range).

Local Stocking and Collection Options

Communica holds regular stock of CFR12J 100R in 10-packs and bulk hundreds. Check real-time availability on site or call your preferred branch for up-to-date inventory. VAT invoices and quotes are available for business, education, and procurement accounts. Collect at Samrand head office, Pretoria CBD, or Cape Town branches, or arrange for courier dispatch in South Africa.

Troubleshooting & Buying Considerations

Always verify body size and power rating for legacy circuit repairs
If out of stock, comparable alternatives are often available in other brands/values
Mixing too many brands in one circuit rarely affects basic non-critical builds, but for precision, match brand/type where possible
If lead times matter, choose local stock over direct import

CFR12J 100R Resistor Price Comparison & Local Availability in South Africa

Understand the 100R Specification

Compare Pricing & Brands

Source Locally from Communica

Communica South Africa

CFR12J 100R Resistor Overview

Specification Table: CFR12J 100R Key Parameters

Why Compare CFR12J 100R Resistor Prices?

Price Drivers: What Affects the Cost of CFR12J 100R?

CFR12J 100R Price Comparison Table (Typical SA Context)

Application Examples and Power Calculations

Local Stocking and Collection Options

Troubleshooting & Buying Considerations

Sources

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