Description
Every circuit is a conversation, and resistors set the terms. A well-stocked bench is not about the one part you have — it is about the value you can reach for without leaving your chair. The Ohm Library assembles 130 of the most-used resistance values from 1Ω to 1MΩ, 2,600 pieces in total, each a 1/4W metal film resistor with 1% tolerance, so the part you grab is the part your math expects.
Metal film construction delivers the low noise and tight stability that analog circuits, audio builds, and measurement equipment demand. The 1% tolerance means your voltage dividers divide, your bias networks bias, and your filters filter — no surprises at power-up, no debugging sessions that end with “it was just the resistor.”
The kit is organized by value with labeled packaging, so hunting for a 47kΩ takes seconds instead of a drawer-digging expedition. Through-hole format keeps it compatible with breadboards, perfboards, and classic soldering technique — the backbone of every electronics education and repair bench.
Consider the arithmetic of a prototyping bench: a single trip to a component shop costs an hour, a resistor drawer costs ten dollars and a week of frustration, and an unlabeled assortment costs more time than it saves. The Ohm Library solves all three equations at once. The 130-value range was chosen by tabulating the values that actually appear in real designs — the E-series favorites, the bias networks, the voltage dividers, the pull-ups and pull-downs that populate schematics from hobby forums to production reference designs. With 2,600 pieces, the kit is not a sampler; it is a working inventory that restocks itself through dozens of projects.
The right value in reach is the difference between momentum and downtime.
Key Features
- ✦ 130 distinct values from 1Ω to 1MΩ — 2,600 resistors in total
- ✦ 1% tolerance metal film construction for precise, low-noise performance
- ✦ 1/4W (0.25W) power rating — the workhorse spec for most circuits
- ✦ Through-hole package compatible with breadboards and perfboards
- ✦ Labeled, value-organized packaging for instant retrieval
- ✦ Ideal for prototyping, education, and repair work
Technical Specifications
- Resistance Range1Ω ~ 1MΩ (130 values)
- Quantity2,600 pieces per kit
- TypeMetal Film Resistor
- Tolerance1%
- Rated Power1/4W (0.25W)
- PackageThrough Hole (THT)
- Model1ohm-3M series
- ColorSky blue body
Where It Fits
This kit lives on the bench of every electronics student, repair technician, and maker — powering through Arduino projects, audio amplifier experiments, sensor interfacing, and vintage equipment repairs. When a prototyping session stalls on a missing value, the Ohm Library turns a dead stop into a two-second fix, which is exactly how productive sessions stay productive.
Frequently Asked Questions
Q: How many values and pieces are included?
130 distinct values with 2,600 pieces total, covering 1Ω through 1MΩ — the most frequently needed range for general electronics work.
Q: Why metal film instead of carbon film?
Metal film resistors offer lower noise and tighter tolerance (1%), which matters for audio, measurement, and precision analog circuits.
Q: Are these suitable for breadboard prototyping?
Yes, the through-hole leads are standard 0.6mm and seat directly into breadboards, perfboards, and solderless connectors.
Q: What is the power rating?
Each resistor is rated 1/4W (0.25W), the standard workhorse rating for the vast majority of low-voltage circuits.
Q: How are they packaged?
The kit is organized and labeled by value so you can find what you need without sorting through loose piles.
Q: What is the difference between 1% and 5% resistors?
The 1% tolerance in this kit means each resistor is within 1% of its marked value, which keeps divider ratios accurate and reduces the need to hand-select parts for precision circuits.
Q: Are the values labeled individually?
The kit is organized into labeled packages by value, so each drawer or bag holds one resistance value — no need to read color bands to find a 100kΩ.
Q: What voltage range is safe for these resistors?
These are rated for standard low-voltage electronics — 5V, 12V, 24V circuits and similar. Always confirm the power dissipation stays within the 1/4W rating for the current in your specific circuit.
Q: Can I use these for audio circuits?
Yes — the low-noise metal film construction is preferred for audio signal paths, volume controls, and tone circuits, where carbon film resistors can introduce audible hiss and drift.
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