Resistor Toolkit

Contains ads
500+
Downloads
Content rating
Everyone
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About this app

Resistor Toolkit is a high-precision industrial utility designed for electrical engineers, technicians, and hobbyists. This update transforms the app into a comprehensive electronics suite, moving beyond simple color bands to include advanced SMD interpretation and safety simulations.

Key Engineering Features:
Color Band Decoder: Decode 4, 5, and 6-band axial resistors with a high-fidelity visual interface.

SMD Component Interpreter: Full support for 3-digit, 4-digit, and high-precision EIA-96 (1%) surface mount codes.

Safe Operating Area (SOA) Simulator: Unique safety logic that calculates maximum safe voltage and current limits based on component wattage and resistance.

Market Standard Integration: Automatically suggests the closest E24 or E96 standard values for your custom calculations, ensuring you select components that are actually available in local stores.

Industrial UI: A professional, distraction-free interface featuring custom component painters, Dark Mode support, and tactile input for field use.

Technical References Included:
Package Geometry: Reference dimensions for common SMD sizes like 0402, 0603, 0805, 1206, and more.

Notation Support: Interprets "R-notation" (e.g., 4R7 = 4.7Ω) commonly used in schematic designs.

Component Physics: Quick guides on the performance differences between Carbon Film and Metal Film resistors.

Built by engineers for engineers, Resistor Toolkit ensures your circuit calculations are accurate, safe, and professional.
Updated on
Mar 10, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

NEW: SMD Resistor Decoder – Full support for 3-digit, 4-digit, and high-precision EIA-96 codes.

Safe Operating Area (SOA) – Tap values to see calculated safe voltage and current limits.

Industrial UI – Professional redesign with enhanced precision component painters and Dark Mode.

Market Standards – Automatically suggests the closest E24/E96 standard values.

Technical Reference – Quick guides for case sizes, film types, and R-notation.

App support

About the developer
Damith Nalinda Bandara Liyanage
dasibhadl@gmail.com
Sri Lanka

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