Resistors
Tools for resistance, voltage scaling, current limiting, resistor networks, and power checks.
- Released Calculators
- 6
Popular tools
- Ohm's Law
- Voltage Divider
- LED Resistor
Calculator Categories
Explore ECParts Toolkit by component family and engineering workflow. Each category links to released calculators with documented formulas, examples, engineering notes, and related resources.
Capacitors
RC timing, reactance, filtering, stored energy, and capacitor selection support.
- Released Calculators
- 6
Popular tools
- RC Time Constant
- RC Low-pass Filter
- RC High-pass Filter
Inductors
Inductance, LC resonance, stored energy, converter magnetics, and EMI filter tools.
- Released Calculators
- 5
Popular tools
- LC Resonance
- RL Time Constant
- Air Core Inductor
Diodes
Design aids for zener regulation, rectifiers, diode drops, clamping, and protection circuits.
- Released Calculators
- 6
Popular tools
- Bridge Rectifier
- Diode Power
- Forward Voltage
Transistors
Transistor calculators for BJT switching, gain, bias design, saturation, power dissipation, and amplifier analysis.
- Released Calculators
- 10
Popular tools
- BJT Base Resistor
- Bias Design
- Amplifier Gain
LEDs
LED current limiting, indicator circuits, LED arrays, strips, and power estimation.
- Released Calculators
- 12
Popular tools
- LED PWM Dimming
- LED Driver Efficiency
- LED Thermal
MOSFETs
Switching device tools for conduction loss, gate drive, load switches, and thermal design.
- Released Calculators
- 10
Popular tools
- Efficiency
- Thermal Resistance
- Total Power
Power
Power electronics tools for regulators, converters, thermal margins, and component stress.
- Released Calculators
- 10
Popular tools
- Power Factor
- Ohm's Law
- Inrush Current
PCB
Board-level calculators for trace design, copper thickness, via current, and thermal constraints.
- Released Calculators
- 10
Popular tools
- Trace Width
- Differential Pair
- Microstrip / Stripline
Converters
Engineering unit converters for RF power, wire gauge, numeric formats, and design workflows.
- Released Calculators
- 4
Popular tools
- Frequency Period
- AWG Converter
- dBm to Watt
Operational Amplifiers
Op amp tools for gain, feedback, filters, signal conditioning, and analog applications.
- Released Calculators
- 12
Popular tools
- Non-Inverting Gain
- Slew Rate
- Gain Bandwidth Product
Batteries
Battery tools for capacity, runtime, charging, pack configuration, and energy budgeting.
- Released Calculators
- 10
Popular tools
- Battery Life
- Capacity Converter
- Battery Energy
- Charging Time
- Battery Discharge
- Battery Runtime
- Pack Voltage
- Series Parallel
- C-Rate
- Efficiency
RF
RF tools for wavelength, impedance, antennas, RF power, matching, and wireless engineering.
- Released Calculators
- 12
Popular tools
- RF Wavelength
- RF Power
- Link Budget
- Coax Cable Loss
- Noise Figure
- Friis Transmission
Communication
Communication tools for UART, I2C, SPI, CAN, RS-485, throughput, latency, and embedded interfaces.
- Released Calculators
- 12
Popular tools
- UART Baud Rate
- Data Rate
- Network Throughput
- Latency
Digital Logic
Digital electronics tools for logic, binary systems, coding, checksums, and timing.
- Released Calculators
- 12
Popular tools
- Counters
- Frequency Divider
- Digital Timing
- Logic Levels
Filters
Filter tools for cutoff frequency, bandwidth, resonance, passive filters, and active filters.
- Released Calculators
- 12
Popular tools
- Q Factor
- RLC Filter
- LC Filter
- Sallen-Key
Oscillators
Timing tools for oscillator frequency, duty cycle, pulse width, clocks, and timers.
- Released Calculators
- 12
Popular tools
- 555 Astable
- Ring Oscillator
- VCO
- PPM Tolerance
Sensors
Sensor tools for measurement circuits, interfaces, signal conditioning, and sensing design.
- Released Calculators
- 12
Popular tools
- ADC Resolution
- Photodiode TIA
- Analog Scaling
- Calibration
Motors
Motor tools for speed, torque, power, gearing, stepper motors, BLDC motors, and motion systems.
- Released Calculators
- 12
Popular tools
- Torque Power Speed
- Back EMF
- Stall Current
- Kv & Kt
- Efficiency
- Copper Loss
- PWM Voltage
- Encoder RPM
- Gear Ratio
- Stepper Resolution
- Stepper Pulse Frequency
- BLDC Electrical Frequency
Thermal
Thermal tools for junction temperature, thermal resistance, heat sinks, and electronics cooling.
- Released Calculators
- 12
Popular tools
- Thermal Resistance & Temperature Rise
- Heat Sink Thermal Resistance
- Thermal Resistance Network
- Thermal Derating
- NTC Thermistor
- RTD PT100 / PT1000
- Thermal Interface Material
- Heat Conduction
- Thermal RC Time Constant
- Convection Heat Transfer
- Enclosure Temperature Rise
- Temperature Coefficient
Wire & Cable
Wire and cable tools for resistance, voltage drop, current capacity, and cable losses.
- Released Calculators
- 12
Popular tools
- Wire Resistance
- Wire Voltage Drop
- Wire Size
- Maximum Wire Length
- Wire Power Loss
- Current Density
- Parallel Wire
- Wire Geometry & Circular Mils
- Wire Resistivity & Conductivity
- Wire Mass & Weight
- Wire Resistance vs Temperature
- Wire Gauge Comparison
Transformers
Transformer tools for turns ratio, voltage, current, impedance, power, and winding design.
- Released Calculators
- 12
Popular tools
- Transformer Turns Ratio
- Transformer VA & Load
- Reflected Load
- Series / Parallel Windings