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Microstrip calculator || Stripline calculator || Differential pair calculator || Via current calculator || PCB trace current calculator || Planar inductor calculator || Padstack calculator || Crosstalk calculator || Ohm’s Law calculator || XC XL Reactance calculator || BGA Land calculator || Er Effective calculator || Wavelength calculator || PPM Calculator

The Saturn PCB Toolkit is the best freeware resource for PCB related calculations you can find.
It incorporates many features that PCB designers and engineers are in regular need of like current capacity of a PCB trace, via current, differential pairs and much more.

## Program includes:

PCB Via Current Calculator per IPC-2152

Calculates the current a via needs to raise its temperature over ambient per IPC-2152.
Other via properties include:
Via capacitance
Via inductance
Via impedance
Via step response
Via DC resistance
Via impedance
Via resonant frequency
Via thermal resistance
Via voltage drop
Via power dissipation in dBm

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PCB Trace Width Calculator & PCB Trace Resistance Calculator per IPC-2152

Calculates the current a conductor needs to raise its temperature over ambient
per IPC-2152. Now also calculates DC resistance with temperature compensation.
Other conductor properties include:
Conductor skin depth
Conductor voltage drop
Conductor DC resistance
Conductor power dissipation
Conductor voltage drop
Skin depth
Skin depth percentage

Bandwidth Calculator & Max PCB Trace Length Calculator

Calculates the bandwidth of a digital signal and maximum trace length, using the IPC-2251 method or the
frequency domain method, for transmission line effects.

Wavelength calculator
Calculates the wavelength of a signal using Ereff.

Differential Pair Impedance Calculator

Calculates the differential pair impedance of a balanced line.

Edge coupled differential pair
Edge coupled internal symmetric differential pair
Edge coupled internal asymmetric differential pair
Edge coupled embedded differential pair

Calculates the outer and inner layer diameters of a padstack given the drill size. BGA land calculator based on the IPC-7351A specification.
BGA Land calculator to determine optimal pad size based on ball diameter.
Conductor to Pad calculator to determine maximum conductor width and pad diameter.
Conductor to BGA land calculator to determine maximum trace width for BGA breakout.
Corner to corner calculator to determine the diagonal distance of a square / rectangular aperture.

Mechanical Data

Calculates wire diameter for a given AWG gauge.
Drill chart with imperial and metric diameters.

Minimum PCB Conductor Spacing Chart

Calculates minimum conductor spacing’s using peak AC or DC voltage based on IPC-2221A data.

PCB conductor Impedances

Calculates impedance of a PCB Microstrip or PCB Stripline.

Microstrip
Embedded microstrip
Stripline symmetrical
Stripline asymmetrical
Dual stripline
Coplanar structure

Units Conversion Data

Converts C to F, F to C.
Converts mm to mils, mils to mm.
Gain in dB, Voltage gain.
Rectangular to Polar conversion

dBm Chart
SI Prefixes
Ohms Law

Planar Inductor Calculator

Calculates the inductance of a planar PCB inductor.

Square planar inductor.
Hexagonal planar inductor.
Octagonal planar inductor.
Circular planar inductor.

Power Delivery System Impedance Calculator

Calculates the target impedance of a PDN.

Thermal Resistance Calculator

Calculates the junction temperature of a device using thermal resistance.

Embedded Resistor Calculator

Calculates the resistance (Ohms) of an embedded resister based on given geometry.

Crosstalk Calculator

Calculates coupled voltage between two conductors based on rise time, voltage, length and spacing.

Please check back often, this program is updated often per customer requests.

Fusing Current

Uses Onderdonk’s equation to determine the fuse current of a conductor.

Effective Dielectric Constant Calculator

Uses the E. Hammerstad and O. Jensen equation to determine effective dielectric constant of a microstrip.