materials module

class FR4_7628(*, name=None, thickness=None)

Bases: Dielectric

FR4 Prepreg 7628 - JLC PCB Specified

Parameters:

• name (str | None)

• thickness (float | None)

dielectric_coefficient: ClassVar[float | None] = 4.4

loss_tangent: ClassVar[float | None] = 0.0168

class FR4_3314(*, name=None, thickness=None)

Bases: Dielectric

FR4 Prepreg 3314 - JLC PCB Specified

Parameters:

• name (str | None)

• thickness (float | None)

dielectric_coefficient: ClassVar[float | None] = 4.1

loss_tangent: ClassVar[float | None] = 0.0168

class FR4_1080(*, name=None, thickness=None)

Bases: Dielectric

FR4 Prepreg 1080 - JLC PCB Specified

Parameters:

• name (str | None)

• thickness (float | None)

dielectric_coefficient: ClassVar[float | None] = 3.91

loss_tangent: ClassVar[float | None] = 0.0178

class FR4_2116(*, name=None, thickness=None)

Bases: Dielectric

FR4 Prepreg 2116 - JLC PCB Specified

Parameters:

• name (str | None)

• thickness (float | None)

dielectric_coefficient: ClassVar[float | None] = 4.16

loss_tangent: ClassVar[float | None] = 0.0168

class FR4_Core(*, name=None, thickness=None)

Bases: Dielectric

FR4 Core - JLC PCB Specified

Parameters:

• name (str | None)

• thickness (float | None)

dielectric_coefficient: ClassVar[float | None] = 4.6

loss_tangent: ClassVar[float | None] = 0.0168