TRS Technologies

High-Temperature Ceramics | TRS Technologies

Grades, side by side.

Published values, never rounded.

High-Temperature Ceramics grades compared
Property	TRS 200HD specifications	TRS 203HD specifications	TRS BT200 specifications
Curie temperature (Tc) °C	340	380	430
Density g/cm³	7.90	7.90	7.65
Coercive field (Ec) kV/cm	15.5	Not published	22.5
Dielectric constant (K3)	2500	Not published	1200
Dielectric loss	0.0170	0.013	0.0140
Piezoelectric coefficient (d33) pC/N	400	300	250
Shear coefficient (d15) pC/N	550	350	520
Electromechanical coupling (k33)	0.73	Not published	0.71
Transverse coupling (k31)	-0.40	Not published	-0.34
Shear coupling (k15)	0.68	0.60	0.70
Planar coupling (kp)	0.66	0.54	0.55
Thickness coupling (kt)	0.49	0.45	0.50
Mechanical Q (Qm)	75	Not published	80
Dielectric constant (450 °C)	Not published	Not published	27,524
Transverse coefficient (450 °C) pC/N	Not published	Not published	-219

Curie temperatureTc °C

1. TRS 200HD340 °C
2. TRS 203HD380 °C
3. TRS BT200430 °C

A dash is a value TRS does not publish for that grade.

Choosing a grade.

TRS 200HD
High-temperature grade holding d33 of 400 pC/N to a 340 °C Curie point.
Curie temperature 340 °C
TRS 203HD
High-temperature grade with a 380 °C Curie point, for service above the reach of conventional PZT.
Curie temperature 380 °C
TRS BT200
The highest Curie point TRS publishes at 430 °C, and characterised at 450 °C as well as at room temperature.
Curie temperature 430 °C

Made here.

Pressed ceramic discs and rings beside a tray of powder

What TRS publishes about High-Temperature Ceramics

Temperature-stable sensing in challenging environments
TRS 203HD operates to 300 °C and TRS BT200 to 350 °C
Low cost and low power consumption

Where it is used.

Uses TRS reports

Oil-well logging
Automotive sensors
Vibration and pressure sensors for aerospace and power-plant engines

Need the full High-Temperature Ceramics matrix?

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