Plate heating element 15840-00030-2428

ceramicaluminafor gas

Product overview
The Miniature Disc-Type Alumina Ceramic MCH Heating Element is a precision micro-heater for compact electronic systems. Made from 95% alumina (Al₂O₃), it ensures fast, uniform heating and thermal stability for consistent temperature control in restricted spaces. Supplied in packs of 30 pieces for prototyping and small-scale production.

Product details
This disc-type MCH heater is intended for precise heating in sensors, electronic modules and compact devices. The 95% alumina composition provides high thermal conductivity and mechanical stability for repeated heating cycles. The disc geometry promotes even heat distribution, reducing hotspots and extending service life. Its compact size and pre-attached leads facilitate soldering and electrical connection during integration into circuits and precision instruments. Manufactured under quality control to ensure consistent electrical characteristics.

Key Features

• Resistance: 0.65 ± 0.1 Ω for stable and predictable heating
• Dimensions: Diameter 4.9 mm × Thickness 0.55 mm
• Quantity: Pack of 30 pieces
• Construction: Disc-type ceramic with leads for straightforward circuit integration
• Material: 95% alumina (Al₂O₃) with high thermal conductivity and mechanical hardness

Applications
Suitable for micro-heating, gas and electronic sensors, MEMS devices, laboratory instruments, thermal control in compact electronics and other precision heating systems requiring small-form heating elements.

Technical specifications

• Chemical formula: Al₂O₃
• Form: Disc / plate
• Material: Alumina (95% purity)
• CAS Number: 1344-28-1
• Electrical properties: Dielectric constant (1 MHz): 9.1 – 9.7; Volume resistivity (Ω·m): (20°C) > 10¹⁴ | (300°C) > 10¹¹ | (500°C) > 10⁹
• Physical properties: Density 3.72 g/cm³
• Thermal properties: Thermal conductivity (25°C) 25 W/(m·K); Coefficient of thermal expansion (25–500°C) 6.6–7.5 ×10⁻⁶ /°C; (25–800°C) 6.6–7.9 ×10⁻⁶ /°C
• Mechanical properties: Vickers hardness ≥ 13 GPa
• Dimensions & pack: Diameter 4.9 mm × Thickness 0.55 mm; Resistance 0.65 ± 0.1 Ω; Pack quantity: 30 pcs