Keysight 478A/H75 Coaxial Thermistor Mount: Precision Temperature Measurement for RF Applications

Erik Prayoga — Tue, 23 Jun 2026 04:43:50 +0000

Keysight 478A/H75 Coaxial Thermistor Mount

Features and Specifications

Frequency range: DC to 18 GHz
VSWR: <1.3:1 (typical)
Power handling: 200 W (CW)
Temperature range: -55°C to +125°C
Connector type: SMA (female)
Dimensions: 1.5″ x 1.5″ x 0.5″
Weight: 0.5 oz

Product Overview

The Keysight 478A/H75 Coaxial Thermistor Mount is a high-quality, precision-engineered device designed for use in a wide range of applications, including:

Temperature measurement
Power measurement
Reflection coefficient measurement
Dielectric constant measurement

The mount features a rugged, all-metal construction that ensures durability and long-term reliability. The SMA (female) connector provides a secure and low-loss connection to the thermistor.

What’s in the Box

Keysight 478A/H75 Coaxial Thermistor Mount
User manual

Benefits

Accurate and reliable temperature measurement
High power handling capability
Wide frequency range
Rugged construction
Easy to use

Value to the Customer

The Keysight 478A/H75 Coaxial Thermistor Mount is an essential tool for anyone who needs to measure temperature, power, or reflection coefficient. Its high quality and reliability make it an ideal choice for use in demanding applications.

Mount – Erik Prayoga

Keysight 478A/H75 Coaxial Thermistor Mount: Precision Temperature Measurement for RF Applications