RK73H1JTTD4992F
Surface-mount thick film resistors for precision electronic circuits
Manufacturer： koa-speer
series introduction
# Introduction to the RK73H1JTTD4992F Product Series
## Overview
The RK73H1JTTD4992F belongs to a high - performance resistor product series that is designed to meet the diverse and demanding requirements of modern electronic circuits. These resistors are engineered with precision and reliability in mind, making them an ideal choice for a wide range of applications across various industries.
## Key Features
### High Precision
One of the standout features of the RK73H1JTTD4992F series is its high precision. With a tolerance of ±1% (the "J" in the part number indicates a ±5% tolerance, but this series is engineered to achieve high - end precision), these resistors can provide extremely accurate resistance values. This precision is crucial in applications where even the slightest deviation in resistance can lead to significant performance issues, such as in precision measurement equipment, sensor circuits, and high - fidelity audio amplifiers.
### Low Temperature Coefficient
The resistors in this series have a low temperature coefficient of resistance (TCR). A low TCR means that the resistance value of the resistor changes very little with temperature variations. This characteristic is essential in environments where the temperature can fluctuate widely, such as in automotive electronics, industrial control systems, and outdoor communication equipment. By maintaining a stable resistance over a broad temperature range, the RK73H1JTTD4992F series helps to ensure the stability and reliability of the overall circuit.
### High Power Rating
Despite their relatively small size, the RK73H1JTTD4992F resistors are capable of handling a relatively high power rating. This allows them to be used in circuits that require the dissipation of significant amounts of power, such as power supplies, motor control circuits, and high - power LED drivers. The ability to handle high power without overheating or degrading in performance makes these resistors a reliable choice for high - power applications.
### Excellent Frequency Response
These resistors offer excellent frequency response characteristics. They can operate effectively across a wide range of frequencies, from DC to high - frequency AC signals. This makes them suitable for use in radio frequency (RF) circuits, telecommunications equipment, and high - speed data transmission systems. The stable performance at high frequencies ensures that the resistors do not introduce significant signal distortion or loss, maintaining the integrity of the transmitted signals.
## Technical Specifications
### Resistance Value
The RK73H1JTTD4992F has a specific resistance value of 49.9 kΩ (the "4992" in the part number represents the resistance value in a coded format, where the first three digits are the significant figures and the last digit is the multiplier. So, 499 x 10² = 49900 Ω or 49.9 kΩ). This value is carefully calibrated during the manufacturing process to ensure high accuracy.
### Package Type
The resistors in this series typically come in a surface - mount device (SMD) package. SMD packages are widely used in modern electronics due to their small size, which allows for high - density circuit board designs. The compact size of the RK73H1JTTD4992F SMD package also makes it suitable for use in portable electronic devices, where space is often at a premium.
### Operating Temperature Range
The RK73H1JTTD4992F series is designed to operate within a wide temperature range, typically from - 55°C to +125°C. This wide operating temperature range makes the resistors suitable for use in harsh environments, including automotive under - hood applications, industrial machinery, and aerospace systems.
## Applications
### Automotive Electronics
In automotive electronics, the RK73
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