RK73H1JTTD3402F
Surface-mount thick film resistors with precise resistance values
Manufacturer： koa-speer
series introduction
# Introduction to the RK73H1JTTD3402F Product Series
## Overview
The RK73H1JTTD3402F belongs to a specialized and high - performance product series, typically falling within the realm of electronic components, specifically resistors. These resistors are engineered to meet the demanding requirements of modern electronic circuits, offering a combination of precision, reliability, and durability.
## Key Features
### 1. High Precision
- The RK73H1JTTD3402F resistors are known for their exceptional precision. With a tolerance level that is tightly controlled, they can provide highly 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 - end audio amplifiers.
- The specific resistance value of the RK73H1JTTD3402F is 34.0 kΩ (as indicated by the code 3402, where the first three digits 340 represent the significant figures and the last digit 2 indicates the number of zeros to be added after the significant figures). The tolerance of the “J” in the part number typically represents a tolerance of ±5%, ensuring that the actual resistance value remains within a narrow range around the nominal 34.0 kΩ.
### 2. Excellent Temperature Stability
- These resistors exhibit remarkable temperature stability. Temperature changes can cause the resistance of a component to vary, which can be a major problem in many electronic systems. The RK73H1JTTD3402F is designed to minimize this effect.
- It has a low temperature coefficient of resistance (TCR). A low TCR means that the change in resistance with respect to temperature is very small. This makes the resistor suitable for use in environments where the temperature can fluctuate widely, such as in automotive electronics, industrial control systems, and outdoor communication equipment.
### 3. High Power Rating
- Despite their relatively small size, the RK73H1JTTD3402F resistors are capable of handling a certain amount of power. The power rating is an important parameter as it determines the maximum amount of power that the resistor can dissipate without overheating and causing damage.
- This high - power handling capability allows the resistors to be used in circuits where relatively high currents or voltages are present, such as in power supplies, motor control circuits, and high - power LED drivers.
### 4. Compact Size
- The RK73H1JTTD3402F resistors are designed in a compact form factor. This is beneficial in modern electronic devices where space is at a premium. Their small size allows for more efficient use of printed circuit board (PCB) space, enabling the design of smaller and more densely packed electronic products.
- The compact size also contributes to reduced weight, which is important in applications such as portable electronics, aerospace, and automotive electronics.
## Construction and Materials
### 1. Substrate
- The resistors are built on a high - quality ceramic substrate. Ceramic substrates offer several advantages, including excellent mechanical stability, high thermal conductivity, and good electrical insulation properties.
- The high thermal conductivity helps in dissipating the heat generated during operation, while the electrical insulation prevents unwanted electrical interference between different parts of the circuit.
### 2. Resistance Element
- The resistance element is made of a special alloy or a thin - film material. These materials are carefully selected to achieve the desired resistance value and performance characteristics.
- Thin - film technology is often used in the manufacturing of the RK73H1JTTD3402F resistors. Thin - film resistors offer better precision, lower noise, and better temperature stability compared to
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