What are the series of Ever Ohms thin film resistors?

Complete Analysis of Tian'er Thin Film Resistance Series: Precise Selection and Application Guide
From high-precision medical equipment to high-frequency communication base stations, Tian'er thin film resistors have become a powerful tool for electronic design engineers to tackle complex circuit challenges due to their excellent accuracy and reliability.
Tian'er Technology's thin film resistors provide ultra-high precision from ± 0.01% to high-power processing capability of 3W. The temperature coefficient of the TR series can be as low as ± 2ppm/℃, ensuring that the circuit remains stable over a wide temperature range of 55 ℃ to+175 ℃.
Tian'er Technology was founded in 1988. After more than 30 years of technological accumulation, its thin-film resistor products have formed a complete technical matrix and play a key role in many high-end electronic devices.
01 High precision thin film resistor series
The core competitiveness of Tian'er thin film resistors lies in their excellent precision control capability. As a representative of high-precision thin film resistors, the TR series is manufactured using advanced thin film technology, with a resistance accuracy of ± 0.01% at an ultra-high level.
This series of products form a nanoscale thickness resistive film layer on ceramic substrates through vacuum sputtering technology, ensuring high stability and repeatability of resistance values.
In terms of temperature coefficient, the TR series performs well, with some models having TCR values as low as ± 2ppm/℃, which means that the fluctuation of resistance values is minimal when the temperature changes. This characteristic is crucial for medical equipment and precision measuring instruments.
The packaging sizes of high-precision thin film resistors on Tian'er are diverse, ranging from tiny 0402 to larger 2010 and 2512 packages, with power ranges ranging from 1/16W to 0.25W, meeting the needs of different circuit layouts.
02 High power thin film resistor series
Faced with high-power application scenarios, Tian'er's thin-film resistors also perform well. These products achieve high power handling capabilities in a compact size by optimizing thermal management design.
For example, some high-power thin-film resistor series can provide high power carrying capacity in the 2512 package size, effectively reducing operating temperature and improving product life and stability through special materials and structural design.
This type of resistor adopts advanced thermal management design, which can effectively dissipate the heat generated during operation and avoid performance degradation caused by overheating. Good heat dissipation performance enables them to work stably for a long time in harsh environments.
High power thin film resistors are widely used in power management systems, industrial automation equipment, and energy conversion equipment. In these occasions, they undertake important functions such as current detection, power regulation, and circuit protection.
03 High frequency thin film resistor series
With the development of communication technology, high-frequency circuits have put forward higher requirements for resistive elements. Tian'er's high-frequency thin film resistor series is designed specifically for RF circuits and has excellent frequency response characteristics.
The core advantage of this series of products lies in their extremely low parasitic capacitance and inductance, which can effectively suppress distortion problems during high-frequency signal transmission.
Through special thin film technology and structural design, these resistors can maintain stable performance under high-frequency conditions, ensuring signal integrity and transmission quality.
High frequency thin film resistors typically have a low resistance range, ranging from 0.1 Ω to 10 Ω, and are suitable for fields such as RF circuits, filters, and signal conditioning.
In 5G communication equipment, wireless communication modules, and radar systems, Tian'er high-frequency thin film resistors play an irreplaceable role in providing reliable guarantees for high-speed data transmission.
04 Metal Film Resistance Series
The TRL series, as a representative of Tian Er metal film resistors, is designed specifically for high-precision current detection. This series of products uses special metal resistance materials and barrier layer structures to maintain stable electrical characteristics over a wide temperature range.
This series has a wide range of resistance values, from 0.0005 Ω to 10 Ω, covering the needs of most current detection applications. The resistance tolerance can be selected as ± 1%, ± 3%, or ± 5%, with a temperature coefficient as low as ± 50ppm/° C.
The TRL series offers various package sizes such as 1206, 2010, and 2512, with power capacities ranging from 0.75W to 3W. Its high power density design enables it to handle larger power loads even in a compact space.
In terms of electrical performance, the TRL series has excellent long-term stability and low inductance characteristics (≤ 5nH), providing reliable guarantees for high-precision current sensing.
This type of resistor is widely used in automotive electronics, industrial control, and communication equipment, especially playing a key role in the battery management system (BMS) of new energy vehicles.
05 Comparison and Selection Guide for Various Series
The diversity of Tian'er thin film resistors provides suitable choices for different applications. High precision series (such as TR) are suitable for medical equipment and precision instruments; The high-power series is suitable for power management; High frequency series optimized for communication equipment; The metal film series (such as TRL) focuses on current detection.
When selecting, it is necessary to first clarify the core requirements of the application scenario. If pursuing ultimate precision and stability, the TR series should be given priority consideration; If facing high-power environments, it is necessary to choose specialized high-power thin film resistors.
For designs with limited space, Tian'er offers micro packaging options such as 0402 and 0603, which can maintain good electrical performance in extremely small volumes.
The working environment temperature is another key consideration factor. Tian'er's thin film resistors have a wide operating temperature range, and some models can maintain stable performance under extreme conditions from 55 ℃ to+175 ℃.
The balance between cost and performance is also important. For non critical circuits, selecting the standard accuracy level is sufficient; For the core components that affect the overall performance of the system, higher precision models should be considered.
The following table summarizes the core characteristics of each major series:
|Series Type | Core Features | Typical Accuracy | Main Application Fields|
|High precision thin-film resistors (TR series) | Ultra high precision, low temperature drift, good long-term stability | ± 0.01%~± 0.1% | Medical equipment, precision instruments, laboratory equipment|
|High power thin-film resistors | Strong power processing capability, excellent heat dissipation performance | ± 1%~± 5% | Power management, industrial equipment, energy conversion|
|High frequency thin film resistor | Low parasitic parameters, excellent high-frequency characteristics | ± 0.1%~± 1% | RF circuit, 5G communication, signal processing|
|Metal film resistor (TRL series) | Low resistance, high stability, suitable for current detection | ± 1%~± 5% | Automotive electronic BMS, industrial control, power circuit|
With the continuous development of electronic devices towards miniaturization and high integration, the technological innovation of Tian'er thin film resistors is also advancing synchronously. Smaller packaging size, higher power density, and lower temperature coefficient have become the focus of research and development.
In emerging fields such as new energy vehicles and 5G communication, there is an increasing demand for reliability and stability of resistor components. With its technological accumulation and product advantages, Tian'er thin film resistors will continue to play an important role in these high growth markets.