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RF Inductor Film Type  -LQP Series-

LQP Series

The film inductors in the LQP series have a different set of features, since micromachining of the coil patterns is enabled by forming the electrodes using a photolithography technique. The inductors can have smaller sizes and high Q characteristics, while at the same time the series offers a lineup of inductors with inductance values that both deviate minimally and are finely graded. The lineup consists of a wide range of the inductors in the 0201/0603 size, which is becoming the mainstream, and in the 01005/0402 size, which is the smallest in the industry, and both sizes support the trend toward miniaturized sizes. These inductors are used in the matching and resonance circuits of RF units that require miniaturized sizes, minimal tolerance in inductance and finely graded inductance levels. They are also used in choke circuits that demand miniaturized sizes and low Rdc.

Features

Ultra-miniature size
 
High Q value and small size

The feature of the film type is also the Q factor that is higher than the monolithic method which is adopted by other companies in the same industry. Murata offers the film type in the small 0201/0603 size and the 01005/0402 size. (Figure 1)
Lineup of Small products.(Selection tool)

Figure 1: Comparison of Q Characteristics between 0603 Size, LQP03TN Series and Monolithic Products of Other Companies (both 10 nH)

Figure 1: Comparison of Q Characteristics between 0603 Size,
LQP03 Series and Monolithic Products of Other Companies (both 10 nH)

Minimal tolerance in inductance, finely graded inductance levels

The tolerance between the monolithic structure and the film structure products of high frequency coils and L value lineup are shown in the following table. Compared with the monolithic type, the position accuracy of the film type is more accurate when forming the coil. Therefore, there is less variation in the L value, which allows for less tolerance and tighter steps.

Figure 2: Step and Tolerance of Inductance

Figure 2: Step and Tolerance of Inductance

Selection tool

LineUp of Small Products LQP02HQ LQP02TQ LQP02TN LQP03HQ LQP03TQ LQP03TN_02 LQP03TG LQP03PN LQP03TN_Z2

General (Click here to see the Automotive Products)

Size Code
in inch (in mm)
Applications Inductance (H)
Inductance Range Rated Current Range

Part Number

List

01005(0402) General 0.2nH - 39nH 90mA - 1A Click
0201(0603) General 0.1nH - 270nH 60mA - 1.4A Click
0402(1005) General 1nH - 33nH 60mA - 400mA Click
0603(1608) General 1.3nH - 100nH 50mA - 300mA Click

For Automotive

Infotainment : The product for entertainment equipment like car navigations, car audios, and body control equipment like wipers, power windows.
Powertrain : The product for high reliability applications like powertrain and safety, in addition to infortainment applications.
Size Code
in inch (in mm)
Applications Inductance (H)
Inductance Range Rated Current Range

Part Number

List

0201(0603) Infotainment 0.6nH - 120nH 80mA - 850mA Click
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