CN205177545U - Paster high frequency electric feels - Google Patents

Abstract

The utility model discloses a paster high frequency electric feels, including a body, an iron core, a coil, two magnetic conductive plate, both ends electrode, a feeling warm piece and a fin, the lateral surface of iron core is located to this coil cover, and this iron core, coil, two magnetic conductive plate, both ends electrode are all inlayed the shaping with the body with feeling warm piece and be in the same place, and two magnetic conductive plate expose the upper and lower surface of body respectively and lie in the coil respectively directly over under with, and this both ends electrode wraps up the both ends of body respectively, two pins of coil respectively with both ends electric connection. Through being provided with the fin for the heat that this product produced can in time dispel the heat, and the radiating effect effectively strengthens, is provided with iron core and two magnetic conductive plate through the cooperation, makes the high frequency response reinforcing of product, guarantees the performance of product, and this product has excellent features such as can being able to bear or endure heavy current, high -power, high energy storage, high impedance, noiseless, high saturation magnetic flux density, moreover small, light in weight, the reliability is high, the shock resistance is strong.

Description

Paster high-frequency inductor

Technical field

The utility model relates to inductance art, refers in particular to a kind of paster high-frequency inductor.

Background technology

Inductor can be the element that magnetic energy stores electric energy conversion.The similar of inductor in transformer, but only has a winding.Inductor has certain inductance, and it only stops the change of electric current.If do not have electric current to pass through in inductor, then it stops electric current to flow through it; If there is electric current to flow through it, then circuit disconnect time it will attempt maintenance electric current constant.The various coils of inductor insulated conductor coiling are called inductance.Be coiled into a circle or multiturn to produce the electronic component of certain self-inductance with wire, often claim inductance coil or be called for short coil.Inductor is widely used in electronic circuit, for realizing one of the main element of vibration, tuning, coupling, filtering, delay, deflection.In order to increase inductance value, put forward high q-factor and reduced volume, in coil of being everlasting, insert magnetic core.Along with the develop rapidly of electronics and information industry, patch type electronic component is adopted in a large number, and SMT Inductor is exactly one of them.

But current SMT Inductor ubiquity radiating effect is bad, the problem that high frequency performance is not good, be necessary to improve current SMT Inductor.

Summary of the invention

In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of paster high-frequency inductor, and it effectively can solve existing SMT Inductor and there is the problem that radiating effect is bad, high frequency performance is not good.

For achieving the above object, the utility model adopts following technical scheme: a kind of paster high-frequency inductor, includes a body, an iron core, a coil, two magnetic conduction sheets, two end electrodes, a thermal sensitive piece and a fin, this coil is sheathed on the lateral surface of iron core, this iron core, coil, two magnetic conduction sheets, two end electrodes and thermal sensitive piece are all together with body produced by insert molding, coil is positioned at body, two magnetic conduction sheets expose respectively body upper and lower surface and to lay respectively at directly over coil and immediately below, this two end electrodes wraps the two ends of body respectively, the two pins of coil is electrically connected with two end electrodes respectively, this thermal sensitive piece is in one end of iron core with wherein between a magnetic conduction sheet, this fin is covered in the outer surface of body, fin and two end electrodes completely cut off, the apparent height of fin is lower than the apparent height of termination electrode.

Preferably, described body is made up of epoxy resin layer and the metal bisque be coated on outside epoxy resin layer.

Preferably, described coil is made up of a copper cash and the insulating barrier be coated on outside this copper cash.

The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution: by being provided with fin, the heat that this product is produced can dispel the heat in time, radiating effect effectively strengthens, by being equipped with cored and two magnetic conduction sheets, the high frequency characteristics of product is strengthened, ensure the serviceability of product, this product has can the good characteristic such as resistance to big current, high-power, high energy storage, high impedance, noiseless, high saturation magnetic flux density, and volume is little, lightweight, reliability is high, shock resistance is strong.

For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.

Accompanying drawing explanation

Fig. 1 is the schematic cross-section of the preferred embodiment of the utility model.

Accompanying drawing identifier declaration:

10, body 20, iron core

30, coil 31, pin

40, magnetic conduction sheet 50, termination electrode

60, thermal sensitive piece 70, fin

Embodiment

Please refer to shown in Fig. 1, that show the concrete structure of the preferred embodiment of the utility model, include body 10, iron core 20, coil 30, two magnetic conduction sheet 40, two end electrodes 50, thermal sensitive piece 60 and a fin 70.

This body 10 is made up of epoxy resin layer and the metal bisque be coated on outside epoxy resin layer, this coil 30 is sheathed on the lateral surface of iron core 20, this iron core 20, coil 30, two magnetic conduction sheets 40, two end electrodes 50 and thermal sensitive piece 60 are all together with body 10 produced by insert molding, coil 30 is positioned at body 10, two magnetic conduction sheets 40 expose respectively body 10 upper and lower surface and to lay respectively at directly over coil 30 and immediately below, this two end electrodes 50 wraps the two ends of body 10 respectively, the two pins 31 of coil 30 is electrically connected with two end electrodes 50 respectively, this thermal sensitive piece 60 is in one end of iron core 20 with wherein between a magnetic conduction sheet 40, this fin 70 is covered in the outer surface of body 10, fin 70 completely cuts off with two end electrodes 50, the apparent height of fin 70 is lower than the apparent height of termination electrode 50.In the present embodiment, described coil 30 is made up of a copper cash and the insulating barrier be coated on outside this copper cash.

Design focal point of the present utility model is: by being provided with fin, the heat that this product is produced can dispel the heat in time, radiating effect effectively strengthens, by being equipped with cored and two magnetic conduction sheets, the high frequency characteristics of product is strengthened, ensure the serviceability of product, this product has can the good characteristic such as resistance to big current, high-power, high energy storage, high impedance, noiseless, high saturation magnetic flux density, and volume is little, lightweight, reliability is high, shock resistance is strong.

Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.

Claims (3)

1. a paster high-frequency inductor, is characterized in that: include a body, an iron core, a coil, two magnetic conduction sheets, two end electrodes, a thermal sensitive piece and a fin, this coil is sheathed on the lateral surface of iron core, this iron core, coil, two magnetic conduction sheets, two end electrodes and thermal sensitive piece are all together with body produced by insert molding, coil is positioned at body, two magnetic conduction sheets expose respectively body upper and lower surface and to lay respectively at directly over coil and immediately below, this two end electrodes wraps the two ends of body respectively, the two pins of coil is electrically connected with two end electrodes respectively, this thermal sensitive piece is in one end of iron core with wherein between a magnetic conduction sheet, this fin is covered in the outer surface of body, fin and two end electrodes completely cut off, the apparent height of fin is lower than the apparent height of termination electrode.

2. paster high-frequency inductor as claimed in claim 1, is characterized in that: described body is made up of epoxy resin layer and the metal bisque be coated on outside epoxy resin layer.

3. paster high-frequency inductor as claimed in claim 1, is characterized in that: described coil is made up of a copper cash and the insulating barrier be coated on outside this copper cash.