SIRIO脈沖變壓器112系列介紹
111, 112, 113, 114 Families Features
Different sizes drive and pulse transformers based on toroidal cores. Characteristics of these components are quite different, because several magnetic core materials can be used and different windings distribution can be chosen. Ferrite core is the cheapest choice for high frequency applications. Alternatively, more expensive magnetic materials are available, based on metallic lamination, even amorphous, or nanocrystalline materials. Those laminated materials have much higher values of saturation flux density (compared to ferrite materials), that allows to reduce dimensions especially for applications switching at low frequency values (some tens of kHz), and a much more stable behaviour with temperature, so they are preferred in case of critical environment conditions. From the construction's point of view, there are many different ways to arrange windings, but we can consider basically two main kinds of winding layout with complementary characteristics, the multifilar style and the separated sectors style. The aim of the multifilar winding process is to achieve low leakage inductance values, in order to get very short rise times but, on the other hand, the coupling capacity gets very high values; it is used mainly for low working voltage applications as the isolation is guaranteed entirely by the isolating covering material of the wires. You can get very similar characteristics, even by placing the windings one above the other and not all together in parallel. The separated sectors winding style is preferable for high working voltage applications, as the isolation is guaranteed not only by the wires but also by other insulating materials between the windings. This style is characterized by low coupling capacity and high leakage inductance. They are tipically used in IGBTs, power MOSFETs and BJTs high frequency firing or in lower frequency applications with Thyristors and Triacs. Standard versions are available with one or two secondary windings.
Toroidal components generally have very good technical features but, on the other hand, the production process is by nature a one-by-one building style, that cannot be made automatically, and this is the reason why the final cost is much higher if compared with the components based on linear winding process.
111, 112, 113, 114 系列特色
基于環(huán)形磁芯的不同尺寸驅(qū)動(dòng)和脈沖變壓器。這些組件的特性有很大不同，因?yàn)榭梢允褂枚喾N磁芯材料，并且可以選擇不同的繞組分布。鐵氧體磁芯是高頻應(yīng)用中最便宜的選擇?；蛘?，更昂貴的磁性材料是可用的，基于金屬層壓，甚至是非晶或納米晶體材料。這些層壓材料具有更高的飽和磁通密度值（與鐵氧體材料相比），可以減小尺寸，尤其是在低頻值（幾十 kHz）下切換的應(yīng)用中，并且隨著溫度的變化更加穩(wěn)定，因此它們是在關(guān)鍵環(huán)境條件下首選。從結(jié)構(gòu)上看，繞組的排列方式有很多種，但基本上可以考慮兩種具有互補(bǔ)特點(diǎn)的主要繞組布局，即多股式和扇形式。多股繞組工藝的目的是實(shí)現(xiàn)低漏感值，以獲得非常短的上升時(shí)間，但另一方面，耦合電容值非常高；它主要用于低工作電壓應(yīng)用，因?yàn)榻^緣完全由電線的絕緣覆蓋材料保證。您可以獲得非常相似的特性，即使將繞組放置在另一個(gè)之上而不是全部并聯(lián)在一起也是如此。對(duì)于高工作電壓應(yīng)用，分離扇區(qū)繞組樣式更可取，因?yàn)榻^緣不僅由電線保證，而且由繞組之間的其他絕緣材料保證。這種風(fēng)格的特點(diǎn)是低耦合容量和高漏感。它們通常用于 IGBT、功率 MOSFET 和 BJT 高頻觸發(fā)或與晶閘管和三端雙向可控硅開關(guān)的低頻應(yīng)用。標(biāo)準(zhǔn)版本可提供一個(gè)或兩個(gè)次級(jí)繞組。
環(huán)形組件通常具有非常好的技術(shù)特性，但另一方面，生產(chǎn)過程本質(zhì)上是一個(gè)接一個(gè)的建筑風(fēng)格，不能自動(dòng)制造，這就是為什么如果比較最終成本要高得多的原因與基于線性纏繞工藝的組件。
SIRIO脈沖變壓器TI系列其他常用型號(hào)：
SIRIO TI 112010
SIRIO TI 112020
SIRIO TI 112045
SIRIO TI 112130
SIRIO TI 112140
SIRIO Pulse Transformers NEW + ORIGINAL+ ONE YEAR WARRANTY
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SIRIO脈沖變壓器112系列介紹
