{"id":7179,"date":"2022-08-18T19:45:43","date_gmt":"2022-08-18T09:45:43","guid":{"rendered":"https:\/\/amateurradiosupplies.com.au\/?post_type=product&#038;p=7179"},"modified":"2026-03-11T12:04:28","modified_gmt":"2026-03-11T01:04:28","slug":"spiderbeam-ft240-61-mnzn-ferrite-toroid","status":"publish","type":"product","link":"https:\/\/amateurradiosupplies.com.au\/index.php\/product\/spiderbeam-ft240-61-mnzn-ferrite-toroid\/","title":{"rendered":"Spiderbeam FT240-61 MnZn Ferrite Toroid Ring"},"content":{"rendered":"<p>FT240-61: Original Fair-Rite high quality toroid. These are ideal to construct Baluns for 3 to 50MHz or EMI noise suppression above 200MHz.<br \/>\nFerrite toroid&#8217;s can be used as common mode choke, impedance transformer or balun.<br \/>\nCommon mode choke.<br \/>\n61-Material is a good wide band common mode suppression solution in the high frequency range from 25 up to 2000 MHz.<br \/>\nIf you use multiple cable turns around the ring core, the suppression will increase while the frequency will decrease.<br \/>\nSingle turn frequency range 200 \u2013 2000 MHz. Multiple turns 25 \u2013 300 MHz.<br \/>\nWide band transformer.<br \/>\nYou can make excellent impedance transformers in the frequency range from 15 up to 200 MHz as well.<br \/>\nTypical applications are end fed antenna impedance transformers, off center fed antenna impedance transformers or 1:1 Balun\u2019s.<\/p>\n<p>Specifications:<br \/>\nFair-Rite 5961003801: MnZn Ferrite Toroid, 61 material, wide band transformers up to 200 MHz, permeability ui=125<br \/>\nFair-Rite 5961003801 Size: Diameter 61mm, Height 12.55mm Hole Size 36mm, color Grey<br \/>\nFerroxcube 4C65 Equivalent<br \/>\nAL (nH): 170<br \/>\nSuitable for: Broadband and EMI filters<br \/>\nSuitable for: HF high power balun up to 1 kW.<br \/>\nOuter diameter (metric): 61 mm<br \/>\nInner diameter (metric): 35.55 mm<br \/>\nHeight (metric): 12.7 mm<\/p>\n","protected":false},"excerpt":{"rendered":"<p>FT240-61: Original Fair-Rite high quality toroid. These are ideal to construct Baluns for 3 to 50MHz or EMI noise suppression [&hellip;]<\/p>\n","protected":false},"featured_media":16310,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-7179","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"shipping-taxable","11":"purchasable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product\/7179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/comments?post=7179"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media\/16310"}],"wp:attachment":[{"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/media?parent=7179"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_brand?post=7179"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_cat?post=7179"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/amateurradiosupplies.com.au\/index.php\/wp-json\/wp\/v2\/product_tag?post=7179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}