The SMA female 4-hole flange mount RF connector<\/strong> with 8.64 mm hole spacing and stub terminal delivers precise and stable electrical performance across a wide frequency range. Engineered for 50 \u03a9 impedance<\/strong> and operating from DC to 18 GHz, the SMA-KFD37 ensures excellent signal integrity for RF and microwave applications.<\/p>\n The SMA-KFD37 connector<\/strong> achieves VSWR \u2264 1.08<\/strong> and insertion loss \u2264 0.06 \u221aF(GHz) dB<\/strong>, minimizing reflection and guaranteeing efficient power transmission. Its precise flange alignment and solder-attachment termination enable consistent high-frequency performance for both laboratory and production systems.<\/p>\n Manufactured from passivated stainless steel with gold-plated beryllium copper contacts, the SMA-KFD37 RF connector<\/strong> provides outstanding durability, conductivity, and corrosion resistance. The product is fully RoHS and REACH compliant<\/strong>, ensuring safe and sustainable integration in professional-grade RF assemblies.<\/p>\n The 4-hole flange mount configuration<\/a> allows secure panel installation and easy assembly, making the SMA-KFD37 ideal for RF testing equipment, communication instruments, and signal measurement modules<\/strong>. The solder-attachment interface ensures a reliable and low-loss electrical connection.<\/p>\n Discover Mechanc\u2019s complete line of SMA connectors<\/a> designed for stable performance and long-term reliability. Browse the RF Connector Catalog<\/a> to find additional female RF connectors<\/a> and flange-mount solutions for advanced RF integration projects.<\/p>\n","protected":false},"excerpt":{"rendered":" SMA Female 4-Hole Flange Mount RF Connector \u2013 Solder Attachment, Model SMA-KFD37 The SMA female 4-hole flange mount RF connector with 8.64 mm hole spacing and stub terminal delivers precise and stable electrical performance across a wide frequency range. Engineered for 50 \u03a9 impedance and operating from DC to 18 GHz, the SMA-KFD37 ensures excellent […]<\/p>\n","protected":false},"featured_media":1710,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false},"attachment-method":[],"body-material":[],"body-style":[],"center-conductor-type":[],"connection-type":[],"dielectric-type":[],"frequency-max":[],"connector-gender":[],"impedance":[],"interface-type":[],"jacket-material":[],"main-feature":[],"max-operating-temperature":[],"mount-method":[],"no-of-shields":[],"connector-series":[],"termination-type":[],"vswr-max":[],"vswr-typical":[],"product_brand":[],"product_cat":[17,50],"product_tag":[],"product_application":[],"class_list":["post-9785","product","type-product","status-publish","has-post-thumbnail","product_cat-rf-connectors","product_cat-sma-connectors","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/product\/9785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/comments?post=9785"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/media\/1710"}],"wp:attachment":[{"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/media?parent=9785"}],"wp:term":[{"taxonomy":"attachment-method","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/attachment-method?post=9785"},{"taxonomy":"body-material","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/body-material?post=9785"},{"taxonomy":"body-style","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/body-style?post=9785"},{"taxonomy":"center-conductor-type","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/center-conductor-type?post=9785"},{"taxonomy":"connection-type","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/connection-type?post=9785"},{"taxonomy":"dielectric-type","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/dielectric-type?post=9785"},{"taxonomy":"frequency-max","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/frequency-max?post=9785"},{"taxonomy":"connector-gender","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/connector-gender?post=9785"},{"taxonomy":"impedance","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/impedance?post=9785"},{"taxonomy":"interface-type","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/interface-type?post=9785"},{"taxonomy":"jacket-material","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/jacket-material?post=9785"},{"taxonomy":"main-feature","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/main-feature?post=9785"},{"taxonomy":"max-operating-temperature","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/max-operating-temperature?post=9785"},{"taxonomy":"mount-method","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/mount-method?post=9785"},{"taxonomy":"no-of-shields","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/no-of-shields?post=9785"},{"taxonomy":"connector-series","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/connector-series?post=9785"},{"taxonomy":"termination-type","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/termination-type?post=9785"},{"taxonomy":"vswr-max","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/vswr-max?post=9785"},{"taxonomy":"vswr-typical","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/vswr-typical?post=9785"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/product_brand?post=9785"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/product_cat?post=9785"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/product_tag?post=9785"},{"taxonomy":"product_application","embeddable":true,"href":"https:\/\/mechanc.com\/tr\/wp-json\/wp\/v2\/product_application?post=9785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Outstanding Electrical Performance<\/h3>\n
Durable Construction and Compliance<\/h3>\n
Flange Mount Design and Applications<\/h3>\n
Explore More SMA RF Connectors<\/h3>\n