{"product_id":"5u4g-national-union-smooth-charcoal-anode-jan-cnu-vt-244-october-1943-production-5u4-copy-1","title":"5U4G, NATIONAL UNION, 5 RIB CHARCOAL ANODE,JAN-CNU, VT-244, JUNE 1944 PRODUCTION,5U4","description":"\u003cdiv class=\"variant-name\"\u003e\n\u003cp style=\"text-align: justify;\"\u003e5U4G, NATIONAL UNION, 5 RIB CHARCOAL ANODE,JAN-CNU, VT-244, JUNE 1944 PRODUCTION,5U4\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cspan\u003e\u003cspan style=\"font-family: arial black, avant garde; font-size: medium;\"\u003eThis National Union wartime manufactured 5U4G valve shows excellent bright getter and tests as good using my AVO VCM163 valve tester. The black base is tight to the envelope. \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: 'arial black', 'avant garde'; font-size: 12pt;\"\u003e\u003cstrong\u003eDevice test data: Ia = 120.0mA range, GOOD  A1 77\/ A2 77.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cspan style=\"font-family: 'arial black', 'avant garde'; font-size: 12pt; color: #2b00ff;\"\u003e\u003cstrong\u003eWe test our rectifiers using a calibrated and standardised AVO VCM163 on the specified range.  This VCM gives a qualitative estimation of emission as you can see from the photo, the GOOD range bar runs below the numerical uA\/Ig scale with the GOOD range between 51 - 100.  The above device test data, shows the max current range specified and a record of the numerical reading within the GOOD range obtained.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"NATIONAL UNION","offers":[{"title":"Default Title","offer_id":46154596352136,"sku":"A130","price":75.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/5784\/files\/IMG_8098.jpg?v=1783061892","url":"https:\/\/mullard.org\/products\/5u4g-national-union-smooth-charcoal-anode-jan-cnu-vt-244-october-1943-production-5u4-copy-1","provider":"MULLARD MAGIC","version":"1.0","type":"link"}