{"product_id":"isolation-transformer-2-5-va-2-x-115v-2-x-10v-120-ma-low-noise-power","title":"Isolation Transformer 2.5 VA 2 x 115V 2 x 10V 120 mA - Low-Noise Power","description":"\u003cp\u003eIn this review the Isolation Transformer 2.5 VA is evaluated for use in small electronics projects and repair benches. The bottom line: this compact, low-power unit is best for designers and hobbyists who need reliable galvanic isolation and clean low-voltage secondaries for signal-level circuits. The review finds the transformer delivers quiet performance and flexible winding options in a small PC pin thru-hole package, making it a straightforward choice when a modest 2.5 VA isolation solution is required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual primary windings:\u003c\/strong\u003e two 115V primaries allow series or parallel configuration for flexible input wiring and compatibility with different supply arrangements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple secondaries:\u003c\/strong\u003e two 10V secondaries give separate isolated outputs for dual-rail or isolated signal supplies without needing extra components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThru-hole PCB mounting:\u003c\/strong\u003e PCB pin construction makes the transformer easy to secure on a board and suitable for permanent installations or prototyping fixtures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh isolation rating:\u003c\/strong\u003e 4200 Vrms isolation provides strong protection between primary and secondary for safety in sensitive electronics applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 2.5 VA rating:\u003c\/strong\u003e low-rated power is ideal for small sensors, op amp supplies, and signal conditioning where heat and size must be minimized.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis transformer suits electronics hobbyists, DIY audio builders, and engineers working on small instrumentation or control circuits that require galvanic isolation and low current secondary supplies. The small footprint and PC pin thru-hole format make it convenient for custom PCBs and fixed installations where a modest power budget is acceptable.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for high-power applications, power distribution, or mains-driven motors; users needing more than 120 mA or a higher VA rating should look for a larger unit. Also, projects requiring integrated regulation or thermal management will need additional parts around this transformer.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProvides robust isolation up to 4200 Vrms, which enhances safety in signal circuits.\u003c\/li\u003e\n\u003cli\u003eTwo 115V primaries and two 10V secondaries offer wiring flexibility for series\/parallel configurations.\u003c\/li\u003e\n\u003cli\u003ePCB pin thru-hole design makes mounting and soldering straightforward for board-level use.\u003c\/li\u003e\n\u003cli\u003eLow noise and compact size work well in bench power and instrumentation projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAt 2.5 VA and 120 mA output, it is limited to low-power applications and cannot power larger loads.\u003c\/li\u003e\n\u003cli\u003eThru-hole mechanical mounting may require additional rigidity or glue for vibration-prone environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eTriad Magnetics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRating\u003c\/td\u003e\n\u003ctd\u003e2.5 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary\u003c\/td\u003e\n\u003ctd\u003e2 x 115V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary\u003c\/td\u003e\n\u003ctd\u003e2 x 10V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e120 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstand\u003c\/td\u003e\n\u003ctd\u003e4200 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePC pin thru-hole, 8 terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor small-scale electronics work that needs dependable galvanic isolation and flexible secondary windings, this 2.5 VA isolation transformer represents sensible value. It is compact, easy to mount on a PCB, and rated for high isolation, making it a good match for hobbyists and engineers designing low-current signal supplies; users with larger power needs should choose a higher VA unit.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan the primaries be wired in series for 230V input?\u003c\/strong\u003e\u003cbr\u003eYes, the two 115V primaries can be connected in series for 230V operation if the circuit and safety requirements allow it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum output current per secondary?\u003c\/strong\u003e\u003cbr\u003eThe total rated output is 2.5 VA with 120 mA; use the windings within that current limit and check combined loading when paralleling secondaries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for audio applications?\u003c\/strong\u003e\u003cbr\u003eIt can be used for low-power audio or signal circuits where isolation is needed, but performance depends on circuit design and whether the VA rating meets the load.\u003c\/p\u003e","brand":"Triad Magnetics","offers":[{"title":"Default Title","offer_id":48256003473627,"sku":"B00UR90XNI","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/31NXs_NIyXL.jpg?v=1778308178","url":"https:\/\/gearmusthave.com\/products\/isolation-transformer-2-5-va-2-x-115v-2-x-10v-120-ma-low-noise-power","provider":"GearMustHave","version":"1.0","type":"link"}