Product Description for BEL/SIGNAL TRANSFORMER ST-7-120
The BEL/SIGNAL TRANSFORMER Part Number ST-7-120 is a power/mains transformer designed for reliable electrical isolation and voltage transformation in various electronic applications. Manufactured in the Dominican Republic (COO: DO), this laminated power transformer offers high performance and compliance with industry standards.
Key Features:
Power Rating: 36 VA
High Isolation: Split bobbin construction providing superior isolation and low capacitive coupling
Dielectric Strength: 2500 Vrms Hipot
Insulation System: Class F, rated for 155°C
Mounting: Package Type - Black (BLK)
RoHS Compliant: Yes
ECCN: EAR99
UOM: Each (EA)
Designed with dual cavity platform, this transformer ensures enhanced electrical isolation suitable for sensitive electronic circuits. It features rigid pin construction for easier board insertion and increased reliability. The transformer is UL recognized and CSA certified, ensuring compliance with safety standards.
For detailed specifications, wiring options, and certifications, please refer to the datasheet.
Product Specifications:
Power
Dielectric Strength
Primaries
Secondaries
Insulation System
Agency Certifications
1.1 VA to 36 VA
2500 Vrms Hipot
Single or dual primaries, 115 V or 115/230 V, 50/60 Hz
Series or parallel
Class F, 155°C
UL 1446, UL Recognized 506 / UL 5085-1, CSA certified to C22.2 #66.1, cCSAus certified to C22.2 #66.3 / UL 5085-3
Available in various configurations, the transformer supports multiple secondary voltages and current ratings. For more details, visit the Signal Transformer website.
Note: The datasheet provides comprehensive information on mounting, dimensions, and wiring options. Custom versions are available upon request.
For more technical details, please consult the full datasheet.
Product Disclaimers: Ensure proper fuse ratings and adhere to safety standards during installation and operation.
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{"id":10026371219773,"title":"ST-7-120","handle":"st-7-120","description":"\u003ch3\u003eProduct Description for BEL\/SIGNAL TRANSFORMER ST-7-120\u003c\/h3\u003e\n\u003cp\u003eThe BEL\/SIGNAL TRANSFORMER Part Number \u003cstrong\u003eST-7-120\u003c\/strong\u003e is a power\/mains transformer designed for reliable electrical isolation and voltage transformation in various electronic applications. Manufactured in the Dominican Republic (COO: DO), this laminated power transformer offers high performance and compliance with industry standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Rating: 36 VA\u003c\/li\u003e\n\u003cli\u003eHigh Isolation: Split bobbin construction providing superior isolation and low capacitive coupling\u003c\/li\u003e\n\u003cli\u003eDielectric Strength: 2500 Vrms Hipot\u003c\/li\u003e\n\u003cli\u003eInsulation System: Class F, rated for 155°C\u003c\/li\u003e\n\u003cli\u003eMounting: Package Type - Black (BLK)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned with dual cavity platform, this transformer ensures enhanced electrical isolation suitable for sensitive electronic circuits. It features rigid pin construction for easier board insertion and increased reliability. The transformer is UL recognized and CSA certified, ensuring compliance with safety standards.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications, wiring options, and certifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0010700711\/BELF-S-A0010700711-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003cth\u003ePrimaries\u003c\/th\u003e\n\u003cth\u003eSecondaries\u003c\/th\u003e\n\u003cth\u003eInsulation System\u003c\/th\u003e\n\u003cth\u003eAgency Certifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.1 VA to 36 VA\u003c\/td\u003e\n\u003ctd\u003e2500 Vrms Hipot\u003c\/td\u003e\n\u003ctd\u003eSingle or dual primaries, 115 V or 115\/230 V, 50\/60 Hz\u003c\/td\u003e\n\u003ctd\u003eSeries or parallel\u003c\/td\u003e\n\u003ctd\u003eClass F, 155°C\u003c\/td\u003e\n\u003ctd\u003eUL 1446, UL Recognized 506 \/ UL 5085-1, CSA certified to C22.2 #66.1, cCSAus certified to C22.2 #66.3 \/ UL 5085-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAvailable in various configurations, the transformer supports multiple secondary voltages and current ratings. For more details, visit the \u003ca href=\"https:\/\/belfuse.com\/signal\" target=\"_blank\"\u003eSignal Transformer\u003c\/a\u003e website.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet provides comprehensive information on mounting, dimensions, and wiring options. Custom versions are available upon request.\u003c\/p\u003e\n\u003cp\u003eFor more technical details, please consult the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0010700711\/BELF-S-A0010700711-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct Disclaimers: Ensure proper fuse ratings and adhere to safety standards during installation and operation.\u003c\/p\u003e","published_at":"2025-08-15T07:07:15+05:30","created_at":"2025-08-15T07:07:16+05:30","vendor":"Waldom Electonics","type":"Transformers","tags":["36VA","BEL-SIGN","IMPORT_CSV","IMPORT_PT2","Mains","Power","PWR","Transformers","WLDM"],"price":202620,"price_min":202620,"price_max":202620,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50622160240957,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ST-7-120","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"ST-7-120","public_title":null,"options":["Default Title"],"price":202620,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"ST-7-120","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/54664846.png?v=1755221837"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54664846.png?v=1755221837","options":["Title"],"media":[{"alt":null,"id":45847444324669,"position":1,"preview_image":{"aspect_ratio":1.0,"height":300,"width":300,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54664846.png?v=1755221837"},"aspect_ratio":1.0,"height":300,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54664846.png?v=1755221837","width":300}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description for BEL\/SIGNAL TRANSFORMER ST-7-120\u003c\/h3\u003e\n\u003cp\u003eThe BEL\/SIGNAL TRANSFORMER Part Number \u003cstrong\u003eST-7-120\u003c\/strong\u003e is a power\/mains transformer designed for reliable electrical isolation and voltage transformation in various electronic applications. Manufactured in the Dominican Republic (COO: DO), this laminated power transformer offers high performance and compliance with industry standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower Rating: 36 VA\u003c\/li\u003e\n\u003cli\u003eHigh Isolation: Split bobbin construction providing superior isolation and low capacitive coupling\u003c\/li\u003e\n\u003cli\u003eDielectric Strength: 2500 Vrms Hipot\u003c\/li\u003e\n\u003cli\u003eInsulation System: Class F, rated for 155°C\u003c\/li\u003e\n\u003cli\u003eMounting: Package Type - Black (BLK)\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned with dual cavity platform, this transformer ensures enhanced electrical isolation suitable for sensitive electronic circuits. It features rigid pin construction for easier board insertion and increased reliability. The transformer is UL recognized and CSA certified, ensuring compliance with safety standards.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications, wiring options, and certifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0010700711\/BELF-S-A0010700711-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eDielectric Strength\u003c\/th\u003e\n\u003cth\u003ePrimaries\u003c\/th\u003e\n\u003cth\u003eSecondaries\u003c\/th\u003e\n\u003cth\u003eInsulation System\u003c\/th\u003e\n\u003cth\u003eAgency Certifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1.1 VA to 36 VA\u003c\/td\u003e\n\u003ctd\u003e2500 Vrms Hipot\u003c\/td\u003e\n\u003ctd\u003eSingle or dual primaries, 115 V or 115\/230 V, 50\/60 Hz\u003c\/td\u003e\n\u003ctd\u003eSeries or parallel\u003c\/td\u003e\n\u003ctd\u003eClass F, 155°C\u003c\/td\u003e\n\u003ctd\u003eUL 1446, UL Recognized 506 \/ UL 5085-1, CSA certified to C22.2 #66.1, cCSAus certified to C22.2 #66.3 \/ UL 5085-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAvailable in various configurations, the transformer supports multiple secondary voltages and current ratings. For more details, visit the \u003ca href=\"https:\/\/belfuse.com\/signal\" target=\"_blank\"\u003eSignal Transformer\u003c\/a\u003e website.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet provides comprehensive information on mounting, dimensions, and wiring options. Custom versions are available upon request.\u003c\/p\u003e\n\u003cp\u003eFor more technical details, please consult the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0010700711\/BELF-S-A0010700711-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eProduct Disclaimers: Ensure proper fuse ratings and adhere to safety standards during installation and operation.\u003c\/p\u003e"}