CYNERGY 3 COMPONENTS DBT71275SU SPST Normally Closed High Voltage Relay
The CYNERGY 3 COMPONENTS DBT71275SU is a high-performance reed relay designed for applications requiring high voltage isolation and reliable switching. This UL-approved relay features a normally closed (N/C) contact configuration with a maximum isolation voltage of 7.5kV, making it suitable for high voltage power supplies, test equipment, and medical devices such as cardiac defibrillators.
Product Features
Part Number: DBT71275SU
Manufacturer: CYNERGY 3 COMPONENTS
Country of Origin: CN
Unit of Measure: EA
ECCN: EAR99
Package Type: Spade Terminal
UL Approved with high voltage isolation (up to 7.5kV)
High vacuum reed switches with Rhodium or Tungsten contacts
Multiple connection options including PCB, solder turret, flying lead, and 1/4” spade terminals
Operating Temperature Range: -20°C to +70°C
Insulation Resistance: ≥10 MΩ
Operating Voltage (Must Operate): 9V DC at 7.5kV isolation
Release Voltage: 1.25V DC at 7.5kV isolation
Technical Specifications
Contact Specification
Unit Condition
10kV
7.5kV
5kV
Must Operate Voltage
V DC
3.7
9
20
Must Release Voltage
V DC
0.5
1.25
4
Operate Time
ms (diode fitted)
2.0
2.0
2.0
Release Time
ms (diode fitted)
3.0
3.0
3.0
Resistance
W
38
240
925
Additional Details
High voltage isolation up to 10kV with UL approval
Designed for high reliability applications
Environmental Operating Temp: -20°C to +70°C
Made in the UK
Mechanical & Mounting Options
PCB Mount & Coil Connection with Flying Lead
Panel Mount with Wire Wrap Terminals
PCB Mount & Coil Connection with Stud Fixing & 1/4” Spade HV Connection
Spade Type with 0.250” Blade Connectors and M4 Fixing Bolts
Datasheet & Additional Resources
For detailed specifications and electrical characteristics, please refer to the datasheet.
Note: The operate/release voltage and coil resistance will change at a rate of 0.4% per degree Celsius. Values are specified at 20°C. Consult factory for UL ratings and further application details.
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{"id":10021284970813,"title":"DBT71275SU","handle":"dbt71275su","description":"\u003ch3\u003eCYNERGY 3 COMPONENTS DBT71275SU SPST Normally Closed High Voltage Relay\u003c\/h3\u003e\n\n\u003cp\u003eThe CYNERGY 3 COMPONENTS DBT71275SU is a high-performance reed relay designed for applications requiring high voltage isolation and reliable switching. This UL-approved relay features a normally closed (N\/C) contact configuration with a maximum isolation voltage of 7.5kV, making it suitable for high voltage power supplies, test equipment, and medical devices such as cardiac defibrillators.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: \u003cstrong\u003eDBT71275SU\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eCYNERGY 3 COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: \u003cstrong\u003eCN\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003ePackage Type: \u003cstrong\u003eSpade Terminal\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUL Approved with high voltage isolation (up to 7.5kV)\u003c\/li\u003e\n \u003cli\u003eContact Form: \u003cstrong\u003eN\/C (Normally Closed)\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCoil Voltage Options: 12V DC\u003c\/li\u003e\n \u003cli\u003eContact Material: Tungsten (for switching higher voltages)\u003c\/li\u003e\n \u003cli\u003eHigh vacuum reed switches with Rhodium or Tungsten contacts\u003c\/li\u003e\n \u003cli\u003eMultiple connection options including PCB, solder turret, flying lead, and 1\/4” spade terminals\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -20°C to +70°C\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: ≥10 MΩ\u003c\/li\u003e\n \u003cli\u003eOperating Voltage (Must Operate): 9V DC at 7.5kV isolation\u003c\/li\u003e\n \u003cli\u003eRelease Voltage: 1.25V DC at 7.5kV isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Specification\u003c\/th\u003e\n \u003cth\u003eUnit Condition\u003c\/th\u003e\n \u003cth\u003e10kV\u003c\/th\u003e\n \u003cth\u003e7.5kV\u003c\/th\u003e\n \u003cth\u003e5kV\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMust Operate Voltage\u003c\/td\u003e\n \u003ctd\u003eV DC\u003c\/td\u003e\n \u003ctd\u003e3.7\u003c\/td\u003e\n \u003ctd\u003e9\u003c\/td\u003e\n \u003ctd\u003e20\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMust Release Voltage\u003c\/td\u003e\n \u003ctd\u003eV DC\u003c\/td\u003e\n \u003ctd\u003e0.5\u003c\/td\u003e\n \u003ctd\u003e1.25\u003c\/td\u003e\n \u003ctd\u003e4\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperate Time\u003c\/td\u003e\n \u003ctd\u003ems (diode fitted)\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRelease Time\u003c\/td\u003e\n \u003ctd\u003ems (diode fitted)\u003c\/td\u003e\n \u003ctd\u003e3.0\u003c\/td\u003e\n \u003ctd\u003e3.0\u003c\/td\u003e\n \u003ctd\u003e3.0\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance\u003c\/td\u003e\n \u003ctd\u003eW\u003c\/td\u003e\n \u003ctd\u003e38\u003c\/td\u003e\n \u003ctd\u003e240\u003c\/td\u003e\n \u003ctd\u003e925\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh voltage isolation up to 10kV with UL approval\u003c\/li\u003e\n \u003cli\u003eDesigned for high reliability applications\u003c\/li\u003e\n \u003cli\u003eEnvironmental Operating Temp: -20°C to +70°C\u003c\/li\u003e\n \u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Mounting Options\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePCB Mount \u0026amp; Coil Connection with Flying Lead\u003c\/li\u003e\n \u003cli\u003ePanel Mount with Wire Wrap Terminals\u003c\/li\u003e\n \u003cli\u003ePCB Mount \u0026amp; Coil Connection with Stud Fixing \u0026amp; 1\/4” Spade HV Connection\u003c\/li\u003e\n \u003cli\u003eSpade Type with 0.250” Blade Connectors and M4 Fixing Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and electrical characteristics, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cyn\/cyn-dbt71275su.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The operate\/release voltage and coil resistance will change at a rate of 0.4% per degree Celsius. Values are specified at 20°C. Consult factory for UL ratings and further application details.\u003c\/p\u003e","published_at":"2025-08-12T14:29:18+05:30","created_at":"2025-08-12T14:29:18+05:30","vendor":"Waldom Electonics","type":"Relays","tags":["12V","CYNER","IMPORT_CSV","Reed","Relays","SPST","Terminal","WLDM"],"price":665930,"price_min":665930,"price_max":665930,"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":50612032471357,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DBT71275SU","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"DBT71275SU","public_title":null,"options":["Default Title"],"price":665930,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"DBT71275SU","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/DBT71275SU_51032544_ac45f2ea.jpg?v=1754989161"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DBT71275SU_51032544_ac45f2ea.jpg?v=1754989161","options":["Title"],"media":[{"alt":null,"id":45800695726397,"position":1,"preview_image":{"aspect_ratio":1.155,"height":200,"width":231,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DBT71275SU_51032544_ac45f2ea.jpg?v=1754989161"},"aspect_ratio":1.155,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/DBT71275SU_51032544_ac45f2ea.jpg?v=1754989161","width":231}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eCYNERGY 3 COMPONENTS DBT71275SU SPST Normally Closed High Voltage Relay\u003c\/h3\u003e\n\n\u003cp\u003eThe CYNERGY 3 COMPONENTS DBT71275SU is a high-performance reed relay designed for applications requiring high voltage isolation and reliable switching. This UL-approved relay features a normally closed (N\/C) contact configuration with a maximum isolation voltage of 7.5kV, making it suitable for high voltage power supplies, test equipment, and medical devices such as cardiac defibrillators.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: \u003cstrong\u003eDBT71275SU\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eManufacturer: \u003cstrong\u003eCYNERGY 3 COMPONENTS\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: \u003cstrong\u003eCN\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: \u003cstrong\u003eEA\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eECCN: \u003cstrong\u003eEAR99\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003ePackage Type: \u003cstrong\u003eSpade Terminal\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eUL Approved with high voltage isolation (up to 7.5kV)\u003c\/li\u003e\n \u003cli\u003eContact Form: \u003cstrong\u003eN\/C (Normally Closed)\u003c\/strong\u003e\n\u003c\/li\u003e\n \u003cli\u003eCoil Voltage Options: 12V DC\u003c\/li\u003e\n \u003cli\u003eContact Material: Tungsten (for switching higher voltages)\u003c\/li\u003e\n \u003cli\u003eHigh vacuum reed switches with Rhodium or Tungsten contacts\u003c\/li\u003e\n \u003cli\u003eMultiple connection options including PCB, solder turret, flying lead, and 1\/4” spade terminals\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -20°C to +70°C\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: ≥10 MΩ\u003c\/li\u003e\n \u003cli\u003eOperating Voltage (Must Operate): 9V DC at 7.5kV isolation\u003c\/li\u003e\n \u003cli\u003eRelease Voltage: 1.25V DC at 7.5kV isolation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eContact Specification\u003c\/th\u003e\n \u003cth\u003eUnit Condition\u003c\/th\u003e\n \u003cth\u003e10kV\u003c\/th\u003e\n \u003cth\u003e7.5kV\u003c\/th\u003e\n \u003cth\u003e5kV\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMust Operate Voltage\u003c\/td\u003e\n \u003ctd\u003eV DC\u003c\/td\u003e\n \u003ctd\u003e3.7\u003c\/td\u003e\n \u003ctd\u003e9\u003c\/td\u003e\n \u003ctd\u003e20\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMust Release Voltage\u003c\/td\u003e\n \u003ctd\u003eV DC\u003c\/td\u003e\n \u003ctd\u003e0.5\u003c\/td\u003e\n \u003ctd\u003e1.25\u003c\/td\u003e\n \u003ctd\u003e4\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperate Time\u003c\/td\u003e\n \u003ctd\u003ems (diode fitted)\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003ctd\u003e2.0\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRelease Time\u003c\/td\u003e\n \u003ctd\u003ems (diode fitted)\u003c\/td\u003e\n \u003ctd\u003e3.0\u003c\/td\u003e\n \u003ctd\u003e3.0\u003c\/td\u003e\n \u003ctd\u003e3.0\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance\u003c\/td\u003e\n \u003ctd\u003eW\u003c\/td\u003e\n \u003ctd\u003e38\u003c\/td\u003e\n \u003ctd\u003e240\u003c\/td\u003e\n \u003ctd\u003e925\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh voltage isolation up to 10kV with UL approval\u003c\/li\u003e\n \u003cli\u003eDesigned for high reliability applications\u003c\/li\u003e\n \u003cli\u003eEnvironmental Operating Temp: -20°C to +70°C\u003c\/li\u003e\n \u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Mounting Options\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePCB Mount \u0026amp; Coil Connection with Flying Lead\u003c\/li\u003e\n \u003cli\u003ePanel Mount with Wire Wrap Terminals\u003c\/li\u003e\n \u003cli\u003ePCB Mount \u0026amp; Coil Connection with Stud Fixing \u0026amp; 1\/4” Spade HV Connection\u003c\/li\u003e\n \u003cli\u003eSpade Type with 0.250” Blade Connectors and M4 Fixing Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Additional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and electrical characteristics, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cyn\/cyn-dbt71275su.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The operate\/release voltage and coil resistance will change at a rate of 0.4% per degree Celsius. Values are specified at 20°C. Consult factory for UL ratings and further application details.\u003c\/p\u003e"}
