Toroidal Transformers for Switching Power Supply (20VA-500VA)

• Application: Power, Electronic, Instrument, Lighting, Rectifier, Audio
• Phase: Single
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, UL, ISO9001, CCC
• Model NO.: 20VA-500VA
• Usage: Single-phase Transformer, Rectifier Transformer, Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: Ring
• Brand: OEM
• Transformer Type: Toroidal Transformer Ring Type
• Transformer for Equipment: Low Rise High Efficiency Toroidal Transformer
• Transformer Specification: 12V 15V 24V 220V 230V 240V
• Isolating Transformer: Waterproof Transformer
• Transformer Class: High Quality Transformer
• Main Application: Toroidal Step up/Down Transformer
• Transport Package: Carton on Pallet
• Specification: 20VA-500VA
• Trademark: Okerda toroidal transformer
• Origin: China
• HS Code: 8504319000
• Production Capacity: 500000PCS/Month

Product Description

Toroidal transformers for switching power supply (20VA-500VA)

Our Advantages:
1. 20 years experience in transformer and inductor manufacturing;
2. Scientific management system, strong technical team, and strict quality control system;
3. RoHS,CE,TUV and UL certified;
4. OEM & ODM;
5. Competitive price,in time delivery and perfect after-service online.
 

Features: 
1) Frequency: 50Hz/60Hz

2) High efficiency Lighting Range

3) Low no-load losses
4) Low mechanical hum
5) Low magnetic leakage
7) High efficiency

Applications: 
1. Used for UPS; 
2. Inverter Welding Machine; 
3. High Power Charger Power Supply; 
4. Electric Vehicle Charging Equipment; 
5. High efficiency Power Supply; 
6. Switching Power Supply; 
7. LED Power Supply. 

PARAMETER

 

Testing process
1. No-load test (included no-load voltage, no load current and no load loss); 
2. Inductive voltage test; 
3. Load test (load voltage and temperature rise; 
4. Temperature rise test; 
5. Insulated resistance; 
6. Hi-pot test; 
7. Leakage inductance test; 
8. DC resistance test; 
9. Surface inspection. 

Factory production