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Low Loss Compact EE19 High Frequency Transformer Stable Durable For LED Drivers
Place of Origin:
China
Brand Name:
CHIPSEN
Certification:
UL/cUL Class B/F/H, VDE, CQC
Model Number:
EE19
Minimum Order Quantity:
1K
Price:
＄8.5-11.8/pieces
Delivery Time:
7-14 work days (Negotiable)
Payment Terms:
T/T
Supply Ability:
10000pcs
Inquiry Now
Get A Quote
Specifications
Highlight Features
Low Loss Compact hf power transformer
,EE19 hf power transformer
,LED Drivers power frequency transformer
Insulationclass:
Class B / Class F
Turnsratio:
Customizable
Efficiency:
Up To 95%
Inductance:
Variable (depends On Model)
Mountingtype:
PCB Mount / Through Hole
Frequencyrange:
20kHz - 500kHz
Windingtype:
Copper Wire
Dimensions:
Custom Sizes Available
Application:
Switch Mode Power Supplies, DC-DC Converters
Powerrating:
10W - 500W
Isolationvoltage:
1500V AC
Productname:
High Frequency SMPS Transformer
Corematerial:
Ferrite
Operatingtemperature:
-40°C To +125°C
Product Description
Low Loss Compact EE19 High Frequency Transformer
Stable and durable transformer designed for LED drivers and other space-constrained electronic equipment.
Product Overview
The EE19 is a compact ferrite core high frequency transformer platform designed for isolated power conversion in LED drivers, adapters, auxiliary power supplies, industrial controllers, smart meters, and other space-constrained electronic equipment.
The transformer features an EE ferrite core, insulated bobbin, multiple through-hole pins, and tape-insulated winding assembly. Final performance depends on converter topology, input voltage, output requirements, switching frequency, and other operating conditions.
Applications & Operating Conditions
| Industry & Application | Typical Operating Conditions | Key Parameters |
|---|---|---|
| LED Drivers | Isolated flyback or forward constant current power supply | Turns ratio, power rating, leakage inductance, efficiency, temperature rise |
| Industrial Controllers | 12V, 24V, 48V control systems | Wide input range, isolation, regulation, operating temperature |
| Power Adapters | 2W to 25W depending on topology | Efficiency, standby loss, dielectric strength, dimensions |
| Smart Home Equipment | Low power flyback applications | Compact size, low no-load loss, stable output |
| Smart Metering | Project-specific mains input and low voltage outputs | Wide input range, low standby power, isolation |
Customization Parameters
| Parameter | Typical Range | Customization Status |
|---|---|---|
| Core Platform | EE19 ferrite core assembly | Customizable |
| Switching Frequency | 20 kHz to 500 kHz | Customer Specified |
| Power Range | 2W to 25W | To Be Confirmed |
| Primary Inductance | Defined at agreed frequency and voltage | Customer Specified |
| Dielectric Strength | 1.5 kV AC to 5 kV AC | Customer Specified |
Product Construction
| Component | Description |
|---|---|
| Magnetic Core | EE19 MnZn ferrite core selected for frequency and loss characteristics |
| Bobbin | High temperature insulating coil former with through-hole PCB pins |
| Primary Winding | Copper winding developed according to input voltage and inductance requirements |
| Secondary Windings | Single or multiple isolated outputs according to application needs |
| Insulation Barriers | Tape margins, sleeving, and reinforced barriers where required |
Key Features
- Compact EE19 ferrite core construction
- Suitable for high frequency switching power supplies
- Low core loss magnetic material options
- Custom primary and secondary voltage ratios
- Controlled primary and leakage inductance
- Single or multiple isolated outputs
- Reinforced insulation options
- Optional electrostatic shielding
- Custom PCB pinout, footprint and mounting
- Stable thermal and electrical performance
Quality Control
Chipsen establishes manufacturing and inspection plans according to approved electrical specifications, PCB drawings, converter conditions, and customer quality requirements.
| Inspection Item | Purpose |
|---|---|
| Turns Ratio Test | Confirms required primary and secondary relationship |
| Primary Inductance Test | Verifies magnetizing inductance at specified conditions |
| Leakage Inductance Test | Confirms coupling and converter compatibility |
| Dielectric Strength Test | Verifies specified isolation withstand capability |
| Temperature Rise Test | Confirms thermal performance under operating conditions |
Why Choose Chipsen
- EE19 high frequency transformer customization
- Compact magnetic design for space-constrained equipment
- Engineering evaluation based on actual converter conditions
- Custom turns ratio, inductance, leakage and DCR
- Reinforced insulation and controlled creepage design
- MOQ from 100 pieces for eligible projects
- Quotation within three working days
- Sample production target within seven days
- Five year warranty with extended options
Frequently Asked Questions
What information is required to customize an EE19 transformer?
Please provide converter topology, input voltage range, output voltage and current, continuous and peak power, switching frequency, duty cycle, target inductance, leakage limit, isolation requirement, dimensions, PCB pinout, temperature conditions, and annual demand.
Please provide converter topology, input voltage range, output voltage and current, continuous and peak power, switching frequency, duty cycle, target inductance, leakage limit, isolation requirement, dimensions, PCB pinout, temperature conditions, and annual demand.
What power can an EE19 transformer handle?
Approximately 2W to 25W is a broad reference range. Actual capacity depends on topology, frequency, winding design, cooling, and allowable temperature rise.
Approximately 2W to 25W is a broad reference range. Actual capacity depends on topology, frequency, winding design, cooling, and allowable temperature rise.
Can multiple secondary outputs be provided?
Yes. Multiple isolated or connected secondary windings can be developed when winding space, insulation, power distribution, and temperature rise permit.
Yes. Multiple isolated or connected secondary windings can be developed when winding space, insulation, power distribution, and temperature rise permit.
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