Description
EE33 High frequency transformer
Specification:
Output power: 0.2W ~ 2KW
Rated current5A ~ 1200A loads
Accuracy: ± 1% from 10% to 150% of full scale
The accuracy is measured from 10% to 130% of the nominal current.
Applications:
E33 high frequency SMPS transformers are widely used across multiple industries:
- Lighting: Electronic ballast & compact fluorescent lamp power drive
- Audio & Video: TV, cassette recorder, VCD, DVD equipment
- Power Source: PC power supply, monitor, industrial UPS module
- Home Appliance: Induction cooker, EMI noise suppression for various electronic equipment
Custom pin layout & 130℃/180℃ heat-resistant enameled wire available to match customer PCB design.
Dimensions:
| Type | Structure type | Dimension(mm) | Pin Row1(mm) | Pin Row2(mm) | Row Pitch | OD Pin(mm) | Note | ||||
| A | B | C | Pin | Pin Pitch | Pin | Pin Pitch | |||||
| EE19-001 | Vertival | 19.5 | 14 | 16 | 3 | 5.00 | 3 | 5.00 | 11 | ∅0.7 | |
| EE19-002 | Vertival | 22 | 16 | 19 | 5 | 4.00 | 5 | 4.00 | 10 | ∅0.8 | |
| EE19-003 | Vertival | 19.5 | 14 | 16 | 2 | 8.00 | 2 | 8.00 | 9.6 | ∅0.7 | |
| EE19-004 | Vertival | 19.5 | 14 | 17 | 4 | 4.00 | 3 | 4.00 | 11 | ∅0.7 | |
| EE19-005 | Vertival | 19.5 | 15.7 | 19 | 6 | 2.70 | 4 | 3.50 | 12.1 | ∅0.6 | |
| EE19-006 | Horizontal | 19.5 | 16.3 | 12.5 | 4 | 4.78 | 4 | 4.78 | 12.75 | ∅0.7 | |
| EE19-007 | Horizontal | 19.5 | 17.3 | 12.5 | 5 | 3.00 | 5 | 3.00 | 12.5 | ∅0.7 | |
| EE19-008 | Horizontal | 19.5 | 17.4 | 11.1 | 6 | 2.50 | 4 | 2.5/7.5 | 14.2 | SQ0.4*0.6 | 4 slot |
| EE19-009 | Horizontal | 19.5 | 16 | 14.8 | 4 | 4.75 | 4 | 4.75 | 12.5 | ∅0.7 | 2 slot |
| EE20-001 | Vertival | 21 | 16 | 21 | 3 | 5.00 | 3 | 5.00 | 12.5 | ∅0.7 | |
| EE22-001 | Vertival | 23 | 16 | 23 | 5 | 4.00 | 5 | 4.00 | 10 | ∅0.8 | |
| EE22-002 | Horizontal | 23 | 16 | 13.2 | 4 | 4.25/4.8 | 4 | 4.25/4.8 | 13 | ∅0.7 | |
| EE22-003 | Horizontal | 23 | 22.5 | 20.5 | 5 | 4.00 | 4 | 5.00 | 17 | ∅0.6 | |
| EE25-001 | Vertival | 26 | 17.2 | 22 | 4 | 5.00 | 4 | 5.00 | 12 | ∅0.8 | |
| EE25-002 | Vertival | 26 | 20.5 | 22 | 5 | 5.00 | 5 | 5.00 | 15 | ∅0.8 | |
| EE25-003 | Vertival | 26 | 25 | 15.6 | 5 | 5.0/6.0 | 5 | 5.0/6.0 | 22 | SQ0.64*0.64 | |
| EE25-004 | Horizontal | 26 | 20.5 | 17.5 | 4 | 4.00 | 4 | 4.00 | 15 | ∅0.8 | |
| EE25-005 | Horizontal | 26.3 | 27.5 | 25 | 4 | 5.00 | 4 | 5.00 | 20 | ∅0.8 | 2 slot |
| EE28-001 | Vertival | 29 | 22 | 21 | 5 | 5.0 | 5 | 5 | 17.5 | ∅0.8 | |
| EE30-001 | Vertival | 31 | 22 | 27 | 5 | 5.0 | 5 | 5 | 17.5 | ∅0.8 | |
| EE33-001 | Vertival | 34 | 29 | 32 | 6 | 5.0 | 6 | 5 | 22.7 | ∅0.8 | |
| EE40-001 | Vertival | 41 | 28 | 34 | 6 | 5.0 | 6 | 5 | 22.6 | ∅0.8 | |
| EE40-002 | Horizontal | 41 | 32 | 28.5 | 7 | 5.0 | 7 | 5 | 25.8 | ∅0.8 | |
| EE42-001 | Vertival | 43 | 39 | 44 | 6 | 5.0 | 6 | 5 | 32.2 | ∅1.0 | |
| EE42-002 | Horizontal | 43 | 40 | 36.5 | 8 | 5.0 | 8 | 5 | 35 | ∅1.0 | |
| EE42-003 | Horizontal | 43 | 44 | 39 | 8 | 5.0 | 8 | 5 | 35.5 | ∅1.0 | |
| EE55-001 | Horizontal | 56 | 56 | 48 | 7 | 5.0 | 7 | 5 | 40 | ∅1.0 | |
| EE55-002 | Horizontal | 56 | 56 | 54 | 10 | 5.0 | 10 | 5 | 45 | ∅1.0 | |
| EE65-001 | Vertival | 66 | 55 | 65 | 10 | 5.0/8.0 | 6 | 5.0/24.5 | 45.5 | ∅1.3 | |
EE33 Transformer Custom Service
We offer full one-stop customization service for EE33 high frequency transformers to match your unique switching power supply circuit demands. All EE33 transformers are built with high-permeability ferrite core, low copper loss winding and reinforced insulation, suitable for industrial VFD, battery charger, LED power, adapter and UPS equipment.
1. Core & Electrical Customization
- Multi output voltage custom: 5V/12V/24V/36V/48V dual or triple outputs available
- Adjustable input voltage range: 110V / 220V / wide range 85-265V AC
- Custom power rating: 10W ~ 150W EE33 transformer for different load demands
- Operating frequency adjustment: 50kHz – 250kHz matching your SMPS topology
2. Structure & Pin Customization
- Custom pin quantity, pin spacing and pin layout according to your PCB board
- Horizontal / vertical bobbin structure optional
- Custom winding turns ratio, primary & secondary wire gauge
- Reinforced creepage distance to meet safety certification standards
3. Protection & Surface Treatment
- Vacuum impregnation / full potting encapsulation for moisture, dust and anti-interference
- Class B / Class F insulation winding wire for high temperature resistance
- Shield winding optional to reduce electromagnetic interference (EMI)
- Multiple safety certifications support: UL, CE, RoHS compliant
4. Supporting Custom Design Service
Our engineer team can provide free EE33 transformer winding scheme simulation:
- Send your circuit schematic, power and voltage parameters
- We output winding turns, wire size and sample drawing within 24 hours
- Small batch prototype sample support for performance testing
- Mass production flexible lead time for bulk orders
FAQ
Q1: What applications is EE33 transformer mainly used for?
A: EE33 ferrite transformer is widely used in medium-power switching power supplies, including variable frequency drives (VFD), battery chargers, industrial power adapters, LED driving power, small UPS and medical isolation power modules.
Q2: What’s the maximum power an EE33 transformer can support?
A: Our standard EE33 transformer can stably support 10W–150W output power. We will adjust core thickness, wire diameter and winding structure according to your actual power load to avoid overheating.
Q3: Can you customize multi-output EE33 transformer like 12V+24V dual output?
A: Yes. We support dual-output, triple-output multi voltage EE33 transformer, we can separate winding isolation to avoid cross-interference between different voltage channels.
Q4: Is the EE33 transformer RoHS and CE compliant?
A: All raw materials of our EE33 transformers follow RoHS environmental standards. We can provide CE safety test reports, and support UL certification customized production if you have special market demands.
Q5: What is the operating frequency range of your EE33 SMPS transformer?
A: Standard design works at 60kHz–150kHz. We can redesign winding and bobbin to adapt high frequency up to 250kHz for high-speed SMPS circuits.
Q6: Can you make potted encapsulated EE33 transformer?
A: Yes. We offer full epoxy potting process, which effectively improves waterproof, shockproof and anti-electromagnetic interference performance, perfect for outdoor and industrial harsh environment equipment.
Details:
Vertical offset multi-pin EE33 ferrite transformer for PCB SMPS, induction cooker & UPS power supply
Labeled horizontal pin EE33 ferrite transformer for PCB SMPS, induction cooker & UPS power supply
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