EI Single phase ei type control 110v transformer Control board transformer
EI19
EI19 3+3PIN vertical pin low-frequency transformer, using EI type silicon steel sheet iron core, with a 6-pin PCB direct insertion structure of primary 3PIN and secondary 3PIN, suitable for 50/60Hz power frequency.
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The overall size is compact, suitable for soldering and installing small circuit boards. Adopting flame-retardant PBT skeleton and high-strength enameled wire winding, it has excellent insulation performance, low no-load loss, low temperature rise, and electrical isolation function.
Product parameters
| Iron core material | Cold-rolled silicon steel sheet (EI laminated) | Installation method | Vertical PCB direct insertion |
| Rated frequency | 50Hz/60Hz | Power range | 0.3VA~1VA |
| Input voltage | 110VAC/220VAC/230VAC (customizable) | Output voltage | 6V/9V/12V/15V/24VAC (customizable) |
| Winding material | High-strength enameled copper wire | Skeleton | PBT/UL94-V0 |
| Flame retardant Insulation | Class B (130 ℃) optional Class F | Working temperature | -10 ℃~+105 ℃ |
| Brand | CXWON | Insulation resistance | ≥ 100M Ω @ DC500V |
Common models
Core Advantages of EI Transformer:
1. Cold rolled silicon steel laminated core with high magnetic permeability, low no-load loss, and low temperature rise during long-term operation
2. High strength enameled copper wire winding, low internal resistance, high conversion efficiency, stable output
3. Optional epoxy sealing version, moisture-proof, dust-proof, anti vibration, suitable for harsh environments and outdoor equipment
4. Standard pin spacing, compatible with automatic plug-in machines, improves customer SMT/THT assembly efficiency
5. Multiple stacking thickness specifications (6/8/10mm) can be selected, and the power margin can be adjusted within the same size
2. High strength enameled copper wire winding, low internal resistance, high conversion efficiency, stable output
3. Optional epoxy sealing version, moisture-proof, dust-proof, anti vibration, suitable for harsh environments and outdoor equipment
4. Standard pin spacing, compatible with automatic plug-in machines, improves customer SMT/THT assembly efficiency
5. Multiple stacking thickness specifications (6/8/10mm) can be selected, and the power margin can be adjusted within the same size
EI transformer real-shot details：
Typical application scenarios
Flowchart
Company Information:
FAQ
Q: Can EI19 be used for epoxy sealing?
A: Okay. The sealed version has better moisture resistance, dust resistance, and earthquake resistance, making it suitable for outdoor or harsh environmental equipment; The cost is slightly higher.
A: Okay. The sealed version has better moisture resistance, dust resistance, and earthquake resistance, making it suitable for outdoor or harsh environmental equipment; The cost is slightly higher.
Q: What is the insulation withstand voltage of EI19?
A: Standard primary secondary 3000VAC/60s, with the ability to increase the withstand voltage level according to project requirements.
Q: Is the no-load current of EI19 high?
A: Optimize the core lamination and winding process, control the no-load current at a lower level in the industry, and reduce standby losses.
Q: Can the length of EI19 3+3PIN pins be modified?
A: Support, pin length can be extended or trimmed to meet customer PCB board thickness and soldering requirements.
Q: Is EI19 a power frequency transformer?
A: Yes, it is suitable for 50/60Hz mains power supply, directly connected to AC mains power for voltage reduction and isolation, and does not belong to high-frequency switching power supply transformers.
