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EP7 Mini SMPS Pulse Transformer Excellent EMI Shielding Custom SMD PCB Mount
Place of Origin:
China
Brand Name:
Chipsen
Certification:
UL/CUL/ISO9001/ISO14001/RoHS/Reach/IATF16949
Model Number:
EP7
Minimum Order Quantity:
1000
Price:
US$0.15-1.5
Packaging Details:
Tape-and-reel packaging
Delivery Time:
3-4 Weeks
Payment Terms:
T/T
Supply Ability:
10000000/Month
Inquiry Now
Get A Quote
Specifications
Highlight Features
SMPS pulse transformer
,Mini pulse transformer
,PCB Mount high voltage pulse transformer
Product Name:
EP7 Flyback Transformer
Frequency:
1KHz -1MHz
Core Material:
PC44/PC95 Ferrite Core
Winding Wire:
Copper Wire
Input Voltage:
110v/200v/220v/240v/360v/480v
Output Voltage:
12V 24V 48V 60V 120V 240V
Operating Temperature:
-40 ~+200
Application:
Communication Prducts, Medical Instruments, Home Appliances, AI
Mounting Type:
SMD/ PCB
Power:
0.5W-5W
Product Description
High Frequency EP7 Ferrite Core Transformer Mini SMPS Pulse Transformer Excellent EMI Shielding Custom SMD/PCB Mount
Product Introduction
The EP7 Series High-Frequency Transformer is a high-precision magnetic component designed around the specialized EP7 ferrite core. Featuring a unique cubical geometry with a cylindrical center limb, this transformer is engineered to provide a robust solution for power and signal management in modern, high-density electronic environments. Its "capsule-like" architecture allows it to deliver superior performance in a miniature form factor, making it an essential component for high-end electronic applications.
| Parameter | Typical Value / Spec |
|---|---|
| Core Type | EP7 (Ferrite Core) |
| Mounting Type | Through-hole / SMD |
| Pin Count | 6-Pin / 8-Pin (Customizable) |
| Dimensions | Approx. 9.5mm x 6.5mm x 7.8mm (Excl. pins) |
| Power Output | 1.0W - 5.0W (Max) |
| Frequency | 50KHz - 1MHz |
| Input Voltage | 5V / 12V / 24V / 48V (DC-DC Typical) |
| Hi-Pot | 1.5KV - 3.0KV AC / 1min |
| Insulation Resistance | >=100MΩ (at 500V DC) |
| Leakage Inductance | < 1% - 3% (Typical) |
| Core Material | PC40 / PC44 / PC95 Mn-Zn Ferrite |
| Winding Wire | 2UEW / 3UEW High Temp Enameled Copper Wire |
| Insulation Class | Class B (130°C) / Class F (155°C) |
| Ae (Effective Area) | 10.3 mm² |
| Operating Temp | -40°C to +125°C (Incl. self-heating) |
| Storage Temp | -25°C to +85°C |
| Compliance | RoHS, REACH, UL Recognized (Optional) |
Product Features
- Optimized Geometry: The cubical shape provides an excellent volume-to-surface-area ratio, maximizing magnetic efficiency within a minimal footprint.
- High-Frequency Range: Optimized for high-frequency operation, typically ranging from 100kHz up to 1MHz, supporting modern high-speed switching topologies.
- Precision Winding: The round center post facilitates uniform winding distribution, reducing mechanical stress on the copper wire and ensuring highly consistent electrical parameters.
- Versatile Mounting: Available in both Surface Mount (SMD) and Through-Hole (THT) configurations to suit various PCB assembly processes.
- Material Quality: Constructed with premium PC40/PC44/PC95 ferrite materials, offering low core loss and high magnetic permeability.
Product Applications
- Telecommunications: A standard choice for xDSL modems, ISDN routers, and wideband signal transmission due to its excellent signal integrity.
- Signal Isolation: Widely used as a pulse transformer or gate drive transformer (GDT) for driving MOSFETs and IGBTs in power converters.
- Compact Power Supplies: Ideal for low-power DC-DC converters (typically 1W to 5W) in smart home devices, sensors, and IoT modules.
- Medical & Precision Instruments: Used in sensitive analog circuits where low noise and high reliability are critical requirements.
Product Advantages
- Superior EMI Shielding: The unique self-shielding design effectively encloses the windings, significantly minimizing magnetic leakage and electromagnetic interference (EMI) compared to traditional E-core transformers.
- Extreme Space Efficiency: Its vertical-oriented cubical structure occupies minimal PCB real estate, allowing for higher component density on the board.
- Excellent Thermal Stability: The high-quality insulation and core material ensure stable performance across a broad temperature range (typically -40°C to +125°C).
- High Consistency: The standardized mechanical structure ensures that electrical parameters like leakage inductance and stray capacitance remain consistent across large production batches, reducing the need for circuit recalibration.
Company Strengths
Chipsen Electronics Technology Co., Ltd., established in 2000, is a specialized manufacturer of high frequency transformer, low frequency transformer, toroidal inductor, SMD power inductor, super high current inductor, choke coil and switch. Chipsen has got a good reputation in domestic and oversea markets which include North & South America, Europe and Southeast Asia.
Chipsen possesses a professional management team, as an ISO9001, IS014001 & IATF16949 audited company, which always commits to producing environmental protection and qualified products. Our products are certified by UL Class B/Class F/Class H, CQC and RoHS, and obtained 21 patents. These achievements mainly come from our strong R&D team, providing various solutions for temperature decreasing, noise cancellation and coupled radiation conductivity. Our products widely used in various fields of new energy, PV, UPS, Robotics, smart home, security systems, health care and communication.
Vision: To Be Global Transformer Brand Supplier
Mission: Create Values for Customers and Society, Grow with Customers and Staffs
Values: Customer First, Team Cooperation, Embrace Changes, Integrity, Creative & Happy
Technical FAQ for EP7 Transformers
Q1: How does the unique cubical geometry of the EP7 core contribute to superior EMI/EMC performance compared to traditional E-cores?
A: The EP7 core features a specialized cubical "shell-like" structure that almost entirely encloses the internal bobbin and windings. Unlike open E-cores or EF-cores, the EP7's side plates act as a natural magnetic shield, significantly containing the magnetic flux within the transformer. This minimizes Magnetic Leakage and Radiated EMI (Electromagnetic Interference). For engineers designing high-density PCBs—especially in noise-sensitive applications like medical sensors or xDSL modems—this self-shielding characteristic reduces cross-talk between components and helps the final product pass stringent EMC certifications (such as CISPR or FCC) without requiring additional external shielding.
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