EE5.0 SMD High Frequency Current Transformer with Ferrite Core and 3+3 Pin for High Frequency Adaptability
Commonly deployed in power electronics equipment, communication base station power supplies, and high-frequency switching power supplies, this transformer provides precise high-frequency current measurement for system control, protection, and monitoring, ensuring safe and efficient equipment operation.
Application Specifications
| Parameter | Specification |
| Type | Surface-mount (SMD) current sense / pulse transformer |
| Core material | High-frequency MnZn ferrite |
| Frequency range | 10 kHz to 1 MHz, optimized for high-frequency switching power supplies |
| Primary inductance (Lp) | Varies by turns ratio, e.g. 100 uH to 5000 uH |
| Turns ratio (Np:Ns) | Common ratios 1:100, 1:50 and 1:25, selected by current measurement range |
| Isolation voltage | High isolation, e.g. > 1 kV RMS between primary and secondary windings |
| Saturation current | Defined to ensure linear operation under the maximum intended load current |
| Operating temperature range | -40°C to +125°C |
| Thermal stability | Stable performance across the entire temperature range |
| Mounting | Automated SMD assembly, compatible with reflow soldering |
| Function | Provides galvanic isolation for safe, accurate current sensing |
Product Features
● High-frequency current sensing: engineered to measure and monitor high-frequency current and to output a signal proportional to the primary current.
● High-frequency MnZn ferrite core: a high-permeability core selected for high-frequency operation,.
● Wide frequency range: 10 kHz to 1 MHz, optimized for high-frequency switching power supplies.
● Galvanic isolation: high isolation, e.g. > 1 kV RMS, between primary and secondary windings.
● Excellent linearity and low phase shift: keeps the sensed signal faithful to the real current.
● Selectable turns ratio: common ratios 1:100, 1:50 and 1:25, with primary inductance selectable.
● SMD construction: surface-mount pins with strong solderability and a footprint compatible with industry standards.
Product Advantages
● Purpose-built for High Frequencies:EE5.0 core and MnZn ferrite grade ensure faithful waveform capture with minimal core loss and parasitics.
● High Accuracy & Protection: Excellent linearity and low phase shift enable tighter OCP thresholds and stable current-mode control.
● Galvanic Isolation:>1 kV RMS isolation safely separates high-voltage power stages from low-voltage control boards.
● Flexible Multi-Specs: Turns ratios of 1:25, 1:50, 1:100 and primary inductance from 100 uH to 5000 uH suit various current ranges.
● SMT-Friendly Production:Surface-mount package and standard footprint ensure reflow soldering compatibility and fast time-to-market.
● Low-Radiation Shielding: Shielded structure minimizes magnetic interference in dense switching power supplies.
● Wide Temperature Stability:Rated from -40°C to +125°C with low DCR copper wire for high efficiency.
● Certified Quality:RoHS, ISO9001, and CE certified.
Application scenario
Application
High-frequency switching power supplies (SMPS)
Primary and secondary current sensing, current-mode contro.
Electric vehicle charging equipment
Power sensing and current monitoring in EV charging modules and charging piles.
Telecommunication and base station power supplies
Current measurement for system control.
Power conversion stages
PFC front ends, AC-DC and DC-DC converters, inverters, and energy storage converters where the control loop needs a fast.
Motor drives and industrial power electronics
Phase-current sensing and protection in variable-frequency drives and other power electronics equipment.
Pulse transformer circuits
Isolated pulse transmission, where a compact surface-mount pulse transformer with high isolation is required.
Product Details Showcase
Quality & Testing Assurance