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The ER9.5 Gate Drive Transformer is a high-performance magnetic component engineered by Infinity Electronics, featuring a standardized ER core structure and an ultra-compact height of approximately 9.5mm. As a professional Isolated ER9.5 Gate Drive Transformer, it integrates ultra-high creepage distance and superior insulation performance into a space-saving form factor, making it a perfect fit for high-density electronic circuit designs. This High Frequency ER9.5 Gate Drive Transformer is optimized for both signal and power transmission scenarios, with a fixed 1:1 turns ratio that ensures stable energy transfer and signal isolation. Its robust electrical performance meets the stringent requirements of high-voltage and high-frequency applications, including synchronous rectification gate-drive SMPS and telecom power systems. The Compact 9.5mm Gate Drive Transformer stands out in the market for its balance of miniaturization and performance, eliminating trade-offs between size and insulation for industrial and telecom equipment designers.
The ER9.5 Gate Drive Transformer delivers a DC insulation voltage of 2000V, far exceeding industry basic standards, and an ultra-high creepage distance that prevents electrical breakdown in high-voltage working environments. This feature is critical for applications with strict safety and reliability requirements, such as telecom base stations and motor drive systems.
With a height of only 9.5mm, this compact transformer is designed for modern miniaturized electronic devices. It fits seamlessly into narrow PCB layouts without compromising performance, solving the space shortage problem in high-density SMPS and control systems.
Boasting a low interwinding capacitance (12pF) and low series inductance (1.4μH), the High Frequency ER9.5 Gate Drive Transformer maintains signal integrity and energy transfer efficiency at high frequencies. Its 600μH inductance and 28.7μVs ∫Udt ensure stable operation under dynamic load conditions.
The transformer’s design is fully compatible with synchronous rectification gate-drive SMPS, professional motor drive controllers, and telecom base station power supplies, providing a one-stop solution for diverse industrial power electronics applications.
Order Code | Turns Ratio (n) | Inductance L (μH) | ∫Udt (μVs) | DC Insulation Voltage VT (V) | Interwinding Capacitance Cww1 (pF) | Series Inductance Ls (μH) |
INF-ER9.5-600μH | 1:1 | 600 | 28.7 | 2000 | 12 | 1.4 |
The ER9.5 Gate Drive Transformer is the core component of high-efficiency synchronous rectification SMPS, providing reliable gate drive signal isolation and power transmission for switching transistors, and improving the overall efficiency of power supplies.
It is widely used in industrial motor drive and control systems, delivering isolated drive signals for power switches and ensuring stable and safe operation of AC/DC servo motors and frequency converters.
As a dedicated Gate Drive Transformer for Telecom Base Stations, it adapts to the high-voltage, high-reliability working environment of telecom base station power units, with excellent anti-interference and insulation performance to ensure uninterrupted power supply.
The transformer is suitable for general signal and power transmission scenarios in industrial electronics, providing electrical isolation and noise suppression to protect sensitive circuit components.
The ER9.5 Gate Drive Transformer fully complies with international electronic component standards and environmental regulations:
RoHS 2.0 (2011/65/EU): Restricts 10 hazardous substances including lead and cadmium, meeting EU environmental requirements.
REACH (EC 1907/2006): Complies with the regulation’s SVHC high-concern substance limits, ensuring chemical safety.
IEC 61558: Adheres to the international safety standard for power transformers and power supply units, with passed insulation and pressure resistance tests.
All products are marked with compliance labels and accompanied by a complete test report for customers’ market access and quality verification.
| Main Category | Subcategory | Details |
| MOQ | Prototyping & Small-batch | 10 piece minimum order |
| Sample Service | Free proofing & custom service, 5 free samples (shipping at buyer’s cost) | |
| Bulk Order | 5,000 pieces and above with bulk pricing | |
| Lead Time | All Standard Components | Shipped within 5–7 working days |
| Custom Inductance / Pin Design (Sample) | Sample order confirmed within 5–7 working days | |
| Custom Inductance / Pin Design (Mass Order) | Shipped within 15–30 working days | |
| Payment Terms | Main Payment Term | T/T in advance, L/C at sight |
| Procurement Standard | Complies with global enterprise procurement standard for passive components | |
| Quality Deposit | No quality security deposit required | |
| Accepted Terms | FOB Shanghai / Nanjing / Hong Kong, T/T Advance | |
Quality Assurance | Manufacturing Defects | Free replacement for issues caused by manufacturing defects |
| Inspection Report | Batch inspection reports available as certification upon customer request | |
Packaging Specifications | Updated Packaging (2026) | Blister tray packaging; Sealed Tape & Reel for SMD products |
| Optional Packaging | Vacuum sealed packaging for customers with strict moisture-proof requirements |
In addition to the standard INF-ER9.5-600μH model, we offer customized design services for the ER9.5 Gate Drive Transformer, including adjustable inductance values, turns ratios, and insulation voltage ratings to meet personalized application requirements of customers.
Our engineering team provides one-stop technical support, including PCB layout suggestions, application circuit simulation, and on-site debugging, to help customers quickly integrate the transformer into their products and reduce R&D cycles.
