EEL25 High Performance Pulse Transformer Multi-Slot High Voltage Step Up
Product Overview
The EEL25 multi-slot pulse transformer is engineered for high-voltage triggering, pulse signal transmission, and specialized isolation applications. Featuring a multi-section segmented bobbin design, this transformer effectively reduces distributed capacitance, increases creepage distance, and prevents inter-turn high-voltage breakdown. It delivers exceptional insulation, reliable pulse signal integrity, and stable continuous performance under demanding operating conditions.
| Parameter Category |
Parameter Name |
Standard Spec (Reference Model) |
Customizable Range & Options |
| Electrical Specs |
Primary Voltage (Vin) |
12V / 24V / 110V / 220V AC/DC |
5V ~ 400V AC/DC |
| Electrical Specs |
Secondary Output Voltage (Vout) |
3.0 kV ~ 15.0 kV Peak |
Up to 25.0 kV Peak |
| Electrical Specs |
Turns Ratio (Np : Ns) |
1:100 ~ 1:800 (Ref: 1:323) |
1:10 ~ 1:1200 (Multi-tap available) |
| Electrical Specs |
Operating Frequency (f) |
10 kHz ~ 100 kHz |
1 kHz ~ 300 kHz |
| Electrical Specs |
Primary Inductance (Lp) |
10 uH ~ 500 uH +/-10% |
1 uH ~ 10 mH (Custom tolerance) |
| Electrical Specs |
Leakage Inductance (Lk) |
< 5% of Primary Inductance |
< 2% Low leakage design |
| Electrical Specs |
Output Pulse Energy |
0.1 J ~ 2.0 J |
0.01 J ~ 10.0 J |
| Electrical Specs |
DC Resistance (DCR) |
Primary: mOhm; Sec: 10 ~ 500 Ohm |
Optimized ultra-low DCR available |
| Structure & Insulation |
Bobbin Structure |
EEL25 Multi-Slot (6 to 8 Slots) |
3 ~ 12 Slots / Custom Bobbin Pitch |
| Structure & Insulation |
Core Material & Type |
Ferrite Core EEL25 / EE25 (MnZn) |
High Bsat Ferrite, Nanocrystalline |
| Structure & Insulation |
Dielectric / Hi-Pot Proof |
AC 3.0 kV ~ 5.0 kV / 1 min |
Up to AC 8.0 kV or DC 12.0 kV |
| Structure & Insulation |
Insulation Thermal Class |
Class B (130°C) / Class F (155°C) |
Class H (180°C) / Class N (200°C) |
| Structure & Insulation |
Encapsulation / Potting |
Epoxy Resin Vacuum Potting |
PU / Silicone / Non-potted open type |
| Structure & Insulation |
Pinout & Mounting |
THT Dip Pins (Horizontal/Vertical) |
SMD / Fly-leads / Terminal Blocks |
Key Features
- Multi-Slot Bobbin Structure: Multi-slot physical segmentation minimizes distributed capacitance while boosting dielectric strength and resistance to sparkover.
- High Voltage Insulation: Designed to satisfy stringent safety and isolation standards, providing high clearance and creepage distances.
- Low Leakage Inductance: Optimized winding layout ensures quick pulse rise time and fast signal response without significant waveform distortion.
- Compact & Thermal-Efficient: EEL25 magnetic core architecture provides high power density and reliable thermal dissipation in a compact footprint.
Product Applications
- High-Voltage Ignition & Triggering: Gas discharge igniters, ozone generators, negative ion generators, and strobe light triggering.
- Power Electronics & Medical: Pulse drive circuits, high-voltage medical equipment, and precision pulse signal transformers.
- Industrial Automation & Energy: Gate drive circuitry, switching power supplies (SMPS), and industrial pulse control modules.
Why Choose Us
Product Advantages
- Certified Safety: Built and manufactured to comply with global safety standards, including UL/cUL (Class B/F/H), VDE, CE, CB, CQC, RoHS, and REACH.
- Customizable Designs: Flexible winding turns, inductance range, and pin configuration options tailored specifically to your circuit needs.
- Consistent Quality: Produced using fully automated winding, soldering, and 100% automated test/pack equipment to ensure strict batch-to-batch consistency.
Company Advantages
- Proven OEM/ODM Experience: Founded in 2007, Dongguan Jianyangda Electronics / CHIPSEN has over 15 years of deep expertise in magnetic component manufacturing.
- Certified Facilities: Operating under ISO9001, ISO14001, and IATF16949 quality management systems across 3 production bases (Dongguan, Nanchang, and Vietnam).
- Strong R&D & Test Capabilities: Equipped with 30+ technical patents and advanced testing instruments (Agilent impedance analyzers, HP high-frequency testers, and 100A DC bias testers).