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Stable Reliable H4001SD Network Transformer for Efficient Ethernet Connection
Place of Origin:
China,Guangdong
Brand Name:
Chipsen
Certification:
ISO9001:2015, IATF16949:2016, U/L, ROHS, CQC, CE, cUL
Model Number:
H4001SD
Minimum Order Quantity:
1000pcs
Price:
＄0.2-0.55/pieces,1000-10000pcs
Packaging Details:
Tape & reel or tube + export cartons; securely palletized. Optimized for SMT production. Custom available.
Delivery Time:
7-21work days (Negotiable)
Payment Terms:
T/T
Supply Ability:
10000pcs
Inquiry Now
Get A Quote
Specifications
Highlight Features
H4001SD network transformer for Ethernet
,Stable reliable network transformer
,High frequency pulse transformer H4001SD
Product Name:
H4001SD Network Transformer LAN Transformer
Frequency:
1MHz - 100MHz Network Communication
Components:
Ferrite Core, Copper Wire, Plastic Case
Shape Type:
SMD Surface Mount Type
Usage:
Networking Equipment Ethernet Communication
Warranty:
5 Years
OEM/ODM:
Acceptable
Highlight:
High-Speed Gigabit Ethernet Support Superior EMI Suppression & Isolation Automated SMT Assembly Compatible
Product Description
Stable Reliable H4001SD Network Transformer for Efficient Ethernet Connection
Enterprise Networking Excellence: H4001SD High-Performance LAN Transformer
The H4001SD Series Network Transformer represents a critical evolutionary milestone in high-speed Ethernet connectivity and signal processing. As modern networking infrastructure transitions toward higher data rates and more robust transmission protocols, the demand for high-integrity magnetic isolation modules has never been more vital.
The H4001SD is specifically engineered to serve as the interface between the Physical Layer (PHY) chip and external network cabling, providing essential functions of galvanic isolation, impedance matching, and electromagnetic interference (EMI) suppression. Built into a 40-pin surface-mount (SMD) package, this high-density form factor supports multi-port configurations or sophisticated single-port enterprise-grade equipment where signal purity is non-negotiable.
The "H4001SD" designation signifies a specialized architecture optimized for Gigabit Ethernet (1000Base-T) and beyond. This component acts as a silent guardian of data integrity, filtering out high-frequency noise and protecting sensitive networking hardware from voltage transients and common-mode disturbances.
Strategic Selling Points
- Superior Signal Integrity: Optimized for wideband frequency response, ensuring Ethernet packets are transmitted with minimal distortion over cable runs up to 100 meters
- Massive Common-Mode Rejection (CMR): Integrated common-mode choke array effectively suppresses background noise and crosstalk in electromagnetically noisy environments
- High-Voltage Safety Isolation: Engineered with high-spec insulation barriers capable of sustaining up to 1500V AC dielectric stress
- Precision SMD Footprint: 40-pin surface-mount design optimized for high-speed automated SMT assembly
- Total Bandwidth Optimization: Specifically tuned for 10/100/1000Base-T applications with flat response curve
- Industrial-Grade Environmental Resilience: High-grade thermoset resins and moisture-proof packaging for intense thermal cycles
- Minimal Insertion Loss: Ultra-low signal attenuation contributing to higher receiver sensitivity and lower error rates
Technical Specifications
| Technical Parameter | Standard Industrial Specification / Value |
|---|---|
| Product Model | H4001SD High-Density Network Series |
| Turns Ratio (±5%) | 1CT:1CT (Primary to Secondary) |
| OCL (@100kHz/0.1V, 8mA DC Bias) | 350µH Minimum (Standard Ethernet Requirement) |
| Insertion Loss (0.1MHz - 100MHz) | -1.1dB Maximum (Ultra-Low Attenuation) |
| Return Loss (0.5MHz - 30MHz) | -18dB Minimum (Optimized Impedance) |
| Return Loss (30.1MHz - 60MHz) | -15dB Minimum |
| Crosstalk (0.1MHz - 100MHz) | -35dB Minimum (Inter-Channel Isolation) |
| Common Mode Rejection (CMR) | -35dB Minimum (@ 0.1MHz - 100MHz) |
| Isolation Voltage (Hi-Pot) | 1500V AC / 60s (Safety Isolation) |
| Operating Frequency | 1MHz - 125MHz (Bandwidth Support) |
| Operating Temperature | 0°C to +70°C (Extended Temp Options Available) |
| Mounting Style | SMD Surface Mount / 40-Pin Gull-wing |
| Standards Compliance | RoHS, REACH, IEEE 802.3 ab |
Engineering Insight
Understanding these parameters is vital for networking hardware designers. The OCL (Open Circuit Inductance) of 350µH is a non-negotiable metric for Ethernet compatibility, maintained even under 8mA DC bias to ensure transformer stability during continuous data bursts.
The Insertion Loss of -1.1dB is achieved through meticulous control of the ferrite core's magnetic window, ensuring nearly 100% signal energy transfer from PHY to cable, maximizing signal-to-noise ratio at the receiver end.
Return Loss parameters measure how well the H4001SD matches the 100-ohm characteristic impedance of Ethernet environment. High return loss means less signal energy is reflected back to the source, preventing internal echoes that cause data errors.
The Crosstalk rejection of -35dB ensures high-frequency signals on one pair do not bleed into neighboring pairs, preventing packet retransmissions in high-density network switches.
Advanced Manufacturing Advantages
Micro-Toroidal Magnetic Architecture: Contains multiple independent magnetic toroids manufactured from specialized high-frequency Mn-Zn ferrite oxides with high permeability and exceptionally low core loss, maintaining magnetic properties across massive frequency range.
High-Precision Automated Winding Process: Utilizes state-of-the-art multi-spindle CNC winding machines handling copper wire thinner than human hair, monitoring wire tension and winding speed in real-time for mathematical precision.
Encapsulation and EMI Shielding: High-grade, flame-retardant thermoplastic housing provides mechanical damping and moisture protection. Vacuum Pressure Impregnation (VPI) cycle eliminates air pockets and replaces them with high-grade dielectric resin.
Automated Optical and Electrical Verification: Every unit undergoes 100% electrical testing and optical inspection, significantly reducing Total Cost of Ownership (TCO) by eliminating incoming inspection failures and field returns.
Industry Applications
Enterprise Networking and Data Center: Primary choice for network interface cards (NICs) and port modules of high-end switches and routers. 40-pin density and low-profile SMD design allow packing more ports into standard 1U chassis.
Industrial IoT and Smart Factory: Used in industrial gateways, PLC communication modules, and robotic control units. 1500V isolation barrier protects sensitive microprocessors from grid-side noise and transients in noisy factory environments.
Security and Surveillance Infrastructure: Relied upon for high-definition IP camera networks and digital video recorders (DVRs). Ensures high-resolution video streams are transmitted without packet drops over long cable runs.
Telecommunications and Mobile Backhaul: Supports stable communication modules for 4G/5G small-cell base stations and outdoor networking equipment. Moisture-proof encapsulation and high-dielectric strength suit diverse outdoor environments.
High-End Consumer and Digital Home: Provides stable connectivity for smart TVs, set-top boxes, and advanced gaming consoles. Ensures home networks remain fast and reliable for 4K/8K streaming.
Manufacturer Profile: Chipsen Electronics
Chipsen Electronics is a professional manufacturer specializing in high-performance transformers and magnetic components, with over 26 years of manufacturing expertise. Founded in 2000, the company operates 4 production bases covering over 7,200 square meters with 400+ skilled employees.
Certifications include ISO9001, ISO14001, IATF16949, with products approved by UL Class B/F/H, CQC, RoHS and REACH. The company holds 36+ utility patents supported by a robust in-house R&D team.
Company Advantages
- Full Service Customization: Rapid design support within 24-48 hours based on your specifications
- Extensive Product Portfolio: 200+ product types including transformers, inductors, filters, and common mode chokes
- Advanced Manufacturing Capability: Automated winding and assembly machines improving efficiency by 8x
- Strict Quality Control: 100% testing procedures including electrical performance and insulation tests
- High Voltage & High Frequency Expertise: Specialized in 5KV to 40KV transformers
- Flexible MOQ & Fast Lead Time: Lead times as fast as 7 to 15 days
- OEM/ODM Supported with competitive factory direct pricing
- Export experience across Europe, North America, and Asia
Our Mission: To deliver reliable, energy-efficient transformer solutions that empower customer products and enhance market competitiveness worldwide.
Frequently Asked Questions
How long does it take to prepare samples?
3-5 days for new samples, 1 day for samples in stock.
How are samples shipped?
When customers cover freight costs, we help choose the most economical shipping method.
Do you provide technical support for customized products?
Yes, our strong R&D team provides free technical support for customizations in voltage, power, inductance, dimensions, core materials, and more.
Do you accept flexible minimum order quantities?
We support flexible MOQ based on your industry and product requirements. Please share your application areas and estimated annual usage.
Can you ensure proper packaging for large sea shipments?
Yes, we provide goods packed in strong export cartons, on wooden pallets, and shrink-wrapped for protection.
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