CC-NC-CT-004-40GCT Series

CT Toroidal Core 40×30×15mm

DC-tolerant CT toroidal core with thin epoxy coating

Request Quote

Special Notes: DC-tolerant CT, gap precision critical

Core Dimensions

Gap 0.20OD: 40mmID: 30mmH: 15mmCased: 40.8×29.2×15.8mmBare: 40×30×15mm

Technical Specifications

Physical Dimensions

Bare Outer Diameter (OD):40 mm
Bare Inner Diameter (ID):30 mm
Bare Height (H):15 mm
Cased Outer Diameter:40.8 mm
Cased Inner Diameter:29.2 mm
Cased Height:15.8 mm

Electrical Properties

Gap:0.20mm
AL Value:~1.0–1.5 (Target)
Core Loss:Max 30 W/kg
Test Conditions:50 kHz, 0.15 T
Material:Nanocrystalline

Coating & Protection

Coating Type:Thin Epoxy
Coating Thickness:0.10–0.20mm
Color:Black
Application:DC-tolerant CT

Environmental Specs

Operating Temperature:-40°C to +130°C
Temperature Stability:±10% drift
Humidity:95% RH max
Vibration:IEC 60068-2-6

Typical Applications

DC-tolerant Measurement

Current sensing with DC bias tolerance

Power Electronics

Inverters and converter current monitoring

Protection Systems

Overcurrent protection with DC immunity

Related CT Products

CC-NC-CT-001-26

26×16×10mm CT Core

Low-loss CT

CC-NC-CMC-001-20

20×12×8mm CMC Core

AL ≥60 nH/N²

CC-NC-CMC-005-40

40×25×15mm Solar Inverter

High Volume

Need This Core for Your Application?

Get pricing, availability, and technical support for the CC-NC-CT-004-40G core.

Request QuoteTechnical Support