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CMD CM0705 Series SMD Common Mode Choke with High Attenuation Performance, Wide Inductance Range, and High Isolation Capability
CMD CM0705 Series SMD Common Mode Choke with High Attenuation Performance, Wide Inductance Range, and High Isolation Capability
Product Description
CMD Common Mode Choke CM0705 Series
The CMD Common Mode Choke CM0705 Series is a compact SMD common mode choke designed for effective noise suppression in high-density electronic circuits. Featuring a miniature surface mount package optimized for pick-and-place assembly, this series delivers reliable coplanarity and consistent electrical performance across a wide frequency range.
With multiple inductance options and a high line-to-line test voltage of 500 Vrms, the CM0705 Series is well suited for applications requiring stable EMI filtering and signal integrity protection. Its robust design and wide operating temperature range make it a dependable surface mount common mode inductor for consumer, industrial, and communication electronics.
Key Features
Surface Mount Design - Compact SMD package compatible with automated pick-and-place assembly
High Attenuation Performance - Designed for effective EMI noise suppression over a wide frequency range
Wide Inductance Range - Inductance values from 47 µH to 12000 µH (model-dependent)
Stable Rated Current - Rated current up to 500 mA depending on part number
Low DC Resistance - Optimized DCR values to minimize power loss
High Isolation Capability - 500 Vrms test voltage between windings (line to line)
Wide Temperature Range - Operating temperature from -25°C to +105°C
Electrical Characteristics
Specifications measured at 25°C ambient temperature:
Inductance Tolerance
+50% / -30%
Inductance Range
47 µH to 12000 µH
Rated Current
100 mA to 500 mA (model-dependent)
DC Resistance (Max.)
180 mΩ to 1800 mΩ
Test Voltage
500 Vrms (line to line)
Inductance Test Condition
100 kHz, 20 mV
Applications
EMI Suppression - Noise filtering in signal and power lines using an EMI suppression common mode choke
Power Input Filtering - Common mode noise reduction in DC power lines
Consumer Electronics - Noise control in compact devices requiring SMD components
Industrial Electronics - Signal integrity protection in control and interface circuits
Communication Equipment - EMI filtering for data and communication lines
Frequently Asked Questions
What is the primary function of the CM0705 common mode choke?
It is designed to suppress common mode noise and reduce electromagnetic interference in signal and power lines.
Is the CM0705 Series suitable for automated assembly?
Yes. The SMD design is optimized for pick-and-place processes and provides reliable coplanarity.
Does the inductance vary by part number?
Yes. The CM0705 Series offers a wide range of inductance values, with rated current and DCR varying by model.
Can it operate in high-temperature environments?
The series supports an operating temperature range from -25°C to +105°C, suitable for most industrial and consumer applications.