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Wurth Elektronik 35 mH Nano Crystal Common Mode Choke 3.5 A IDC 80 mΩ Rdc 250 V AC 300 MHz Max SRF WE-CMBNC 7448040435
Specifications
| Country of Origin | China |
|---|---|
| Brand | Wurth Elektronik |
| Height | 32mm |
| Length | 28mm |
| Depth | 19mm |
| Packaging | Tray & Carton |
| Mount Type | Through Hole |
| Series | WE-CMBNC |
| Maximum Operating Temperature | 125°C |
| Minimum Operating Temperature | -40°C |
| Test Frequency | 50Hz |
| Core Material | Nano Crystal |
| Maximum Voltage | 250V ac |
| Inductance | 35mH |
| Standards/Approvals | RoHS, VDE, REACH, ENEC 10 |
| Maximum DC Current | 3.5A |
| Pin Count | 4 |
| Maximum DC Resistance | 80mΩ |
| Inductance Tolerance | -30 to 50 % |
| Termination Style | Solder |
| Maximum Self Resonant Frequency | 300MHz |
| Lead Pitch | 10mm |
| Lead Diameter | 1mm |
| Wurth 2 x 82 mH -30 → +50% Nano Crystalline Common Mode Choke, Max SRF | 1 kHz → 300 MHz, 2.5A Idc, 2 xBrand: Wurth Elektronik |
| Wurth Elektronik 35 mH Nano Crystal Common Mode Choke, Max SRF | 300 MHz, 3.5 A Idc, 80 mΩ Rdc 250V ac, WE-CMBNC |
Key Features
- Inductance of 35 mH ensures strong attenuation of common-mode disturbances.
- Maximum DC current rating of 3.5A supports higher current circuits.
- Low maximum DC resistance of 80 mΩ reduces insertion losses effectively.
- Operates within a temperature range from -40°C to 125°C for versatile applications.
- Solder termination with through-hole mounting and 1 mm lead diameter.
- Complies with RoHS, VDE, REACH, and ENEC 10 standards for safety and environmental requirements.
- Suitable for EMI suppression in power line filters and industrial control equipment.
Product Description
Wurth Elektronik 7448040435 is a 35 mH Nano Crystal Common Mode Choke designed for effective EMI suppression and noise reduction in power and signal lines. This through-hole component uses a nano-crystal core, offering stable inductive behavior at 50 Hz test frequency and up to a maximum operating voltage of 250 V AC. It supports currents up to 3.5 A, making it ideal for circuits requiring robust interference attenuation.
The device features a maximum DC resistance of 80 mΩ to minimize insertion losses and maintains performance with a maximum self-resonant frequency of 300 MHz. Its thermal performance is robust, operating within the range of -40°C to 125°C, suitable for diverse industrial and commercial environments.
Physical dimensions include a length of 28 mm, depth of 19 mm, height of 32 mm, and a lead pitch of 10 mm, with leads of 1 mm diameter suited for solder termination and through-hole mounting. Compliance to RoHS, VDE, REACH, and ENEC 10 standards ensures adherence to environmental and safety regulations.
This choke is widely used for EMI suppression in power line filters, industrial control systems with mains connections, switch-mode power supplies for noise reduction, medical and instrumentation earthing paths, and suitable for retrofit in legacy through-hole assemblies.
35 mH inductance provides strong common-mode noise attenuation. Maximum DC current rating of 3.5 A for higher current capacity. 80 mΩ maximum DC resistance minimizes insertion losses. Wide operating temperature from -40°C to 125°C.
Solder termination and through-hole mounting with 1 mm lead diameter. Compact size and footprint with 28x19x32 mm dimensions and 10 mm lead pitch. Compliance with RoHS, VDE, REACH, and ENEC 10 standards. Ideal for EMI suppression, industrial and medical applications.
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Frequently Asked Questions
The inductance value of this model is 35 mH, which ensures strong attenuation of common-mode disturbances.
It has a maximum DC current rating of 3.5 A, supporting higher current circuits effectively.
The maximum DC resistance is 80 mΩ, which helps to reduce insertion losses effectively.
This common mode choke operates within a temperature range from -40°C to 125°C, making it suitable for diverse applications.
The physical dimensions are 28 mm in length, 19 mm in depth, and 32 mm in height, with a lead pitch of 10 mm.
The maximum operating voltage is 250 V AC, allowing it to be used in various applications requiring this voltage level.
The maximum self-resonant frequency is 300 MHz, which is important for its performance in high-frequency applications.
It features solder termination with through-hole mounting and has a lead diameter of 1 mm.
This component complies with RoHS, VDE, REACH, and ENEC 10 standards for safety and environmental requirements.
The core material is nano crystal, which contributes to its stable inductive behavior.
It is suitable for EMI suppression in power line filters, industrial control systems, and switch-mode power supplies.
The choke is packaged in tray and carton for safe delivery and storage.
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