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MB1206
TDK-Lambda Americas Inc
LINE FILTER 250VDC/VAC 6A CHAS
1391 Pcs New Original In Stock
Single Phase EMC/EMI Line Filter 6 A 250VAC Two Stage Terminal Block
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Minimum 1
5.0 / 5.0
- (54 Ratings)
MB1206
Product Overview
6606975
DiGi Electronics Part Number
MB1206-DGManufacturer
TDK-Lambda Americas Inc
MB1206
Description
LINE FILTER 250VDC/VAC 6A CHASInventory
1391 Pcs New Original In Stock
Single Phase EMC/EMI Line Filter 6 A 250VAC Two Stage Terminal Block
Quantity
Minimum 1
Minimum 1
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MB1206 Technical Specifications
Category
Power Line Filter Modules
Packaging
-
Series
MB
Product Status
Obsolete
Filter Type
Single Phase
Configuration
Two Stage
Voltage - Rated DC
250V
Voltage - Rated AC
250V
Current
6 A
Frequency - Operating
-
Applications
General Purpose
Approval Agency
CSA, UL, VDE
Operating Temperature
-25°C ~ 85°C
Mounting Type
Chassis Mount
Termination Style
Terminal Block
Inductance
-
Datasheet & Documents
Datasheets
Download MB1206 Product Specification (PDF)
HTML Datasheet
MB1206-DG
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
Not Applicable
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8504.90.4100
Additional Information
Other Names
MB1206-DG
Q1166770A
285-1740
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
長期合作讓我見證了他們對品質的執著與追求，值得信賴。
December 02, 2025
Die Preisvorteile bei DiGi Electronics sind spürbar, das macht das Shoppen besonders attraktiv.
December 02, 2025
I'm consistently impressed by the quality consistency and quick dispatch from DiGi Electronics.
December 02, 2025
DiGi Electronics' quick dispatch of orders has made my procurement process more efficient.
December 02, 2025
The sturdy build of their offerings gives me peace of mind that my devices will last years.
December 02, 2025
Their commitment to transparency and after-sales service is truly commendable.
December 02, 2025
The prices are fair, and the eco packaging is a bonus for environmentally conscious shoppers.
December 02, 2025
I love how DiGi Electronics balances quality and cost-effectiveness.
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Frequently Asked Questions (FAQ)
Can the MB1206 line filter be safely used in a 240VAC industrial control panel with frequent motor startups, and what are the risks of saturation or overheating under high inrush currents?
The MB1206 is rated for 250VAC and 6A continuous current, making it electrically suitable for 240VAC systems. However, frequent motor startups can generate inrush currents exceeding 10x the nominal rating, which may cause core saturation in the filter’s inductors and increase thermal stress on components. Since the MB1206 uses a two-stage topology without specified surge current ratings, prolonged exposure to high inrush events can degrade performance or lead to premature failure. To mitigate risk, consider adding an inrush current limiter (e.g., NTC thermistor) upstream or evaluate a higher-current filter like the TDK-Lambda MF series with explicit surge handling. Always monitor operating temperature in the enclosure, especially near the upper limit of 85°C.
Is the MB1206 obsolete status a concern for long-term product designs, and what are the best drop-in replacement options with similar performance and certifications?
Yes, the MB1206’s obsolete status poses supply chain and lifecycle risks for new designs. While it remains functional and compliant with UL, CSA, and VDE, ongoing availability cannot be guaranteed. A viable drop-in replacement is the TDK-Lambda MF12206, which offers the same 6A/250VAC rating, two-stage filtering, chassis mount, and terminal block termination, while being actively manufactured. Alternatively, Schaffner FN2060-6-06 provides comparable EMC performance and certifications. Before switching, verify mechanical fit, insertion loss curves, and leakage current, as subtle differences in filter topology can affect EMI compliance in sensitive applications.
How does the MB1206 perform in high-humidity or condensing environments, and are there any sealing or conformal coating recommendations to prevent corrosion on the terminal block?
The MB1206 has no specified moisture sensitivity level (MSL Not Applicable), but its open terminal block design and chassis-mount construction make it vulnerable to corrosion in humid or condensing environments—especially near the −25°C lower operating limit where condensation can form during thermal cycling. Without protective measures, oxidation at terminals can increase contact resistance and lead to overheating. For such environments, apply a non-conformal silicone-based coating (e.g., Dow Corning 1-2577) to exposed terminals and ensure the mounting surface is gasketed to limit moisture ingress. Alternatively, consider sealed filters like the Corcom PE6xx series for harsh conditions.
Can the MB1206 be used in a medical device application requiring patient leakage current below 100µA, and what design modifications are needed to meet IEC 60601-1?
The MB1206 alone is unlikely to meet the stringent leakage current requirements of IEC 60601-1 for medical devices, as standard industrial filters often exhibit leakage currents in the 0.5–1mA range due to Y-capacitors. While it carries general safety approvals (UL/CSA/VDE), it lacks medical-specific certification. To achieve <100µA leakage, you must either select a medical-grade filter (e.g., TDK-Lambda MAF series) or redesign the input stage with reduced Y-cap values and additional isolation. Using the MB1206 in such applications without modification risks non-compliance and safety hazards. Always perform leakage current testing under worst-case conditions (e.g., single fault, max voltage).
What are the key integration challenges when replacing an older filter with the MB1206 in an existing chassis, particularly regarding grounding, shielding, and EMI performance degradation?
Integrating the MB1206 into an existing chassis requires careful attention to grounding integrity and shield continuity. Its chassis-mount design relies on direct metal-to-metal contact for proper EMI grounding; poor mounting (e.g., painted surfaces, loose screws) can increase ground impedance and reduce high-frequency attenuation. Additionally, the two-stage configuration demands adequate creepage and clearance—ensure at least 3mm spacing from live parts to prevent arcing at 250VAC. If the original filter had a different footprint or terminal orientation, mechanical stress on wiring may compromise long-term reliability. Always validate EMI performance post-installation using conducted emissions testing (per CISPR 22/32), as suboptimal layout can negate the filter’s benefits despite correct part selection.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MB1206 CAD Models
TDK-Lambda Americas Inc MB1206 PCB symbols & footprints
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