Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
MMD-12EZ-2R2M-V1-RU
Mag Layers
FIXED IND 2.2UH 20A 5.5 MOHM SMD
3635 Pcs New Original In Stock
2.2 µH Shielded Molded Inductor 20 A 5.5mOhm Max Nonstandard
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (174 Ratings)
MMD-12EZ-2R2M-V1-RU
Product Overview
10159442
DiGi Electronics Part Number
MMD-12EZ-2R2M-V1-RU-DGManufacturer
Mag Layers
MMD-12EZ-2R2M-V1-RU
Description
FIXED IND 2.2UH 20A 5.5 MOHM SMDInventory
3635 Pcs New Original In Stock
2.2 µH Shielded Molded Inductor 20 A 5.5mOhm Max Nonstandard
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
MMD-12EZ-2R2M-V1-RU Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
MMD-12EZ-RU
Product Status
Active
Type
Molded
Material - Core
Metal
Inductance
2.2 µH
Tolerance
±20%
Current Rating (Amps)
20 A
Current - Saturation (Isat)
32A
Shielding
Shielded
DC Resistance (DCR)
5.5mOhm Max
Ratings
-
Operating Temperature
-55°C ~ 125°C
Inductance Frequency - Test
100 kHz
Features
-
Mounting Type
Surface Mount
Package / Case
Nonstandard
Supplier Device Package
-
Size / Dimension
0.520" L x 0.508" W (13.20mm x 12.90mm)
Height - Seated (Max)
0.197" (5.00mm)
Datasheet & Documents
HTML Datasheet
MMD-12EZ-2R2M-V1-RU-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH info available upon request
ECCN
EAR99
HTSUS
8504.50.4000
Additional Information
Other Names
2669-MMD-12EZ-2R2M-V1-RUTR
Standard Package
10
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Une entreprise fiable avec des prix très compétitifs et un service après-vente qui répond rapidement à toutes mes attentes.
Dec 02, 2025
DiGi Electronics consistently provides outstanding after-sales support at a great price.
Dec 02, 2025
Their eco-friendly packaging initiatives exemplify corporate social responsibility.
Dec 02, 2025
Consistently low prices make DiGi Electronics a smart choice for electronics enthusiasts.
Dec 02, 2025
Speedy shipping and responsive customer service created a great shopping experience.
Dec 02, 2025
DiGi Electronics has a fantastic track record of punctual deliveries, which I value highly.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the key thermal and layout considerations when using the MMD-12EZ-2R2M-V1-RU in a high-current DC-DC converter design to avoid localized heating and ensure long-term reliability?
The MMD-12EZ-2R2M-V1-RU, with its 20A current rating and 5.5mΩ DCR, generates significant I²R losses under load—approximately 2.2W at full load—requiring careful thermal management. Ensure adequate copper pour area on all layers connected to the pads, use thermal vias under the component to conduct heat to inner or bottom layers, and maintain clearance from temperature-sensitive components. Due to its metal composite core, the inductor has low core losses but high conduction loss; avoid placing it near ceramic capacitors or ICs sensitive to magnetic fields, even though it is shielded. Monitor hotspot temperatures in validation testing, especially in enclosed or high-ambient environments, as sustained operation near 125°C can accelerate solder joint fatigue despite the MSL 1 rating.
Can the MMD-12EZ-2R2M-V1-RU be safely replaced with a Bourns SRP1260A-2R2M or Vishay IHLP-5050FD-2R2M in a 48V to 12V, 20A buck converter without redesigning the PCB or control loop?
Direct replacement of the MMD-12EZ-2R2M-V1-RU with the Bourns SRP1260A-2R2M or Vishay IHLP-5050FD-2R2M is not recommended without re-evaluation. While all three are 2.2µH shielded molded inductors rated for ~20A, the Bourns part has a higher DCR (6.8mΩ vs. 5.5mΩ), increasing conduction losses by ~24%, which may push thermal limits. The Vishay IHLP-5050FD-2R2M has similar DCR but a different footprint (12.7mm x 12.7mm vs. 13.2mm x 12.9mm), risking solder joint stress or misalignment. Additionally, saturation characteristics differ: the MMD-12EZ-2R2M-V1-RU saturates at 32A, while the Vishay part saturates at ~28A—potentially causing premature current limiting under transient loads. Always validate efficiency, thermal performance, and loop stability before substitution.
How does the ±20% inductance tolerance of the MMD-12EZ-2R2M-V1-RU affect switching frequency stability and output voltage ripple in a voltage-mode controlled buck converter, and what design mitigations are needed?
The ±20% tolerance on the MMD-12EZ-2R2M-V1-RU means actual inductance can range from 1.76µH to 2.64µH, directly impacting ripple current (ΔIL ∝ 1/L) and potentially shifting the converter’s effective switching dynamics. In voltage-mode control, this variation can alter crossover frequency and phase margin, risking instability if the compensation network is tightly tuned. To mitigate, design the control loop with sufficient gain and phase margin across the full inductance range, and consider using current-mode control if tight ripple regulation is critical. Additionally, oversize the output capacitor bank to handle worst-case increased ripple current (up to ~25% higher at 1.76µH), and validate transient response across multiple units to ensure consistent performance despite tolerance spread.
Is the MMD-12EZ-2R2M-V1-RU suitable for automotive 12V battery input applications with load-dump transients up to 40V, and what derating or protection strategies should be applied?
The MMD-12EZ-2R2M-V1-RU is not inherently rated for automotive load-dump conditions despite its wide -55°C to 125°C operating range. Its voltage rating is unspecified in the datasheet, but typical molded inductors like this are limited to ~50V DC. In a 12V system exposed to 40V transients (e.g., ISO 7637-2), the inductor itself may survive, but sustained overvoltage can stress downstream components. Use input TVS diodes or clamp circuits to limit voltage spikes, and derate the current by 20–30% if operating near thermal limits in under-hood environments. Also, verify mechanical robustness—vibration and thermal cycling in automotive settings can fatigue solder joints over time, so consider conformal coating and strain relief in layout.
What are the risks of using the MMD-12EZ-2R2M-V1-RU in a multi-phase interleaved converter where current sharing depends on precise inductance matching, and how can imbalance be minimized?
In multi-phase designs, the ±20% tolerance of the MMD-12EZ-2R2M-V1-RU can lead to significant current imbalance between phases—up to 30% deviation in worst-case scenarios—reducing efficiency and increasing thermal stress on the higher-loaded phase. This is especially critical in 2- or 4-phase buck converters for CPUs or GPUs where dynamic response relies on balanced ripple cancellation. To minimize risk, bin inductors by measured inductance (e.g., select units within ±5%) or use active current-sharing techniques with per-phase current sensing and feedback. Alternatively, oversize each phase’s current rating to tolerate imbalance, or consider inductors with tighter tolerance (e.g., ±10%) if available. Always prototype with mixed units to validate thermal and electrical symmetry under transient loads.
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.
MMD-12EZ-2R2M-V1-RU CAD Models
Mag Layers MMD-12EZ-2R2M-V1-RU PCB symbols & footprints
productDetail
