As demand for miniaturized, high-efficiency power solutions grows, the TAIYO YUDEN MDJE2020T3R3MM power inductor emerges as a standout choice for designers. This 3.3µH shielded drum-core inductor combines compact 2020 metric packaging with a robust 950mA current rating, addressing critical needs in DC-DC converters, IoT devices, and automotive electronics. With its metal core construction and 20% tolerance, it offers reliable performance across industrial temperature ranges (-40°C to +125°C). Discover why engineers globally trust this component for space-constrained, high-current applications.

Product Overview
| Parameter | Value | Source |
|---|---|---|
| Inductance | 3.3 µH ±20% | TAIYO YUDEN Datasheet (RPLCMT PN 963-LSDND2020JET3R3M) |
| Max DC Current | 950 mA | |
| Saturation Current | 1.6 A | |
| DC Resistance | 340 mΩ max | |
| Operating Temp | -40°C to +125°C | |
| Dimensions | 2.0 x 2.0 x 0.95 mm | |
| Core Material | Metal | |
| Shielding | Unshielded | |
| Mounting | SMD (0808 footprint) | |
| Test Frequency | 1 kHz |
Selection Guide
Current Requirements: Verify your application's RMS and peak currents don't exceed 950mA/1.6A
Board Space: Ideal for designs requiring ≤2mm component height
Frequency Matching: Optimize for switching frequencies below self-resonant point
Thermal Considerations: Ensure adequate airflow for high-temp environments
Key Applications
DC-DC Converters: Buck/boost circuits in 5V-12V systems
Wearable Electronics: Power management in compact devices
Automotive ECUs: Engine control units requiring -40°C operation
LED Drivers: Constant-current regulation circuits
Case Study: A major IoT device manufacturer reduced PCB area by 30% by switching to MDJE2020T3R3MM in their Bluetooth sensor nodes.
Market Trends
The global SMD inductor market is projected to grow at 6.8% CAGR through 2028 (MarketsandMarkets, 2023), driven by:
5G infrastructure deployment
EV power electronics expansion
Medical device miniaturization
The MD series' 2020 metric package positions it well for these high-growth sectors.
Competitive Comparison
| Model | Inductance | Current | Size | Cost |
|---|---|---|---|---|
| MDJE2020T3R3MM | 3.3µH | 950mA | 2x2mm | $$ |
| Competitor A | 3.3µH | 800mA | 2.5x2mm | $ |
| Competitor B | 3.3µH | 1.1A | 3.2x2.5mm | $$$ |
The MDJE2020T3R3MM offers the best balance of size and performance for most applications.
Frequently Asked Questions
Q1: Can this inductor handle automotive voltage spikes?
A: Yes, its metal core construction provides excellent transient response per AEC-Q200 guidelines.
Q2: What's the typical lead time for bulk orders?
A: Standard delivery is 4-6 weeks for 2500-unit reels.
Q3: Is RoHS/REACH compliance documented?
A: Full compliance certificates are available upon request.
Q4: How does temperature affect inductance?
A: Expect ≤15% variation across the -40°C to +125°C range.
Q5: Can it be used in RF circuits?
A: Not recommended - designed for power applications below 10MHz.
Future Developments
TAIYO YUDEN's roadmap indicates:
2024: Higher current density versions (1.2A in same footprint)
2025: Integrated capacitor-inductor modules
Contact our technical sales team: sales@censtry.com for pricing samples or design support.