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MLG1005S43NJT000
TDK Corporation
FIXED IND 43NH 250MA 1.1 OHM SMD
10412 Pcs New Original In Stock
43 nH Unshielded Multilayer Inductor 250 mA 1.1Ohm Max 0402 (1005 Metric)
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5.0 / 5.0
- (292 Ratings)
MLG1005S43NJT000
Product Overview
6642817
DiGi Electronics Part Number
MLG1005S43NJT000-DGManufacturer
TDK Corporation
MLG1005S43NJT000
Description
FIXED IND 43NH 250MA 1.1 OHM SMDInventory
10412 Pcs New Original In Stock
43 nH Unshielded Multilayer Inductor 250 mA 1.1Ohm Max 0402 (1005 Metric)
Quantity
Minimum 1
Minimum 1
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MLG1005S43NJT000 Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
MLG
Product Status
Active
Type
Multilayer
Material - Core
Ceramic, Non-Magnetic
Inductance
43 nH
Tolerance
±5%
Current Rating (Amps)
250 mA
Current - Saturation (Isat)
-
Shielding
Unshielded
DC Resistance (DCR)
1.1Ohm Max
Q @ Freq
8 @ 100MHz
Frequency - Self Resonant
1.2GHz
Ratings
-
Operating Temperature
-55°C ~ 125°C
Inductance Frequency - Test
100 MHz
Mounting Type
Surface Mount
Package / Case
0402 (1005 Metric)
Supplier Device Package
0402 (1005 Metric)
Size / Dimension
0.039" L x 0.020" W (1.00mm x 0.50mm)
Height - Seated (Max)
0.022" (0.55mm)
Datasheet & Documents
HTML Datasheet
MLG1005S43NJT000-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8504.50.8000
Additional Information
Other Names
445-6314-6
MLG1005S43NJ
445-6314-2
445-6314-1
Standard Package
10,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Very satisfied with how quickly my order was shipped and how securely it was packaged.
Dec 02, 2025
Consistently affordable, with logistics that go above and beyond my expectations.
Dec 02, 2025
Customer service was proactive and attentive, making me feel prioritized throughout my shopping journey.
Dec 02, 2025
Di Digi Electronics provides excellent support and high-quality offerings that keep me coming back.
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Frequently Asked Questions (FAQ)
When integrating the TDK MLG1005S43NJT000 into a sensitive RF front-end, what potential EMI risks arise from its unshielded multilayer construction, and how can these be mitigated?
The unshielded nature of the TDK MLG1005S43NJT000, while offering benefits in certain applications, can introduce electromagnetic interference (EMI) in sensitive RF circuits. To mitigate this, consider careful PCB layout with generous ground planes surrounding the inductor, as well as shielding enclosures for the entire RF section. Placing decoupling capacitors close to the MLG1005S43NJT000 can also help suppress unwanted emissions. Ensure proper impedance matching to minimize signal reflections that could exacerbate EMI issues.
Given the 1.1 Ohm maximum DCR of the TDK MLG1005S43NJT000, what is the acceptable ripple current limit in a DC-DC converter output filter to prevent excessive power dissipation and thermal runaway?
The 1.1 Ohm maximum DCR of the TDK MLG1005S43NJT000 is a critical parameter for power dissipation. To prevent excessive heating, the RMS ripple current should be carefully calculated to ensure the power loss (I_ripple_rms^2 * DCR) remains well within the thermal limits of the component and surrounding PCB. As a rule of thumb, aim to keep the power dissipation below 100-150 mW for the MLG1005S43NJT000 to maintain a safe operating margin and avoid thermal runaway in demanding DC-DC converter applications.
In a high-frequency impedance matching network, how does the self-resonant frequency (SRF) of the TDK MLG1005S43NJT000 at 1.2 GHz affect its effective inductance, and what are the implications for matching accuracy?
The 1.2 GHz self-resonant frequency (SRF) of the TDK MLG1005S43NJT000 signifies the point where its parasitic capacitance resonates with its inductance, causing its impedance to become purely resistive. Below the SRF, the MLG1005S43NJT000 behaves inductively, but as you approach and exceed the SRF, its impedance drastically changes, and it no longer acts as a predictable inductor. For accurate impedance matching, especially in RF circuits operating near or above 1 GHz, ensure your circuit's operating frequency is well below the SRF of the MLG1005S43NJT000 to maintain its intended inductive behavior and avoid matching errors.
If I need to replace a similar inductor like the Murata LQW15AN43NJ00D in an existing design with the TDK MLG1005S43NJT000, what critical performance trade-offs should I consider beyond basic inductance and size?
While both the TDK MLG1005S43NJT000 and the Murata LQW15AN43NJ00D offer 43 nH, direct replacement requires careful consideration of their performance envelopes. The MLG1005S43NJT000 has a significantly higher Q factor (8 @ 100MHz vs. typically lower for many LQW series) which can improve RF signal integrity. However, its DCR of 1.1 Ohm max is higher than some LQW parts, which might increase power loss in certain DC applications. Also, compare their current ratings and SRFs to ensure they meet the original design's requirements, as these can subtly impact performance and stability.
Under extreme operating temperatures (-55°C to 125°C), how might the inductance tolerance of ±5% for the TDK MLG1005S43NJT000 deviate, and what are the potential consequences for precision analog filtering applications?
The ±5% inductance tolerance of the TDK MLG1005S43NJT000 is specified at room temperature. At the extreme ends of its operating temperature range (-55°C to 125°C), the effective inductance can drift due to material properties. For precision analog filtering, this drift can alter the filter's cutoff frequency or resonance point, leading to signal distortion or unwanted attenuation. To mitigate this risk, consider designing with a wider guard band in your filter calculations or using temperature-compensated inductor series if absolute precision across the entire temperature range is paramount for the MLG1005S43NJT000's application.
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.
MLG1005S43NJT000 CAD Models
TDK Corporation MLG1005S43NJT000 PCB symbols & footprints
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