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MLF1608DR12KTA00
TDK Corporation
FIXED IND 120NH 200MA 400MOHM SM
129030 Pcs New Original In Stock
120 nH Shielded Multilayer Inductor 200 mA 400mOhm Max 0603 (1608 Metric)
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5.0 / 5.0
- (159 Ratings)
MLF1608DR12KTA00
Product Overview
6636998
DiGi Electronics Part Number
MLF1608DR12KTA00-DGManufacturer
TDK Corporation
MLF1608DR12KTA00
Description
FIXED IND 120NH 200MA 400MOHM SMInventory
129030 Pcs New Original In Stock
120 nH Shielded Multilayer Inductor 200 mA 400mOhm Max 0603 (1608 Metric)
Quantity
Minimum 1
Minimum 1
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MLF1608DR12KTA00 Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
MLF
Product Status
Active
Type
Multilayer
Material - Core
Ferrite
Inductance
120 nH
Tolerance
±10%
Current Rating (Amps)
200 mA
Current - Saturation (Isat)
-
Shielding
Shielded
DC Resistance (DCR)
400mOhm Max
Q @ Freq
15 @ 25MHz
Frequency - Self Resonant
400MHz
Ratings
-
Operating Temperature
-40°C ~ 85°C
Inductance Frequency - Test
25 MHz
Mounting Type
Surface Mount
Package / Case
0603 (1608 Metric)
Supplier Device Package
0603 (1608 Metric)
Size / Dimension
0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)
0.037" (0.95mm)
Datasheet & Documents
HTML Datasheet
MLF1608DR12KTA00-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
445-1004-2
445-1004-6
MLF1608DR12K
445-1004-1
Standard Package
4,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
カート機能やお気に入り保存など、便利な機能が充実していて助かりました。
грудня 02, 2025
配送追跡の情報が充実していて、大変助かりました。
грудня 02, 2025
DiGi Electronics’ focus on logistics excellence guarantees prompt support delivery.
грудня 02, 2025
I love how transparent their pricing is—it helps me shop with confidence.
грудня 02, 2025
Their reliability has minimized our downtime, significantly improving our productivity.
грудня 02, 2025
The delivery was fast, and the customer support team was very patient and professional.
грудня 02, 2025
I appreciate the affordable pricing that DiGi Electronics consistently offers, which helps me stay within my budget.
грудня 02, 2025
Their friendly and professional team makes every experience enjoyable.
грудня 02, 2025
Their fast shipping ensures I get what I need without delays.
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Frequently Asked Questions (FAQ)
Can the MLF1608DR12KTA00 be used as a drop-in replacement for the Murata LQP18FN12NJ00D in a 2.4GHz RF matching network, and what layout considerations should I account for?
While both the MLF1608DR12KTA00 (TDK) and LQP18FN12NJ00D (Murata) offer 120 nH inductance in 0603 packages, direct substitution requires caution due to differences in Q-factor, self-resonant frequency (SRF), and parasitic behavior. The MLF1608DR12KTA00 has an SRF of 400 MHz and Q of 15 @ 25 MHz, whereas the Murata part typically exhibits higher Q and SRF above 1 GHz—critical for 2.4 GHz applications. At 2.4 GHz, the TDK inductor may operate near or beyond its SRF, causing capacitive behavior and degrading matching performance. If substitution is necessary, re-tune the matching network using a VNA and verify impedance stability across temperature. Prefer inductors with SRF >3× your operating frequency; consider upgrading to a high-frequency series like TDK’s MLG instead.
What are the risks of using the MLF1608DR12KTA00 in a high-di/dt switching node of a 500 kHz buck converter, and how does its saturation current limitation affect reliability?
The MLF1608DR12KTA00 is not rated for saturation current (Isat), which poses a significant risk in power applications like buck converters. Although its nominal current rating is 200 mA, ferrite-core multilayer inductors like this one can experience sharp inductance drop under DC bias—often losing 20–30% of inductance at just 50–70% of rated current. In a 500 kHz buck converter, even brief current spikes can push the core into partial saturation, increasing ripple, reducing efficiency, and causing thermal stress. For reliable operation, derate the current to ≤120 mA and validate inductance under actual DC bias using a B-H analyzer or manufacturer’s DC bias curves (if available). Consider switching to a molded or wirewound power inductor like TDK’s VLS2010 series with explicit Isat ratings for such applications.
How does the DC resistance (DCR) of the MLF1608DR12KTA00 impact thermal performance in a compact IoT device with limited airflow, and what PCB design strategies can mitigate heating?
With a maximum DCR of 400 mΩ, the MLF1608DR12KTA00 dissipates approximately 16 mW at its full 200 mA rating (P = I²R = 0.2² × 0.4). While seemingly low, this power loss can cause localized heating in densely packed IoT PCBs with poor thermal dissipation. In enclosed or high-ambient-temperature environments (approaching 85°C), this may push the inductor beyond its operational limits or affect nearby sensitive components. To mitigate risk, ensure adequate copper pour around the pads for heat spreading, avoid placing thermal vias directly under the component (which can wick solder), and monitor surface temperature during burn-in testing. If thermal rise exceeds 15°C above ambient, consider paralleling with a second MLF1608DR12KTA00 or selecting a lower-DCR alternative such as the Taiyo Yuden NR3012T120M.
Is the MLF1608DR12KTA00 suitable for use in automotive-grade EMI filtering circuits operating at 125°C, given its specified -40°C to 85°C operating range?
No, the MLF1608DR12KTA00 is not suitable for automotive under-hood or high-temperature zones requiring 125°C operation, as its maximum rated temperature is 85°C. Exceeding this limit risks core material degradation, increased DCR, inductance drift, and potential mechanical failure due to CTE mismatch. Automotive EMI filters often require AEC-Q200 qualified components with extended temperature ranges. For such applications, consider TDK’s MLF-H series (e.g., MLF1608DR12KTA10) or Vishay’s IHLP-0603 series, which are rated up to 125°C or higher and meet AEC-Q200 standards. Always verify full-temperature performance with vendor-provided derating curves before design-in.
When replacing a failed 120 nH inductor in a 5G mmWave front-end module, why might the MLF1608DR12KTA00 cause signal integrity issues despite matching nominal inductance?
The MLF1608DR12KTA00’s self-resonant frequency of 400 MHz makes it fundamentally unsuitable for 5G mmWave applications (typically 24–40 GHz), where even small parasitic capacitance can detune critical impedance-matching networks. At mmWave frequencies, the inductor behaves capacitively, disrupting phase coherence and introducing insertion loss. Additionally, its multilayer ferrite construction exhibits higher dielectric losses and less predictable high-frequency behavior compared to air-core or thin-film inductors. For mmWave designs, use specialized high-SRF inductors like the Coilcraft 0201DS series (SRF >8 GHz) or TDK’s MLG series optimized for RF. Always simulate S-parameters up to 3× your carrier frequency and validate with on-wafer probing if possible—never assume equivalence based on low-frequency L-value alone.
Quality Assurance (QC)
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MLF1608DR12KTA00 CAD Models
TDK Corporation MLF1608DR12KTA00 PCB symbols & footprints
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