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CLF7045T-151M-H
TDK Corporation
FIXED IND 150UH 670MA 480MOHM SM
2338 Pcs New Original In Stock
150 µH Shielded Drum Core, Wirewound Inductor 670 mA 480mOhm Nonstandard
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5.0 / 5.0
- (253 Ratings)
CLF7045T-151M-H
Product Overview
6563243
DiGi Electronics Part Number
CLF7045T-151M-H-DGManufacturer
TDK Corporation
CLF7045T-151M-H
Description
FIXED IND 150UH 670MA 480MOHM SMInventory
2338 Pcs New Original In Stock
150 µH Shielded Drum Core, Wirewound Inductor 670 mA 480mOhm Nonstandard
Quantity
Minimum 1
Minimum 1
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CLF7045T-151M-H Technical Specifications
Category
Fixed Inductors
Packaging
Tape & Reel (TR)
Series
CLF-H
Product Status
Not For New Designs
Type
Drum Core, Wirewound
Material - Core
Ferrite
Inductance
150 µH
Tolerance
±20%
Current Rating (Amps)
670 mA
Current - Saturation (Isat)
610mA
Shielding
Shielded
DC Resistance (DCR)
480mOhm
Q @ Freq
-
Frequency - Self Resonant
-
Ratings
-
Operating Temperature
-40°C ~ 125°C
Inductance Frequency - Test
100 kHz
Mounting Type
Surface Mount
Package / Case
Nonstandard
Size / Dimension
0.283" L x 0.272" W (7.20mm x 6.90mm)
Height - Seated (Max)
0.177" (4.50mm)
Datasheet & Documents
HTML Datasheet
CLF7045T-151M-H-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
445-9547-2
445-9547-1
CLF7045T151MH
445-9547-6
Standard Package
1,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
December 02, 2025
La rapidité d’exécution des commandes chez DiGi Electronics est un vrai atout pour notre institution.
December 02, 2025
Des prix imbattables et un service client irréprochable : c'est ce qui me fait revenir chez eux.
December 02, 2025
Je suis très satisfait de leur politique tarifaire claire et de leur soutien post-achat.
December 02, 2025
Une entreprise digne de confiance avec un personnel extrêmement courtois.
December 02, 2025
Je peux toujours compter sur DiGi Electronics pour une livraison à l'heure et des emballages fiables.
December 02, 2025
Every order from DiGi Electronics arrives well-packed and in perfect working condition.
December 02, 2025
Even with their affordable prices, their after-sales service meets high standards of professionalism.
December 02, 2025
The product arrived promptly and in pristine condition thanks to secure packaging.
December 02, 2025
The long-lasting quality of their products ensures cost-effective repairs over time.
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Frequently Asked Questions (FAQ)
Can I use the CLF7045T-151M-H in a new design given its 'Not For New Designs' status, and what risks should I consider for long-term availability?
While the CLF7045T-151M-H is marked 'Not For New Designs,' it may still be used if you have existing inventory or a legacy design. However, relying on it for new products carries supply chain risks due to probable end-of-life or discontinuation. For long-term reliability and support, consider redesigning with a recommended alternative like the CLF7045NIT-151M-D, which offers similar electrical specs but is actively supported. Always verify current lifecycle status with TDK and evaluate obsolescence risk in high-volume or long-lifecycle applications.
How does the DC resistance of 480mΩ in the CLF7045T-151M-H impact efficiency in a battery-powered DC-DC converter at 670mA load?
The 480mΩ DCR of the CLF7045T-151M-H results in a conduction loss of approximately 217mW at 670mA (P = I²R), which can significantly affect efficiency in battery-powered systems. At light to medium loads, this loss reduces runtime—especially in portable or IoT devices. Designers should compare this with lower-DCR inductors such as the CLF7045NIT-151M-D (450mΩ) and ensure thermal performance under sustained load, particularly in enclosed or high-temperature environments.
What derating should be applied to the CLF7045T-151M-H when operating near its saturation current of 610mA in a buck converter with transient loads?
To avoid inductance drop and core saturation during transient spikes, it's recommended to derate the CLF7045T-151M-H by at least 20–25% below its 610mA Isat, targeting a peak operating current of ~480–500mA. Operating close to saturation increases core losses, temperature rise, and risks converter instability. For applications with frequent transients, consider a higher-I<sub>sat</sub> alternative like the 46154C (700mA Isat) or add current limiting and thermal monitoring to mitigate failure risks.
Is the CLF7045T-151M-H suitable for high-frequency switching applications like a 500kHz buck regulator, and how does its ferrite core perform beyond 100kHz?
The CLF7045T-151M-H is characterized at 100kHz, and while its ferrite core provides good performance up to ~1MHz, core losses (hysteresis and eddy current) increase significantly above 300kHz. In a 500kHz buck converter, this leads to higher temperature rise and reduced efficiency. Without a published self-resonant frequency or Q factor, you risk operating near parasitic resonance. Use with caution—prefer inductors specified for >500kHz operation, such as the CLF7045NIT-151M-D, which has improved high-frequency performance for modern SMPS designs.
How does the nonstandard package size of the CLF7045T-151M-H affect PCB layout and reflow soldering compared to standard inductors like the 7.0x7.0mm footprint?
The CLF7045T-151M-H measures 7.20mm x 6.90mm, which is slightly larger than standard 7.0x7.0mm SMD inductors, potentially causing footprint incompatibility. This deviation can lead to solder joint stress or misalignment during reflow. Always use the exact TDK-recommended land pattern, ensure adequate solder mask relief, and check stencil design for consistent paste deposition. Verify compatibility with pick-and-place machines and avoid mixing with similar-sized parts (e.g., 46154C) without revalidating assembly processes.
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.
CLF7045T-151M-H CAD Models
TDK Corporation CLF7045T-151M-H PCB symbols & footprints
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