74479787247A The Würth Elektronik 74479787247A is a power multilayer inductor with 4.7 µH inductance, rated current of 1 A, and low DCR of 110 mΩ. It comes in a 1008 SMD package and is RoHS compliant.
Mfr Part #:

74479787247A

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The Würth Elektronik 74479787247A is a power multilayer inductor with 4.7 µH inductance, rated current of 1 A, and low DCR of 110 mΩ. It comes in a 1008 SMD package and is RoHS compliant.
Total Stock: 3,000 pcs

74479787247A Available from 1 distributor

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74479787247A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
DC Resistance
Halogen Free
Inductance
Mounting Type
Operating Temperature
Q Factor
Rated Current (Typical @ ΔT = 20 K)
Rated Current (Typical @ ΔT=40 K)
Saturation Current
Self Resonant Frequency
Termination Style

74479787247A Description

Short technical summary and product information.

The Würth Elektronik 74479787247A is a power multilayer inductor from the WE-PMI series. It offers 4.7 µH inductance with ±20% tolerance, measured at 1 MHz and 5 mA. The component is designed for surface mount assembly in a 1008 package.

 

Key electrical characteristics include a rated current of 1 A for a temperature rise of 20 K and 1.5 A for 40 K rise. Saturation current is 270 mA typical. DC resistance is 110 mΩ ±25% with a maximum of 137.5 mΩ. Self-resonant frequency is at least 25 MHz, and Q-factor is minimum 32 at 1 MHz.

 

The operating temperature range is -40°C to +125°C. It is RoHS compliant, REACH conform, and halogen free. Moisture sensitivity level is MSL 1 (unlimited). The WE-PMI series is designed for power applications requiring low core losses and high current handling. The multilayer construction provides excellent EMI suppression and compact size.

74479787247A Quick Information

Product Type: Power Multilayer Inductor
Series: WE-PMI
Canonical Name: Power Multilayer Inductor 4.7 µH
Subcategory: Power Multilayer Inductor

74479787247A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: Conform or declared

74479787247A Features

  • 4.7 µH inductance with ±20% tolerance.
  • Rated current 1 A at 20 K rise.
  • Low DC resistance of 110 mΩ.
  • Self-resonant frequency over 25 MHz.
  • RoHS compliant and halogen free.

74479787247A Applications

  • Power supply filtering circuits.
  • DC-DC converter output inductor.
  • EMI suppression in power lines.
  • Portable electronic devices.

74479787247A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 74479787247A?

4.7 µH ±20% at 1 MHz, 5 mA.

What is the rated current?

1 A (ΔT=20 K) and 1.5 A (ΔT=40 K).

What is the DC resistance?

110 mΩ typical, maximum 137.5 mΩ.

What is the self-resonant frequency?

Minimum 25 MHz.

What is the package size?

1008 surface mount package.

What is the operating temperature range?

-40°C to +125°C.

What is the saturation current?

270 mA typical (|ΔL/L| < 30%).

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