7447789004 This is a 4.7 µH shielded drum core wirewound inductor from Würth Elektronik, rated at 2.9 A with a maximum DC resistance of 35 mOhm. It is AEC-Q200 qualified and designed for surface mount assembly.
Mfr Part #:

7447789004

Available from 4 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
This is a 4.7 µH shielded drum core wirewound inductor from Würth Elektronik, rated at 2.9 A with a maximum DC resistance of 35 mOhm. It is AEC-Q200 qualified and designed for surface mount assembly.
Total Stock: 3,548 pcs
$ Price Range: $1.29 - $2.51

7447789004 Available from 4 distributors

Authorised
Non-Authorised

7447789004 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Operating Voltage
Performance Rated Current
Rated Current IR
Ratings
Saturation Current (Typical @ |ΔL/L| < 10%)
Saturation Current (Typical @ |ΔL/L| < 30%)
Self Resonant Frequency
Shielding
Storage Conditions
Storage Temperature
Tape & Reel
Tolerance
Type
Width

7447789004 Description

Short technical summary and product information.

The Würth Elektronik 7447789004 is a shielded drum core wirewound inductor from the WE-PD series, offering a nominal inductance of 4.7 µH at 1 kHz/250 mV with a tolerance of ±20%.

 

It is rated for a continuous current of 2.9 A (ΔT = 40 K) and features a typical DC resistance of 33 mOhm (35 mOhm max). The inductor can handle a saturation current of 3.9 A typical at 10% inductance drop and 5.3 A typical at 30% drop. The self-resonant frequency is typically 45 MHz, and the maximum operating voltage is 120 V.

 

This component is qualified to AEC-Q200 Grade 1, making it suitable for automotive and high-reliability applications. It is RoHS, REACH, and Halogen Free compliant, and has an MSL of Level 1. The operating temperature range is -40°C to +125°C. The package is a nonstandard SMD shield size measuring 7.30 mm x 7.30 mm with a height of 3.50 mm.

7447789004 Quick Information

Product Type: Fixed Inductor
Series: WE-PD
Canonical Name: Wuerth Elektronik 7447789004 WE-PD Fixed Inductor 4.7 uH 2.9 A Shielded SMD
Subcategory: Shielded Drum Core Wirewound Inductor

7447789004 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 75
REACH Status: Conform or declared (EC)1907/2006
Lead Free: Yes

7447789004 Estimated Pricing

Qty Low High
1+ $2.51 $2.51
10+ $1.70 $1.70
50+ $1.60 $1.60
100+ $1.56 $1.56
250+ $1.55 $1.55
500+ $1.51 $1.51
1,000+ $1.29 $1.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

7447789004 Features

  • Shielded drum core wirewound construction.
  • AEC-Q200 Grade 1 qualified inductor.
  • 4.7 µH inductance with ±20% tolerance.
  • Rated current 2.9 A at 40°C rise.
  • DC resistance 35 mOhm maximum.

7447789004 Applications

  • Power supply filtering circuits.
  • DC-DC converter input/output filtering.
  • Automotive electronic control modules.
  • General purpose EMI suppression.

7447789004 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance value and tolerance of the 7447789004?

The inductance is 4.7 µH measured at 1 kHz and 250 mV, with a tolerance of ±20%.

What is the rated current and how is it defined?

The rated current is 2.9 A maximum, defined as the current causing a 40K temperature rise at the component (ΔT = 40 K).

What is the DC resistance of this inductor?

The DC resistance is 33 mOhm typical and 35 mOhm maximum at 20°C.

What is the self-resonant frequency?

The self-resonant frequency is 45 MHz typical.

What is the package size and mounting type?

The package is nonstandard surface mount with dimensions 7.30 mm length, 7.30 mm width, and 3.50 mm height.

What temperature range does this inductor support?

It operates from -40°C to +125°C.

Is this component qualified for automotive use?

Yes, it is AEC-Q200 rated.

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