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74477520 Würth Elektronik 74477520 is a fixed inductor with 100µH inductance, 770mA rated current, and 430mΩ maximum DC resistance. It is surface mount unshielded with ferrite core.
Mfr Part #:

74477520

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Würth Elektronik 74477520 is a fixed inductor with 100µH inductance, 770mA rated current, and 430mΩ maximum DC resistance. It is surface mount unshielded with ferrite core.
✓ Total Stock: 9,209 pcs

74477520 Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Partservice ✓
Non-Authorised Inventory information
7,709 pcs
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7709 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
1,500 pcs
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1500 pcs On Request 1 On Request On Request On Request On Request On Request
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74477520 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Operating Voltage
Shielding
Storage Conditions
Tolerance
Type
Width
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74477520 Description

Short technical summary and product information.

The Würth Elektronik 74477520 is a WE-PD2 series SMT power inductor designed for general electronic equipment. It has an inductance of 100 µH ±10% measured at 10 kHz/100 mV. The rated current is 0.77 A maximum (ΔT = 40 K), with a saturation current of 0.86 A typical. DC resistance is 0.208 Ω typical and 0.43 Ω maximum. The self-resonant frequency is 8 MHz typical. Operating voltage is up to 120 V DC. The inductor operates over -40°C to +125°C and is stored below 40°C and 75% RH. The unshielded ferrite core is housed in a nonstandard SMD package measuring 7.8 mm x 7.0 mm x 4.95 mm. It is compliant with RoHS, REACH, and halogen-free requirements, with MSL 1.

74477520 Quick Information

Product Type: Power Inductor
Series: WE-PD2
Canonical Name: Würth Elektronik 74477520 WE-PD2 SMT Power Inductor
Subcategory: Power Inductor

74477520 Compliance

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

74477520 Features

  • Inductance 100 µH at 10 kHz/100 mV.
  • Rated current 770 mA with 40 K rise.
  • Maximum DC resistance of 430 mΩ.
  • Self-resonant frequency of 8 MHz.
  • Unshielded ferrite core construction.

74477520 Applications

  • Suitable for DC-DC converter filtering.
  • Used in power supply noise suppression.
  • Ideal for low-profile SMD power designs.
  • Applicable in automotive electronics up to 125°C.

74477520 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 74477520?

100 µH ±10% at 10 kHz/100 mV.

What is the rated current?

0.77 A maximum (ΔT = 40 K).

What is the DC resistance?

Typical 0.208 Ω, maximum 0.43 Ω.

What is the self-resonant frequency?

8 MHz typical.

What is the package size?

7.8 mm x 7.0 mm x 4.95 mm nonstandard SMD package.

What is the operating temperature range?

-40°C to +125°C.

Is the inductor RoHS compliant?

Yes, compliant with 2011/65/EU & 2015/863.

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