SPM3020T-4R7M-LR The TDK SPM3020T-4R7M-LR is a shielded, surface-mount fixed inductor with a 4.7 µH inductance and a 1.9 A current rating. It features a drum core construction and operates within a -40°C to 125°C temperature range.
Mfr Part #:

SPM3020T-4R7M-LR

Available from 3 distributors
Mfr Name: TDK Corporation
TDK Corporation
The TDK SPM3020T-4R7M-LR is a shielded, surface-mount fixed inductor with a 4.7 µH inductance and a 1.9 A current rating. It features a drum core construction and operates within a -40°C to 125°C temperature range.
Total Stock: 10,940 pcs
$ Price Range: $0.18

SPM3020T-4R7M-LR Available from 3 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
10,000 pcs
10000 pcs On Request 1 On Request On Request 2021+ On Request On Request
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472 pcs
472 pcs On Request 1 On Request On Request On Request On Request On Request
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468 pcs
468 pcs On Request 1 On Request On Request On Request On Request On Request

SPM3020T-4R7M-LR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Core Material
Current
Current Rating (Amps)
DC Resistance (DCR)
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Saturation Current
Shielding
Test Frequency
Tolerance
Type
Width

SPM3020T-4R7M-LR Description

Short technical summary and product information.

The TDK SPM3020T-4R7M-LR is a fixed inductor designed for various electronic applications requiring stable energy supply and noise suppression. It features a drum core, wirewound construction and is shielded for reduced electromagnetic interference.

 

Key electrical specifications include an inductance of 4.7 µH with a tolerance of ±20%, a current rating of 1.9 A, and a DC resistance (DCR) of 174.5 mOhm maximum. The component is rated for a saturation current of 2.9 A and operates at a test frequency of 100 kHz. Its operating temperature range is from -40°C to 125°C.

 

This inductor is designed for surface mounting, with dimensions of 3.20mm L x 3.00mm W and a height of 2.00mm. The SPM3020T-4R7M-LR is RoHS3 compliant and has an MSL rating of 1.

 

Common applications include power supply circuits, DC-DC converters, voltage regulators, and power inverters where noise suppression and stable energy supply are critical. It is suitable for high-frequency noise suppression in automotive electronics, industrial systems, and communication devices.

SPM3020T-4R7M-LR Quick Information

Product Type: Fixed Inductor
Series: SPM-LR
Canonical Name: TDK SPM3020T-4R7M-LR Fixed Inductor
Subcategory: Fixed Inductor

SPM3020T-4R7M-LR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SPM3020T-4R7M-LR Estimated Pricing

Qty Low High
1+ $0.18 $0.18

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

SPM3020T-4R7M-LR Features

  • Shielded drum core wirewound inductor.
  • 4.7 µH inductance with ±20% tolerance.
  • Rated for 1.9 A current.
  • Low 174.5 mOhm maximum DCR.
  • Surface mountable for compact designs.

SPM3020T-4R7M-LR Applications

  • Used in DC-DC converter circuits.
  • Suitable for voltage regulator applications.
  • Effective in power inverter filtering.
  • Ideal for noise suppression tasks.
  • Applied in automotive electronics.

SPM3020T-4R7M-LR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the SPM3020T-4R7M-LR?

The inductance of the SPM3020T-4R7M-LR is 4.7 µH.

What is the current rating for the SPM3020T-4R7M-LR?

The current rating for the SPM3020T-4R7M-LR is 1.9 A.

What is the DC Resistance (DCR) of this inductor?

The DC Resistance (DCR) of the SPM3020T-4R7M-LR is a maximum of 174.5 mOhm.

What is the operating temperature range for the SPM3020T-4R7M-LR?

The operating temperature range for the SPM3020T-4R7M-LR is -40°C to 125°C.

How is the SPM3020T-4R7M-LR mounted?

The SPM3020T-4R7M-LR is designed for surface mounting.

What are the typical applications for the SPM3020T-4R7M-LR?

The SPM3020T-4R7M-LR is commonly used in power supply circuits, particularly in filtering applications. It can be used for DC-DC converters, voltage regulators, and power inverters where noise suppression and stable energy supply are critical. This product is designed to handle high-frequency noise suppression in applications like automotive electronics, industrial systems, and communication devices.

What are the environmental considerations for the SPM3020T-4R7M-LR?

The SPM3020T-4R7M-LR should be stored and used in environments with controlled humidity and temperature. It is typically rated for a standard operating temperature range, and exposure to extreme temperatures can affect its performance and lifespan. The product is also sensitive to high levels of moisture, so proper sealing or storage in a dry environment is recommended to avoid damage. Additionally, it is important to follow the manufacturer's guidelines to avoid exposing the component to chemicals or corrosives.

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