Mfr Part #:

SRP4020-1R0M

Mfr Name: Bourns

The Bourns SRP4020-1R0M is a shielded power inductor with 1µH inductance and a 5A current rating. It features a low DCR of 21.6mΩ and a compact surface mount package.

✓ Total Stock: 11 pcs

$ Price Range: $0.52

SRP4020-1R0M Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Bristol Electronics ✓ Non-Authorised Inventory information	11 pcs On Request	11 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

SRP4020-1R0M Description

Short technical summary and product information.

The Bourns SRP4020-1R0M is a shielded power inductor from the SRP4020 series, designed for demanding applications. It offers an inductance value of 1µH with a tolerance of ±20% and a rated current of 5A (Irms).

This inductor features a low DC resistance (DCR) of 21.6mΩ maximum, ensuring efficient power delivery. Its shielded construction minimizes electromagnetic interference, making it suitable for DC/DC converters and power supplies in portable communications equipment, laptop computers, camcorders, HDTVs, car audio systems, and video game consoles.

The component has a compact footprint with dimensions of 4.80mm L x 4.00mm W and a low profile height of 2.00mm. It is designed for surface mounting and operates within a temperature range of -55°C to +125°C. The inductor is constructed with an iron core and enameled copper wire, terminated with Cu/Sn.

This part is supplied in a standard package of 2000 pieces per 13-inch reel, suitable for automated assembly processes.

SRP4020-1R0M Quick Information

Product Type: Fixed Inductor

Series: SRP4020

Canonical Name: Bourns SRP4020 Series Shielded Power Inductor

Subcategory: Shielded Power Inductor

SRP4020-1R0M Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

SRP4020-1R0M Estimated Pricing

Qty	Low	High
1+	$0.52	$0.52

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

SRP4020-1R0M Features

Shielded construction for reduced EMI.
1µH inductance with ±20% tolerance.
Rated for 5A Irms current.
Low 21.6mΩ maximum DCR.
Compact 4.80mm x 4.00mm SMD package.

SRP4020-1R0M Applications

Ideal for DC/DC converters.
Suitable for portable electronics power.
Used in laptop computer power supplies.
Applicable to HDTV and car audio systems.
Designed for video game console power.

SRP4020-1R0M FAQs

6 frequently asked questions generated from this part’s specifications.

What is the inductance of the SRP4020-1R0M?

The inductance is 1 µH ±20 % at 100 KHz.

What is the rated current for the SRP4020-1R0M?

The rated current is 5 A (Irms) and 6 A (Isat).

What is the maximum DC resistance (DCR) of this inductor?

The maximum DC resistance is 21.6 mΩ.

What is the operating temperature range for the SRP4020-1R0M?

The operating temperature range is -55°C to +125°C.

What type of package is the SRP4020-1R0M in?

It is a Surface Mount package.

How is the SRP4020-1R0M packaged?

It is supplied in reels of 2000 pieces.

Category	Fixed Inductors
Manufacturer Name	Bourns
Core Material	Iron
Current	6A
Current Rating (Amps)	5 A (Irms)
DC Resistance (DCR)	21.6 mΩ Max
Height	2.00mm (0.079")
Inductance	1 µH ±20 %
Length	4.80mm (0.189")
Material	Iron
Mounting Type	Surface Mount
Operating Temperature	-55 °C to +125 °C (Temperature rise included)
Package Description	2000 pcs. per 13-inch reel
Rated Current	Ind. drops 20 % at Isat
Reflow Soldering	230 °C; 50 sec. max.
Resistance to Soldering Heat	+260 °C for 10 sec
Shielding	Shielded
Storage Temperature	°C ~ °C
Tape & Reel	No
Temperature Rise	40 °C at rated Irms
Terminal Material	Cu/Sn
Test Frequency	100 KHz
Test Voltage	0.25 V
Tolerance	±20%
Type	Molded
Width	4.00mm (0.157")
Wire Material	Enameled copper