SRR1280-221K The Bourns SRR1280-221K is a shielded, wirewound, drum core fixed inductor. It offers 220µH inductance with a ±10% tolerance.
Mfr Part #:

SRR1280-221K

Available from 2 distributors
Mfr Name: Bourns
Bourns
The Bourns SRR1280-221K is a shielded, wirewound, drum core fixed inductor. It offers 220µH inductance with a ±10% tolerance.
Total Stock: 3,630 pcs
$ Price Range: $0.18

SRR1280-221K Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,600 pcs
3600 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
30 pcs
30 pcs On Request 1 On Request On Request On Request On Request On Request

SRR1280-221K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Height
Inductance
Inductance Drop
Inductance Test Frequency
Inductance Test Voltage
Length
Material
Mounting Type
Operating Temperature
Q @ Freq
Quantity Per Package
Resistance to Soldering Heat
Shielding
Temperature Rise
Tolerance
Type
Width

SRR1280-221K Description

Short technical summary and product information.

The Bourns SRR1280-221K is a shielded SMD power inductor from the SRR1280 series. It features a wirewound drum core construction and operates within a temperature range of -40°C to 125°C.

 

This inductor provides an inductance value of 220 µH with a tight tolerance of ±10%. It has a Q factor of 24 at 796 kHz and a self-resonant frequency of 3.4 MHz. The DC resistance (DCR) is a maximum of 400 mΩ.

 

With a current rating of 1.6A for RMS current and 1.7A for saturation current, this component is suitable for various power applications. It is designed for surface mounting and comes in a nonstandard package size.

 

Applications include input/output of DC/DC converters and power supplies for portable communication equipment, camcorders, and LCD televisions.

SRR1280-221K Quick Information

Product Type: Fixed Inductor
Series: SRR1280
Canonical Name: SRR1280-221K Shielded SMD Power Inductor
Subcategory: Fixed

SRR1280-221K Compliance

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

SRR1280-221K Estimated Pricing

Qty Low High
1+ $0.18 $0.18

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

SRR1280-221K Features

  • Shielded wirewound drum core inductor.
  • 220µH inductance with ±10% tolerance.
  • Rated for 1.6A RMS and 1.7A saturation current.
  • Low 400mΩ maximum DC resistance.
  • Surface mountable for compact designs.

SRR1280-221K Applications

  • Ideal for DC-DC converter output filtering stages.
  • Used in automotive power distribution circuits.
  • Suitable for industrial motor drive control loops.
  • Applied in telecommunications power supply modules.

SRR1280-221K FAQs

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

220 µH

What is the maximum DC resistance?

400 mΩ

What is the RMS current rating?

1.6 A

What is the self-resonant frequency?

3.4 MHz

How is the component packaged?

Shipped in reels containing 400 pieces per reel

What is the operating temperature range?

-40°C to 125°C

Is the inductor shielded?

Yes, it features a fully shielded design

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