SRF1280-3R3Y Bourns SRF1280-3R3Y is a dual coil inductor array with 3.3µH inductance per coil. It features low DCR of 0.011Ω and high current capability up to 5.23A in parallel configuration.
Mfr Part #:

SRF1280-3R3Y

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns SRF1280-3R3Y is a dual coil inductor array with 3.3µH inductance per coil. It features low DCR of 0.011Ω and high current capability up to 5.23A in parallel configuration.
Total Stock: 300 pcs
$ Price Range: $0.20

SRF1280-3R3Y Available from 1 distributor

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SRF1280-3R3Y Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating
Current Rating Irms (Nominal @ Parallel Rating)
Current Rating Irms (Nominal @ Series Rating)
Current Rating Isat (Nominal @ Parallel Rating)
Current Rating Isat (Nominal @ Series Rating)
Current Saturation
DC Resistance (DCR)
DC Resistance (Maximum)
Height
Inductance
Inductance Tolerance (Nominal @ 100 kHz)
Length
Mounting Type
Number of Coils
Operating Temperature
Shielding
Tolerance
Width

SRF1280-3R3Y Description

Short technical summary and product information.

The Bourns SRF1280-3R3Y is a dual coil inductor array designed for high current and low DC resistance applications. Each coil provides 3.3 µH inductance with ±30% tolerance, measured at 100 KHz.

 

The maximum DC resistance is 0.011Ω, enabling efficient power handling. The component is rated for 5.23 A (Irms) in parallel configuration and 10.4 A in series, with a saturation current of 21.5 A for both modes. Operating temperature ranges from -40°C to 125°C.

 

The package is a surface mount nonstandard format measuring 12.50mm x 12.50mm x 8.00mm. The dual coil architecture allows flexible wiring configurations for different inductance and current levels.

SRF1280-3R3Y Quick Information

Product Type: Inductor Array
Series: SRF1280
Canonical Name: SRF1280-3R3Y Inductor Array, 2 Coils, 3.3 µH, ±30%, SMD
Subcategory: Signal Transformers

SRF1280-3R3Y Compliance

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

SRF1280-3R3Y Estimated Pricing

Qty Low High
1+ $0.20 $0.20

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

SRF1280-3R3Y Features

  • Dual coil inductor array configuration.
  • Inductance 3.3 µH per coil.
  • Low DC resistance of 0.011 Ω.
  • High current rating of 5.23 A.
  • Wide operating temperature range -40°C to 125°C.

SRF1280-3R3Y Applications

  • Used in power supply filtering circuits.
  • Suitable for DC-DC converter designs.
  • Ideal for EMI noise suppression.
  • Applicable in automotive power systems.

SRF1280-3R3Y FAQs

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

3.3 µH per coil at 100 KHz.

What is the tolerance?

±30%.

What is the DC resistance?

0.011Ω maximum.

What is the current rating?

5.23 A in parallel configuration, 10.4 A in series.

What is the saturation current?

21.5 A.

How many coils does this inductor have?

2 coils.

What is the operating temperature range?

-40°C to 125°C.

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