All prices are in US dollars.
Digi-Key Part Number SRF1280-221MDKR-ND
Price Break Unit Price Extended Price
1 1.50000 1.50
10 1.41000 14.10
25 1.31600 32.90
50 1.12800 56.40
100 1.07160 107.16
Quantity Available Digi-Key Stock: 3,443
Can ship immediately

Manufacturer Part Number


Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

A $7.00 reeling fee will be applied to each reel ordered. Digi-Reels are a custom product and are non-cancelable and non-returnable.

Digi-Reel Pricing
Quantity Unit Price Extended Price

Quantity Item Number ? Customer Reference

When requested quantity exceeds displayed pricing table quantities, a lesser unit price may appear on your order.
You may submit a request for quotation on quantities which are greater than those displayed in the pricing table.

Datasheets SRF1280 Series
Product Photos SRF1280
RoHS Information SRF1280 Series Material Declaration
3D Model SRF1280.stp
PCN Design/Specification SRF1260,1280 Series Epoxy Oct/2012
PCN Assembly/Origin Magnetic products Oct/2013
Standard Package ? 1

Inductors, Coils, Chokes


Arrays, Signal Transformers

Series SRF1280
Packaging ? Digi-Reel®?
Number of Coils 2
Inductance - Connected In Series 880µH
Inductance - Connected In Parallel 220µH
Tolerance ±20%
Current Rating - Parallel 1.29A
Current Rating - Series 645mA
Current Saturation - Parallel 2.43A
Current Saturation - Series 1.22A
DC Resistance (DCR) - Parallel 343 mOhm Max
DC Resistance (DCR) - Series 1.38 Ohm Max
Shielding Shielded
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case Nonstandard
Size / Dimension 0.492" L x 0.492" W (12.50mm x 12.50mm)
Height 0.315" (8.00mm)
Online Catalog SRF Series
Other Names SRF1280-221MDKR
Alternate Package | This part is also available in the following packaging:
Digi-Key Part Number Manufacturer Part Number Manufacturer Packaging Quantity Available Unit Price Minimum Quantity
SRF1280-221MTR-ND SRF1280-221M Bourns Inc. Tape & Reel (TR)? 2,800 - Immediate
0.78960 400
SRF1280-221MCT-ND SRF1280-221M Bourns Inc. Cut Tape (CT)? 3,443 - Immediate
1.50000 1

Tape & Reel, Cut Tape and Digi-Reels are all derived from the same manufacturer’s part number. Inventory from Tape & Reel is used to fulfill Cut Tape and Digi-Reel orders and will impact the total quantity available.

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02:56:11 5/31/2016