All prices are in US dollars.
Digi-Key Part Number SRF1280-221MTR-ND
Price Break Unit Price Extended Price
400 0.78960 315.84
800 0.63920 511.36
1,200 0.62510 750.12
Quantity Available Digi-Key Stock: 4,000
Can ship immediately

Manufacturer Part Number


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

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.

SRF1280-221M Bourns Inc. | SRF1280-221MTR-ND DigiKey Electronics

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

Datasheets SRF1280 Series
Product Photos SRF1280
RoHS Information SRF1280 Series Material Declaration
PCN Design/Specification SRF1260,1280 Series Epoxy Oct/2012
PCN Assembly/Origin Magnetic products Oct/2013
Standard Package ? 400

Inductors, Coils, Chokes


Arrays, Signal Transformers

Series SRF1280
Packaging ? Tape & Reel (TR)?
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 SRF1280-221MTR
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
SRF1280-221MCT-ND SRF1280-221M Bourns Inc. Cut Tape (CT)? 4,302 - Immediate
1.50000 1
SRF1280-221MDKR-ND SRF1280-221M Bourns Inc. Digi-Reel®? 4,302 - Immediate
Digi-Reel® 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.

06:07:49 2/6/2016