SRR1280-271K vs SRR1280-221K

Product Attributes

Part Number SRR1280-271K SRR1280-221K
Manufacturer Bourns Inc. Bourns Inc.
Category Fixed Inductors Fixed Inductors
SRR1280-271K SRR1280-221K
Product Status Active Active
Type Drum Core, Wirewound Drum Core, Wirewound
Material - Core Ferrite Ferrite
Inductance 270 µH 220 µH
Tolerance ±10% ±10%
Current Rating (Amps) 1.2 A 1.6 A
Current - Saturation (Isat) 1.6A 1.7A
Shielding Shielded Shielded
DC Resistance (DCR) 450mOhm Max 400mOhm Max
Q @ Freq 20 @ 796kHz 24 @ 796kHz
Frequency - Self Resonant 3.1MHz 3.4MHz
Ratings - -
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Inductance Frequency - Test 100 kHz 100 kHz
Features - -
Mounting Type Surface Mount Surface Mount
Package / Case Nonstandard Nonstandard
Supplier Device Package - -
Size / Dimension 0.492" L x 0.492" W (12.50mm x 12.50mm) 0.492" L x 0.492" W (12.50mm x 12.50mm)
Height - Seated (Max) 0.315" (8.00mm) 0.315" (8.00mm)