Specification	SRN4018-221M

Current - Saturation (Isat)	0.3 mA
Current Rating	0.28 A
DC Resistance (DCR) (Max)	3.552 Ohm
Frequency - Self Resonant	3 MHz
Height - Seated (Max)	0.071 in
Inductance	220 µH
Inductance Frequency - Test	100 kHz
Material - Core	Ferrite
Mounting Type	Surface Mount
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Package / Case	Nonstandard
Q	30
Shielding	Shielded
Size / Dimension Length	0.157 in
Size / Dimension Width	0.157 in
Tolerance	20 %
Type	Drum Core, Wirewound

SRN4018 Series

Part	Size / Dimension Length	Size / Dimension Width	Mounting Type	Material - Core	DC Resistance (DCR) (Max)	Frequency - Self Resonant	Shielding	Q	Current - Saturation (Isat)	Inductance Frequency - Test	Type	Tolerance	Height - Seated (Max)	Inductance	Current Rating	Operating Temperature (Max)	Operating Temperature (Min)	Package / Case
Bourns Inc. SRN4018-151M	0.157 in	0.157 in	Surface Mount	Ferrite	2.4 Ohm	5 MHz	Shielded	23	350 mA	100 kHz	Drum Core Wirewound	20 %	0.071 in	150 µH	320 mA	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-3R3M	0.157 in	0.157 in	Surface Mount	Ferrite	66 mOhm	45 MHz	Shielded	9	2.3 A	100 kHz	Drum Core Wirewound	20 %	0.071 in	3.3 µH	2.2 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-2R7M	0.157 in	0.157 in	Surface Mount	Ferrite	52 mOhm	52 MHz	Shielded	9	2.4 A	100 kHz	Drum Core Wirewound	20 %	0.071 in	2.7 µH	2.3 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-2R2M	0.157 in	0.157 in	Surface Mount	Ferrite	44 mOhm	60 MHz	Shielded	9	3 A	100 kHz	Drum Core Wirewound	20 %	0.071 in	2.2 µH	2.9 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-220M	0.157 in	0.157 in	Surface Mount	Ferrite	348 mOhm	15 MHz	Shielded	11	0.95 mA	100 kHz	Drum Core Wirewound	20 %	0.071 in	22 µH	900 mA	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-1R0Y	0.157 in	0.157 in	Surface Mount	Ferrite	23 mOhm	90 MHz	Shielded	9	4.2 A	100 kHz	Drum Core Wirewound	30 %	0.071 in	1 µH	3.7 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-221M	0.157 in	0.157 in	Surface Mount	Ferrite	3.552 Ohm	3 MHz	Shielded	30	0.3 mA	100 kHz	Drum Core Wirewound	20 %	0.071 in	220 µH	0.28 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-331M	0.157 in	0.157 in	Surface Mount	Ferrite	6.36 Ohm	6 MHz	Shielded	30	0.21 mA	100 kHz	Drum Core Wirewound	20 %	0.071 in	330 µH	0.2 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-100M	0.157 in	0.157 in	Surface Mount	Ferrite	180 mOhm	25 MHz	Shielded	11	1.4 A	100 kHz	Drum Core Wirewound	20 %	0.071 in	10 µH	1.3 A	125 °C	-40 °C	Nonstandard
Bourns Inc. SRN4018-470M	0.157 in	0.157 in	Surface Mount	Ferrite	780 mOhm	10 MHz	Shielded	11	0.62 mA	100 kHz	Drum Core Wirewound	20 %	0.071 in	47 µH	600 mA	125 °C	-40 °C	Nonstandard

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SRN4018-221M | Datasheet