Inductors, Coils, Chokes

1812R-221K

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Delevan

FIXED IND 220NH 708MA 400MOHM SM

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Inductors, Coils, Chokes

1812R-221K

Active

Delevan

FIXED IND 220NH 708MA 400MOHM SM

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	1812R-221K

Current Rating (Amps)	708 mA
DC Resistance (DCR) [Max]	400 mOhm
Frequency - Self Resonant	350 MHz
Height - Seated (Max)	3.4 mm
Height - Seated (Max) [Max]	0.134 in
Inductance	220 nH
Inductance Frequency - Test	25 MHz
Material - Core	Iron
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
Package / Case	1812 (4532 Metric)
Q @ Freq	30
Shielding	Unshielded
Size / Dimension [x]	0.177 in
Size / Dimension [x]	4.5 mm
Size / Dimension [y]	3.2 mm
Size / Dimension [y]	0.126 in
Tolerance	10 %

1812/R Series

Part	DC Resistance (DCR) [Max]	Frequency - Self Resonant	Tolerance	Inductance Frequency - Test	Q @ Freq	Material - Core	Inductance	Package / Case	Current Rating (Amps)	Shielding	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max]	Height - Seated (Max)	DC Resistance (DCR)	Q @ Freq [custom]	Q @ Freq [custom]
Delevan 1812R-183H	2.8 Ohm	15 MHz	3 %	2.5 MHz	2.5 MHz 50	Ferrite	18 µH	2-SMD	268 mA	Unshielded	-55 C	125 °C	Surface Mount	3.2 mm	0.126 "	3.2 mm	0.126 in	4.83 mm	0.19 "
Delevan 1812-472K	1 Ohm	35 MHz	10 %	7.9 MHz	7.9 MHz 50	Ferrite	4.7 ÁH	1812 (4532 Metric)	448 mA	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm
Delevan 1812R-221K	400 mOhm	350 MHz	10 %	25 MHz	30	Iron	220 nH	1812 (4532 Metric)	708 mA	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm
Delevan 1812-681K	1.4 Ohm	150 MHz	10 %	25 MHz	30	Iron	0.68 µH	1812 (4532 Metric)	379 mA	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm
Delevan 1812-220K		1 GHz	10 %	50 MHz		Phenolic	22 nH	2-SMD	1.23 A	Unshielded	-55 C	125 °C	Surface Mount	3.2 mm	0.126 "	3.2 mm	0.126 in	4.83 mm	0.19 "			100 mOhm	40	50 MHz
Delevan 1812-392H		40 MHz	3 %	7.9 MHz	7.9 MHz 50	Ferrite	3.9 µH	2-SMD	472 mA	Unshielded	-55 C	125 °C	Surface Mount	3.2 mm	0.126 "	3.2 mm	0.126 in	4.83 mm	0.19 "
Delevan 1812-220M		1 GHz	20 %	50 MHz		Phenolic	22 nH	1812 (4532 Metric)	1.23 A	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm	100 mOhm	40	50 MHz
Delevan 1812-154K	9 Ohm	6 MHz	10 %	790 kHz	40 790 kHz	Ferrite	150 µH	1812 (4532 Metric)	149 mA	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm
Delevan 1812-273J	3.6 Ohm	12 MHz	5 %	2.5 MHz	2.5 MHz 50	Ferrite	27 µH	1812 (4532 Metric)	236 mA	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm
Delevan 1812-182J	650 mOhm	60 MHz	5 %	7.9 MHz	7.9 MHz 50	Ferrite	1.8 µH	1812 (4532 Metric)	556 mA	Unshielded	-55 C	125 °C	Surface Mount	4.5 mm	0.177 in	3.2 mm	0.126 in			0.134 in	3.4 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.95
		10	$ 1.52
		25	$ 1.37
		50	$ 1.27
		100	$ 1.18
		250	$ 1.06
	Digi-Reel®	1	$ 1.95
		10	$ 1.52
		25	$ 1.37
		50	$ 1.27
		100	$ 1.18
		250	$ 1.06
	N/A	186	$ 1.97
	Tape & Reel (TR)	500	$ 0.98
		1000	$ 0.91
		1500	$ 0.87
		2500	$ 0.82
		3500	$ 0.82
Mouser	N/A	1	$ 1.72
		10	$ 1.42
		100	$ 1.17
		500	$ 1.01
		1000	$ 0.92
		2500	$ 0.86
		5000	$ 0.85

Description

General part information

1812/R Series

220 nH Unshielded Inductor 708 mA 400mOhm Max 1812 (4532 Metric)

Documents

Technical documentation and resources