Inductors, Coils, Chokes

2890R-03K

Active

Delevan

RF INDUCTORS - LEADED 1.8UH 10% 140OHM MOLDED UNSHIELD COIL

Deep-Dive with AI

Search across all available documentation for this part.

DocumentsDatasheet

Inductors, Coils, Chokes

2890R-03K

Active

Delevan

RF INDUCTORS - LEADED 1.8UH 10% 140OHM MOLDED UNSHIELD COIL

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	2890R-03K

Current Rating (Amps)	1.79 A
DC Resistance (DCR) [Max]	135 mOhm
Frequency - Self Resonant	140 MHz
Inductance	1.8 µH
Inductance Frequency - Test	7.9 MHz
Material - Core	Phenolic
Mounting Type	Through Hole
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 C
Package / Case	Axial
Q @ Freq	60, 7.9 MHz
Shielding	Unshielded
Size / Dimension [diameter]	7.11 mm
Size / Dimension [diameter]	0.28 "
Size / Dimension [x]	0.9 in
Size / Dimension [x]	22.86 mm
Tolerance	10 %
Type	Molded

2890/R Series

Part	Current Rating (Amps)	Inductance Frequency - Test	Mounting Type	Material - Core	Tolerance	Frequency - Self Resonant	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Inductance	Shielding	Q @ Freq	Type	DC Resistance (DCR) [Max]	Size / Dimension [diameter]	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [x]	DC Resistance (DCR)
Delevan 2890R-02J	2.19 A	7.9 MHz	Through Hole	Phenolic	5 %	160 MHz	-55 C	125 °C	Axial	1.5 µH	Unshielded	7.9 MHz 60	Molded	90 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890-04H	1.64 A	7.9 MHz	Through Hole	Phenolic	3 %	125 MHz	-55 C	125 °C	Axial	2.2 µH	Unshielded	7.9 MHz 60	Molded	160 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890-42J	279 mA	2.5 MHz	Through Hole	Iron	5 %	12 MHz	-55 C	105 ░C	Axial	100 µH	Unshielded	2.5 MHz 75	Molded		7.11 mm	0.9 in	0.28 "	22.86 mm	2.5 Ohm
Delevan 2890R-03K	1.79 A	7.9 MHz	Through Hole	Phenolic	10 %	140 MHz	-55 C	125 °C	Axial	1.8 µH	Unshielded	7.9 MHz 60	Molded	135 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890-28H	815 mA	2.5 MHz	Through Hole	Iron	3 %	24 MHz	-55 C	105 ░C	Axial	22 µH	Unshielded	2.5 MHz 50	Molded	295 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890R-14K	760 mA	7.9 MHz	Through Hole	Phenolic	10 %	80 MHz	-55 C	125 °C	Axial	5.6 µH	Unshielded	7.9 MHz 60	Molded	745 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890-16K	0.64 A	7.9 MHz	Through Hole	Phenolic	10 %	75 MHz	-55 C	125 °C	Axial	6.8 µH	Unshielded	7.9 MHz 60	Molded	1.05 Ohm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890R-02H	2.19 A	7.9 MHz	Through Hole	Phenolic	3 %	160 MHz	-55 C	125 °C	Axial	1.5 µH	Unshielded	7.9 MHz 60	Molded	90 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890-03H	1.79 A	7.9 MHz	Through Hole	Phenolic	3 %	140 MHz	-55 C	125 °C	Axial	1.8 µH	Unshielded	7.9 MHz 60	Molded	135 mOhm	7.11 mm	0.9 in	0.28 "	22.86 mm
Delevan 2890-18J	555 mA	7.9 MHz	Through Hole	Phenolic	5 %	68 MHz	-55 C	125 °C	Axial	8.2 µH	Unshielded	7.9 MHz 60	Molded	1.4 Ohm	7.11 mm	0.9 in	0.28 "	22.86 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 2.62
	Tape & Reel (TR)	1000	$ 2.47
Mouser	N/A	1	$ 6.70
		10	$ 5.65
		100	$ 5.21
		1000	$ 2.19

Description

General part information

2890/R Series

1.8 µH Unshielded Molded Inductor 1.79 A 135mOhm Max Axial

Documents

Technical documentation and resources