Inductors, Coils, Chokes

ER1840-18JM

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Delevan

RF INDUCTORS - LEADED 33UH 10% 1.37OHM EST RELI THRUHOLE RF

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Inductors, Coils, Chokes

ER1840-18JM

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Delevan

RF INDUCTORS - LEADED 33UH 10% 1.37OHM EST RELI THRUHOLE RF

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	ER1840-18JM

Current Rating (Amps)	945 mA
DC Resistance (DCR) [Max]	140 mOhm
Inductance	3.3 µH
Inductance Frequency - Test	7.9 MHz
Material - Core	Iron
Mounting Type	Through Hole
Operating Temperature [Max]	105 ░C
Operating Temperature [Min]	-55 C
Package / Case	Axial
Q @ Freq [custom]	7.9 MHz
Q @ Freq [custom]	30
Shielding	Unshielded
Size / Dimension [diameter]	0.187 in
Size / Dimension [diameter]	4.75 mm
Size / Dimension [x]	11.1 mm
Size / Dimension [x]	0.437 in
Tolerance	5 %
Type	Molded

ER1840 Series

Part	Shielding	Material - Core	DC Resistance (DCR) [Max]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [diameter]	Size / Dimension [diameter]	Current Rating (Amps)	Inductance Frequency - Test	Operating Temperature [Min]	Operating Temperature [Max]	Q @ Freq [custom]	Q @ Freq [custom]	Inductance	Type	Tolerance	Mounting Type	Package / Case	DC Resistance (DCR)	Frequency - Self Resonant	Q @ Freq
Delevan ER1840-18JM	Unshielded	Iron	140 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	945 mA	7.9 MHz	-55 C	105 ░C	7.9 MHz	30	3.3 µH	Molded	5 %	Through Hole	Axial
Delevan ER1840-10KR	Unshielded	Phenolic		11.1 mm	0.437 in	0.187 in	4.75 mm	930 mA	25 MHz	-55 C	125 °C	25 MHz	40	1 µH	Molded	10 %	Through Hole	Axial	290 mOhm	200 MHz
Delevan ER1840-103JM	Unshielded	Phenolic	65 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	2 A	25 MHz	-55 C	125 °C			240 nH	Molded	5 %	Through Hole	Axial		350 MHz	25 MHz 50
Delevan ER1840-34KR	Unshielded	Iron	1.2 Ohm	11.1 mm	0.437 in	0.187 in	4.75 mm	0.31 A	2.5 MHz	-55 C	105 ░C			15 µH	Molded	10 %	Through Hole	Axial		30 MHz	2.5 MHz 55
Delevan ER1840-05JP	Unshielded	Phenolic	85 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	1.7 A	25 MHz	-55 C	125 °C			390 nH	Molded	5 %	Through Hole	Axial		300 MHz	25 MHz 50
Delevan ER1840-101JM	Unshielded	Phenolic	35 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	2.7 A	25 MHz	-55 C	125 °C			160 nH	Molded	5 %	Through Hole	Axial		415 MHz	25 MHz 50
Delevan ER1840-22JM	Unshielded	Iron	210 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	745 mA	7.9 MHz	-55 C	105 ░C	7.9 MHz	30	4.7 ÁH	Molded	5 %	Through Hole	Axial		60 MHz
Delevan ER1840-03KM	Unshielded	Phenolic	65 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	2 A	25 MHz	-55 C	125 °C			270 nH	Molded	10 %	Through Hole	Axial		350 MHz	25 MHz 50
Delevan ER1840-105JR	Unshielded	Phenolic	85 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	1.7 A	25 MHz	-55 C	125 °C			360 nH	Molded	5 %	Through Hole	Axial		300 MHz	25 MHz 50
Delevan ER1840-102JR	Unshielded	Phenolic	35 mOhm	11.1 mm	0.437 in	0.187 in	4.75 mm	2.7 A	25 MHz	-55 C	125 °C				Molded	5 %	Through Hole	Axial		415 MHz	25 MHz 50

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	$ 22.65
	Tape & Reel (TR)	2500	$ 19.06
Mouser	N/A	1000	$ 47.40
		2000	$ 18.52

Description

General part information

ER1840 Series

3.3 µH Unshielded Molded Inductor 945 mA 140mOhm Max Axial

Documents

Technical documentation and resources