1540M20

Active

Hammond Manufacturing

FIXED IND 4.5MH 1.25A 2.64OHM TH

Deep-Dive with AI

Search across all available documentation for this part.

1540M20

Active

Hammond Manufacturing

FIXED IND 4.5MH 1.25A 2.64OHM TH

Deep-Dive with AI

Specifications Pricing Series Description Documents

Pricing

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

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 13.71
		10	$ 12.90
		100	$ 12.57

Description

General part information

1540 Series

4.5 mH Unshielded Toroidal Inductor 1.25 A 2.64Ohm Max Radial, Vertical (Open)

Documents

Technical documentation and resources

No documents available

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	1540M20	1540 Series

Current Rating (Amps)	1.25 A	1 - 11 A
DC Resistance (DCR)	-	12 - 420 mOhm
DC Resistance (DCR) [Max]	2.64 Ohm	1.16 - 980 mOhm
Inductance	4.5 mH	1 - 900 mH
Mounting Type	Through Hole	Through Hole
Package / Case	Radial, Vertical (Open)	Radial, Vertical (Open)
Shielding	Unshielded	Unshielded
Size / Dimension	-	23.8 mm
Size / Dimension	-	0.937 in
Size / Dimension [diameter]	1.812 in	0.875 - 2.125 in
Size / Dimension [diameter]	46.02 mm	22.22 - 53.97 mm
Size / Dimension [y]	0.75 in	0.437 - 0.75 in
Size / Dimension [y]	19.05 mm	11.1 - 19.05 mm
Tolerance	15 %	15 %
Type	Toroidal	Toroidal

1540 Series

FIXED IND 1.1MH 2.5A 330 MOHM TH

Part	Type	Shielding	Tolerance	Package / Case	DC Resistance (DCR)	Size / Dimension [diameter]	Size / Dimension [diameter]	Size / Dimension [y]	Size / Dimension [y]	Current Rating (Amps)	Mounting Type	Inductance	DC Resistance (DCR) [Max]	Size / Dimension [custom]	Size / Dimension [custom]
Hammond Manufacturing 1540M18	Toroidal	Unshielded	15 %	Radial, Vertical (Open)	330 mOhm	1.812 in	46.02 mm	0.75 in	19.05 mm	2.5 A	Through Hole	1.1 mH
Hammond Manufacturing 1540M12	Toroidal	Unshielded	15 %	Radial, Vertical (Open)	46 mOhm	1.25 in	31.75 mm	0.625 in	15.88 mm	4.75 A	Through Hole	150 µH
Hammond Manufacturing 1540M07	Toroidal	Unshielded	15 %	Radial, Vertical (Open)		1.125 "	28.58 mm	0.562 "	14.27 mm	5 A	Through Hole	75 µH	40 mOhm
Hammond Manufacturing 1540M22	Toroidal	Unshielded	15 %	Radial, Vertical (Open)	175 mOhm	2.125 in	53.97 mm			3.75 A	Through Hole	900 µH		23.8 mm	0.937 in
Hammond Manufacturing 1540M23	Toroidal	Unshielded	15 %	Radial, Vertical (Open)		2.125 in	53.97 mm			2.5 A	Through Hole	1.8 mH	550 mOhm	23.8 mm	0.937 in
Hammond Manufacturing 1540M16	Toroidal	Unshielded	15 %	Radial, Vertical (Open)		1.812 in	46.02 mm	0.75 in	19.05 mm	7.75 A	Through Hole	125 µH	32 mOhm
Hammond Manufacturing 1540M05	Toroidal	Unshielded	15 %	Radial, Vertical (Open)		0.875 "	22.22 mm	0.437 in	11.1 mm	1.5 A	Through Hole	450 µH	490 mOhm
Hammond Manufacturing 1540M11	Toroidal	Unshielded	15 %	Radial, Vertical (Open)	12 mOhm	1.25 in	31.75 mm	0.625 in	15.88 mm	9.5 A	Through Hole	50 µH
Hammond Manufacturing 1540M17	Toroidal	Unshielded	15 %	Radial, Vertical (Open)		1.812 in	46.02 mm	0.75 in	19.05 mm	4 A	Through Hole	500 µH	150 mOhm
Hammond Manufacturing 1540M09	Toroidal	Unshielded	15 %	Radial, Vertical (Open)		1.125 "	28.58 mm	0.562 "	14.27 mm	1.75 A	Through Hole	800 µH	640 mOhm