SDR1045-4R5M

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Bourns Inc.

INDUCTOR POWER UNSHIELDED WIREWOUND 4.5UH 20% 100KHZ 25Q-FACTOR FERRITE 4.2A 0.033OHM DCR T/R

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Active

Bourns Inc.

INDUCTOR POWER UNSHIELDED WIREWOUND 4.5UH 20% 100KHZ 25Q-FACTOR FERRITE 4.2A 0.033OHM DCR T/R

Technical Specifications

Parameters and characteristics for this part

Part	Type	Q @ Freq	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	Current - Saturation (Isat)	Package / Case	Inductance Frequency - Test	Tolerance	Inductance	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Shielding	Operating Temperature [Max]	Operating Temperature [Min]	Current Rating (Amps)	Mounting Type	Material - Core	DC Resistance (DCR) [Max]	Frequency - Self Resonant
Bourns Inc. SDR1045-102K	Drum Core Wirewound	25 252 kHz	0.189 "	4.8 mm	400 mA	Nonstandard	100 kHz	10 %	1 mH	10 mm	0.394 in	10 mm	0.394 "	Unshielded	125 °C	-40 °C	0.38 A	Surface Mount	Ferrite	4.7 Ohm	2.9 MHz
Bourns Inc. SDR1045-220M	Drum Core Wirewound	2.52 MHz 22	0.189 "	4.8 mm	2.6 A	Nonstandard	100 kHz	20 %	22 µH	10 mm	0.394 in	10 mm	0.394 "	Unshielded	125 °C	-40 °C	2.2 A	Surface Mount	Ferrite	145 mOhm	19.4 MHz
Bourns Inc. SDR1045-4R5M	Drum Core Wirewound	7.96 MHz 25	0.189 "	4.8 mm	5.2 A	Nonstandard	100 kHz	20 %	4.5 µH	10 mm	0.394 in	10 mm	0.394 "	Unshielded	125 °C	-40 °C	4.2 A	Surface Mount	Ferrite	33 mOhm	44.2 MHz
Bourns Inc. SDR1045-6R8M	Drum Core Wirewound	7.96 MHz 22	0.189 "	4.8 mm		Nonstandard	100 kHz	20 %	6.8 µH	10 mm	0.394 in	10 mm	0.394 "	Unshielded	125 °C	-40 °C	3.5 A	Surface Mount	Ferrite	40 mOhm	35.8 MHz
Bourns Inc. SDR1045-680M	Drum Core Wirewound	2.52 MHz 21	0.189 "	4.8 mm		Nonstandard	100 kHz	20 %	68 µH	10 mm	0.394 in	10 mm	0.394 "	Unshielded	125 °C	-40 °C	1.3 A	Surface Mount	Ferrite	360 mOhm	11.1 MHz

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

General part information

4.5 µH Unshielded Drum Core, Wirewound Inductor 4.2 A 33mOhm Max Nonstandard

Technical documentation and resources