PM40-3R9K

Obsolete

Bourns Inc.

FIXED IND 3.9UH 330MA 900MOHM SM

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PM40-3R9K

Obsolete

Bourns Inc.

FIXED IND 3.9UH 330MA 900MOHM SM

Deep-Dive with AI

DocumentsDatasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	PM40-3R9K

Current Rating (Amps)	0.33 A
Frequency - Self Resonant	40 MHz
Height - Seated (Max) [Max] [z]	3.2 mm
Height - Seated (Max) [Max] [z]	0.126 in
Inductance	3.9 µH
Inductance Frequency - Test	7.96 MHz
Material - Core	Iron Powder
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-55 °C
Package / Case	1812 (4532 Metric)
Q @ Freq	7.96 MHz, 50
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 "
Tolerance	10 %
Type	Molded

PM40 Series

Part	Operating Temperature [Min]	Operating Temperature [Max]	Q @ Freq	Current Rating (Amps)	Frequency - Self Resonant	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [x]	Size / Dimension [y]	Type	Shielding	Material - Core	Package / Case	Inductance	Tolerance	Mounting Type	Inductance Frequency - Test	Height - Seated (Max) [Max] [z]	Height - Seated (Max) [Max] [z]	DC Resistance (DCR) [Max]	DC Resistance (DCR)
Bourns Inc. PM40-151K	-55 °C	125 °C	40 796 kHz	0.105 A	5 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Ferrite	1812 (4532 Metric)	150 µH	10 %	Surface Mount	796 kHz	3.2 mm	0.126 in	9 Ohm
Bourns Inc. PM40-R33M	-55 °C	125 °C	25.2 MHz 30	450 mA	300 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Non-Magnetic	1812 (4532 Metric)	330 nH	20 %	Surface Mount	25.2 MHz	3.2 mm	0.126 in	400 mOhm
Bourns Inc. PM40-3R9K	-55 °C	125 °C	7.96 MHz 50	0.33 A	40 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Iron Powder	1812 (4532 Metric)	3.9 µH	10 %	Surface Mount	7.96 MHz	3.2 mm	0.126 in
Bourns Inc. PM40-3R3K	-55 °C	125 °C	7.96 MHz 50	355 mA	45 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Iron Powder	1812 (4532 Metric)	3.3 µH	10 %	Surface Mount	7.96 MHz	3.2 mm	0.126 in	800 mOhm
Bourns Inc. PM40-101K	-55 °C	125 °C	40 796 kHz	110 mA	7 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Iron Powder	1812 (4532 Metric)	100 µH	10 %	Surface Mount	796 kHz	3.2 mm	0.126 in	8 Ohm
Bourns Inc. PM40-5R6K	-55 °C	125 °C	7.96 MHz 50	300 mA	33 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Iron Powder	1812 (4532 Metric)	5.6 µH	10 %	Surface Mount	7.96 MHz	3.2 mm	0.126 in	1.1 Ohm
Bourns Inc. PM40-270K	-55 °C	125 °C		0.17 A	12 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Iron Powder	1812 (4532 Metric)	27 µH	10 %	Surface Mount	2.52 MHz	3.2 mm	0.126 in	3.6 Ohm
Bourns Inc. PM40-390K	-55 °C	125 °C		150 mA	10 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Iron Powder	1812 (4532 Metric)	39 µH	10 %	Surface Mount	2.52 MHz	3.2 mm	0.126 in	4.5 Ohm
Bourns Inc. PM40-R12M	-55 °C	125 °C	25.2 MHz 30	450 mA	500 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Non-Magnetic	1812 (4532 Metric)	120 nH	20 %	Surface Mount	25.2 MHz	3.2 mm	0.126 in		220 mOhm
Bourns Inc. PM40-R56M	-55 °C	125 °C	25.2 MHz 30	450 mA	180 MHz	3.2 mm	0.177 in	4.5 mm	0.126 "	Molded	Unshielded	Non-Magnetic	1812 (4532 Metric)	560 nH	20 %	Surface Mount	25.2 MHz	3.2 mm	0.126 in	550 mOhm

Pricing

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

Distributor	Package	Quantity	$

Description

General part information

PM40 Series

3.9 µH Unshielded Molded Inductor 330 mA 900mOhm Max 1812 (4532 Metric)

Documents

Technical documentation and resources