Inductors, Coils, Chokes

PM74SH-821M-RC

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Bourns Inc.

FIXED IND 820UH 250MA 2.2MOHM SM

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Inductors, Coils, Chokes

PM74SH-821M-RC

Active

Bourns Inc.

FIXED IND 820UH 250MA 2.2MOHM SM

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	PM74SH-821M-RC

Current - Saturation (Isat)	175 mA
Current Rating (Amps)	0.25 A
DC Resistance (DCR) [Max]	2.2 mOhm
Frequency - Self Resonant	3 MHz
Height - Seated (Max)	4.8 mm
Height - Seated (Max) [Max]	0.189 "
Inductance	820 µH
Inductance Frequency - Test	100 kHz
Material - Core	Ferrite
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Package / Case	Nonstandard
Q @ Freq [custom]	26
Q @ Freq [custom]	796 kHz
Shielding	Shielded
Size / Dimension [x]	0.276 "
Size / Dimension [x]	7 mm
Size / Dimension [y]	0.276 in
Size / Dimension [y]	7 mm
Tolerance	20 %
Type	Drum Core, Wirewound

PM74SH Series

Part	Package / Case	Material - Core	Inductance	Tolerance	Shielding	Inductance Frequency - Test	Type	Current - Saturation (Isat)	Frequency - Self Resonant	Height - Seated (Max) [Max]	Height - Seated (Max)	Q @ Freq [custom]	Q @ Freq [custom]	Current Rating (Amps)	DC Resistance (DCR)	Mounting Type	Size / Dimension [x]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Operating Temperature [Max]	Operating Temperature [Min]	Q @ Freq	Q @ Freq [custom]	DC Resistance (DCR) [Max]
Bourns Inc. PM74SH-180M-RC	Nonstandard	Ferrite	18 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	1.1 A	21 MHz	0.189 "	4.8 mm	2.52 MHz	29	1.5 A	70 mOhm	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C
Bourns Inc. PM74SH-330M-RC	Nonstandard	Ferrite	33 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	900 mA	12 MHz	0.189 "	4.8 mm			1.15 A	115 mOhm	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	2.52 MHz 25
Bourns Inc. PM74SH-681M-RC	Nonstandard	Ferrite	680 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	200 mA	3 MHz	0.189 "	4.8 mm		65	270 mA		Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C		796 kHz	1.6 Ohm
Bourns Inc. PM74SH-121M-RC	Nonstandard	Ferrite		20 %	Shielded	100 kHz	Drum Core Wirewound	450 mA	7 MHz	0.189 "	4.8 mm			600 mA	420 mOhm	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	30 796 kHz
Bourns Inc. PM74SH-271M-RC	Nonstandard	Ferrite	270 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	275 mA	5 MHz	0.189 "	4.8 mm			400 mA		Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	30 796 kHz		840 mOhm
Bourns Inc. PM74SH-821M-RC	Nonstandard	Ferrite	820 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	175 mA	3 MHz	0.189 "	4.8 mm		26	0.25 A		Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C		796 kHz	2.2 mOhm
Bourns Inc. PM74SH-100M-RC	Nonstandard	Ferrite	10 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	1.7 A	25 MHz	0.189 "	4.8 mm			2 A		Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	2.52 MHz 30		42 mOhm
Bourns Inc. PM74SH-390M-RC	Nonstandard	Ferrite	39 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	800 mA	13 MHz	0.189 "	4.8 mm			1.1 A	130 mOhm	Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	2.52 kHz 26
Bourns Inc. PM74SH-680M-RC	Nonstandard	Ferrite	68 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	0.6 A	10 MHz	0.189 "	4.8 mm			770 mA		Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	22		210 mOhm
Bourns Inc. PM74SH-391M-RC	Nonstandard	Ferrite	390 µH	20 %	Shielded	100 kHz	Drum Core Wirewound	225 mA	5 MHz	0.189 "	4.8 mm			350 mA		Surface Mount	0.276 "	0.276 in	7 mm	7 mm	125 °C	-40 C	27 796 kHz		1.2 Ohm

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	$ 0.38
	Tape & Reel (TR)	1000	$ 0.40

Description

General part information

PM74SH Series

820 µH Shielded Drum Core, Wirewound Inductor 250 mA 2.2mOhm Max Nonstandard

Documents

Technical documentation and resources