IMC1210EB101K Equivalent & Substitute Parts

Part Overview

The IMC1210EB101K is a 100 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, rated for 73 mA maximum current with 14 Ohm maximum DC resistance. This surface mount component operates across the temperature range of -55°C to 125°C and is ROHS3 compliant. The part is currently active in production with 1062 units in stock. Substitute parts are identified for applications requiring equivalent inductance and electrical performance within specified tolerance ranges.

Key Parameters

Parameter	Value
Inductance	100 µH
Tolerance	±10%
Current Rating	73 mA
DC Resistance (Max)	14 Ohm
Core Type	Drum Core, Wirewound
Shielding	Unshielded
Operating Temperature	-55°C to 125°C
Mounting Type	Surface Mount
Package	1210 (3225 Metric)
Q @ Frequency	20 @ 796 kHz
Self Resonant Frequency	9 MHz

Substitute Part Grouping Explanation

Substitute parts for the IMC1210EB101K are qualified based on the following electrical and mechanical parameters:

Inductance value: 100 µH (±10% tolerance maintained)
Core type: Drum core, wirewound construction
Shielding: Unshielded configuration
Mounting: Surface mount technology
Physical package: 1210 (3225 Metric) footprint compatibility
Operating temperature range: Minimum -40°C to 125°C overlap
Q factor: 20 @ 796 kHz
Self resonant frequency: 8 MHz or higher

The substitute parts identified are B82422T1104K000 (EPCOS - TDK Electronics) and CM322522-101KL (Bourns Inc.). Both maintain the core inductance specification and unshielded drum core design. Current rating reductions from 73 mA to 60 mA and DC resistance variations within acceptable limits are documented for circuit design consideration.

Parameter Comparison

Parameter	IMC1210EB101K (Vishay Dale)	B82422T1104K000 (EPCOS - TDK)	CM322522-101KL (Bourns Inc.)
Inductance	100 µH	100 µH	100 µH
Tolerance	±10%	±10%	±10%
Current Rating (mA)	73	60	60
DC Resistance (Max, Ohm)	14	11	10
Core Material	Iron Powder	Ferrite	Ferrite
Core Type	Drum Core, Wirewound	Drum Core, Wirewound	Drum Core, Wirewound
Shielding	Unshielded	Unshielded	Unshielded
Q @ 796 kHz	20	20	20
Self Resonant Frequency	9 MHz	8 MHz	10 MHz
Operating Temperature	-55°C to 125°C	-55°C to 125°C	-40°C to 125°C
Package / Case	1210 (3225 Metric)	2-SMD, J-Lead	Nonstandard
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)

Engineering Selection Recommendations

All three parts maintain ROHS3 compliance and REACH unaffected status. The IMC1210EB101K remains the primary specification with iron powder core construction and 73 mA current rating. B82422T1104K000 offers ferrite core construction with AEC-Q200 automotive qualification, reduced current rating of 60 mA, and lower DC resistance of 11 Ohm maximum. CM322522-101KL provides ferrite core construction with 60 mA current rating and 10 Ohm maximum DC resistance, with operating temperature range limited to -40°C minimum and MSL rating of 3 requiring controlled storage conditions.

Selection between substitute parts depends on circuit current requirements, thermal performance needs, and environmental storage conditions. The ferrite core substitutes provide lower DC resistance characteristics compared to the iron powder core original specification.

Frequently Asked Questions (FAQ)

Q: Can B82422T1104K000 replace IMC1210EB101K in all applications?

A: B82422T1104K000 maintains 100 µH inductance and ±10% tolerance with equivalent Q factor at 796 kHz. The current rating is reduced from 73 mA to 60 mA, and DC resistance is lower at 11 Ohm maximum versus 14 Ohm maximum. Applications operating below 60 mA can use this substitute. The ferrite core differs from the iron powder core of the original part.

Q: What are the physical package differences?

A: IMC1210EB101K uses standard 1210 (3225 Metric) package. B82422T1104K000 uses 2-SMD, J-Lead configuration. CM322522-101KL uses nonstandard package. Physical footprint compatibility must be verified for PCB layout.

Q: Are there temperature range limitations with substitute parts?

A: IMC1210EB101K operates -55°C to 125°C. B82422T1104K000 matches this range. CM322522-101KL operates -40°C to 125°C, limiting low-temperature performance by 15°C.

Q: What is the significance of core material differences?

A: IMC1210EB101K uses iron powder core. B82422T1104K000 and CM322522-101KL use ferrite cores. Core material affects frequency response, temperature stability, and saturation characteristics. Circuit performance validation is required when changing core materials.

Q: Does MSL rating affect part selection?

A: IMC1210EB101K and B82422T1104K000 have MSL 1 (unlimited shelf life). CM322522-101KL has MSL 3 (168 hours), requiring controlled storage and baking procedures before reflow soldering.

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