IMS05EB101K Equivalent & Substitute Parts

Part Overview

The Vishay Dale IMS05EB101K is a 100 µH shielded molded inductor rated for 160 mA with a maximum DC resistance of 3.12Ohm, designed for through-hole axial mounting. This component operates across the temperature range of -55°C to 105°C and is classified as obsolete. Due to its obsolete status, equivalent substitute parts from active manufacturers are necessary to maintain design continuity and ensure ongoing component availability for production and repair applications.

Key Parameters

Parameter	Value
Inductance	100 µH
Tolerance	±10%
Current Rating	160 mA
DC Resistance (Max)	3.12Ohm
Shielding	Shielded
Core Material	Ferrite
Mounting Type	Through Hole Axial
Package Dimensions	0.162" Dia x 0.410" L (4.11mm x 10.41mm)
Operating Temperature	-55°C ~ 105°C
Q @ Frequency	50 @ 2.5MHz
Self Resonant Frequency	10MHz

Substitute Part Grouping Explanation

Substitution eligibility for the IMS05EB101K is determined by strict equivalence across the following critical parameters:

Inductance value: 100 µH ±10%
Current rating: minimum 160 mA
DC resistance: maximum 3.12Ohm
Shielding type: Shielded configuration
Core material: Ferrite
Mounting: Through-hole axial package
Physical dimensions: 0.162" Dia x 0.410" L (4.11mm x 10.41mm)
Operating temperature range: -55°C to 105°C minimum

All substitute parts listed meet these electrical and mechanical specifications. Variations in product status, packaging format, and compliance certifications are noted but do not affect functional interchangeability within the specified parameter envelope.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Inductance	Current Rating (mA)	DC Resistance (Ohm Max)	Shielding	Core Material	Operating Temp (°C)	Product Status	Packaging
IMS05EB101K	Vishay Dale	100 µH	160	3.12	Shielded	Ferrite	-55 ~ 105	Obsolete	Bulk
1641R-104K	API Delevan Inc.	100 µH	164	3.12	Shielded	Ferrite	-55 ~ 105	Active	Bulk
9250A-104-RC	Bourns Inc.	100 µH	160	3.12	Shielded	Ferrite	-55 ~ 125	Active	Bulk
ER1641-104KM	API Delevan Inc.	100 µH	160	3.12	Shielded	Ferrite	-55 ~ 105	Active	Tape & Reel
ER1641-104KP	API Delevan Inc.	100 µH	160	3.12	Shielded	Ferrite	-55 ~ 105	Active	Tape & Reel
ER1641-104KR	API Delevan Inc.	100 µH	160	3.12	Unshielded	Ferrite	-55 ~ 105	Active	Tape & Reel

Engineering Selection Recommendations

All listed substitute parts satisfy the core electrical and mechanical requirements of the IMS05EB101K. Selection among active alternatives should prioritize the following factors:

1641R-104K (API Delevan Inc.): Active product status with bulk packaging. Current rating of 164 mA exceeds the original 160 mA specification. Identical DC resistance and operating temperature range. Suitable for direct replacement in standard production environments.

9250A-104-RC (Bourns Inc.): Active product with extended operating temperature range to 125°C, providing additional thermal margin beyond the original -55°C to 105°C specification. Bulk packaging format. Exact current rating match at 160 mA.

ER1641-104KM and ER1641-104KP (API Delevan Inc.): Active products supplied in tape and reel packaging, appropriate for automated assembly processes. Both maintain shielded configuration and identical electrical specifications. RoHS non-compliant status requires verification against end-application regulatory requirements.

ER1641-104KR (API Delevan Inc.): Active product with unshielded configuration. While electrical parameters match, the absence of shielding represents a functional deviation from the original shielded design. Selection requires confirmation that EMI containment is not a circuit requirement.

Frequently Asked Questions (FAQ)

Q: Can ER1641-104KR be used as a direct replacement for IMS05EB101K?

A: ER1641-104KR meets all electrical specifications but features an unshielded core versus the shielded design of the original part. Substitution is valid only if electromagnetic shielding is not required by the circuit design. Verify EMI performance requirements before selection.

Q: What is the difference between bulk and tape & reel packaging options?

A: Bulk packaging (1641R-104K, 9250A-104-RC) is suitable for manual assembly and small-volume applications. Tape & reel packaging (ER1641-104KM, ER1641-104KP, ER1641-104KR) is optimized for automated pick-and-place assembly processes. Electrical performance is identical; packaging choice depends on manufacturing process requirements.

Q: Are there compliance differences between substitute options?

A: The 1641R-104K, 9250A-104-RC, and ER1641-104KM/KP are ROHS3 compliant. ER1641-104KR is RoHS non-compliant. Applications subject to RoHS regulations must exclude ER1641-104KR. All parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: Does the extended temperature range of 9250A-104-RC provide any advantage?

A: The 9250A-104-RC operates to 125°C versus 105°C for the original part. This extended range provides additional thermal margin in applications approaching the upper temperature limit but does not alter electrical performance within the original operating envelope.

Q: Are physical dimensions identical across all substitute parts?

A: Yes. All substitute parts maintain the 0.162" diameter by 0.410" length (4.11mm x 10.41mm) axial package geometry, ensuring mechanical compatibility with existing PCB layouts and through-hole mounting patterns.

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