Equivalent & Substitute Parts Reference for IMS05EB150K

Part Overview

IMS05EB150K is a fixed, shielded molded inductor from Vishay Dale with a 15 µH inductance, 315 mA current rating, and 800 mOhm maximum DC resistance, offered in an axial through-hole package. This part is identified as obsolete, and it is necessary to identify direct alternatives to ensure ongoing designs, repairs, or inventory replacement for existing assemblies using this component.

Key Parameters

Parameter	Value
Inductance	15 µH
Tolerance	±10%
Current Rating (Amps)	315 mA
Current - Saturation (Isat)	250 mA
Shielding	Shielded
DC Resistance (DCR)	800 mOhm Max
Q @ Freq	45 @ 2.5MHz
Frequency - Self Resonant	49 MHz
Material - Core	Ferrite
Operating Temperature	-55°C ~ 105°C
Mounting Type	Through Hole
Package / Case	Axial
Size / Dimension	0.162" Dia x 0.410" L (4.11mm x 10.41mm)
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts are identified strictly by matching all key electrical, mechanical, and compliance parameters. Each alternative part has the same inductance (15 µH), tolerance (±10%), DC resistance (800 mOhm max), Q factor and self-resonant frequency, core material (ferrite), and mounting/package details (axial, through hole, identical dimensions). Shielding is matched except where unshielded versions are explicitly indicated. Only parts matching the specified operating temperature, RoHS, and REACH compliance are included as substitutes.

Key matching parameters:

Inductance value
Tolerance
Current rating and saturation
Shielding type
DC resistance
Q factor at test frequency
Resonant frequency
Core material
Operating temperature range
Mounting method and package/case
Mechanical dimensions
RoHS and REACH status

Parameter Comparison

Manufacturer Part Number	Manufacturer	Inductance	Tolerance	Current Rating (Amps)	Current - Saturation (Isat)	Shielding	DC Resistance (DCR)	Q @ Freq	Frequency - Self Resonant	Material - Core	Operating Temperature	Mounting Type	Package / Case	Size / Dimension	RoHS Status	REACH Status
IMS05EB150K	Vishay Dale	15 µH	±10%	315 mA	250 mA	Shielded	800 mOhm Max	45 @ 2.5MHz	49 MHz	Ferrite	-55°C ~ 105°C	Through Hole	Axial	0.162" x 0.410"	ROHS3 Compliant	REACH Unaffected
1641R-153K	API Delevan Inc.	15 µH	±10%	325 mA	250 mA	Shielded	800 mOhm Max	45 @ 2.5MHz	49 MHz	Ferrite	-55°C ~ 105°C	Through Hole	Axial	0.162" x 0.410"	ROHS3 Compliant	REACH Unaffected
9250A-153-RC	Bourns Inc.	15 µH	±10%	315 mA	250 mA	Shielded	800 mOhm Max	45 @ 2.5MHz	49 MHz	Ferrite	-55°C ~ 125°C	Through Hole	Axial	0.162" x 0.410"	ROHS3 Compliant	REACH Unaffected
ER1641-153KM	API Delevan Inc.	15 µH	±10%	315 mA	-	Shielded	800 mOhm Max	45 @ 2.5MHz	49 MHz	Ferrite	-55°C ~ 105°C	Through Hole	Axial	0.162" x 0.410"	RoHS non-compliant	REACH Unaffected
ER1641-153KP	API Delevan Inc.	15 µH	±10%	315 mA	-	Shielded	800 mOhm Max	45 @ 2.5MHz	49 MHz	Ferrite	-55°C ~ 105°C	Through Hole	Axial	0.162" x 0.410"	RoHS non-compliant	REACH Unaffected
ER1641-153KR	API Delevan Inc.	15 µH	±10%	315 mA	-	Unshielded	800 mOhm Max	45 @ 2.5MHz	49 MHz	Ferrite	-55°C ~ 105°C	Through Hole	Axial	0.162" x 0.410"	RoHS non-compliant	REACH Unaffected

Engineering Selection Recommendations

Selection of substitute parts for IMS05EB150K should be based on electrical parameter equivalence, compliance status, and product availability. Substitutes that are ROHS3 compliant and have an active product status are compatible with applications requiring environmental certification. Where RoHS compliance is not required, ER1641-153KM, ER1641-153KP, and ER1641-153KR are also suitable based on electrical and mechanical parameters. Packaging format and shielded/unshielded options should be considered where application mandates exact shielding type or compliance.

Frequently Asked Questions (FAQ)

Q1: What are the key parameters for substituting IMS05EB150K?
Key parameters are inductance value, tolerance, current rating, DC resistance, shielding, Q factor at test frequency, resonance, core material, package type, mounting, operating temperature range, mechanical dimensions, and compliance certifications.

Q2: Are all listed substitutes RoHS compliant?
Only IMS05EB150K, 1641R-153K, and 9250A-153-RC are ROHS3 compliant. ER1641 variants are not RoHS compliant.

Q3: Do substitute parts differ in mechanical dimensions or mounting type?
All listed alternatives have the same axial package, through-hole mounting, and identical mechanical dimensions.

Q4: Is shielded construction mandatory for substitution?
If shielding is essential in the application, only shielded substitutes should be selected. ER1641-153KR is unshielded and should only be used where unshielded construction is permitted.

Q5: Are operating temperature ranges different among substitutes?
9250A-153-RC supports an extended range up to 125°C, while other substitutes match the original's -55°C to 105°C range.

Q6: How does packaging affect substitute selection?
Substitutes are available in bulk and tape & reel packaging. Selection should match assembly and logistics requirements.

Q7: Are all substitutes active and available?
All substitutes except the main part are listed as active and are available with current inventory, essential for replacement scenarios.

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