IMC1210EB470K Equivalent & Substitute Parts

Part Overview

The IMC1210EB470K is a 47 µH unshielded drum core wirewound inductor manufactured by Vishay Dale, designed for surface mount applications in the 1210 (3225 Metric) package. This component is rated for 91 mA maximum current with 9Ω maximum DC resistance and operates across the temperature range of -55°C to 125°C. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit operation within the electrical and mechanical tolerances of alternative manufacturers' offerings.

Substiute Parts

IMC1210EB470K

Vishay DaleIn Stock: 906IMC1210EB470K Datasheet

Current PartRFQ

CM322522-470JL

Bourns Inc.In Stock: 20208CM322522-470JL Datasheet

MFR RecommendedRFQ

CM322522-470KL

Bourns Inc.In Stock: 17420CM322522-470KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IMC1210EB470K is determined by the following critical parameters:

Mandatory Matching Parameters:

• Inductance value: 47 µH (exact match required)
• Inductance tolerance: ±10% or tighter
• Core type: Drum core, wirewound construction
• Shielding: Unshielded
• Mounting type: Surface Mount
• Package footprint: 1210 (3225 Metric) physical dimensions

Allowable Variation Parameters:

• Current rating: Substitute must support minimum 91 mA (equal or greater acceptable)
• DC resistance: Substitute must not exceed 9Ω maximum
• Operating temperature: Substitute range must encompass or exceed -55°C to 125°C
• Core material: Iron powder or ferrite acceptable for this application class
• Manufacturer: Any qualified manufacturer meeting above criteria

The two Bourns Inc. CM322522 series parts meet these substitution criteria with equivalent inductance, matching physical dimensions, and compatible electrical characteristics within the specified tolerance bands.

Parameter Comparison

Engineering Selection Recommendations

Both Bourns CM322522 series inductors are Active status components with full RoHS3 compliance and REACH unaffected designation, matching the regulatory posture of the primary IMC1210EB470K part.

CM322522-470JL Selection Criteria: This variant offers ±5% inductance tolerance (tighter than the ±10% primary specification) and maintains MSL 1 moisture sensitivity rating identical to the IMC1210EB470K. The 75 mA current rating is lower than the primary part's 91 mA specification; this substitution is valid only when circuit design confirms maximum operating current does not exceed 75 mA. The 7Ω maximum DC resistance is superior to the 9Ω primary specification.

CM322522-470KL Selection Criteria: This variant matches the ±10% inductance tolerance of the primary part and provides equivalent 7Ω maximum DC resistance. The MSL 3 (168 Hours) moisture sensitivity rating requires controlled storage and handling procedures compared to the unlimited MSL 1 rating of the primary part. The 75 mA current rating limitation applies identically to the -470JL variant.

Temperature Range Consideration: Both Bourns substitutes operate to -40°C minimum, which is 15°C warmer than the IMC1210EB470K specification of -55°C. Substitution is valid only when circuit design confirms minimum operating temperature remains above -40°C.

Frequently Asked Questions (FAQ)

Q: Can CM322522-470JL or CM322522-470KL be used as direct drop-in replacements for IMC1210EB470K?

A: Physical footprint compatibility is confirmed; both substitute parts match the 1210 (3225 Metric) package dimensions within tolerance. Electrical compatibility requires verification that circuit maximum current does not exceed 75 mA and minimum operating temperature remains above -40°C.

Q: What is the difference between CM322522-470JL and CM322522-470KL?

A: The primary differences are inductance tolerance (±5% versus ±10%) and moisture sensitivity level (MSL 1 unlimited versus MSL 3 168 hours). Both parts share identical inductance value, current rating, DC resistance, and core specifications. Packaging differs: -470JL is supplied in Tape & Reel format while -470KL uses Cut Tape & Digi-Reel format.

Q: Why do the substitute parts have lower current ratings (75 mA) than the primary part (91 mA)?

A: The Bourns CM322522 series uses ferrite core material while the Vishay Dale IMC1210 uses iron powder core material. These different core materials result in different saturation characteristics and current handling capabilities. Substitution is valid only when design requirements permit operation within the 75 mA maximum current limit.

Q: Are there temperature range limitations when using substitute parts?

A: Yes. Both Bourns substitutes specify -40°C to 125°C operating range, compared to the primary part's -55°C to 125°C range. Substitution is valid only when the circuit design confirms minimum operating temperature will not fall below -40°C.

Q: What does MSL 3 (168 Hours) mean for the CM322522-470KL?

A: MSL 3 indicates the component can absorb moisture for up to 168 hours at specified humidity conditions before soldering. This requires controlled storage in dry-pack conditions and limits the time window between package opening and reflow soldering. The primary IMC1210EB470K with MSL 1 (Unlimited) has no such time restriction.

Q: Do all three parts meet RoHS and REACH compliance requirements?

A: Yes. The IMC1210EB470K, CM322522-470JL, and CM322522-470KL are all RoHS3 compliant and REACH unaffected, confirming equivalent regulatory status for applications requiring these certifications.