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IM02EB220K Equivalent & Substitute Parts
Part Overview
The IM02EB220K is a 22 µH unshielded molded inductor manufactured by Vishay Dale, rated for 140 mA with a maximum DC resistance of 3.3 Ohm. This through-hole axial 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 for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 22 µH |
| Tolerance | ±10% |
| Current Rating | 140 mA |
| DC Resistance (Max) | 3.3 Ohm |
| Core Material | Iron |
| Shielding | Unshielded |
| Mounting Type | Through Hole |
| Package | Axial |
| Operating Temperature | -55°C to 105°C |
| Q @ Frequency | 50 @ 2.5 MHz |
| Self Resonant Frequency | 25 MHz |
| Physical Dimensions | 0.095" Dia x 0.250" L (2.41mm x 6.35mm) |
Substitute Part Grouping Explanation
Substitution eligibility for the IM02EB220K is determined by the following critical parameters:
- Inductance value: 22 µH (exact match required)
- Tolerance: ±10% (exact match required)
- Current rating: minimum 140 mA
- DC resistance: maximum 3.3 Ohm
- Core material: Iron (unshielded)
- Mounting type: Through Hole Axial
- Physical dimensions: 0.095" Dia x 0.250" L
- Operating temperature range: -55°C to 105°C
- Q factor and self-resonant frequency characteristics
The substitute parts listed below meet all electrical and mechanical parameters required for direct replacement in applications designed for the IM02EB220K.
Parameter Comparison
| Parameter | IM02EB220K (Vishay Dale) | 1025R-52K (API Delevan) | ER1025-52KM (API Delevan) | ER1025-52KP (API Delevan) |
|---|---|---|---|---|
| Inductance | 22 µH | 22 µH | 22 µH | 22 µH |
| Tolerance | ±10% | ±10% | ±10% | ±10% |
| Current Rating (mA) | 140 | 144 | 140 | 140 |
| DC Resistance (Max) | 3.3 Ohm | 3.3 Ohm | 3.3 Ohm | 3.3 Ohm |
| Core Material | Iron | Iron | Iron | Iron |
| Shielding | Unshielded | Unshielded | Unshielded | Unshielded |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial | Axial |
| Physical Dimensions | 0.095" Dia x 0.250" L | 0.095" Dia x 0.250" L | 0.095" Dia x 0.250" L | 0.095" Dia x 0.250" L |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C |
| Q @ Frequency | 50 @ 2.5 MHz | 50 @ 2.5 MHz | 50 @ 2.5 MHz | 50 @ 2.5 MHz |
| Self Resonant Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Product Status | Obsolete | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | RoHS Non-Compliant | RoHS Non-Compliant |
| Packaging | Bulk | Bulk | Tape & Reel (TR) | Tape & Reel (TR) |
Engineering Selection Recommendations
For applications requiring RoHS3 compliance, the 1025R-52K from API Delevan Inc. is the primary substitute for the obsolete IM02EB220K. This part maintains identical electrical specifications while offering active product status and full RoHS3 compliance. The 1025R-52K is supplied in bulk packaging and provides a current rating of 144 mA, which exceeds the original 140 mA requirement.
The ER1025-52KM and ER1025-52KP variants are functionally equivalent alternatives from API Delevan Inc., both supplied in Tape & Reel packaging. These parts match the original electrical specifications exactly but carry RoHS non-compliant status. Selection between these variants depends on packaging requirements and compliance mandates for the end application.
All three substitute parts are manufactured by API Delevan Inc., share identical electrical and mechanical characteristics with the IM02EB220K, and are currently in active production status.
Frequently Asked Questions (FAQ)
Q: Can the 1025R-52K be used as a direct replacement for the IM02EB220K?
A: Yes. The 1025R-52K meets all electrical and mechanical parameters of the IM02EB220K, including inductance (22 µH), tolerance (±10%), current rating (144 mA, exceeding the original 140 mA), DC resistance (3.3 Ohm max), core material (iron), shielding (unshielded), mounting type (through hole axial), physical dimensions (0.095" Dia x 0.250" L), and operating temperature range (-55°C to 105°C).
Q: What is the difference between 1025R-52K, ER1025-52KM, and ER1025-52KP?
A: The primary differences are packaging format and RoHS compliance status. The 1025R-52K is supplied in bulk packaging and is RoHS3 compliant. The ER1025-52KM and ER1025-52KP are supplied in Tape & Reel packaging and are RoHS non-compliant. All three parts have identical electrical specifications.
Q: Does packaging format affect electrical performance?
A: No. Bulk and Tape & Reel packaging formats do not affect the electrical or mechanical performance of the inductor. Packaging selection is determined by assembly process requirements and inventory management practices.
Q: Are there any current rating differences between substitutes?
A: The 1025R-52K is rated for 144 mA, while the ER1025-52KM and ER1025-52KP are rated for 140 mA. All exceed or match the original IM02EB220K specification of 140 mA.
Q: What compliance certifications apply to these parts?
A: The IM02EB220K and 1025R-52K are ROHS3 compliant. The ER1025-52KM and ER1025-52KP are RoHS non-compliant. All parts are REACH unaffected and classified under ECCN EAR99.
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