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AISC-0402-27NJ-T Equivalent & Substitute Parts
Part Overview
The AISC-0402-27NJ-T is a 27 nH unshielded drum core wirewound inductor manufactured by Abracon LLC, designed for surface mount applications in the 0402 (1005 Metric) package. This component is rated for 400 mA continuous current with a maximum DC resistance of 300mOhm and operates across the temperature range of -40°C to 125°C. The part maintains active product status and is ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).
Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the same inductance value, current rating, package footprint, and operating temperature specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 27 nH |
| Inductance Tolerance | ±5% |
| Current Rating | 400 mA |
| DC Resistance (DCR) Maximum | 300mOhm |
| Package / Case | 0402 (1005 Metric) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40°C to 125°C |
| Core Type | Ceramic Drum Core, Wirewound |
| Shielding | Unshielded |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the AISC-0402-27NJ-T is determined by strict equivalence across the following critical parameters:
- Inductance value: 27 nH with ±5% tolerance
- Current rating: 400 mA minimum
- DC resistance: Not exceeding 300mOhm maximum
- Package footprint: 0402 (1005 Metric) surface mount
- Operating temperature range: -40°C to 125°C minimum
- Core construction: Ceramic drum core wirewound
- Shielding configuration: Unshielded
The substitute part LRW0402WJ27NGG001T meets all substitution criteria. Both parts share identical inductance specifications, current ratings, package dimensions, temperature operating range, and core material composition. The substitute maintains equivalent electrical performance within the specified tolerance band and compliance certifications.
Parameter Comparison
| Parameter | AISC-0402-27NJ-T (Abracon LLC) | LRW0402WJ27NGG001T (Johanson Technology Inc.) |
|---|---|---|
| Inductance | 27 nH | 27 nH |
| Inductance Tolerance | ±5% | ±5% |
| Current Rating (Amps) | 400 mA | 400 mA |
| DC Resistance (DCR) Maximum | 300mOhm | 298mOhm |
| Package / Case | 0402 (1005 Metric) | 0402 (1005 Metric) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature Range | -40°C to 125°C | -40°C to 125°C |
| Core Material | Ceramic | Ceramic |
| Type | Drum Core, Wirewound | Drum Core, Wirewound |
| Shielding | Unshielded | Unshielded |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both the AISC-0402-27NJ-T and LRW0402WJ27NGG001T maintain active product status and satisfy identical compliance requirements including ROHS3 certification and REACH unaffected status. The substitute part demonstrates equivalent electrical characteristics with DC resistance of 298mOhm, which remains within the 300mOhm maximum specification. Both components are classified as MSL 1 with unlimited moisture sensitivity rating, indicating no special handling requirements during storage or assembly.
Selection between these parts may be based on packaging format availability (Tape & Reel versus Cut Tape), inventory levels, or supply chain considerations, as electrical and mechanical specifications are equivalent.
Frequently Asked Questions (FAQ)
Q: Can LRW0402WJ27NGG001T be used as a direct replacement for AISC-0402-27NJ-T?
A: Yes. Both parts share identical inductance values, current ratings, package footprints, operating temperature ranges, and core construction. DC resistance specifications are equivalent within the defined maximum limits.
Q: Are there differences in package dimensions between these parts?
A: Both parts use the 0402 (1005 Metric) surface mount package. The AISC-0402-27NJ-T measures 0.047" L x 0.025" W with 0.026" maximum seated height. The LRW0402WJ27NGG001T measures 0.039" L x 0.022" W with 0.024" maximum seated height. These dimensional variations remain within the 0402 package specification and do not affect PCB footprint compatibility.
Q: What is the difference between Tape & Reel and Cut Tape packaging?
A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape packaging is supplied in shorter tape segments for manual handling or smaller production runs. Both formats contain identical components.
Q: Do both parts require special moisture handling?
A: No. Both parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity precautions are necessary during storage, handling, or assembly.
Q: Are there compliance differences between these parts?
A: No. Both parts are ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements.
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