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SRP3012C-2R2M Equivalent & Substitute Parts
Part Overview
The SRP3012C-2R2M is a 2.2 µH shielded inductor manufactured by Bourns Inc., rated for 2.7 A continuous current with a maximum DC resistance of 115 mOhm. This surface mount component features a metal core construction and operates across the temperature range of -40°C to 125°C. The part is designated as Last Time Buy status, indicating that the original manufacturer has discontinued or will discontinue production. Identification of equivalent substitute parts is necessary to ensure continued component availability for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 2.2 µH |
| Inductance Tolerance | ±20% |
| Current Rating | 2.7 A |
| Current - Saturation (Isat) | 3.2 A |
| DC Resistance (DCR) | 115 mOhm Max |
| Shielding | Shielded |
| Operating Temperature Range | -40°C to 125°C |
| Mounting Type | Surface Mount |
| Package Dimensions | 3.50 mm L x 3.20 mm W x 1.20 mm H (Max) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the SRP3012C-2R2M is determined by strict equivalence across the following critical parameters:
Electrical Parameters:
- Inductance value: 2.2 µH
- Inductance tolerance: ±20%
- Current rating: 2.7 A minimum
- Saturation current (Isat): 3.2 A minimum
- DC resistance: 115 mOhm maximum
- Shielding requirement: Shielded construction
Mechanical Parameters:
- Mounting type: Surface Mount
- Package dimensions: 3.50 mm L x 3.20 mm W x 1.20 mm H (Max)
- Operating temperature range: -40°C to 125°C minimum
Compliance Parameters:
- RoHS3 compliance required
- Moisture Sensitivity Level: 1 (Unlimited)
The SRP3012CC-2R2M qualifies as a direct substitute because it meets or exceeds all specified electrical, mechanical, and compliance requirements while maintaining identical physical dimensions and environmental ratings.
Parameter Comparison
| Parameter | SRP3012C-2R2M (Main Part) | SRP3012CC-2R2M (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Identical |
| Inductance | 2.2 µH | 2.2 µH | Identical |
| Inductance Tolerance | ±20% | ±20% | Identical |
| Current Rating (Amps) | 2.7 A | 2.7 A | Identical |
| Current - Saturation (Isat) | 3.2 A | 3.2 A | Identical |
| DC Resistance (DCR) | 115 mOhm Max | 115 mOhm Max | Identical |
| Shielding | Shielded | Shielded | Identical |
| Operating Temperature | -40°C to 125°C | -40°C to 125°C | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| Package Dimensions | 3.50 mm L x 3.20 mm W x 1.20 mm H | 3.50 mm L x 3.20 mm W x 1.20 mm H | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Identical |
| Product Status | Last Time Buy | Active | Substitute is Active |
| Frequency - Self Resonant | 38 MHz | 45 MHz | Substitute Higher |
Engineering Selection Recommendations
The SRP3012CC-2R2M is the manufacturer-recommended substitute for the SRP3012C-2R2M. Selection of the substitute part is based on the following engineering criteria:
Product Status Consideration: The SRP3012C-2R2M carries Last Time Buy status, indicating end-of-life production. The SRP3012CC-2R2M maintains Active product status, ensuring continued availability and supply chain reliability for current and future production requirements.
Electrical Equivalence: Both parts deliver identical electrical performance across all critical parameters: 2.2 µH inductance, 2.7 A current rating, 3.2 A saturation current, and 115 mOhm maximum DC resistance. The substitute exhibits a higher self-resonant frequency (45 MHz versus 38 MHz), which provides improved high-frequency performance characteristics.
Compliance and Environmental Ratings: Both parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited), ensuring compatibility with modern manufacturing and environmental standards. Operating temperature ranges are identical across -40°C to 125°C.
Physical Compatibility: Package dimensions, mounting type, and form factor are identical, enabling direct board-level substitution without PCB redesign or assembly process modification.
Frequently Asked Questions (FAQ)
Q: Can the SRP3012CC-2R2M be used as a direct replacement for the SRP3012C-2R2M?
A: Yes. The SRP3012CC-2R2M meets all electrical, mechanical, and environmental specifications of the SRP3012C-2R2M. Physical dimensions, mounting type, and performance parameters are identical, enabling direct substitution at the component level.
Q: What is the difference between the SRP3012C-2R2M and SRP3012CC-2R2M?
A: The primary differences are core material composition and product status. The SRP3012C-2R2M uses metal core construction and is Last Time Buy. The SRP3012CC-2R2M uses carbonyl powder core construction and maintains Active product status. Both deliver identical electrical performance and physical form factor.
Q: Are there any frequency-dependent performance differences?
A: The SRP3012CC-2R2M exhibits a higher self-resonant frequency (45 MHz) compared to the SRP3012C-2R2M (38 MHz). This characteristic provides improved performance in high-frequency applications. At the specified test frequency of 100 kHz, both parts operate within equivalent parameters.
Q: Will the substitute part require PCB layout modifications?
A: No. The SRP3012CC-2R2M maintains identical package dimensions (3.50 mm L x 3.20 mm W x 1.20 mm H maximum height) and surface mount footprint. No PCB redesign is necessary.
Q: Are both parts RoHS compliant?
A: Yes. Both the SRP3012C-2R2M and SRP3012CC-2R2M are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), meeting current environmental and regulatory requirements.
Q: Why is the SRP3012C-2R2M designated as Last Time Buy?
A: Last Time Buy status indicates that the manufacturer has discontinued or will discontinue production of this part number. The SRP3012CC-2R2M is the active replacement, ensuring continued component availability for ongoing production and new designs.
Q: What is the current inventory status of each part?
A: The SRP3012C-2R2M has 4,257 pieces in stock (Last Time Buy). The SRP3012CC-2R2M has 990 pieces in stock (Active status). For long-term supply chain planning, the active substitute is recommended.
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