Manufacturer: TDK Corporation
Win Source Part Number: 1257936-SPM4012T-2R2
Series: SPM-LR
Packaging: Reel - TR
Type: Wirewound
Operating Temperature Range: -40°C ~ 125°C
Package: Nonstandard
Current Rating: 3.1A
Shielding: Shielded
Inductance: 2.2μH
Mounting: SMD
Tolerance: ±20%
Material - Core: Metal
Current - Saturation: 4.8A
Test Frequency: 100kHz
Size: 0.173" L x 0.161" W (4.40mm x 4.10mm)
Categories: Inductors, Coils, Chokes
DC Resistance (DCR): 85.4 mOhm Max
Manufacturer Homepage: www.tdk.com
Height - Seated (Maximum): 0.047" (1.20mm)
Alternative Parts (Cross-Reference): ML466PJB222MLZ; ASPI-0418FS-2R2M-T2;
Estimated EOL Date: 2026
Popularity: Medium
Fake Threat In the Open Market: 91 pct.
Supply and Demand Status: Balance
FIXED IND 2.2UH 3.1A 85.4MOHM SM Product overview: SPM4012T-2R2M-LR from TDK Corporation is an Inductor and Choke for power conversion, EMI filtering, RF circuits, signal conditioning, and energy storage in switching supplies. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 2.2UH, 3.1A, 85.4MOHM. Search-friendly keywords include inductor, choke, ferrite bead, power conversion, EMI, 2.2UH, 3.1A, 85.4MOHM, Inductor and Choke, Fixed Inductors. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 71-SPM4012T-2R2M-LR can be used for catalog matching and distributor lookup.
2.2µH Shielded Wirewound Inductor 3.1A 85.4mOhm Max Nonstandard
2.2µH Shielded Wirewound Inductor 3.1A 85.4mOhm Max Nonstandard
2.2µH Shielded Wirewound Inductor 3.1A 85.4mOhm Max Nonstandard
FIXED IND 2.2UH 3.1A 85.4MOHM SM
INDUCTOR, WIREWOUND, 2.2UH, 3.1A, 20%; Inductance:2.2µH; RMS Current (Irms):3.1A; Inductor Construction:Shielde
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | Newark, An Avnet Company | |
|---|---|---|---|---|---|
| Product Category | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes | Inductors, Coils, and Chokes |
| Product Number | 1257936-SPM4012T-2R2M-LR | 71-SPM4012T-2R2M-LR | 445-174461-1-ND | SPM4012T-2R2M-LR | 84Y6566 |
| Product Name | Fixed Inductors - SPM4012T-2R2M-LR | 2.2UH 3.1A 85.4MOHM Inductor and Choke | Fixed Inductors | Fixed Inductors | Inductor, Wirewound, 2.2Uh, 3.1A, 20%; Inductance Tdk |
| Operating Temperature | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | -40 to 125 C (-40 to 257 F) | |
| Mounting Option | Surface Mount Technology | Surface Mount | Surface Mount Technology | Surface Mount Technology; Surface Mount | Surface Mount Technology |
| Technology | Standard; Wirewound | Drum Core, Wirewound | Wirewound; Drum Core, Wirewound | Wirewound | |
| Application | RF Choke | ||||
| Inductance Range | 2.2 microH | 2.2 microH | 2.2 microH | 2.2 microH |
