TFM322512ALMA4R7MTAA Inductor – TDK 4.7µH Thin Film 1.9A
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TFM322512ALMA4R7MTAA Inductor | TDK 4.7µH Thin-Film, 1.9A, AEC-Q200
The TFM322512ALMA4R7MTAA is an automotive-grade TDK thin-film power inductor engineered for the harsh environments and high-frequency power circuits found in modern vehicle and industrial electronics. AEC-Q200 certified, the part delivers high efficiency and durability across the operating envelope demanded by engine control units, ADAS sensor modules, infotainment systems, and industrial automation.
Built on TDK's thin-film technology, the inductor offers 4.7µH inductance (±20%) with an ultra-low 151mΩ DCR that minimises power loss in high-current circuits. Rated current is 1.9A with 2.2A saturation — enough headroom for the surges typical of motor drives and DC-DC converter output stages. The compact 1210 footprint (3.2mm × 2.5mm) keeps it space-efficient on dense PCB layouts.
151mΩ DCR & 2.2A Saturation Current — Reliable Performance Under Extreme Conditions
- 4.7µH inductance (±20%) with ultra-low 151mΩ DCR — minimises power loss in high-current circuits.
- 1.9A rated current (2.2A saturation) — handles surges in motor drives and DC-DC converter output stages.
- AEC-Q200 certified — withstands vibration, thermal cycling (-55°C to +150°C), and long-term operation.
- Compact 1210 package — saves space in dense PCB layouts.
- Thin-film technology — ensures stable frequency response up to 1MHz, ideal for switching power supplies.
- RoHS-compliant — aligned with global environmental standards.
Why Engineers Specify This Inductor
The TFM322512ALMA4R7MTAA brings automotive reliability into industrial and infrastructure designs: it meets the stringent requirements of EV powertrains, ADAS sensors, and infotainment systems, while serving as the workhorse inductor in PLC power modules, robotics, and HVAC control units. Typical applications include voltage regulation in 48V automotive systems, noise suppression for CAN / LIN bus networks, and power filtering in industrial servo drives — anywhere a small, durable, low-loss inductor needs to handle a low-amp-but-high-frequency rail.
TFM322512ALMA4R7MTAA Specifications
| Parameter | Specification |
|---|---|
| Inductance | 4.7µH (±20%) |
| DCR (Max) | 151mΩ |
| Rated Current | 1.9A |
| Saturation Current | 2.2A |
| Package Size | 1210 (3.2mm × 2.5mm) |
| Temperature Range | -55°C to +150°C |
| Certification | AEC-Q200, RoHS |
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