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Best Alternatives to 1239AS-H-4R7M=P2

Package: 2520Murata Manufacturing Co., Ltd.ChokesInductance: 4.7 µHTolerance: ±20%Saturation Current (Isat): 1500 mATemperature Rise Current (Itemp): 1300 mADC Resistance (Max): 0.24 Ω

Murata's 1239AS-H-4R7M=P2 is a 4.7µH shielded power inductor for general power applications. Several modern alternatives from Murata's DFE series offer upgraded performance in the same 2520 package.

AI replacement insight

Electrical risklow

Replacements have better current, DCR, and temperature specs.

Package risklow

All top candidates use the same 2520 package footprint.

Sourcing risklow

Multiple upgraded alternatives are available from the same manufacturer.

Can it be replaced directly?

Yes, several direct replacements exist with superior electrical characteristics, such as DFE252012PD-4R7M=P2.

Best replacement path

Upgrade to a Murata DFE series inductor like DFE252012P-4R7M=P2 for better overall performance.

Main risk

The primary risk is minimal, as replacements offer better performance. However, subtle changes in dynamic response could affect sensitive circuits.

Recommended alternatives

3
DFE252012P-4R7M=P2 package
DFE252012P-4R7M=P2

Murata Electronics

Needs validationlow risk

Offers higher current ratings (2.0A Isat), lower DCR (0.20Ω), and a wider operating temperature range up to 125°C.

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Alternative comparison matrix

Feature / factor1239AS-H-4R7M=P2DFE252012P-4R7M=P2DFE252012PD-4R7M=P2DFE252010F-4R7M=P2Compatibility / risk
Inductance4.7µH4.7µH4.7µH4.7µH4.7µH — Inductance matches target.; DFE252012PD-4R7M=P2: Inductance matches target.; DFE252010F-4R7M=P2: Inductance matches target.
Resistance0.24Ω0.20Ω0.20Ω0.24Ω0.20Ω / 0.24Ω — Lower DCR improves efficiency.; DFE252012PD-4R7M=P2: Lower DCR improves efficiency.; DFE252010F-4R7M=P2: DCR matches target's maximum.
Current1.5A (Isat)2.0A (Isat)1.9A (Isat)1.9A (Isat)2.0A (Isat) / 1.9A (Isat) — Significantly higher saturation current.; DFE252012PD-4R7M=P2: Higher saturation current provides more headroom.; DFE252010F-4R7M=P2: Higher saturation current.
Temperature-40°C to 85°C-40°C to 125°C-40°C to 125°C-40°C to 125°C-40°C to 125°C — Wider operating temperature range.; DFE252012PD-4R7M=P2: Wider operating temperature range.; DFE252010F-4R7M=P2: Wider operating temperature range.
Package252025202520 (1008)2520 (1.0mm height)2520 / 2520 (1008) / 2520 (1.0mm height) — Package size is identical.; DFE252012PD-4R7M=P2: Package size is identical.; DFE252010F-4R7M=P2: Same footprint, lower profile.

Application & sourcing insights

Questions & answers

Parts from Murata's DFE252012P and DFE252010F series, like DFE252012P-4R7M=P2, offer higher current ratings, lower resistance, and a wider temperature range in the same package size.