Is there a pin-compatible replacement for SDFL2012LR82KTF?

While FHW0805UFR82JST shares the same 0805 package and pinout, it is not a guaranteed drop-in replacement. Differences in electrical characteristics like Q-factor and construction type require engineering validation.

What risks should I check before replacing SDFL2012LR82KTF?

Key risks include: 1) Inductor construction (multilayer vs. wire-wound) affecting EMI and high-frequency response. 2) Q-factor differences impacting filter sharpness. 3) Saturation current, which is often unspecified.

SDFL2012LR82KTF Alternatives, Datasheet & Cross Reference | Shenzhen Sunlord Electronics Co., Ltd.

Finding a replacement for the Sunlord SDFL2012LR82KTF 820nH inductor involves matching its 0805 package, current rating, and DCR. Several alternatives exist but require careful review of construction type and Q-factor.

AI replacement insight

Electrical riskmedium

Secondary parameters (Q-factor, construction) differ, potentially affecting filter or RF performance.

Package risklow

Multiple candidates are available in the same 0805 package.

Can it be replaced directly?

No verified direct drop-in replacement has been identified. FHW0805UFR82JST is a strong candidate but has a different construction and lower Q-factor, requiring engineering review.

Best replacement path

The closest candidates are form-fit-function matches like FHW0805UFR82JST, which require verifying secondary parameters like Q-factor and construction type.

Main risk

The primary risk is functional mismatch due to differences in inductor construction (multilayer vs. wire-wound) and Q-factor, which can impact high-frequency performance.

Recommended alternatives

Form-fit candidate with matching inductance and higher current, but different construction and lower Q-factor.

View details

Alternative comparison matrix

Feature / factor	SDFL2012LR82KTF	FHW0805UFR82JST	CMI201209VR68KT	Compatibility / risk
Package	0805 (2012 Metric)	0805	0805 (2012 metric)	0805 / 0805 (2012 metric) — Form factor matches.; CMI201209VR68KT: Form factor matches.
Inductance	820 nH	820 nH	680 nH	820 nH / 680 nH — Inductance value matches.; CMI201209VR68KT: Inductance is ~17% lower.
Current	150 mA	500 mA	150 mA	500 mA / 150 mA — Higher current rating is a safe upgrade.; CMI201209VR68KT: Rated current matches.
Dcr	0.8 Ω	0.8 Ω	0.65 Ω	0.8 Ω / 0.65 Ω — DC resistance matches.; CMI201209VR68KT: Lower DCR is an improvement.
Construction	Multilayer	Wire-wound	Multilayer	Wire-wound / Multilayer — Different construction may affect HF performance.; CMI201209VR68KT: Construction type matches.
Q Factor	25 min	10 @ 25.2MHz	-	10 @ 25.2MHz — Lower Q may impact filter performance.

Application & sourcing insights

Questions & answers

FHW0805UFR82JST is a strong candidate, offering the same 820nH inductance and 0805 package with a higher current rating. However, its wire-wound construction and lower Q-factor must be evaluated for your specific application.