Is there a pin-compatible replacement for FHW0805UFR82JST?

While several 0805 package inductors are pin-compatible, no exact electrical match was found. All candidates have different key parameters like inductance or current rating.

What risks should I check before replacing FHW0805UFR82JST?

Verify the circuit's tolerance for changes in inductance. Also, ensure the replacement's current rating is at least 500mA and its SRF is suitable for your operating frequency.

FHW0805UFR82JST Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

FHW0805UFR82JST is a high-frequency 820nH wire-wound inductor in a standard 0805 package. Finding a substitute requires matching inductance, current rating (500mA), and SRF (400MHz).

AI replacement insight

Electrical riskhigh

Inductance, current, and SRF are critical. Mismatches will affect circuit performance.

Package risklow

The 0805 package is standard, ensuring physical compatibility for most alternatives.

Sourcing riskmedium

While many 0805 inductors exist, finding one with this specific combination of parameters can be challenging.

Can it be replaced directly?

There are no direct, pin-to-pin replacements for FHW0805UFR82JST in this catalog that match all key parameters. Alternatives require careful review.

Best replacement path

No direct drop-in replacement found. FHW0805UCR68JGT is a potential alternative with lower inductance that requires engineering validation.

Main risk

The main risk is mismatch in inductance or current rating, which can lead to circuit malfunction or component failure.

Recommended alternatives

A form-fit inductor with better DCR and SRF, but a lower inductance value (680nH vs 820nH). Requires circuit validation.

View details

Alternative comparison matrix

Feature / factor	FHW0805UFR82JST	FHW0805UCR68JGT	SDFL2012LR82KTF	Compatibility / risk
Package	0805	0805	0805 (2012 Metric)	0805 / 0805 (2012 Metric) — Form factor matches.; SDFL2012LR82KTF: Form factor matches.
Inductance	820 nH	680 nH	820 nH	680 nH / 820 nH — Inductance is ~17% lower.; SDFL2012LR82KTF: Inductance value matches.
Current	500 mA	500 mA	150 mA	500 mA / 150 mA — Current rating matches.; SDFL2012LR82KTF: Significantly lower current rating.
Dcr	0.8 Ω	0.38 Ω	-	0.38 Ω — Lower DCR is an improvement.
Srf	400 MHz	1450 MHz	100 MHz	1450 MHz / 100 MHz — Higher SRF is an improvement.; SDFL2012LR82KTF: Significantly lower self-resonant frequency.
Tolerance	±5%	-	±10%	±10% — Wider tolerance.

Application & sourcing insights

Questions & answers

FHW0805UCR68JGT is a close alternative with a higher SRF and lower DCR, but its inductance is lower at 680nH. This change requires engineering review.