Is there a pin-compatible replacement for SPT1EM681F12OR?

Several parts like SPT1EM471F12OR share the same package and pinout but have 31% lower capacitance (470µF vs 680µF), making them unsuitable for most applications without re-evaluation.

What risks should I check before replacing SPT1EM681F12OR?

The main risk is functional failure due to incorrect capacitance; many similar parts are 470µF, not 680µF. Also check for package differences (through-hole vs. surface-mount) and operating temperature range.

SPT1EM681F12OR Alternatives, Datasheet & Cross Reference | Fujian Yunxing Electronics Co., Ltd.

Find and compare alternatives for the Yunxing SPT1EM681F12OR, a 680µF 25V radial aluminum electrolytic capacitor. Review key parametric differences and package variations before selection.

AI replacement insight

Electrical riskhigh

Many alternatives have 31% lower capacitance, which can cause circuit malfunction.

Package riskhigh

Some functional matches require a board redesign (SMD vs. through-hole).

Can it be replaced directly?

No direct, pin-to-pin, fully-equivalent replacement was identified in this review.

Best replacement path

Functional alternate requiring board redesign (SMD) or a parametric downgrade with lower capacitance.

Main risk

Significant capacitance mismatch in physically similar parts is the primary risk.

Recommended alternatives

Functionally similar with matching capacitance but is a surface-mount part, not a through-hole replacement.

View details

Alternative comparison matrix

Feature / factor	SPT1EM681F12OR	RVT1V681M1213	SPT1EM471F12OR	GR477M025F12RR0VH4FP0	Compatibility / risk
Package	Radial, 8mm x 12mm	12.5mm x 13.5mm	Radial, 8mm x 12mm	Radial, 8mm x 12mm	12.5mm x 13.5mm / Radial, 8mm x 12mm — Candidate is Surface Mount (SMD), target is Radial Through-Hole.; SPT1EM471F12OR: Form and fit match.; GR477M025F12RR0VH4FP0: Form and fit match.
Capacitance	680µF	680µF	470µF	470µF	680µF / 470µF — matched; SPT1EM471F12OR: Candidate capacitance is ~31% lower.; GR477M025F12RR0VH4FP0: Candidate capacitance is ~31% lower.
Voltage	25V	35V	25V	-	35V / 25V — Higher voltage rating provides more margin.; SPT1EM471F12OR: matched
Temperature	-55°C to +105°C	-40°C to +105°C	-55°C to +105°C	-40°C to +105°C	-40°C to +105°C / -55°C to +105°C — Reduced low-temperature operating margin.; SPT1EM471F12OR: matched; GR477M025F12RR0VH4FP0: Reduced low-temperature operating margin.
Lifetime	2000hrs @ 105°C	-	-	3000hrs @ 105°C	3000hrs @ 105°C — Longer rated endurance.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. RVT1V681M1213 is a functional match but requires a board redesign for its SMD package. Other candidates have significantly lower capacitance.