Is there a pin-compatible replacement for SP2105K32CKR6LC?

While several candidates share the same radial package, pin-to-pin compatibility requires verifying exact lead spacing and body dimensions from the datasheets. MP1105K44E7R8LC is a likely fit but needs confirmation.

What risks should I check before replacing SP2105K32CKR6LC?

Ensure the replacement is a Class X1 or X2 safety capacitor with a voltage rating of at least 320VAC. Also, confirm the capacitance is 1.0µF and that the physical dimensions match your PCB layout.

SP2105K32CKR6LC Alternatives, Datasheet & Cross Reference | Shenzhen Sincerity Technology Co., Ltd.

Finding a replacement for the SRD SP2105K32CKR6LC 1.0µF 320VAC X2 safety capacitor involves matching key electrical and safety parameters. We've analyzed several alternatives to identify the best options.

AI replacement insight

Electrical riskhigh

Using a non-safety cap or one with lower voltage is a critical failure.

Package riskmedium

Lead spacing and body size must be verified for drop-in compatibility.

Can it be replaced directly?

No exact drop-in replacement has been verified. The closest functional upgrade is MP1105K44E7R8LC, but requires checking physical fit. Other candidates have critical mismatches in voltage or application type.

Best replacement path

The SRD MP1105K44E7R8LC is a strong upgrade path, offering a higher voltage rating (440VAC) and a superior X1 safety class. However, physical dimensions must be verified.

Main risk

The main risk is using a capacitor not rated for X2 safety applications or with a lower voltage rating, which can lead to component failure and safety hazards.

Recommended alternatives

An upgrade with higher 440VAC rating and X1 safety class; verify physical dimensions for fit.

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Alternative comparison matrix

Feature / factor	SP2105K32CKR6LC	MP1105K44E7R8LC	C42Q2105K9SC000	Compatibility / risk
Voltage	320V	440V	305V	440V / 305V — Higher voltage rating provides more margin.; C42Q2105K9SC000: Candidate voltage is lower, posing a reliability risk.
Application	X2	X1	X2	X1 / X2 — Higher safety class (X1 can replace X2).; C42Q2105K9SC000: Safety class matches.
Capacitance	1.0µF	1.0µF	1.0µF	1.0µF — matched; C42Q2105K9SC000: matched
Package	Radial	Radial	Radial	Radial — Verify lead spacing and body size for fit.; C42Q2105K9SC000: Physical dimensions should be verified.
Tolerance	±10%	-	±10%	±10% — matched

Application & sourcing insights

Questions & answers

The SRD MP1105K44E7R8LC is an excellent alternative, functioning as an upgrade with a higher 440VAC rating and X1 safety class. Always verify physical dimensions before purchasing.