Is there a pin-compatible replacement for RS2057XH?

No pin-compatible replacement has been confirmed. While RS2103XH shares the SOT23-6 package, its pinout must be verified and its performance (30MHz bandwidth) is much lower than the target's (300MHz).

What risks should I check before replacing RS2057XH?

The primary risk is performance degradation. The candidate's bandwidth is only 30MHz versus the target's 300MHz. You must verify the pinout and test the part in-circuit to ensure signal integrity.

RS2057XH Alternatives, Datasheet & Cross Reference | NI

RS2057XH is a high-bandwidth (300MHz) SPDT analog switch in a SOT23-6 package. Finding a suitable replacement requires careful matching of its electrical performance, especially for high-frequency applications.

AI replacement insight

Electrical riskhigh

10x lower bandwidth will likely cause signal degradation in the target application.

Package risklow

Package and pin count match, but pinout requires verification.

Firmware risklow

Analog switches typically do not require firmware changes.

Can it be replaced directly?

No direct, drop-in replacement is identified. RS2103XH is a functional alternative but has major performance limitations in speed and bandwidth.

Best replacement path

Search for SPDT analog switches in a SOT23-6 package with at least 300MHz bandwidth.

Main risk

Signal integrity issues due to the candidate's significantly lower bandwidth and slower switching speed.

Recommended alternatives

Functional alternative in the same package, but with significantly lower bandwidth and slower speed.

View details

Alternative comparison matrix

Feature / factor	RS2057XH	RS2103XH	Compatibility / risk
Package	SOT23-6	SOT23-6	SOT23-6 — Package matches.
Voltage	1.8V to 5.5V	1.8V to 5.5V	1.8V to 5.5V — Supply voltage range matches.
Temperature	-40°C to +125°C	-40°C to +125°C	-40°C to +125°C — Operating temperature range matches.
Interface	30 ns	50 ns	50 ns — Switching time is slower.
Resistance	4.5 Ω	0.6 Ω	0.6 Ω — ON-resistance is lower (better).

Application & sourcing insights

Questions & answers

RS2103XH is a potential functional alternative if your application does not require high speed or bandwidth. For performance-critical designs, a new part search is recommended.