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Best Alternatives to TS-1145A-B-A

Package: SMDXKB ConnectionPushbutton SwitchesContact Rating: 50mA @ 12V DCOperating Force: 160gfTravel: 0.20 mmMounting Style: SMDCircuit: SPST-NO

TS-1145A-B-A is a 2-pin SMD tactile switch. No drop-in replacement is confirmed from the available fields.

AI replacement insight

Electrical risklow

Several match 12V 50mA SPST-NO.

Package riskhigh

Footprints and heights differ or are missing.

Firmware risklow

Passive switch; no protocol.

Sourcing riskmedium

All kept parts need FAE review.

Can it be replaced directly?

No pin-compatible replacement is proven.

Best replacement path

TP10321620 is the closest electrical and feel match, pending pin and footprint checks.

Main risk

Mechanical footprint and pinout are not verified.

Recommended alternatives

5
TP10321620 package
TP10321620

ROCPU Switches

Needs validationmedium risk

TP10321620 matches key ratings and feel, but mechanical fit is unverified.

View details

Alternative comparison matrix

Feature / factorTS-1145A-B-ATP10321620XDTD-0306-025AXDTD-0304-215Compatibility / risk
PackageSMD 4.2x3.2x2.5SMD 5.2x5.2x2.0SMD 6x3x2.5SMD 3x4x2.0SMD 5.2x5.2x2.0 / SMD 6x3x2.5 / SMD 3x4x2.0 / SMD 6x6x5 — size differs; XDTD-0306-025A: footprint differs; XDTD-0304-215: height differs; TP10721650: larger part
Pinout2-pinmissing2-pin2-pinmissing / 2-pin / 4-pin — no pin count; XDTD-0306-025A: pinout not shown; XDTD-0304-215: pinout not shown; TP10721650: not pin match
Voltage12V DC12V DC12V DC12V DC12V DC — rating matches; XDTD-0306-025A: rating matches; XDTD-0304-215: rating matches; TP10721650: rating matches
Current50mA50mA50mA50mA50mA — rating matches; XDTD-0306-025A: rating matches; XDTD-0304-215: rating matches; TP10721650: rating matches
Temperature-30 to +85C-30 to +80C---30 to +80C / missing — +85C gap; TP10721650: must verify
Application160gf, 0.20mm-missing50k cyclesmissing / 50k cycles — feel unknown; XDTD-0304-215: half life

Application & sourcing insights

Questions & answers

TP10321620 looks closest on rating, force, travel, and life, but pin count and footprint remain unverified.