What should engineers review before using TP72021?

Verify the required load current, PCB land pattern, actuator travel, mating mechanics, and environmental/compliance requirements. The datasheet specifies voltage and resistance limits but does not provide a current rating or compliance declaration.

What is the pinout of TP72021?

Use the TP72021 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about TP72021 pinout to locate pins, power rails, and interface signals before layout.

TP72021 Datasheet, Specs, Alternatives & ECAD | ROCPU Switches(台普)

AI summary

TP72021 is a compact, normally open vertical PCB detection switch with four solder terminals and a 16 V DC rating.

Best for

Compact normally open position detection
Vertical PCB-mounted mechanical sensing

Avoid if

A documented current rating is required
RoHS or lifecycle status must be confirmed before procurement

Check before use

Confirm switching-current requirement
Verify PCB footprint against the mechanical drawing
Validate travel and actuation geometry

Key specifications

Contact configuration: Normally open (NO)
Voltage rating: 16 V DC
Contact resistance: ≤200 mΩ
Insulation resistance: ≥50 MΩ
Operating force: 20 g ± 10 g
Mechanical life: 20,000 cycles

Application

Position detectionGeneral electronics

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

TP72021 is a ROCPU Switches normally open detection switch intended for vertical PCB mounting. It has four solder terminals and an approximately 4.8 mm × 3.8 mm × 4.0 mm body.