JJAV0UJ253NOPMRTR is a JJA series detector switch designed for signal switching in electronic devices with vertical push actuation and J-bend mounting configuration. The switch features a compact body size of 3.5×2.8 mm with a total height of 2.53 mm, metal cover with silver plating, and ungrounded design suitable for diverse applications. Key electrical specifications include a contact rating of 1 mA at 5 VDC, maximum contact resistance of 2 O, insulation resistance of 100 MO minimum at 100 VDC, and dielectric strength of 100 VAC for 1 minute. The switch operates with a maximum force of 50 gF, travel distance of 1.03 mm, and is rated for 100,000 operating cycles over a temperature range of -10°C to 60°C. This detector switch is ideal for automotive, instrumentation, white goods, and telecommunications applications where reliable signal detection and compact form factor are essential.