Spring Test Probe Thimble HRS420*4820H 15A Test Needle M3 Threaded Needle

Test Probe HRS-420x4820H (HRS-420*4820A) Spring Test Needle Pogo Pin M3 Threaded Needle, HRS420 15A pogo pin L- 48.2mm Thickness-4.2MM Head Dia-5MM, High current Needle HRS420*4820H plum head 15A Spring test probe 

The HRS420*4820H test probe is a type of high-current, spring-loaded pogo pin used for testing printed circuit boards (PCBs) and other electronic components. 

• Current rating: 15A.
• Tip style: The "H". This model features a "plum blossom head" or "plenum head". Other variants exist with different tip styles, such as 'A' for concave, 'G' for flat, and 'D' for round.
• Elastic force: The spring force for the probe is typically available in a range of options, such as 650g, 1000g, or 1800g.
• Stroke: The travel distance of the spring-loaded pin is approximately 9.2mm.
• Application: It is often used in automated test equipment for in-circuit testing (ICT) and functional testing (FCT) of PCBs. Its high current rating makes it suitable for testing power and ground connections. 
• Total length: 48.2 mm.
• Body diameter/thickness: 4.2 mm.
• Head/plunger diameter: 5.0 mm, featuring a distinctive "Plum Blossom" shape.
• Spring type: This is a pressable, spring-loaded needle probe.
• Connection method: The M3 screw tail is designed for direct welding to a circuit board or wire.
• Durability: Made from robust materials, such as stainless steel and brass alloy, to withstand repeated use.

• Needle/Pinhead: Brass with a gold-plated finish.
• Needle bar: SK4 steel with a gold-plated finish.
• Spring: Stainless steel wire.