Additional Resources: Product Page | 3D Model | PCB Footprint date 10/04/2019 page 1 of 4 SERIES: SJ-252X-SMT │ DESCRIPTION: 2.5 MM AUDIO JACKS FEATURES • low profile design • switch options include: – no switch – tip switch PART NUMBER KEY SJ-252 X-SMT-TR Base Number Switch Options: Packaging: 3 = no switch TR = Tape & Reel 4 = tip switch SPECIFICATIONS parameter conditions/description min typ max units rated input voltage 12 Vdc rated input current 1 A between terminal and mating plug 50 mΩ contact resistance1 between terminal in a closed circuit 30 mΩ insulation resistance at 500 Vdc 100 MΩ voltage withstand for 1 minute 500 Vac insertion/withdrawal force 0.3 3 kg operating temperature -25 85 °C life at a rate of 24 cycles/minute 5,000 cycles flammability rating UL94V-0 RoHS yes Note: 1. When measured at a current of less than 100 mA/1 kHz 2. All specifications measured at 10~35°C, humidity at 45~85%, under standard atmospheric pressure, unless otherwise noted. cuidevices.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices │ SERIES: SJ-252X-SMT │ DESCRIPTION: 2.5 MM AUDIO JACKS date 10/04/2019 │ page 2 of 4 MECHANICAL DRAWING units: mm[inches] MATERIAL PLATING TOLERANCE: X.X ±0.2 mm terminal 1 copper alloy silver X.XX ±0.1 mm terminal 2 copper alloy silver X.XXX ±0.05 mm PCB: ±0.05 mm terminal 3 copper alloy silver terminal 4 brass silver PA6T or plastic equivalent 5.00 0.197 1.50 0.059 12.0 0.472 4.00 0.157 2.600 0.102 4.6 0.181 4.50 0.177 2.50 0.098 0.1 0.004 (TYP) 5.60 0.220 0.80 0.031 (TYP) 11.4 0.449 (2 PLCS) 3.00 0.118 6.00 0.236 1.20 0.047 (4 PLCS) 1.7 0.067 1 2 8.0 0.315 0.3 3 4 4.4 0.173 0.800 0.031 (2 PLCS) Recommended PCB Layout Top View Model No. SJ-2523-SMT SJ-2524-SMT 1 1 3 3 Schematic 4 2 2 PIN 1 sleeve sleeve 11 2 tip tip Ø 2.5 MATING PLUG 3 ring ring 4 NP tip switch cuidevices.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices │ SERIES: SJ-252X-SMT │ DESCRIPTION: 2.5 MM AUDIO JACKS date 10/04/2019 │ page 3 of 4 SOLDERABILITY parameter conditions/description min typ max units reel storage at relative humidity <80% 40 °C reflow soldering1 see reflow profile 255 260 265 °C parts in reel: bake at 40°C ±5°C for 72 hours drying conditions2 parts removed from reel: bake at 40°C ±5°C for 10 hours Note: 1. Must reflow solder within 72 hours from opening vacuum packaging at a temperature <30°C & relative humidity <60%. 2. When exceeding floor life by >72 hours. 270 260 250 240 217 ) C ° ( e 180 r u t a 150 r e p 120 m e T 60 50 70 140 250 340 380 430 60 120 180 240 300 360 420 480 Time (sec) PACKAGING units: mm Reel Size: Ø330 mm Reel QTY: 1,000 pcs per reel A: Empty 160 mm min. B: Empty 100 mm min. C: Cover 400 mm min. cuidevices.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices │ SERIES: SJ-252X-SMT │ DESCRIPTION: 2.5 MM AUDIO JACKS date 10/04/2019 │ page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 11/09/2005 1.01 new template applied 01/30/2012 1.02 added TR package option 11/01/2012 added storage and drying conditions, and tape and 1.03 02/14/2018 reel packaging details 1.03 brand update 10/04/2019 The revision history provided is for informational purposes only and is believed to be accurate. CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. cuidevices.com