Additional Resources: Product Page | 3D Model | PCB Footprint date 01/06/2020 page 1 of 4 MODEL: CSS-J4D20-SMT-TR │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER FEATURES • surface mount • side sound port • externally driven SPECIFICATIONS parameter conditions/description min typ max units rated voltage Vo-p 3.6 Vo-p operating voltage 0V 3 5 Vo-p current consumption at rated voltage, 3,100 Hz square wave, ½ duty 80 mA rated frequency 3,100 Hz at 5 cm (A-weight), rated voltage, 3,100 Hz sound pressure level 90 97 dBA square wave, ½ duty coil resistance 17 20 23 Ω dimensions 8.5 x 8.5 x 3.2 mm weight 0.7 g material LCP (white) terminal SMT type (Au plating) operating temperature -40 70 °C storage temperature -40 85 °C RoHS yes Notes: 1. All specifications measured at 5~35°C, humidity at 45~85%, under 86~106 kPa pressure, unless otherwise noted. SOLDERABILITY parameter conditions/description min typ max units reel storage at relative humidity <60% 30 °C reflow soldering2 see recommended reflow soldering profile 260 °C drying conditions3 bake at 40°C for 24 hours Note: 2. It is recommended to reflow solder within 48 hours from opening vacuum packaging at a temperature <30°C & relative humidity <60%. 3. When out of packaging for more than 48 hours. SMT Reflow Solder Profile (Pb Free) Peak Temp 260°C C) 255°C 20~40 sec e (° ur 217°C at 200°C er mp 150°C e T 60~180 sec 60~150 sec Time (sec) cuidevices.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices │ MODEL: CSS-J4D20-SMT-TR │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 01/06/2020 │ page 2 of 4 MECHANICAL DRAWING units: mm tolerance: ±0.5 mm RECOMMENDED PCB LAYOUT (Top View) FREQUENCY RESPONSE CURVE MEASUREMENT METHOD +VDC +2.5V 180Ω TR: 0 2SC1741AS cuidevices.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices │ MODEL: CSS-J4D20-SMT-TR │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 01/06/2020 │ page 3 of 4 PACKAGING units: mm Reel Size: Ø330 mm Inner Box Size: 340 x 340 x 33 mm Carton Size: 350 x 175 x 355 mm Reel QTY: 1,000 pcs per reel Carton QTY: 5,000 pcs per carton (cid:376)(cid:371)(cid:354)(cid:369)(cid:289)(cid:373)(cid:361)(cid:358)(cid:289)(cid:361)(cid:368)(cid:365)(cid:358) (cid:322) Lot No. XXXXXXXXXX Model No. XXXXXXXXXX (cid:324)(cid:354)(cid:371)(cid:373)(cid:368)(cid:367)(cid:289)(cid:323)(cid:368)(cid:377) Quantity. XXXX Pcs (cid:297)(cid:310)(cid:289)(cid:330)(cid:367)(cid:367)(cid:358)(cid:371)(cid:289)(cid:323)(cid:368)(cid:377)(cid:298) Date: DD MM YY G (cid:330)(cid:367)(cid:367)(cid:358)(cid:371)(cid:289)(cid:323)(cid:368)(cid:377) MADE IN CHINA (cid:297)(cid:306)(cid:333)(cid:354)(cid:378)(cid:358)(cid:371)(cid:289)(cid:339)(cid:358)(cid:358)(cid:365)(cid:298) CUI Inc * The label sticked on inner boxes and the outer of carton. cuidevices.com

Additional Resources: Product Page | 3D Model | PCB Footprint CUI Devices │ MODEL: CSS-J4D20-SMT-TR │ DESCRIPTION: MAGNETIC BUZZER TRANSDUCER date 01/06/2020 │ page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 09/20/2006 1.01 applied new spec template 11/03/2008 1.02 updated part number, added TR package option, applied new spec template 05/06/2013 1.03 added storage and drying conditions, and tape and reel packaging details 07/29/2019 1.04 brand update 01/06/2020 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