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BackBattery CR-1220 coin cell vertical Panasonic CR-1220/VCN battery, https://industrial.panasonic.com/cdbs/www-data/pdf2/AAA4000/AAA4000D140.PDF battery CR-1220 coin cell cr1216 cr1220 cr1225 1xPP3 (9V) battery holder, Keystone P/N 2468, http://www.keyelco.com/product-pdf.cfm?p=1033 AAA battery cell holder 2xAA cell battery holder, Memory Protection Devices P/N BA9VPC, http://www.memoryprotectiondevices.com/datasheets/BA9VPC-datasheet.pdf PP3 Battery Holder (http://www.memoryprotectiondevices.com/datasheets/BK-18650-PC2-datasheet.pdf Keystone Battery Holder SMD Tactile Switch, B3SL Middle Stroke Tactile Switch Ultra-small-sized Tactile Switch for High-Density Mounting, 7.3mm height, https://omronfs.omron.com/en_US/ecb/products/pdf/en-b3fs.pdf C&K Components SPST SMD PTS645 Series 6mm Tact Switch with High Contact Reliability, Side-actuated Model, without Ground Terminal, with Boss Ultra-small-sized Tactile Switch for High-Density Packaging with Ground Terminal, with Boss SPST button tactile switch SPST angled PTS645VL58-2 LFS C&K Button tactile switch with LED, generic K switch single-pole double-throw spdt ON-ON D Push button switch, normally open, two pins, 45° tilted D Momentary Switch, dual pole double throw, separate symbols K switch triple-pole double-throw DPDT spdt ON-ON illuminated red green D Push button switch OFF-(ON) | Dailywell | PAS6B2M1CESG2-5, PAS6B2M4CESG6-5, or PAS6B2M4CESG6-5 | Tayda | A-159 | | | | | 2 | 1nF | Film capacitor | | Q1, Q2, Q3, Q4, Q5 | 5 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 R16, R17, R19, R20 | 4 .../PCB/precadsr_Gerbers/precadsr-F_Cu.gbr | 4 812d609d12 More assembly notes - C1: enlarge footprint; a box film cap instead of latch, https://www.neutrik.com/en/product/nc4fah-0 A Series, 3 pole XLR female receptacle with 6.35mm (1/4in) stereo jack and switching.
- 1.049916e+02 3.455000e+01 facet normal -1.570396e-001.
- 5.45mm TO-247-4, Horizontal, RM 5.475mm, SOT-93.
- MKDS-3-4-5.08 pitch 5.08mm length.