Filter COILS < Pin Type: QU Series> Type: QU-7W ◆ Product Description ・17.0×9.8mm Max.(L×W), 12.8mm Max. Height. ・Operating frequency: 20MHz Max. ・In addition to the reference versions of parameters shown here, custom designs are available to meet your exact requirements. ◆ Feature ・Variable shielded type with 2 individual coils combined. ・Internally assembled condenser is available. ・Ideally used in quadrature detector coil. ・RoHS Compliance 4.5±0.2 4.5±0.2 ＋1.0 −0.5 0.7 Max. 12.3±0.5 11.8±0.5 17.0 Max. 7.5±0.3 φ0.5±0.1 1.0±0.2 ◆ Dimensions (mm) 4.5±0.2 3.0 9.8 Max. ＊ Dimension does not include solder used on coil. ＊ Pin pitch should be measured at the root of terminal. ◆Connection (Bottom View) ③ ④ ⑤ ② ⑫ ① ⑩ ⑨ 1st ⑥ ◆ Testing circuit IC ⑧ LA1235 ⑧ IC ⑨ ④ ⑤ ③ ② ① 1st ⑥ 2.2kΩ ⑫ 2nd ⑩ ⑨ ⑧ 4.7kΩ 2nd IC ⑩ “S”is winding start. Please refer to the sales offices on our website for a representative near you www.sumida.com 1/1 Filter COILS < Pin Type: QU Series> Type: QU-7W ◆ Specification (Part No.2285-T002) Item 1st Coil(1-4) 2nd Coil(6-8) Using frequency 10.7MHz 10.7MHz Tuning frequency 10.7MHz±2% Variable 10.7MHz±2% Variable Unloaded Qu 52±20% Within (10.7MHz) 52±20% Within (10.7MHz) Tuning capacity (Int.) 82pF±10%(1-10) 100pF±10%(6-8) Inductance (1-3) 26µH±8% Within (2.52MHz) Ext.stray capacity -3pF between (1-4) at measuring. Ext.stray capacity -2pF between (6-8) at measuring. ＊ (4-10)to be shorted when testing. Please refer to the sales offices on our website for a representative near you www.sumida.com 2/2