FUJITSU MEDIA DEVICES SAW RESONATOR SRU315RAEC1-TB12R APPLICATION PACKAGE DIMENSION Unit : mm OSCILLATOR FOR THE KEYLESS ENTRY SYSTEM TRANSMITTER. Lot. No. #1 ELECTRICAL CHARACTERISTICS #11 #10 #9 T #2 #8 #3 #7 4.80 #12 (Ta = 25C unless otherwise noted) Typ. Max. Resonant frequency fr 314.9 315.0 315.1 MHz Resonant loss Ar - 1.0 2.5 dB Parallel capacitance CTE 2.5 3.5 4.5 pF -40 - +10 kHz Temp. frequency drift (Ta=-20~+60C) #4 Unit 1.33 #5 #6 Type Name 1.27 0.40 1.45 Min. 0.80 Item 1.50 5.20 0.70 #6 #5 0.60 #4 FREQUENCY CHARACTERISTICS #3 #7 #2 #8 #1 #9 (5dB/div) #12 #11 #10 It is necessary to ground any terminal without Pin No. 2 and 8. 314.6 314.8 315.0 315.2 FREQUENCY ( MHz ) 315.4 No. Functions 1 Ground 2 I/O 3~7 Ground 8 I/O 9~12 Ground * The information contained herein is presented only as a guide for the applications of our products. * No responsibility is assumed by Fujitsu Media Devices for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Fujitsu Media Devices or others. The information contained herein may be changed without prior notice. It is therefore advisable to contact Fujitsu Media Devices before proceeding with the design of equipment incorporating this product. No.SRU315RAEC1-TB12 2002-04-01 FEATURES ABSOLUTE MAXIMUM RATINGS (Ta=25C) 1) 50 ohm Source and load system. (RF Filter) 2) Low insertion loss. 3) Surface mount IR reflowable package. 4) Packing in emboss tape. 5) High driving power 0.1 W max. (RF Filter) (Ta = 25C unless otherwise noted) Item DC voltage MEASURMENT CIRCUIT 2 Driving power It is necessary to ground any terminal without Pin No. 2 and 8. 8 Electrode Ratings Between any two electrodes Between input and ground Notes 0V 0.2mW Operating temp. -20 ~ +60C Storage temp. -55 ~ +85C 50 50 PACKING The pattern example of PC board for SAW filter Embossed carrier dimensions unit : mm A-B 5.4 0.6 #10 #2 #9 #3 #8 4.4 D 1.9 B 8.0 #11 C-D 1.27 o/ 1.55 2.2 #1 12.0 (4.75) C 0.9 #12 5.5 A 3.1 0.3 0.7 4.0 2.0 1.75 o/ 1.55 0.7 #7 5.0 User direction of feed Output #4 #5 #6 1.27 (1) ~ (12) is as the terminal number of SAW filter. 8 (2) and (8) are for hot line. 1 2 Other terminals are for ground. Input 1 pin 1.9 12.4 o/ 80 o/ 180 o/ 13.0 o/ 21 R1.0 FUJITSU MEDIA DEVICES LTD.