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T A I - S A W T E C H N O L O G Y C O . , L T D . F R - 7 1 S 0 3 - 0 2 TST DCC Release document TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: tstsales@mail.taisaw.com W e b : www.taisaw.com Product Specifications Approval Sheet Product Description: 447.5MHz 5.0MHzBW SMD 3.8x3.8mm SAW RF Filter TST Parts No.:TA2321A C u s t o m e r P a r t s N o . : Company: D i v i s i o n : A p p r o v e d b y : D a t e : Checked by: Kazuma Lee A p p r o v a l b y : A n d y Y u Date: 01/24/2018 1. Customer signed back is required before TST c an proceed with sample build and receive orders. 2. Orders received without customer signed back will be regarded as agreement on the specifications. 3. Any specifications changes must be approved upon by both parties and a new revision of specifications shall be released to reflect the changes.

TAI-SAW TECHNOLOGY CO., LTD. 2 TST DCC Release document TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: tstsales@mail.taisaw.com W e b : www.taisaw.com SAW Filter 447.5MHz MODEL NO.:TA2321A REV. NO：1.0 A. MAXIMUM RATING: 1. Input Power Level: 20 dBm 2. DC Voltage : 3V 3. Operating Temperature: -40°C to +85°C 4. Storage Temperatur e: -40°C to +85°C 5. Moisture Sensitivity Level: Level 1(MSL1) B. ELECTRICAL CHARACTERISTICS: Ambient Temperature: 25°C Item Unit Min. Type. Max. Note Center frequency, Fc MHz - 447.5 - - Insertion Loss ILmin dB - 1.64 2.50 - VSWR 445 - 450 MHz - - 1.05 2.0 - Amplitude Ripple 445 - 450 MHz dB - 0.8 1.0 - Group Delay 445 - 450 MHz nS - 64 150 - Attenuation:(Reference level from 0 dB) DC – 235.00MHz dB 28 30 - - 235.00-435.00 MHz dB 25 27 - - 456.00-460.00MHz dB 35 40 - - 460.00-550.00MHz dB 25 29 - - 550.00-865.00MHz dB 25 28 - - 865.00- 1200.00 MHz dB 25 28 - - Temperature Coefficient ppm/°C - -32 - - Source Impedance Ohm - 50 - - Load Impedance Ohm - 50 - - RoHS Compliant Lead free Lead-free soldering Electrostatic Sensitive Device

TAI-SAW TECHNOLOGY CO., LTD. 3 TST DCC Release document C. FREQUENCY CHARACTERISTICS:

TAI-SAW TECHNOLOGY CO., LTD. 4 TST DCC Release document D. MEASUREMENT CIRCUIT:

TAI-SAW TECHNOLOGY CO., LTD. 5 TST DCC Release document E. OUTLINE DRAWING: #B: Input #E: Output Other: Ground Unit: mm □: Week Code △: Product / Year Code Y e a r 2017 2019 2018 2020 Product Code A a Week Code Table WK01 WK02 WK03 WK04 WK05 WK06 WK07 WK08 WK09 WK10 WK11 WK12 WK13 ABCDEFGH I JKLM WK14 WK15 WK16 WK17 WK18 WK19 WK20 WK21 WK22 WK23 WK24 WK25 WK26 NOPQRSTUVWXYZ WK27 WK28 WK29 WK30 WK31 WK32 WK33 WK34 WK35 WK36 WK37 WK38 WK39 abcde f gh i j k lm WK40 WK41 WK42 WK43 WK44 WK45 WK46 WK47 WK48 WK49 WK50 WK51 WK52 nopqr s t uvwxyz 2 3 2 1

TAI-SAW TECHNOLOGY CO., LTD. 6 TST DCC Release document F. PCB FOOTPRINT: G. PACKING: 1. REEL DIMENSION (Please refer to FR-75D10 for packing quantity and FR-75M03 for MSL)

TAI-SAW TECHNOLOGY CO., LTD. 7 TST DCC Release document 2. TAPE DIMENSION H. RECOMMENDED REFLOW PROFILE: 1. Preheating shall be fixed at 150~180℃ for 60~90 seconds. 2. Ascending time to preheating temperature 150℃ shall be 30 seconds min. 3. Heating shall be fixed at 220℃ for 50~80 seconds and at 260℃+0/-5℃ peak (20~40sec). 4. Time: 2 times. 2320