B39881B7845K410

SAW filters for mobile communications Series/Type: B7845 The following products presented in this data sheet are being withdrawn. Ordering Code Substitute Product Date of Withdrawal B39881B7845K410 B39881B9400K610 2009-04-30 Deadline Last Orders 2009-10-31 Last Shipments 2010-01-31 For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The addresses of our worldwide sales network are presented at www.epcos.com/sales. SAW Components B7845 881,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Features Chip sized SAW package QCS5E ■ Low-loss RF filter for mobile telephone 0,075 0,38 0,44 0,68 5 bottom view side view 1,4 3 1 2 0,075 ■ ■ ■ ■ ■ ■ ■ 0.735 GSM850 systems, receive path Very low insertion attenuation Low amplitude ripple Usable passband 25 MHz Unbalanced to balanced operation Impedance transformation from 50 Ω to 150 Ω Suitable for GPRS Class 1 to 12 Ceramic Package for Surface Mounted Technology (SMT) top view 4 2,0 Terminals ■ Ni, gold-plated Dimensions in mm, approx. weight 0,007 g Pin configuration 1 3, 4 2, 5 Type B7845 Input, unbalanced Output, balanced Case ground Ordering code Marking and Package Packing B39881-B7845-K410 according to C61157-A7-A131 according to F61074-V8151-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage ESD voltage Input power at GSM850, GSM900 GSM1800 and GSM1900 Tx bands T Tstg VDC VESD* PIN – 40 / + 85 – 40 / + 85 5 100* 15 ˚C ˚C V V dBm machine model, 10 pulses peak power of GSM signal, duty cycle 4:8 * acc. to JESD22-A115A (Machine Model), 10 negative & 10 positive pulses 2 Sep 15, 2005 SAW Components B7845 881,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics T = 25 ˚C ZS = 50 Ω ZL = 150 Ω || 82 nH (balanced) Operating temperature range: Terminating source impedance: Terminating load impedance: Center frequency fC Maximum insertion attenuation 869,0 ... 894,0 αmax MHz min. typ. max. — 881,5 — — 1,2 1,5 dB dB MHz ∆α Amplitude ripple (p-p) 869,0 ... 894,0 MHz — 0,4 0,6 869,0 ... 894,0 MHz — 1,5 1,8 869,0 ... 894,0 MHz — 1,5 1,8 ... 434,0 ... 447,0 ... 849,0 ...1000,0 ...1738,0 ...6000,0 MHz MHz MHz MHz MHz MHz 45 45 30 26 28 40 54 52 35 29 38 46 — — — — — — dB dB dB dB dB dB Amplitude balance (|S31/S21|) 869,0 ... 894,0 MHz -1,0 -0,5 ... 0,0 1,0 dB Phase balance (φ(S31)−φ(S21)+180˚) 869,0 ... 894,0 MHz -5 -3,0 ... 1,5 5 degree 20 20 22 20 26 26 40 35 — — — — dB dB dB dB Input VSWR Output VSWR Attenuation 0,0 434,0 447,0 914,0 1000,0 1738,0 Common mode suppression 869,0 824,0 1648,0 3296,0 Ssc12 ... 894,0 ... 995,0 ... 1990,0 ... 3980,0 MHz MHz MHz MHz 3 Sep 15, 2005 SAW Components B7845 881,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics T = -20 to +75 ˚C ZS = 50 Ω ZL = 150 Ω || 82 nH (balanced) Operating temperature range: Terminating source impedance: Terminating load impedance: Center frequency fC Maximum insertion attenuation 869,0 ... 894,0 αmax MHz min. typ. max. — 881,5 — — 1,3 1,6 dB dB MHz ∆α Amplitude ripple (p-p) 869,0 ... 894,0 MHz — 0,6 0,8 869,0 ... 894,0 MHz — 1,6 1,8 869,0 ... 894,0 MHz — 1,6 1,8 ... 434,0 ... 447,0 ... 849,0 ...1000,0 ...1738,0 ...6000,0 MHz MHz MHz MHz MHz MHz 45 45 30 26 28 40 54 52 35 29 38 46 — — — — — — dB dB dB dB dB dB Amplitude balance (|S31/S21|) 869,0 ... 894,0 MHz -1,0 -0,6 ... 0,0 1,0 dB Phase balance (φ(S31)−φ(S21)+180˚) 869,0 ... 894,0 MHz -5 -3,0 ... 1,5 5 degree 20 20 22 20 26 26 40 35 — — — — dB dB dB dB Input VSWR Output VSWR Attenuation 0,0 434,0 447,0 914,0 1000,0 1738,0 Common mode suppression 869,0 824,0 1648,0 3296,0 Ssc12 ... 894,0 ... 995,0 ... 1990,0 ... 3980,0 MHz MHz MHz MHz 4 Sep 15, 2005 SAW Components B7845 881,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Transfer function (narrow band) Transfer function (wideband) 5 Sep 15, 2005 SAW Components B7845 881,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, D-81617 München  EPCOS AG 2005. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS’ prior express consent is prohibited. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices. 6 Sep 15, 2005