SAW Components Data Sheet B3851 SAW Components B3851 881,50 MHz Low-Loss Filter for Mobile Communication Preliminary Data Ceramic package DCC6C Features ● Low-loss RF filter for mobile telephone AMPS systems, receive path ● Usable passband 25 MHz ● No matching network required for operation at 50 Ω ● Ceramic package for Surface Mounted Technology (SMT) Terminals ● Ni, gold-plated Dimensions in mm, approx. weight 0,037 g Pin configuration 2 5 1,3,4,6 Input Output Ground Type Ordering code B3851 B39881-B3851-U410 Marking and Package according to C61157-A7-A67 Packing according to F61074-V8088-Z000 Electrostatic Sensitive Device (ESD) Maximum ratings Operable temperature range Storage temperature range DC voltage Input power max. T Tstg VDC PIN – 30 / + 85 – 40 / + 85 5 5 2 ˚C ˚C V dBm Source impedance 50 Ω Apr 25, 2002 SAW Components B3851 881,50 MHz Low-Loss Filter for Mobile Communication Preliminary Data Characteristics T = -30 to +85˚C ZS = 50 Ω ZL = 50 Ω Operating temperature range: Terminating source impedance: Terminating load impedance: fc Center frequency Maximum insertion attenuation 869,0 ... 894,0 min. typ. max. — 881,50 — — 2,4 2,5 dB dB MHz αmax MHz ∆α Amplitude ripple (p-p) 869,0 ... 894,0 MHz — 1,4 1,5 869,0 ... 894,0 MHz — 1,7 1,9 VSWR α Attenuation 0,0 824,0 920,0 1100,0 ... 824,0 ... 849,0 ...1100,0 ...3000,0 MHz MHz MHz MHz 25,0 28,0 25,0 20,0 3 Apr 25, 2002 27,0 35,0 29,0 26,0 — — — — dB dB dB dB SAW Components B3851 881,50 MHz Low-Loss Filter for Mobile Communication Preliminary Data Transfer function Transfer function (wideband) 4 Apr 25, 2002 SAW Components B3851 881,50 MHz Low-Loss Filter for Mobile Communication Preliminary Data Reflection functions 5 Apr 25, 2002 SAW Components B3851 881,50 MHz Low-Loss Filter for Mobile Communication Preliminary Data PPublished by EPCOS AG Surface Acoustic Wave Components Division, SAW MC WT P.O. Box 80 17 09, 81617 Munich, GERMANY EPCOS AG 2002. 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 Apr 25, 2002