Chip Attenuator Chip Attenuator 0302, 0404 Type: EXB 14AT, 24AT Features Unbalanced type attenuator circuit in one chip EXB14AT(0.8 mm x 0.6 mm), EXB24AT(1.0 mm x 1.0 mm) Reduced mounting area : EXB14AT : About 60% smaller than the area of an attenuator circuit consisting of three 0603 chip resistors, almost equal to the area of three 0402 chip resistors EXB24AT : About 50% smaller than the area of an attenuator circuit consisting of three 1005 chip resistors, almost equal to the area of three 0603 chip resistors Mounting cost reduction : (Only 1 chip placed as compared to 3) Attenuation : 1 dB to 10 dB RoHS compliant Recommended Applications Attenuation / level control / impedance matching of high frequency (communication signalling equipment cellular phones(GSM, CDMA, PDC, etc.), PHS, PDAs) Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions Please see Data Files Explanation of Part Numbers 1 2 3 4 5 6 7 8 9 10 11 12 & 9 # " 5 " 3 9 Product Code Code Thick Film Resistor Network Dimensions and Circuit Configuration 14AT 0.8 mm L 0.6 mm (inches : 0302) = type attenuator 24AT 1.0 mm L 1.0 mm (inches : 0404) = type attenuator Attenuation Value Tolerance One-digit number /one letter shows attenuation value (ex.) 1n1 dB, An10 dB R3 0.3 dB R5 0.5 dB Packaging X Punched Carrier Taping (2 mm pitch) Characteristics Impedance A Attenuation-Frequency Characteristics 50 ? Circuit Configuration (EXB14AT, EXB24AT) 0 2dB 2 4 3 R1 3dB 3 Attenuation (dB) Unbalanced = type 1dB 1 4dB 4 5dB 5 6dB 6 7 R2 R2 8 9 10dB 10 11 30 k 100 k 1 1M 10 M Frequency (Hz) 100 M 1G 2 3G Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01 Aug. 2012 39 Chip Attenuator Construction EXB14AT EXB24AT Protective coating Protective coating Alumina substrate Alumina substrate Thick film resistive element Electrode (Outer) Electrode (Inner) Thick film resistive element Electrode (Between) Electrode (Outer) Electrode (Inner) Electrode (Between) Dimensions (not to scale) EXB14AT EXB24AT A A 4 3 W W B B 3 4 P L 1 T 2 2 T C P L C 1 P P L W T A B C Dimensions (typical value) (mm) 0.800.10 0.600.10 0.350.10 0.350.10 0.150.10 0.150.10 0.50 L W T A B C Dimensions (typical value) (mm) 1.000.10 1.000.10 0.350.10 0.400.10 0.150.10 0.250.10 0.65 <Marking Configuration> The bar marking for recognizing terminal direction is located on the side of terminal 3, 4. Mass (Weight) [1000 pcs.] : 0.7 g <Marking Configuration> The bar marking for recognizing terminal direction is located on the side of terminal 4. Mass (Weight) [1000 pcs.] : 1.1 g Ratings Type Attenuation Value Attenuation Value Tolerance Characteristic Impedance Power Rating Frequency Range at 70 C VSWR (Voltage Standing Wave Ratio) Number of Resistors Number of Terminals Category Temperature Range Please EXB14AT, EXB24AT 1 dB, 2 dB, 3 dB, 4 dB, 5 dB, 6 dB, 10 dB 1 dB, 2 dB, 3 dB, 4 dB, 5 dB : 0.3 dB 6 dB, 10 dB : 0.5 dB 50 0.04 W /package DC to 3.0 GHz 1.3 max. 3 resistors 4 terminals -55 C to +125 C inquire about the other Attenuator value 120 Rated Power (%) 100 Power Derating Curve For resistors operated in ambient temperature above 70 C, power rating shall be derated in accordance with the figure on the right. -55 C 70 C 80 60 40 20 0 -60 -40 -20 125 C 0 20 40 60 80 100 120 140 160 Ambient Temperature (C) Design and specifications are each subject to change without notice. Ask factory for the current technical specifications before purchase and/or use. Should a safety concern arise regarding this product, please be sure to contact us immediately. 01 Aug. 2012 40 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Panasonic: EXB-24ATBA1RX