Chip Attenuator Chip Attenuator Type: EXB 14AT EXB 24AT Features Unbalanced type attenuator circuit in one chip EXB14AT (0.8 mm 0.6 mm), EXB24AT (1.0 mm 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) As for Packaging Methods, Land Pattern, Soldering Conditions and Safety Precautions, Please see Data Files Explanation of Part Numbers 1 2 3 4 56 7 8 9 10 11 12 E X B 1 4 A T 3 A R 3 X Attenuation Value Product Code Dimensions and Tolerance Packaging Code Circuit Conguration One-digit number /one letter Thick Film Resistor Punched Carrier Taping R3 0.3 dB X Network 0.8 mm 0.6 mm shows attenuation value 2 mm pitch, 10,000 pcs. R5 0.5 dB 14AT (inch size : 0302) (ex.) 1 1 dB, A 10 dB type attenuator 1.0 mm 1.0 mm Characteristics Impedance 24AT (inch size : 0404) type attenuator A 50 Attenuation-Frequency Characteristics Circuit Confi guration (EXB14AT, EXB24AT) 0 Unbalanced type 1dB 1 2dB 43 2 R1 3dB 3 4dB 4 5dB 5 6dB 6 7 R2 R2 8 9 10dB 10 12 11 30 k 100 k 1 M 10 M 100 M 1 G 3 G Frequency (Hz) 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. 02 Sep. 2014 Attenuation (dB)Chip Attenuator Construction EXB14AT EXB24AT Protective coating Protective coating Alumina substrate Alumina substrate Thick lm Electrode (Outer) Electrode (Inner) Electrode (Outer) Thick lm resistive element resistive element Electrode (Inner) Electrode (Between) Electrode (Between) Dimensions in mm (not to scale) EXB14AT EXB24AT A A 43 3 4 12P T T 1 P 2 L L P P LWT A B C LWT A B C Di mensio ns Di men sions (typical value) (typical value) (mm) 0.10 0.10 0.10 0.10 0.10 0.10 (mm) 0.10 0.10 0.10 0.10 0.10 0.10 0.80 0.60 0.35 0.35 0.15 0.15 0.50 1.00 1.00 0.35 0.40 0.15 0.25 0.65 <Marking Configuration> <Marking Configuration> The bar marking for recognizing terminal direction The bar marking for recognizing terminal direction is located on the side of terminal 3, 4. is located on the side of terminal 4. Mass (Weight) 1000 pcs. : 0.7 g Mass (Weight) 1000 pcs. : 1.1 g Ratings Part No. EXB14AT, EXB24AT Attenuation Value 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 Attenuation Value Tolerance 6 dB, 10 dB : 0.5 dB Characteristic Impedance 50 Power Rating 0.04 W /package Frequency Range at 70 C DC to 3.0 GHz VSWR (Voltage Standing Wave Ratio) 1.3 max. Number of Resistors 3 resistors Number of Terminals 4 terminals Category Temperature Range 55 C to +125 C Please inquire about the other Attenuator value 120 Power Derating Curve 55 C 70 C 100 For resistors operated in ambient temperatures above 70 C, power rating shall be derated in accordance 80 with the figure on the right. 60 40 20 125 C 0 60 40 20 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. 02 Sep. 2014 B C W Rated Power (%) C B W