Chip Attenuator EXB type EXB 14AT, 24AT series Features Unbalanced type attenuator circuit in one chip EXB14AT (0.8 mm0.6 mm) , EXB24AT (1.0 mm1.0 mm) Reduced mounting area EXB14ATAbout 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 EXB24ATAbout 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 5 6 7 9 10 11 12 8 E X B 1 4 A T 3 A R X 3 Product code Attenuation value Tolerance Packaging methods Characteristics Dimensions and circuit impedance R3 0.3 dB Code Packaging Code configuration Thick film One-digit number ( type attenuator) resistor A 50 R5 0.5 dB Punched carrier taping /one letter shows X networks 2 mm pitch, 10,000 pcs 0.8 mm 0.6 mm attenuation value 14AT (Ex.) (inch size : 0302) 11 dB, A10 dB 1.0 mm 1.0 mm 24AT (inch size : 0404) 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, 5dB : 0.3 dB Attenuation value tolerance 6 dB, 10 dB : 0.5 dB Characteristic impedance 50 Power rating at 70 0.04 W/ package Frequency range 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 to +125 Please inquire about the other Attenuator value 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. 1-Mar-20Chip Attenuator -55 70 100 Power derating curve For resistors operated in ambient temperatures 80 above 70 , power rating shall be derated in 60 accordance with the figure on the right. 40 20 125 0 40 100 120 140 160 180 -60 -40 -20 0 20 60 80 Ambient temperature () Construction EXB14AT EXB24AT Protective Protective coating coating Alumina substrate Alumina substrate Thick lm Thick lm Electrode (Outer) Electrode Electrode Electrode Electrode (Outer) resistive element Electrode resistive element (Inner) (Between) (Inner) (Between) Circuit configuration Attenuation-frequency characteristics EXB14AT, EXB24AT 0 1 dB 1 Unbalanced type 2 dB 2 3 dB 4 3 3 R 1 4 dB 4 5 dB 5 6 dB 6 7 R R 2 2 8 9 10dB 10 1 2 11 30 k 100 k 1 M 10 M 100 M 1 G 3 G Frequency (Hz) Dimensions (not to scale) A A 4 3 4 3 EXB14AT EXB24AT P P 1 2 1 2 L L T T < 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. Unit : mm Mass (Weight) Dimensions Part No. L W T A B C (g/1000 pcs) P(typical value) EXB14AT 0.800.10 0.600.10 0.350.10 0.350.10 0.150.10 0.150.10 0.50 0.7 EXB24AT 1.000.10 1.000.10 0.350.10 0.400.10 0.150.10 0.250.10 0.65 1.1 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. 1-Mar-20 B C W Attenuation(dB) Rated load (%) B C W