Microwave Components/Modules > Microchip Transformer (Balun) > Wire Wound Type Data Sheet 1 Microchip Transformer (Balun) Wire Wound Type DXW21B Series (0805 Size) c Equivalent Circuit (0.17) 1.2±0.2 c Dimensions Unbalanced Balanced 1 (2) (1) 2.0±0.2 (2) (0.4) (0.4) (1) 1.2±0.2 (4) (3) (4) Balanced 2 (1) : Unbalance port (2) (3) : Balance port (4) : GND No polarity. (3) : Electrode (in mm) (0.45) (0.45) c Packaging Code Packaging L 180mm Embossed Tape Minimum Quantity 2000 K 330mm Embossed Tape 10000 B Bulk(Bag) 500 c Rated Value (p: packaging code) Part Number Frequency Range Port Impedance Insertion Loss CMRR Rated Power Operating Temperature Range at Freq. Range (max.) at Freq. Range (min.) DXW21BN7511Sp 1 to 1.5GHz 75 ohm - 75 ohm 1.4dB 20dB 27dBm -40 to +85°C DXW21BN7511Tp 50 to 870MHz 75 ohm - 75 ohm 1.0dB 20dB 27dBm -40 to +85°C Only for reflow soldering. c Insertion Loss Characteristics c CMRR Characteristics DXW21BN7511S DXW21BN7511S 0 45 40 -1 CMRR (dB) Insertion Loss (dB) -0.5 -1.5 35 30 -2 25 -2.5 -3 1000 1200 1400 1600 Frequency (MHz) 1800 2000 20 1000 1200 1400 1600 Frequency (MHz) 1800 2000 Continued on the following page. oThis data sheet is applied for Micro Chip Transformer used for General Electronics equipment for your design. !Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. 2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 2011.11.2 http://www.murata.com/ Microwave Components/Modules > Microchip Transformer (Balun) > Wire Wound Type Data Sheet 2 Continued from the preceding page. c Insertion Loss Characteristics c CMRR Characteristics DXW21BN7511T DXW21BN7511T 0 45 40 2 CMRR (dB) Insertion Loss (dB) 1 3 35 30 4 25 5 6 50 100 1000 20 50 2000 100 Frequency (MHz) 1000 2000 Frequency (MHz) c !Caution/Notice !Caution (Rating) Do not use products beyond the rated current and rated voltage as this may create excessive heat and deteriorate the insulation resistance. Notice Solderability of Tin plating termination chip might be deteriorated when low temperature soldering profile where peak solder temperature is below the Tin melting point is used. Please confirm the solderability of Tin plating termination chip before use. oThis data sheet is applied for Micro Chip Transformer used for General Electronics equipment for your design. !Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering. 2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 2011.11.2 http://www.murata.com/