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| Document 424 -1 SMT Mini Wideband Transformers * Smallest wideband transformer: 4 mm square 3 mm high * 300 V interwinding isolation, 1/4 Watt RF input power * 250 mA max current rating. Designer's Kit C393 contains three of each part Core material Ferrite Terminations RoHS compliant tin-silver-copper over silverplatinum-glass frit. Other terminations available at additional cost. Weight 68.0 - 88.8 mg Ambient temperature -40C to +85C Storage temperature Component: -40C to +85C. Packaging: -40C to +80C Resistance to soldering heat Max three 40 second reflows at +260C, parts cooled to room temperature between cycles Moisture Sensitivity Level (MSL) 1 (unlimited floor life at <30C / 85% relative humidity) Failures in Time (FIT) / Mean Time Between Failures (MTBF) 60 per billion hours / 16,666,667 hours, calculated per Telcordia SR-332 Packaging 750/7reel; 3000/13 reel Plastic tape: 12 mm wide, 0.3 mm thick, 8 mm pocket spacing, 2.9 mm pocket depth PCB washing Only pure water or alcohol recommended Part number1 Schematic WBC1-1L_ A WBC1-1TL_ B WBC2-1TL_ B WBC3-1TL_ B WBC4-1TL_ B WBC4-14L_ B WBC4-1WL_ B WBC4-6TL_ B WBC8-1L_ B WBC9-1L_ B WBC16-1TL_ B WBC4-4L_ C Impedance ratio2 pri : sec 1:1 1:1 1:2 1:3 1:4 1:4 1:4 1:4 1:8 1:9 1 : 16 1:4 Insertion Bandwidth loss max (MHz) (dB) 0.400 - 600 0.40 0.250 - 750 0.58 0.200 - 500 0.50 0.300 - 900 0.60 0.250 - 750 1.0 1.500 - 1200 2.0 0.500 - 1000 0.90 0.300 - 700 0.65 0.150 - 600 0.60 0.300 - 500 0.54 0.600 - 300 0.80 0.250 - 800 1.0 Pins 4 - 6 (primary) L min3 DCR max4 (H) (mOhm) 10 120 11 75 10 120 9 100 12 55 2 50 5 60 9 80 22 120 9 80 5 60 12 60 Pins 1 - 3 (secondary) DC L min3 DCR max4 imbalance5 (H) (mOhm) max (mA) 10 120 -- 11 75 36 20 150 8.5 27 150 8.5 48 120 30 8 100 15 20 120 10 36 200 7.5 176 310 17 81 230 5 80 230 5 48 120 30 Color dot Brown Brown Red Orange Yellow Green White Blue Gray White Violet Yellow 1. When ordering, please specify termination and packaging codes: WBC4-4LC Termination: L = RoHS compliant tin-silver-copper (95.5/4/0.5) over silver-palladium-platinum Special order: S = non-RoHS tin-lead (63/37). Packaging: C = 7 machine-ready reel. EIA-481 embossed plastic tape (750 parts per full reel). B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead. D = 13 machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (3000 parts per full reel). 2. Impedance ratio is for the full primary winding to the full secondary winding. 3. Inductance measured at 100 kHz, 0.1 V, 0 Adc on an Agilent/HP 4192 or equivalent. 4. DCR measured on a micro-ohmmeter. 5. DC imbalance is the maximum difference in current measured at pins 1 and 3 with the source at pin 2. Inductance drop is 15% at maximum imbalance. 6. Electrical specifications at 25C. Refer to Doc 362 "Soldering Surface Mount Components" before soldering. Schematics A Pri 4 3 1 2 Sec 4 3 1 2 Sec 3 6 1 Sec B Pri 6 C 6 Pri 5 4 Specifications subject to change without notice. Please check our website for latest information. Document 424-1 Revised 02/17/09 (c) Coilcraft, Inc. 2009 Document 424-2 SMT Mini Wideband Transformers Dimensions Dot indicates pin 1 0.175 max 4,45 0.165 max 4,19 0.120 max 3,05 0.030 0,76 6 5 4 1 0.060 1,52 2 3 0.040 1,02 1 2 3 0.120 3,05 Recommended Land Pattern 6 5 4 0.045 1,14 0.030 0,76 Dimensions are in inches mm Specifications subject to change without notice. Please check our website for latest information. Document 424-2 Revised 02/17/09 (c) Coilcraft, Inc. 2009 Document 424-3 SMT Mini Wideband Transformers Attenuation (dB) 1 2 3 4 5 0.01 0.1 Attenuation (dB) 0 0 1 2 3 4 5 0.01 0.1 WBC1-1 3 dB bandwidth: 0.400 - 600 MHz 1 10 100 1000 10000 WBC4-1W 3 dB bandwidth: 0.500 - 1000 MHz 1 10 100 1000 10000 Frequency (MHz) Attenuation (dB) Attenuation (dB) 0 1 2 3 4 5 0.01 0.1 0 1 2 3 4 5 0.01 0.1 Frequency (MHz) WBC1-1T 3 dB bandwidth: 0.250 - 750 MHz 1 10 100 1000 10000 WBC4-6T 3 dB bandwidth: 0.300 - 700 MHz 1 10 100 1000 10000 Frequency (MHz) Attenuation (dB) Attenuation (dB) 0 1 2 3 4 5 0.01 0.1 0 1 2 3 4 5 0.01 0.1 Frequency (MHz) WBC2-1T 3 dB bandwidth: 0.200 - 500 MHz 1 10 100 1000 10000 WBC8-1 3 dB bandwidth: 0.150 - 600 MHz 1 10 100 1000 10000 Frequency (MHz) Attenuation (dB) Attenuation (dB) 0 1 2 3 4 5 0.01 0.1 0 1 2 3 4 5 0.01 0.1 Frequency (MHz) WBC3-1T 3 dB bandwidth: 0.300 - 900 MHz 1 10 100 1000 10000 WBC9-1 3 dB bandwidth: 0.300 - 500 MHz 1 10 100 1000 10000 Frequency (MHz) Attenuation (dB) Attenuation (dB) 0 1 2 3 4 5 0.01 0.1 0 1 2 3 4 5 0.01 0.1 Frequency (MHz) WBC4-1T 3 dB bandwidth: 0.250 - 750 MHz 1 10 100 1000 10000 WBC16-1T 3 dB bandwidth: 0.600 - 300 MHz 1 10 100 1000 10000 Frequency (MHz) Attenuation (dB) Attenuation (dB) 0 1 2 3 4 5 0.01 0.1 1 0 1 2 3 4 5 0.01 0.1 Frequency (MHz) WBC4-14 3 dB bandwidth: 1.500 - 1200 MHz 10 100 1000 10000 WBC4-4 3 dB bandwidth: 0.250 - 800 MHz 1 10 100 1000 10000 Frequency (MHz) Attenuation measured on a network analyzer (re: 50 Ohms) Specifications subject to change without notice. Please check our website for latest information. Frequency (MHz) Document 424-3 Revised 02/17/09 (c) Coilcraft, Inc. 2009 |
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