specifcations subject to change without notice. please check our website for latest information. wideband transformers document 425-1 document 425-1 revised 06/15/10 core material ferrite terminations rohs compliant matte tin over nickel over phos bronze. other terminations available at additional cost. weight 0.38 C 0.40 g ambient temperature C40c to +85c storage temperature component: C40c to +85c. packaging: C40c to +80c resistance to soldering heat max three 40 second refows at +260c, parts cooled to room temperature between cycles moisture sensitivity level (msl) 1 (unlimited foor 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 (sm version): 500 per 13 reel; plastic tape: 24 mm wide, 0.42 mm thick, 20 mm pocket spacing, 6.6 mm pocket depth; (th version): 54 per tube pcb washing only pure water or alcohol recommended ? surface mount and through hole versions ? 500 v interwinding isolation, 1/4 watt rf input power ? 250 ma max current rating. ? for a smaller package size, see our wbc series dimensions C surface mount parts dimensions C through hole parts dot indicates pin 1 0.225 5,72 0.100 2,54 0.100 2,54 0.100 2,54 0.30 7,6 max 0.025 0,64 dia typ 1 2 3 6 5 4 typ recommended boar dl ay out 0.300 0.010 7,62 0,25 90 -105 0.120 3,05 min dot indicates pin 1 0.325 8,26 max 0.325 8,26 max 0.285 7,24 max 0.285 7,24 max 0.100 2,54 0.025 0,64 0.225 5,72 0.03 0,76 0.06 1,52 0.520 13,2 0.40 10,2 0.10 2,5 0.10 2,5 typ max max recommended land p attern 0.520 0.010 13,21 0,25 0.400 10,16 typ 0.004 /0,10 0.010 0.020 0,25 0,51 typ 1 2 3 6 5 4 dimensions are in inches mm dimensions are in inches mm ? coilcraft, inc. 2011
wideband transformers specifcations subject to change without notice. please check our website for latest information. document 425-2 revised 06/15/10 document 425-2 6 4 3 1 6 5 4 3 2 1 6 4 3 2 1 impedance insertion pins 4 C 6 pins 1 C 3 dc part number ratio 2 bandwidth loss max l min 3 dcr max 4 l min 3 dcr max 4 imbalance 5 schematic sm 1 th pri : sec (mhz) (db) (h) (mohm) (h) (mohm) max (ma) wb1-1sl_ wb1-1l 1 : 1 0.150 C 500 0.70 27 75 27 75 wb1-6sl_ wb1-6l 1 : 1 0.100 C 350 0.50 25 100 25 100 wb1.18-3sl_ wb1.18-3l 1 : 1.18 0.040 C 300 0.50 90 300 108 330 wb1.5-6sl_ wb1.5-6l 1 : 1.5 0.050 C 325 0.26 56 120 84 150 wb2-1-2wsl_ wb2-1-2wl 1 : 2 0.080 C 700 1.00 38 100 75 150 wb2.5-6sl_ wb2.5-6l 1 : 2.5 0.080 C 225 0.26 30 100 75 130 wb4-6sl_ wb4-6l 1 : 4 0.100 C 125 0.50 25 100 100 200 wb9-1sl_ wb9-1l 1 : 9 0.125 C 125 0.57 25 100 225 250 wb16-1sl_ wb16-1l 1 : 16 0.050 C 100 0.60 56 75 896 330 wb36-1sl_ wb36-1l 1 : 36 0.100 C 45 0.50 25 50 900 180 wb1-1tsl_ wb1-1tl 1 : 1 0.100 C 375 0.51 25 100 25 100 30 wb1-6tsl_ wb1-6tl 1 : 1 0.050 C 200 0.20 70 150 70 150 18 wb2-1tsl_ wb2-1tl 1 : 2 0.070 C 400 1.00 38 100 75 150 29 wb2.5-6tsl_ wb2.5-6tl 1 : 2.5 0.050 C 125 0.28 56 120 140 200 13 wb3-1tsl_ wb3-1tl 1 : 3 0.040 C 500 0.40 96 110 270 200 4.0 wb4-1hsl_ wb4-1hl 1 : 4 0.100 C 500 0.50 25 120 100 160 15 wb4-6tsl_ wb4-6tl 1 : 4 0.050 C 200 0.50 43 120 172 160 5.0 wb5-1tsl_ wb5-1tl 1 : 5 0.050 C 400 0.30 48 220 240 500 13 wb8-1tsl_ wb8-1tl 1 : 8 0.150 C 400 0.76 18 100 144 270 17 wb13-1tsl_ wb13-1tl 1 : 13 0.150 C 125 0.72 17 90 221 200 10 wb16-6tsl_ wb16-6tl 1 : 16 0.050 C 100 0.60 56 75 896 330 25 wbt1-6sl_ wbt1-6l 1 : 1 0.040 C 200 0.25 70 150 70 150 19 wbt1.5-1sl_ wbt1.5-1l 1 : 1.5 0.040 C 350 0.30 60 150 90 180 19 wbt2.5-6sl_ wbt2.5-6l 1 : 2.5 0.050 C 100 0.26 70 150 175 200 11 wbt4-1sl_ wbt4-1l 1 : 3 0.040 C 150 0.26 45 120 135 160 13 wbt4-1asl_ wbt4-1al 1 : 4 0.040 C 350 0.40 96 110 384 220 3.5 wbt16-1sl_ wbt16-1l 1 : 16 0.100 C 100 0.50 25 100 400 300 7.5 wbt25-1sl_ wbt25-1l 1 : 25 0.100 C 65 0.50 25 100 625 350 6.0 1. when ordering, please specify packaging code: wb25-1sld packaging: d = 13 machine-ready reel. eia-481 embossed plastic tape (500 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 d instead. 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 max imbalance. 6. electrical specifcations at 25c. measurements are referenced to 50 ohms. refer to doc 362 soldering surface mount components before soldering. ? coilcraft, inc. 2011
specifcations subject to change without notice. please check our website for latest information. document 425-3 document 425-3 revised 10/30/08 transformers with no center taps 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb1-6 3 db bandwidth: 0.100 ? 350 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 100 0 atten uation (db) frequency (mhz) wb1.5-6 3 db bandwidth: 0.050 ? 325 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb2.5-6 3 db bandwidth: 0.080 ? 225 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb4-6 3 db bandwidth: 0.100 ? 125 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb9-1 3 db bandwidth: 0.125 ? 125 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb36-1 3 db bandwidth: 0.100 ? 45 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb1.18-3 3 db bandwidth: 0.040 ? 300 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb2-1-2w 3 db bandwidth: 0.080 ? 700 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb1-1 3 db bandwidth: 0.150 ? 500 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb16-1 3 db bandwidth: 0.050 ? 100 mhz attenuation measured on a network analyzer (re: 50 ohms) ? coilcraft, inc. 2011
specifcations subject to change without notice. please check our website for latest information. document 425-4 document 425-4 revised 10/30/08 transformers with secondary center tap 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb1-1t 3 db bandwidth: 0.100 ? 375 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb2-1t 3 db bandwidth: 0.070 ? 400 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb1-6t 3 db bandwidth: 0.050 ? 200 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb2.5-6t 3 db bandwidth: 0.050 ? 125 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb4-1h 3 db bandwidth: 0.100 ? 500 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb4-6t 3 db bandwidth: 0.050 ? 200 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb13-1t 3 db bandwidth: 0.150 ? 125 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb3-1t 3 db bandwidth: 0.040 ? 500 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb5-1t 3 db bandwidth: 0.050 ? 400 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb8-1t 3 db bandwidth: 0.150 ? 400 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb16-6t 3 db bandwidth: 0.050 ? 100 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wb16-6t 3 db bandwidth: 0.050 ? 100 mhz attenuation measured on a network analyzer (re: 50 ohms) ? coilcraft, inc. 2011
specifcations subject to change without notice. please check our website for latest information. document 425-5 document 425-5 revised 10/30/08 transformers with primary and secondary center taps 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt2.5-6 3 db bandwidth: 0.050 ? 100 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt4-1 3 db bandwidth: 0.050 ? 150 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt16-1 3 db bandwidth: 0.100 ? 100 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt25-1 3 db bandwidth: 0.100 ? 65 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt1-6 3 db bandwidth: 0.040 ? 200 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt1.5-1 3 db bandwidth: 0.040 ? 350 mhz 0 1 2 3 4 5 1 0.1 0.01 10 100 1000 atten uation (db) frequency (mhz) wbt4-1a 3 db bandwidth: 0.040 ? 350 mhz attenuation measured on a network analyzer (re: 50 ohms) ? coilcraft, inc. 2011
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