1 current rating: over 75apk inductance range: 120nh to 310nh height: 6.5mm max footprint: 10.4mm x 8.0mm max halogen free pa1320.xxxnl mechanical schematic electrical specifcations @ 25c - operating temperature -40c to +130c part number inductance @ 0a ( n h 20%) inductance @ irated ( n h typ ) irated (a ) dcr (m ) saturation current (a typ) heating current (a typ ) 25 c 100 c pa1320.121nl 120 120 40 74 65 pa1320.141nl 140 140 40 66 52 pa1320.171nl 180 174 40 0.48 8% (nl) 52 44 40 pa1320.221nl 200 185 40 0.47 5%(anl) 50 42 pa1320.301nl 310 250 30 30 26 notes: 1. the rated current as listed is either the saturation current or the heating current depending on which value is lower. 2. the nominal dcr tolerance is by design. the nominal dcr is measured from point a to point b , as shown below on the mechanical drawing. the standard part pa1320.xxxnl has a dcr tolerance of +/-8%. a tighter dcr tolerance (+/-5%) part is available by changing the nl sufx to anl (i.e. pa1320.121nl becomes pa1320.121anl). 3. the saturation current is the typical current which causes the inductance to drop by 20% at the stated ambient temperatures (25c and 100c). this current is determined by placing the component in the specifed ambient environment and applying a short duration pulse current (to eliminate self-heating efects) to the component. 4. the heating current is the dc current which causes the part temperature to increase by approximately 40c. this current is determined by soldering the component on a typical application pcb, and then applying the current to the device for 30 minutes with 25lfm of forced air cooling. 4 3 2 1 dc dc 7 5. in high volt*time applications, additional heating in the component can occur due to core losses in the inductor which may necessitate derating the current in order to limit the temperature rise of the component. to determine the approximate total losses (or temperature rise) for a given application, the coreloss and temperature rise curves can be used. 6. optional tape & reel packaging can be ordered by adding a t sufx to the part number (i.e. pa1320.121nl becomes pa1320.121nlt). pulse complies to industry standard tape and reel specifcation eia481. 7. the temperature of the component (ambient plus temperature rise) must be within the stated operating temperature range. .410 10,41 .315 8,00 max max .256 6,50 .100 2,54 .290 7,37 .120 3,05 .1 10 2,79 .088 2,24 max 2x pa 1320.xxxn l d/c mfg. a b .256 6,50 .421 10,70 .323 8,20 .472 12,00 .945 .012 24.00 0,30 user direction of feed t ape & reel la yout 1 2 weight ................................2.05 grams tape & reel ...........................750/reel dimensions: unless otherwise specifed, all tolerances are inches mm .010 0,25 pulseelectronics.com smt power inductors power beads - pa1320nl and pa1320anl series spm2007 (11/13)
2 0 500 0.00 1.0 mhz 700 khz 500 khz 300 khz 600 khz 400 khz 200 khz 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 1000 1500 2000 2500 3000 0 0 10 20 30 40 50 60 70 80 90 100 110 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 coreloss (w) p a1320.xxxnl t emp rise vs po wer dissipation t emp rise abo ve ambient (c) (t r ise = 70.8* t otal po wer dissipation ) t otal po wer dissipation (w) = copperloss + coreloss copperloss = ir ms * rdc (m ) / 1000 coreloss = (from tab le) where b = 0.4 * l (nh) * i coreloss (w) b .833 2 .301nl .221nl .171nl .141nl .121nl 350 300 250 200 150 100 50 0 0 10 20 30 40 50 60 70 80 dc bias (a ) 0 10 20 30 40 50 60 70 80 dc bias (a ) induc tance (nh) 350 300 250 200 150 100 50 0 induc tance (nh) .301nl .221nl .171nl .141nl .121nl t ypical inductance vs dc bias @ 100?c t ypical inductance vs dc bias @ 25?c pulseelectronics.com smt power inductors power beads - pa1320nl and pa1320anl series spm2007 (11/13)
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