Metal Element Metal Element Metal Element Current Sense ResistorCurr Cur e r nt Sense Resistor ent Sense Resistor ULR Series ULR Series ULR SeriesElectrical ConnectionsElectrical Connections 4-wire pad layout 5 2 2 1 Electrical Connections 2-wire pad layout 2 1 5 2 4-wire measurement points 2 1 5 2 2512 a 4-wire measurement points 5 2 a 2 1 4-wire pad layout 2 1 5 2 2-wire pad layout 5 2 2 1 4-wire measurement points 5.4 2 1 5 2 2-wire pad layout 2 1 5 2 a 4-wire measurement points 5.4 5 2 a 2 1 1.2 5.4 5.4 L Metal Element 1.0 3.45 1.5 L 1.2 Cur 3.45rent Sense Resistor 1.5 L 1.0 L 3.45 1.5 0.5 L u3.45 m m : ti n ULR Series 1.5 n u i 0.5 m m : t m m : ti n u Probe dia. ti n u :L Probe dia. 0.5 mm :t i n u m m u i n 0.5 : t m m n u : ti m m Probe dia. 4 i w - e r l d a p t u o y a 0 1 0 2 2 a p e ri w - d a l u o y t 0 2 0 1 i w - 4 m e r a e r u s m e s t n i o p t n e 0 1 0 2 Electrical Connections u ti n : m m Probe dia. t 2010 e ri w - 4 a e m e r u s e m t n p n i o s t 0 2 10 w - 4 e ri d a p ay a l t u o 0 1 0 2 w - 2 e ri Electrical Connections 4-wire pad layout 5 2 2 1 Electrical Connections al d a p t u o y a 0 1 0 2 w - 4 e m e ri a e r u s p t n e m 2-wire pad layout 2 2 1 5 4.32 n i o s t 0 2 0 1 4-wire measurement points 2 1 5 2 ut 1 0 2 0 4 e ri w - e m a e r u s t n e m 4.32 i o p s t n 0 1 0 2 a a a 1.05 4-wire pad layout 2 1 5 2 a 2-wire pad layout 2 1 5 2 4.32 4-wire measurement points 5.4 5 2 2 1 0.8 L L a 4.32 L a 2.9 1.2 1.05 1.2 5.4 2.9 1.2 0.8 L L 0.5 1.0 3.45 1.5 L unit: mm L 2.9 1.2 1.2 unit: mm 0.5 unit: mm Probe dia. 2.9 1.2 unit: mm Probe dia. L 0.5 1.0 L 3.45 1.5 0.5 unit: mm 4 i w - e r l d a p t u o y a 0 2 1 6 unit: mm 2 0.5 w - p e ri a l d a o y ut 0 2 1 6 unit: mm Probe dia. m e ri w - 4 s a e t n e m e r u s t n i o p 1 0 2 Probe dia.6 n u m : ti m n u m m : ti m : ti n u m Probe dia. t 1206 i w - 4 L unit: mm e r r u s a e m e m e n p t n i o s t 0 2 1 6 0.5 w - 4 e ri d a p y a l t u o 6 0 2 1 w - 2 e ri l d a p t u o y a 6 0 2 1 w - 4 e m e ri a e r u s p t n e m n i o s t 2 1 Probe dia.6 0 n u ti : m m 4 i w - e r l d a p a n u ti m m : t u o y a 0 1 0 2 i w - 2 d a p e r l a m m : ti n u y a t u o 2 1 0 0 ri w - 4 s a e m e 2.6 t n i o p t n e m e r u s 2 0 1 0 ut 0 2 1 6 ri w - 4 e a e m su p t n e m e r n i o s t 6 0 2 1 2.6 w - 4 e ri d a p a ay a l t u o 0.7 0 1 0 2 i w - 2 e r p d aal a u o y a t 2 0 1 0 w - 4 m e ri e r u s a e e m 2.6 t n p 4.32 n i o s t 20 0 1 0.5 L 1.9 1.25 L 2.6 L 1.9 a 1.25 0.7 1.05 a 4.32 0.5 0.5 L L 0.8 1.9 1.25 L L unit: mm unit: mm 0.5 2.9 unit: mm 1.2 Probe dia. L 1.9 1.25 1.05 unit: mm Probe dia. 0.5 L 0.5 unit: mm 0.8 unit: mm 0.5 2.9 unit: mm 1.2 Probe dia. unit: mm L unit: mm unit: mm Probe dia. unit: mm Probe dia. Note: These resistors are designed to have the correct ohmic value when mounted on a PCB. Probed measurements may r 0.5 ead higher values and mounting offsets may need to be established to account for this, especially with sub-milliohm values. 4 Package unit: mm i w - e r l d a p t u o y a Resistance 0 2 1 a 6 2 i w - r L unit: mm PackageResistance p e a l d a o y ut 6 0 2 1 unit: mm aLPackage - 4 Resistance ri w e m e a st n i o p t n e m e r u s a L Probe dia. 2 1 6 0 PackagePackagePackage(mΩ)ResistanceaLPackageResistance (m Ω ) (mΩ)ResistanceResistancea aLL(mΩ)abcdefPackage 2512 - Black w - 4 e ri d a p y a l t u o Resistance All (mΩ)(mΩ)a 2.7 6 0 2 1 w - 2 i L 1206 Package 0.2 - 0.4 Resistance 2.9 d a p e r a l o y t u 0 2 1 6 4 1 0.75 1.9 0.4 a w - e m e ri e r u s a n e m 1.550.6 2.15 L t n i o p t s 0.55 1 0 2 6 0.6 Package a 1 (mΩ)Resistance 0.5, 0.6, 1, 4 - 6 a 1.55 1.55 L 0.55 a 0.55 (mΩ) 0.5, 0.6 1.55 0.55 0.5 3.13 0.52 2010 0.2 - 0.4 2 - 3 1.35 2.89 1.05 2.6 1.4 0.6 1.55 0.5, 0.6 1.55 0.55 3.08 0.6 2512 - Black 1206 All (mΩ) 2 - 3 2 – 3, 10 2.7 1.05 1.05 2.9 1.55 1.55 1 1, 4 – 6 1.55 0.55 0.75 0.7 2.93 0.94 2512 - Green 2010 - Green 0.15 - 0.3 4 - 6 2 3.4 1.55 1.0 0.6 0.55 a 1, 4 – 67 – 9 1.55 1.35 0.55 a 1206 2.8 0.6 2010 - Green 0.5 1 4 - 6 3.13 1.55 1.55 0.52 0.55 0.55 0.95 L 2 - 3 0.5 1206 Underside 1.9 0.4 2 – 3, 10 1.05 1.25 1.5 3.4 2.0 2.6 1.55 1 L 2.38 2.04 7 - 9 1.350.6 0.95 3.8 0.6 0.75 2 - 3 2 – 3, 10 1.05 0.5 1.55 7 - 9 0.7 2.93 1.35 2.61 0.94 0.95 1.55 0.3 2010 - Green 4 - 6 1.55 0.55 1.5 1.88 3.04 10 7 – 9 1.05 1.35 1.55 0.5 0.95 0.5 2010 - Green 1 4 - 6 1.55 0.55 L 10 7 – 91, 4 - 5 2.38 1.05 1.35 2.29 2.04 L 1.55 0.95 1.9 7 - 9 1.25 1.35 0.95 2512 - Green unit: mm 2 - 3 1.63 3.54 unit: mm 0.95 1 unit: mm 2.29 0.95 0.5, 1, 4 - 5 2.29 0.95 Probe dia. 11.5 7 - 9 1.88 1.35 2.29 3.04 0.95 0.95 10 1.05 1.55 2010 4, 4.5 0.5, 1, 4 - 5 2, 6 – 8 2.63 2.29 1.99 1.54 0.95 1.55 2 1.99 0.5 1.55 2512 - Green unit: mm 22 - 3 10 1.63 1.05 1.99 3.54 unit: mm 1.55 1.55 1 2, 6 – 8 unit: mm 2.29 1.99 0.95 1.55 5 - 6 3 2.38 1.49 2.04 2.55 2010 a 3 1.49 2.55 Probe dia. 2, 6 – 8 1.99 1.55 2010 34, 4.5 1 2.63 2.29 1.49 1.54 0.95 1206 - Green 2.55 2 3 1.99 1.49 1.55 6.5, 7 1.88 3.04 4 - 5 2.29 0.95 2.55 1206 - Green 9 - 10 1.74 2.05 Package 5 - 6 Resistance 2 4 - 5 3 2.38 a 1.99 2.29 1.49 2.04 L 1.55 0.95 2.55 Package 3 Resistance 1.49 a 2.55 8 - 22 1.63 3.54 1206 - Green Package 6 - 8 9 - 10 Resistance 1.99 1.74 a 1.55 2.05 LL 2512 - Black 6.5, 7 (mΩ) 3 6 - 8 9 - 10 All 1.88 1.49 1.99 1.742.7 3.04 2.55 1.55 2.05 2.9 4 - 5 (mΩ) c 2.29 0.95 1206 - Green 9 - 10 (mΩ) 1.74 2.05 Package 2512 - Black 8 - 22 Resistance All 4 - 5 9 - 10 0.5 1.63 a 2.7 2.29 1.74 3.13 3.54 L 0.95 0.54 Package 2.9 2.05 6 - 8 Resistance 1 1.99 a 1.55 1.55 LSuggested Alternative 4- 0.55 (mΩ)Wire Design Methods 0.5, 0.6 1.55 0.55 0.5 6 - 8 0.75 3.13 1.99 2.93 0.52 1.55 b I+ d 0.94 9 - 10 (mΩ) 2 - 3 1.74 1.05 I- V+ V- 2.05 1.55 2512 - Black All 9 - 10 2.7 1.74 2.9 2.05 1 1, 4 – 6 1.55 0.55 0.75 1 2.93 2.38 0.94 2010 - Green 4 - 6 1.55 0.55 2.04 1206 0.5 3.13 0.52 2 - 3 2 – 3, 10 1.05 f 1.55 1 2.38 2.04 7 - 9 1.35 0.95 0.75 1.5 2.93 1.88 0.94 3.04 2010 - Green 4 - 6 1.55 0.55 2512 - Green 1.5 1.88 3.04 10 7 – 9 1.05 1.35 1.55 2512 - Green 0.95 Note: Nominal values; tolerances not included 2 - 3 1.63 3.54 Underside 1 2.38 2.04 7 - 9e 1.35 0.95 Underside 2 - 3 1.63 3.54 1 2.29 0.95 0.5, 1, 4 - 5 2.29 0.95 1.5 4, 4.5 1.88 2.63 3.04 1.54 10 1.05 1.55 Note: Nominal values; tolerances not included Wire and Film Technologies Division 4, 4.5 2.63
• 4222 South Staples Street • Corpus Christi 1.54 Texas 78411 USA 2 1.99 1.55 Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com 2512 - Green • 4222 South Staples Street • Corpus Christi Texas 78411 USA 2 - 3 5 - 6 1.63 2.38 3.54 2.04 1 2, 6 – 8 ULR Issue April 2011 Sheet 3 of 6 2.29 1.99 0.95 1.55 5 - 6 2.38 2.04 2010 3 1.49 2.55 Wire and Film Technologies Division 4, 4.56.5, 7 2.63 ULR Issue April 2011 Sheet 3 of 6 1206 - Green 1.88