PCS Series Low Resistance Value Chip Resistors featureS Low Resistance to 0.5m Low TCR to 50ppm Excellent long term stability RoHs compliant and halogen free Lead free High precision current sensing and voltage division SerieS SPeCifiCationS Power Max. Max. Resistance Range (m) Rating Rated Overload 1.0% (F), Type 70C Current Current 0.5% 2.0% (G), 5.0% (J) Material R001: MnCuSn PCS1206 1W 31.62A 63.25A 7~50 1~50 R002~R007: MnCu R008~R050: FeCrAl R0005: MnCuSn 1W 44.72A 100.00A 0.5~500 PCS2512 R001~R006: MnCu 2W 63.25A 141.42A 7~450 0.5~450 R007~R500: FeCrAl PCS2728 4W 31.62A 54.77A 7~450 4~450 R004~R450: FeCrAl CharaCteriStiCS Rated current P/R may be used to determine Derating Construction the DC (Direct Current) or AC (Alternating Current) (RMS, root 100 Marking layer Metal alloy plate -55C mean square value) of normal Overcoat +70C Copper 80 rated power. However, if the Nickel Tin 60 result value exceeds the highest current of regulated standards 40 (paragraph 5), the highest nor- 20 mal rated power is to be used. 0 TCR 50ppm/C -60 -30 0 30 60 90 120 150 170 Ambient Temperature (C) Oper. Temp. Range -55 ~ +170C 25C 5 humidity 60% 20% Storage Plating thickness Ni: 2m Sn: 3m (continued) 4 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com % Rated PowerPCS Series Low Resistance Value Chip Resistors SoLDerinG IR Reflow Soldering Wave Soldering (Flow Soldering) 300 Temp. (C) Peak: 250C +5/-0 235~260 Soldering max. 10 sec. 230C or higher 250 first wave second wave 180 200 200K/s -5K/s -2K/s Preheating 150 150 100~130 Cooling Pre-heating zone Soldering zone 100 90 sec. 30 30 sec. 10 forced 2K/s cooling 50 0 Time (sec.) 0 50 100 150 200 250 Time (s) DimenSionS Type Power Rating L W T1 Res. Range H T2 L T PCS1206 1W 3.200 .254 1.650 .254 0~0.200 1~2m 0.630 .254 0.508 .254 1 3~50m 0.430 .254 0.508 .254 0.5~1m 0.650 .254 2.200 .254 1.5m 0.410 .254 2.000 .254 W PCS2512 1W, 2W 6.350 .254 3.050 .254 0.200~1.000 2m 0.410 .254 1.400 .254 2.5~100m 0.410 .254 1.100 .254 101~500m 0.410 .254 0.850 .254 PCS2728 4W 6.600 .254 6.700 .254 0.200~1.000 4~450m 0.620 .254 1.200 .254 H T 2 Land pattern Type Res. Range A B C B C PCS1206 1m~50m 2.18 1.60 0.66 0.5m~1.5m 3.68 3.05 1.27 PCS2512 2m~3.5m 3.68 2.11 3.18 A 3.6m~500m 3.68 1.90 3.50 PCS2728 4m~450m 7.82 2.75 3.51 (continued) 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 5 Temperature C