S & SL Series Surface Mount Wirewound Resistors • • • • • • • • Resistance: 0.005 to 50kOhms High Power: to 4 Watts Tolerance to ±0.01% High Temperature Rating up to 275°C Low Temperature Coefficient to ±20ppm/°C Superior Surge Handling Capability Non-Inductive Windings are Available (Type SN) Flame Resistant UL 94V-0 SPECIFICATIONS Type Power Rating Watts @ 70°C Resistance1 Range ( Ω ) S-1 0.5 0.01 to 400 S-2 1 0.005 to 3k S-4 2 0.01 to 15k S-3 3 0.01 to 25k S-5 4 0.01 to 50k SL-2 1 0.005 to 0.05 SL-4 2 0.005 to 0.07 1 Specification P*R For non-inductive windings / divide maximum resistance by 2 Value Tolerances S: ±0.01% to ±5% SL: ±0.1% to ±5% Temperature Coefficient S: >10Ω : ±20ppm/°C S: 1Ω to10Ω : ±50ppm/°C S: <1Ω : Call Factory SL: ±200ppm/°C, For Lower Call Factory Temperature Range -55°C to +275°C Dielectric Strength S: 1000 VAC SL: 500 VAC Insulation Resistance >1000 MOhms / Dry Reel / Tape Width (mm) S-1: 12 / S-2: 16 / S-3: 24 / S-4: 24 / S-5: 32 / SL-2: 16 / SL-4: 24 Environmental Performance (MIL-STD 202) ∆R MAX 120 Dielectric ±0.5% + 0.05Ω 100 Load Life ±1% + 0.05Ω Storage ±0.5% + 0.05Ω Moisture Resistance ±1% + 0.05Ω Thermal Shock ±0.5% + 0.05Ω 5X Overload ( 5s ) ±0.5% + 0.05Ω Shock ±0.5% + 0.05Ω Solder Heat Resistance ( 260C, 10s ) ±0.5% + 0.05Ω Riedon Inc. 8/14 Maximum Working Voltage 300 Cypress Avenue Power ( % ) Power Derating Curve Alhambra CA 91801 www.riedon.com 80 60 40 20 0 0 50 100 150 200 250 300 350 Ambient Temperature (°C) (626) 284-9901 (626) 284-1704 S & SL Series Surface Mount Wirewound Resistors SPECIFICATIONS (continued) Dimensions Type Stand-Off Footprint A ±0.015” [±0.4mm] B ±0.015” [±0.4mm] C ±0.015” [±0.4mm] D ±0.015” [±0.4mm] F ±0.015” [±0.4mm] Lead Thickness ±0.002” [±0.05mm] E ±0.015” [±0.4mm] Height ±0.005” [±0.13mm] W ±0.015” [±0.4mm] H ±0.015” [±0.4mm] L ±0.015” [±0.4mm] S-1 0.190 [4.8] 0.130 [3.3] 0.110 [2.8] 0.060 [1.5] 0.040 [1.0] 0.006 [0.15] 0.100 [2.5] 0.005 [0.13] 0.062 [1.6] 0.100 [2.5] 0.250 [6.4] S-2 0.260 [6.6] 0.155 [3.9] 0.125 [3.2] 0.070 [1.8] 0.070 [1.8] 0.006 [0.15] 0.120 [3.0] 0.005 [0.13] 0.096 [2.4] 0.150 [3.8] 0.337 [8.6] S-4 0.450 [11.4] 0.250 [6.4] 0.180 [4.6] 0.120 [3.0] 0.100 [2.5] 0.006 [0.15] 0.190 [4.8] 0.005 [0.13] 0.150 [3.8] 0.200 [5.1] 0.540 [13.7] S-3 0.625 [15.9] 0.270 [6.9] 0.250 [6.4] 0.120 [3.0] 0.135 [3.4] 0.006 [0.15] 0.150 [3.8] 0.005 [0.13] 0.200 [5.1] 0.220 [5.6] 0.700 [17.8] S-5 0.820 [20.8] 0.295 [7.5] 0.305 [7.7] 0.150 [3.8] 0.190 [4.8] 0.006 [0.15] 0.245 [6.2] 0.005 [0.13] 0.220 [5.6] 0.250 [6.4] 0.900 [22.9] SL-2 0.260 [6.6] 0.155 [3.9] 0.100 [2.5] 0.070 [1.8] 0.070 [1.8] 0.006 [0.15] 0.120 [3.0] 0.005 [0.13] 0.096 [2.4] 0.150 [3.8] 0.337 [8.6] SL-4 0.450 [11.4] 0.250 [6.4] 0.100 [2.5] 0.120 [3.0] 0.100 [2.5] 0.006 [0.15] 0.190 [4.8] 0.005 [0.13] 0.150 [3.8] 0.200 [5.1] 0.540 [13.7] Standard Package Quantities S-1 S-2 S-4 S-3 S-5 SL-2 SL-4 Small Reel 650 600 250 125 180 600 250 Large Reel 3000 2000 1000 500 500 2000 1000 Surface Mount Humidity Packaging: All Riedon Surface Mount wirewound resistors have a Moisture Sensitivity Level (MSL) rating of 2 (1-year floor life). Surface Mount parts are packaged in a Moisture Barrier Bag (MBB) with a Humidity Indicator Card and desiccant to monitor and protect the parts from humidity. The MBB is marked with a Moisture-Sensitive Identification Label. Ordering Information For Non-Inductive Windings / insert the letter “N” ( i.e. SN-4 ) Part Description: Part Type - Resistance - Tolerance - TCR ( If not standard ) Example: S-4 100 Ohm 1% Riedon Inc. 8/14 300 Cypress Avenue Alhambra CA 91801 www.riedon.com (626) 284-9901 (626) 284-1704