1% / 0.5% / 0.1% Tolerance 0.05% / 0.02% Tolerance 0.01% Tolerance 0.005% Tolerance r se Is Tro w Idnuower Pcer Is Ino wr P s re Ise k ye Ferutae S Temperature Coefficients of 2ppm/C Temperature Range -55C to +145C Resistance to 6 Mega-Ohms Resistance Tolerance starting at 0.005% Long Term Stability / 100ppm/year High TCR Available - Platinum & Balco Wire Matched Resistance Sets to 0.001 and 0.5 ppm/C 100% Acceptance Tested Options available: Wide TCR Range, High Stability and Fast Rise Time a noitacilpp S Smart Grid Metering Engine Sensors Power Inverters Temperature Sensors p tcudor Syrammu PRODUCT SERIES RESISTANCE POWER RATING TEMPERATURE TEMPERATURE 1 TOLERANCE 1 (RWP) () (W) COEFFICIENT RANGE >100 : 10ppm/C Radial Up to 1M 0.125 to 0.500 0.005% to 10 to100 : - 55C to + 145C 1% 20ppm/C Axial Up to 6M 0.06 to 2.00 <10 : 30ppm/C 1 See Power Derating Curve a Velbalia o noitp S (Consult Factory) Power Derating Curve Wide TCR Range: Low and High TC 180 configurations from -20ppm/C to +6000ppm/C. 160 Down to 1ppm/C available. 140 High Stability: High stability version with maximum 120 resistance change of 20ppm/year under normal 100 conditions. 80 Fast Rise Time: Low reactance design for fast rise 60 time and extended frequency response. 40 Special Testing Requirements 20 Special Pulse Requirements 0 0 20 40 60 80 100 120 140 160 Ambient Temperature (C) Hwo ot o redr RWP A01 W 038K0 F S RESISTOR WIREWOUND PACKAGE CODE, TEMPERATURE COEFFICIENT RESISTANCE TOLERANCE PACKING PRECISION WATTS, VOLTAGE OF RESISTANCE (TCR) Radial W = 10ppm/C 0R038 = 0.038 V = 0.005% S = Bulk B01, 0.125W, 150Vmax U = 20ppm/C 003K8 = 3.8K T = 0.01% T = Tape & Reel B02, 0.250W, 150Vmax S = 30ppm/C 038K0 = 38.0K Q = 0.02% Axial Z = special 380K0 = 380.0K A = 0.05% A01, 0.06W, 75Vmax 003M8 = 3.8M B = 0.1% A02, 0.08W, 100Vmax Letter denotes decimal place. F = 1.0% 3 6 See Table R = decimal., K 10 , M 10 Remaining 4 digits are significant or placeholders For Tin/Lead coated leads, add -Pb to part number. Standard Termination Finish: Matte Tin(Sn) Example P/N: RWPA01W038K0FS is Resistor Wirewound Precision 0.06W, 75V, 10ppm/C 38.0K, 1.0%, bulk 32 www.johansondielectrics.com Rated Power ( % )r se Is Tro w Idnuower Pcer Is Ino wr P s re Ise r laida Radial Dimensions Package Code B01 B02 B03 B04 Max Resistance () 500k 750k 500k 1M Max Working Voltage (V) 150 150 150 150 Power Rating (W) 0.125 0.250 0.300 0.500 Width 0.140 0.150 0.102 0.160 0.010 3.56 3.81 2.59 4.06 0.25mm Height 0.250 0.270 0.320 0.525 0.025 6.35 6.86 8.13 13.34 Dimensions 0.64mm Inches mm Length 0.270 0.540 0.300 0.585 0.010 6.86 13.72 7.62 14.86 0.25mm 1 Lead Length 1.00 25.40mm Min Lead Diam- 1 0.032 0.032 0.025 0.032 eter Axial Dimensions 0.81 0.81 0.64 0.81 0.002 0.05mm Lead Spacing 0.125 0.250 0.150 0.400 0.015 3.18 6.35 3.81 10.16 0.4mm Moisture Sensitivity Level: MSL-1 a Xlai 2 Lead Length 1.50 38.10mm Min Package Code A01 A02 A03 A04 A05 A06 A07 A08 A09 A10 A11 A12 Max Resistance () 75k 150k 150k 250k 250k 400k 500k 500k 750k 750k 1M 1M Max Working Voltage (V) 75 100 100 100 100 150 150 100 200 200 200 200 Power Rating (W) 0.06 0.08 0.08 0.10 0.10 0.12 0.15 0.15 0.175 0.20 0.20 0.20 Length 0.210 0.260 0.260 0.375 0.312 0.250 0.295 0.250 0.375 0.450 0.375 0.375 0.025 5.33 6.60 6.60 9.53 7.92 6.35 7.49 6.35 9.53 11.43 9.53 9.53 0.64mm Diameter 0.100 0.125 0.125 0.125 0.156 0.187 0.187 0.250 0.187 0.187 0.250 0.250 0.005 2.54 3.18 3.18 3.18 3.96 4.75 4.75 6.35 4.75 4.75 6.35 6.35 Dimensions 0.13mm Inches mm Lead Diameter 0.020 0.020 0.025 0.020 0.020 0.025 0.025 0.025 0.025 0.025 0.032 0.025 2 0.51 0.51 0.64 0.51 0.51 0.64 0.64 0.64 0.64 0.64 0.81 0.64 0.002 0.05mm Package Code A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 Max Resistance () 1M 1.2M 1.2M 2.5M 2.5M 3.8M 3.8M 6M 6M 6M 6M Max Working Voltage (V) 250 300 300 400 400 300 400 600 800 900 1000 Power Rating (W) 0.25 0.25 0.25 0.33 0.33 0.40 0.50 0.75 1.00 1.50 2.00 Length 0.465 0.500 0.500 0.750 0.750 0.500 0.750 1.000 1.000 1.500 2.000 0.025 11.81 12.70 12.70 19.05 19.05 12.70 19.05 25.40 25.40 38.10 50.80 0.64mm Diameter 0.210 0.250 0.250 0.250 0.250 0.375 0.375 0.375 0.500 0.500 0.500 Dimensions 0.005 5.33 6.35 6.35 6.35 6.35 9.53 9.53 9.53 12.70 12.70 12.70 0.13mm Inches mm Lead 2 0.025 0.032 0.025 0.032 0.025 0.032 0.032 0.032 0.032 0.032 0.032 Diameter 0.64 0.81 0.64 0.81 0.64 0.81 0.81 0.81 0.81 0.81 0.81 0.002 0.05mm Moisture Sensitivity Level: MSL-1 This datasheet is subject to change without notice. 33 www.johansondielectrics.com