JOTVMBUFETVQFSNJOJBUVSFQSFDJTJPO NFUBMGJMNSFTJTUPST EU /&8 GFBUVSFT s Super high precision resistors with a wide resistance range of 100 - 5.11M respond to tolerance 0.01% and T.C.R. 5x10-6/K s Extremely stable resistors with less variation 0.01%/year s Designated resistances (marking in 4-digit effective figures) of tolerances 0.01% - 0.25% are available s Marking: black body color and alphanumeric marking s Products meet EU RoHS requirements EJNFOTJPOTBOEDPOTUSVDUJPO Trimming Line Dimensions inches (mm) Type Lead Wire L D SF1/8 .413.016 (10.50.4) .142.016 (3.60.4) SF1/4 .630.016 (16.00.4) .138.020 (5.50.5) SF1/2 .787.020 (20.00.5) .264.020 (6.70.5) od Outer Case Electrode Resin for Cap Sealing Ceramic Core L Resistive Film D d (Nominal) .026 (0.65) l 1.50.118 (383) .031 (0.8) PSEFSJOHJOGPSNBUJPO SF 1/8 Y C 1003 B Product Code Power Rating T.C.R. (x10-6/K) Terminal Surface Material Nominal Resistance Resistance Tolerance 1/8: 0.125W 1/4: 0.25W 1/2: 0.5W Y: 5 T: 10 C: SnCu 4 digits* T : 0.01% Q: 0.02% A: 0.05% B: 0.1% C: 0.25% D: 0.5% * It becomes a real number when a nominal resistance is 4 or more digits of significant figures. Contact us when you have control request for environmental hazardous material other than the substance specified by EU RoHS. SBUJOHT Type Power Rating SF1/8YC 0.125W SF1/8TC SF1/4YC 0.25W SF1/4TC SF1/2YC 0.5W SF1/2TC T.C.R. (x10-6/K) Y: 5 T: 10 Y: 5 T: 10 Y: 5 T: 10 Resistance Range T:0.01% E24, E96 Q:0.02% E24, E96 100 - 200k 100 - 200k 100 - 511k 100 - 511k 100 - 1M 100 - 1M A:0.05% E24, E96 100 - 200k 100 - 511k 100 - 511k 100 - 1M 100 - 1M 100 - 3.57M B:0.1% E24, E96 100 - 200k 100 - 511k 100 - 511k 100 - 1M 100 - 1M 100 - 5.11M C:0.25% E24, E96 100 - 200k 100 - 511k 100 - 511k 100 - 1M 100 - 1M 100 - 5.11M D:0.5% E24, E96 100 - 200k 100 - 511k 100 - 511k 100 - 1M 100 - 1M 100 - 5.11M Max. Working Voltage Max. Overload Voltage 250V 500V 300V 600V 350V 700V Rated Ambient Temperature: +70C Operating Temperature Range: -25C - +85C Rated voltage = Power RatingxResistance value or Max. working voltage, whichever is lower. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 12/10/09 KOA Speer Electronics, Inc s "OLIVAR $RIVE s "RADFORD 0! s 53! s s &AX s WWWKOASPEERCOM SFTJTUPST 4' SFTJTUPST 4' JOTVMBUFETVQFSNJOJBUVSFQSFDJTJPO NFUBMGJMNSFTJTUPST FOWJSPONFOUBMBQQMJDBUJPOT Derating Curve 100 % RatedPower 80 60 40 20 0 -40 -20 0 20 40 -25 60 80 70 100 85 (C) For resistors operated Ambient at an ambientTemperature temperature of 70C or above, a power rating shall be derated in accordance with the above derating curve. Performance Characteristics Test Items Performance Requirements $R% Test Methods Resistance Within specified tolerance 25C T.C.R. Within specified T.C.R. SF1/8 Rb200k +25C/-15C and +25C/+65C, R>200k25C/+65C SF1/4 Rb511k25C/-15C and +25C/+65C, R>511k25C/+65C SF1/2 Rb1M: +25C/-15C and +25C/+65C, R>1M25C/+65C Overload (Short Time) 0.05 0.05 Rated voltage x2.5 or Max. overload vol. whichever is lower, for 5s. 350C 10C, 3s +0.5s/-0s or 260C 5C, 10s1s Resistance to Soldering Heat 0.05 -25C (30min.)/ +85C (30min.), 5 cycles Rapid Change of Temperature 0.2 40C 2C, 90%-95%RH, 1000h Moisture Resistance 1.5h ON/0.5h OFF cycle Endurance at 70C 0.2 70C 3C, 1000h 1.5h ON/0.5h OFF cycle Variation Per Year 0.01%/Year Normal temperature and humidity for a year Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. 1211/09 KOA Speer Electronics, Inc s "OLIVAR $RIVE s "RADFORD 0! s 53! s s &AX s WWWKOASPEERCOM