MK06S WALSIN | Alldatasheet
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Page 1 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 MK06S , MK08S Thick Film Power Surge Chip Resistors High Grade AEC Q200 Qualified Anti-Sulfuration Size 0603, 0805 *Contents in this sheet are subject to change without prior notice.
Page 2 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 FEATURE 1. Power rating and compact size 2. High reliability and stability 3. Reduced size of final equipment 4. High anti-surge protection 5. Halogen free 6. Automotive high grade AEC Q-200 qualified 7. Anti-sulfuration against ASTM B-809 60’C, 95% RH, 1000hrs APPLICATION
- Power supply
- Measurement instrument
- Automotive industry
- Medical or Military equipment
DESCRIPTION
The resistors are constructed in a high grade ceramic body (aluminum oxide). Internal electrodes are added at each end and connected by a resistive paste that is applied to the top surface of the substrate. The composition of the paste is adjusted to request resistance to nominal value within tolerance which controlled by printing process in this resistive layer. The resistive layer is covered with a protective coat. Finally, the two external end terminations are added. For ease of soldering the outer layer of these end terminations is a Tin (Pb free) alloy. Fig 1. Construction of Chip-R MKxxS
Page 3 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 QUICK REFERENCE DATA Item General Specification General Specification Series No. MK06S MK08S Size code 0603 (1608) 0805 (2012) Resistance Tolerance ±0.5% ±1%, (E24+E96) ±5%, (E24) ±5%, (E24) Resistance Range 1Ω ~ 1MΩ 1 Ω ~ 1MΩ TCR (ppm/ °C) 10 Ω ~ 1M Ω 1Ω ~ 9.76 Ω ± 100 ppm /°C ± 200 ppm /°C ± 100 ppm /°C ± 200 ppm /°C Max. dissipation at T amb =70 °C 1/4W 1/3W Max. Operation Voltage 150V 200V Max. Overload Voltage 300V 400V Operation temperature - 55 ~ +155’C - 55 ~ +155’C Note : 1. This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication 60115-8” 2. Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by Value Resistance Power Rated RCWV ×= or Max. RCWV listed above, whichever is lower. MECHANICAL DATA(unit : mm) Symbol MK06S MK08S L 1.60 ± 0.10 2.00 ± 0.10 T 0.45 ± 0.10 0.55 ± 0.10 Tt 0.25 ± 0.10 0.30 ± 0.20 Tb 0.30 ± 0.10 0.40 ± 0.20 1 0 1
Page 4 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 MARKING 1. For 0805, each resistor is marked with 3 digits or 4 digits on the protective coating to designate the nominal resistance value. E24 series: 3 digits; E96 series: 4 digits. In case E96 overlaps with E24, 3 digits should be marked. 2. For 0603 E24, each resistor is marked with 3 digits. No marking for E96! 3. Example as below Single pulse limiting power chart MK06S Surge resistor single pulse chart 11 11 10 10 10 10 100 100 100 100 1000 1000 1000 1000 Duration time (msec) Pulse power ( ＷＷＷＷ) MK06S De-rating curve The power that the resistor can dissipate depends on the operating temperature; see Fig.2
Page 5 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 MOUNTING Due to their rectangular shapes and small tolerances, Surface Mountable Resistors are suitable for handling by automatic placement systems. Chip placement can be on ceramic substrates and printed-circuit boards (PCBs). Electrical connection to the circuit is by individual soldering condition. The end terminations guarantee a reliable contact. SOLDERING CONDITION The robust construction of chip resistors allows them to be completely immersed in a solder bath of 260 °C for 10 seconds. Therefore, it is possible to mount Surface Mount Resistors on one side of a PCB and other discrete components on the reverse (mixed PCBs). Surface Mount Resistors are tested for solderability at 235°C during 2 seconds. The test condition for no leaching is 260 °C for 30 seconds. Typical examples of soldering processes that provide reliable joints without any damage are given in Fig 3. Fig 3. Infrared soldering profile for Chip Resistors CATALOGUE NUMBERS The resistors have a catalogue number starting with . MK06 S 472_ J T L Size code MK06 : 0603 MK08: 0805 Type code S : surge Resistance code E24 : 3 significant digits followed by no. of zeros and a blank 472 = 4K7 Tolerance J: ±5% ±1% D: ±0.5% Packaging code T : 7” Reeled taping Termination code L = Sn base (lead free) Taping quantity 0603/0805 Chip resistors 5,000 pcs paper tape per 7” reel.
Page 6 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 TEST AND REQUIREMENTS(JIS C 5201-1 : 1998) TEST PROCEDURE REQUIREMENT High temperature exposure MIL-STD-202 method 108 155 ºC, no load, 1000hours ΔR/R max. ±(1%+0.05 Ω ) no visible damage Temperature cycling AEC Q200-4 30 minutes at -55 °C ±3°C, 2~3 minutes at 20° C+5° C-1° C, 30 minutes at +155 °C ±3°C, 2~3 minutes at 20° C+5° C-1° C, total 1000 cycles no visible damage ΔR/R max. ±(0.5%+0.05 Ω ) Bias Humidity MIL-STD-202 method 103 1000 hours, at 10% rated continuous power in humidity chamber controller at 85 °C ±2°C and 85% relative humidity, ΔR/R max. ±(1%+0.05 Ω ) no visible damage Operational Life MIL-STD-202 method 108 1000+48/-0 hours; 35% of operation power, 125 ±2°C ΔR/R max. ±(1%+0.05 Ω ) no visible damage Resistance to Solvent MIL-STD-202 method 215 Solvent: 2−propanol at 25 ℃ Immersion time: 3 min Brush: 10 times brushing Immersion and brush cycle: 3cycle ΔR/R max. ±(0.5%+0.05 Ω ) no visible damage Mechanical Shock MIL-STD-202 method 213 Waveform: half sine, Peak value 100G, Normal duration 6ms Condition: XX'YY'ZZ', 10times each ΔR/R max. ±(0.5%+0.05 Ω ) no visible damage Vibration MIL-STD-202 method 204 Peak acceleration and Sweep time: 5 g's for 20 min , Frequency 10Hz to 2000Hz, Condition: 12 cycles each of 3 orientations ΔR/R max. ±(0.5%+0.05 Ω ) no visible damage Resistance to soldering heat (R.S.H) MIL-STD- 202 method 210 Un-mounted chips completely immersed for 10 ±1second in a solder bath at 260℃±5ºC ΔR/R max. ±(0.5%+0.05 Ω ) no visible damage ESD test JIS-STD-002 Human body model, 2 Kohm, 150 pF, Test voltage: 2KV ΔR/R max. ±(1%+0.05 Ω ) no visible damage Solderability JIS-STD-002 a) Bake the sample for 155 ºC dwell time 4hrs / solder dipping 235ºC/ 5s. Solder: Sn96.5-Ag3-Cu0.5 b) Solder dipping 215ºC/ 5s. Solder: Sn63Pb37 c) Solder dipping 260ºC/ 7s. good tinning (>95% covered) no visible damage Temperature Coefficient of Resistance(T.C.R) Clause 4.8 Natural resistance change per change in degree centigrade. ( ) 12 1 12 10 ×− ttR RR (ppm/ °C) t 1 : 20° C+5° C-1° C R 1 : Resistance at reference temperature R 2 : Resistance at test temperature +155’C Refer to “QUICK REFERENCE DATA” Bending strength AEC Q200-005 Resistors mounted on a 90mm glass epoxy resin PCB(FR4); bending : 2 mm, once for 60 seconds ΔR/R max. ±(0.5%+0.05 Ω ) no visible damage Adhesion AEC Q200-006 Pressurizing force: 10N for 0603; 17.7N for 0805, Test time: 60±1sec. ΔR/R max. ±(0.5%+0.05 Ω ) No remarkable damage or removal of the terminations Sulfuration test ASTM B-809-95 ASTM B-809-95 Sulfur vapor Test temp.: 60°C Relative humidity: 95% Test period: 1000h ΔR/R max. ±(1%+0.05 Ω ) no visible damage
Page 7 of 7 ASC_MKxxS_AUTO_V02 OCT 2016 PACKAGING Tape specifications (unit :mm) Series No. A B W F E Series No. P1 P0 Φ D T 0 . 050 . 1+ Φ Max. 0.8 0 . 050 . 1+ Φ Max. 1.0 Reel dimensions Reel / Tape A B C D Taping quantity - 0603/0805 Chip resistors 5,000 pcs paper tape per 7” reel.