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| MNR18 Resistors Chip resistor networks MNR18 (1608x8 size) !Features 1) Suitable for damping resistors. 2) Convex electrodes Easy to check the fillet after soldering is finished. 3) High-density mounting Can be mounted even densely than eight 1005 chips (MCR01), and mounting costs are lower. 4) Compatible with a wide range of mounting machines. Squared corners make it excellent for mounting using image recognition machines. 5) ROHM resistors have approved ISO-9001 certification. Design and specifications are subject to change without notice. Carefully check the specification sheet supplied with the product before using or ordering it. !Ratings Item Rated power Conditions Power must be derated according to the power derating curve in Figure 1 when ambient temperature exceeds 70C. 100 80 60 40 20 0 Specifications 0.063W (1 / 16W) at 70C POWER LOAD (%) -55 0 70 100 125 AMBIENT TEMPERATURE (C) Fig.1 Rated voltage The voltage rating is calculated by the following equation. If the value obtained exceeds the limiting element voltage, the voltage rating is equal to the maximum operating voltage. E : Rated voltage (V) P : Rated power (W) R : Nominal resistance () E= PxR Nominal resistance Operating temperature See Table 1. Limiting element voltage 25V -55C~+125C Table 1 Resistance tolerance J (5%) Resistance range () 10R1M (E24) Resistance temperature coefficient (ppm / C) 200 Before using components in circuits where they will be exposed to transients such as pulse loads(short-duration, high-level loads), be certain to evaluate the component in the mounted state. In addition, the reliability and performance of this component cannot be guaranteed if it is used with a steady state voltage that is greater than its rated voltage. MNR18 Resistors !Characteristics Item Resistance Variation of resistance with temperature Overload Guaranteed value Resistor type J : 5% See Table.1 (2.0%+0.1) A new uniform coating of minimum of 95% of the surface being immersed and no soldering damage. (1.0%+0.05) No remarkable abnormality on the appearance. (1.0%+0.05) (3.0%+0.1) Damp heat, steady state (3.0%+0.1) Endurance at 70C (3.0%+0.1) Endurance (1.0%+0.05) Resistance to solvent (1.0%+0.05) Without mechanical damage such as breaks. Test conditions (JIS C 5201-1) JIS C 5201-1 4.5 JIS C 5201-1 4.8 Measurement : -55 / +25 / +125C JIS C 5201-1 4.13 Rated voltagex2.5, 2s. Limiting element voltagex2 : 50V JIS C 5201-1 4.17 Rosin*Ethanol (25%WT) Soldering condition : 2355C Duration of immersion : 2.00.5s. JIS C 5201-1 4.18 Soldering condition : 2605C Duration of immersion : 101s. JIS C 5201-1 4.19 Test temp. : -55C~+125C 5cyc JIS C 5201-1 4.24 40C, 93%RH Test time : 1,000h~1,048h JIS C 5201-1 4.25.1 Rated voltage, 70C 1.5h : ON - 0.5h : OFF Test time : 1,000h~1,048h JIS C 5201-1 4.25.3 125C Test time : 1,000h~1,048h JIS C 5201-1 4.29 235C, Immersion cleaning, 50.5min. Solvent : 2-propanol JIS C 5201-1 4.33 Solderability Resistance to soldering heat Rapid change of temperature Bend strength of the end face plating !External dimensions (Units : mm) 3.80.1 a a b B a : 0.30.1 b : 0.20.1 c : 0.50.1 No. 1 Material Resistive element (Oxide metal thick film) Silver paladium thick film electrode (Resin side termination.) Nickel electrode Sn/Pb or Sn electrode Alumina substrate Over-coating (Resin) A A' 1.60.1 0.30.2 0.30.2 2 3 c c 4 B' 5 0.450.1 2 3 4 6 Cross section A-A' 6 1 5 Cross section B-B' 1 6 Maqnification 5 MNR18 Resistors !Equivalent circuit R1 R2 R3 R4 R5 R6 R7 R8 R1 = R2 = R3 = R4 = R5 = R6 = R7 = R8 !Packaging Reel Taping P0 P2 P1 D0 E F B0 08 06 04 02 02 04 06 08 W A B D A0 Heat crimp cover / Tape Chip network Thick paper resistors Square punchout hole (Underside paper tape) mount T2 C Label EIAJ ET-7200A compliant (Units: mm) W F E A0 B0 (Units: mm) A B C D 8.00.3 D0 3.50.05 P0 1.750.1 P1 1.950.15 P2 4.10.15 T2 0 180 -3 +1 60 0 +1.0 9 0 130.2 1.5 +0.1 0 4.00.1 4.00.1 2.00.05 Max. 1.1 !Product designation Part No. Packaging / Processing specifications Circuit configuration code AP MNR18 Resistance tolerance J 5% Nominal resistance 3-digit IEC coding system Code E0 Part No. MNR18 Packaging Package style Taping Paper tape with reel (5,000) MNR18 Resistors !Electrical characteristics TEMPERATURE COEFICIENT (ppm/C) 6.0 5.0 4.0 3.0 2.0 1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 10 100 1k 10k 100k 1M JIS C 5201-1 4.5 SAMPLE SIZE : n=24pcs 20C 65%RH 400 300 200 R/R (%) 6.0 JIS C 5201-1 4.8 SAMPLE SIZE : n=24pcs 25C / -55C 25C / 125C 5.0 4.0 3.0 2.0 1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 DC RESISTANCE (%) JIS C 5201-1 4.13 SAMPLE SIZE : n=24pcs RATED VOLTAGEx2.5TIMES 2S LIMITING ELEMENT VOLTAGEx2 : 50V 100 0 -100 -200 -300 -400 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M RESISTANCE () RESISTANCE () RESISTANCE () Fig.2 Resistance Fig.3 Vatiation resistance with temperature Fig.4 Overload 3.0 2.0 1.0 R/R (%) R/R (%) 3.0 6.0 JIS C 5201-1 4.18 SAMPLE SIZE : n=24pcs SOLDERING CONDITION : 260C 10S 2.0 1.0 JIS C 5201-1 4.19 SAMPLE SIZE : n=24pcs -55C / 125C 5cyc 5.0 4.0 3.0 2.0 JIS C 5201-1 4.24 SAMPLE SIZE : n=24pcs 40C 93%RH WITH NO LOAD 1,000h R/R (%) 1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 0 -1.0 -2.0 -3.0 0 -1.0 -2.0 -3.0 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M 10 100 1k 10k 100k 1M RESISTANCE () RESISTANCE () RESISTANCE () Fig.5 Resistance to soldering heat Fig.6 Rapid change of temperature Fig.7 Damp heat, steady state 6.0 5.0 4.0 3.0 2.0 JIS C 5201-1 4.25.1 SAMPLE SIZE : n=24pcs 70C 1,000h OVERLOAD : THE RATED VOLTAGE 6.0 5.0 4.0 3.0 2.0 R/R (%) JIS C 5201-1 4.25.3 SAMPLE SIZE : n=24pcs 125C WITH NO LOAD 1,000h R/R (%) 1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 10 100 1k 10k 100k 1M 1.0 0 -1.0 -2.0 -3.0 -4.0 -5.0 -6.0 10 100 1k 10k 100k 1M RESISTANCE () RESISTANCE () Fig.8 Endurance at 70C Fig.9 Endurance |
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