MNR18 Resistors Chip resistor networks MNR18 (1608×8 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 Specifications Power must be derated according to the power derating curve in Figure 1 when ambient temperature exceeds 70°C. 0.063W (1 / 16W) at 70°C POWER LOAD (%) 100 80 60 40 20 0 −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 (Ω) E= P×R Nominal resistance Limiting element voltage See Table 1. −55°C~+125°C Operating temperature Table 1 Resistance tolerance J (±5%) Resistance range (Ω) 10≤R≤1M (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. 25V MNR18 Resistors !Characteristics Guaranteed value Resistor type Item Test conditions (JIS C 5201-1) J : ±5% Resistance Variation of resistance with temperature JIS C 5201-1 4.5 JIS C 5201-1 4.8 Measurement : −55 / +25 / +125°C See Table.1 JIS C 5201-1 4.13 Rated voltage×2.5, 2s. Limiting element voltage×2 : 50V ± (2.0%+0.1Ω) Overload JIS C 5201-1 4.17 Rosin·Ethanol (25%WT) Soldering condition : 235±5°C Duration of immersion : 2.0±0.5s. A new uniform coating of minimum of 95% of the surface being immersed and no soldering damage. Solderability ± (1.0%+0.05Ω) Resistance to soldering heat No remarkable abnormality on the appearance. Rapid change of temperature ± (1.0%+0.05Ω) JIS C 5201-1 4.19 Test temp. : −55°C~+125°C 5cyc ± (3.0%+0.1Ω) JIS C 5201-1 4.24 40°C, 93%RH Test time : 1,000h~1,048h ± (3.0%+0.1Ω) JIS C 5201-1 4.25.1 Rated voltage, 70°C 1.5h : ON − 0.5h : OFF Test time : 1,000h~1,048h ± (3.0%+0.1Ω) JIS C 5201-1 4.25.3 125°C Test time : 1,000h~1,048h ± (1.0%+0.05Ω) JIS C 5201-1 4.29 23±5°C, Immersion cleaning, 5±0.5min. Solvent : 2-propanol ± (1.0%+0.05Ω) JIS C 5201-1 4.33 Damp heat, steady state Endurance at 70°C Endurance Resistance to solvent Bend strength of the end face plating JIS C 5201-1 4.18 Soldering condition : 260±5°C Duration of immersion : 10±1s. Without mechanical damage such as breaks. !External dimensions (Units : mm) B A a : 0.3±0.1 b : 0.2±0.1 c : 0.5±0.1 A' c No. 0.3±0.2 b 0.3±0.2 a 1.6±0.1 3.8±0.1 a c 0.45±0.1 B' Cross section A−A' 6 1 5 Cross section B−B' 1 5 6 Maqnification 2 Resistive element (Oxide metal thick film) 2 Silver paladium thick film electrode (Resin side termination.) 3 Nickel electrode 4 Sn/Pb or Sn electrode 5 Alumina substrate 6 Over-coating (Resin) 3 4 Material 1 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 φD0 P1 E F W 02 04 06 08 06 D 04 B 02 A 08 B0 A0 Heat crimp cover / Tape Chip network Thick paper resistors Square punchout hole (Underside paper tape) mount T2 C (Units: mm) Label EIAJ ET-7200A compliant (Units: mm) A 0 φ180 −3 B C D +1 φ60 0 +1.0 9 0 φ13±0.2 W F E A0 B0 8.0±0.3 3.5±0.05 1.75±0.1 1.95±0.15 4.1±0.15 D0 P0 P1 P2 T2 φ1.5 +0.1 0 4.0±0.1 4.0±0.1 2.0±0.05 Max. 1.1 !Product designation Part No. Packaging / Processing specifications Code E0 Part No. MNR18 Packaging Package style Taping Paper tape with reel (5,000) Circuit configuration code AP MNR18 Resistance tolerance J ±5% Nominal resistance 3-digit IEC coding system MNR18 Resistors JIS C 5201-1 4.5 SAMPLE SIZE : n=24pcs 20°C 65%RH 5.0 DC RESISTANCE (%) 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 400 6.0 JIS C 5201-1 4.8 SAMPLE SIZE : n=24pcs 25°C / −55°C 25°C / 125°C 300 3.0 2.0 100 0 −100 1.0 0 −1.0 −2.0 −3.0 −200 −4.0 −300 −5.0 −400 10 100 1k 10k 100k −6.0 1M 10 100 JIS C 5201-1 4.19 SAMPLE SIZE : n=24pcs −55°C / 125°C 5cyc 2.0 4.0 2.0 ∆R/R (%) ∆R/R (%) 1.0 0 0 −1.0 −1.0 −2.0 −2.0 −3.0 −3.0 1M JIS C 5201-1 4.24 SAMPLE SIZE : n=24pcs 40°C 93%RH WITH NO LOAD 1,000h 5.0 3.0 1.0 100k 6.0 3.0 JIS C 5201-1 4.18 SAMPLE SIZE : n=24pcs SOLDERING CONDITION : 260°C 10S 10k Fig.4 Overload Fig.3 Vatiation resistance with temperature 3.0 1k RESISTANCE (Ω) RESISTANCE (Ω) Fig.2 Resistance ∆R/R (%) 4.0 200 RESISTANCE (Ω) 2.0 JIS C 5201-1 4.13 SAMPLE SIZE : n=24pcs RATED VOLTAGE×2.5TIMES 2S LIMITING ELEMENT VOLTAGE×2 : 50V 5.0 ∆R/R (%) 6.0 TEMPERATURE COEFICIENT (ppm/°C) !Electrical characteristics 1.0 0 −1.0 −2.0 −3.0 −4.0 −5.0 10 100 1k 10k 100k 1M −6.0 10 Fig.5 Resistance to soldering heat 4.0 2.0 1.0 0 −1.0 1.0 0 −1.0 −2.0 −2.0 −3.0 −3.0 −4.0 −4.0 −5.0 −5.0 10 100 1k 10k 100k RESISTANCE (Ω) Fig.8 Endurance at 70°C 1M −6.0 10 100 1k 10k 10 100 1k 10k 100k 1M RESISTANCE (Ω) 3.0 ∆R/R (%) ∆R/R (%) 1M JIS C 5201-1 4.25.3 SAMPLE SIZE : n=24pcs 125°C WITH NO LOAD 1,000h 5.0 2.0 −6.0 100k 6.0 JIS C 5201-1 4.25.1 SAMPLE SIZE : n=24pcs 70°C 1,000h OVERLOAD : THE RATED VOLTAGE 3.0 10k Fig.6 Rapid change of temperature 6.0 4.0 1k RESISTANCE (Ω) RESISTANCE (Ω) 5.0 100 100k RESISTANCE (Ω) Fig.9 Endurance 1M Fig.7 Damp heat, steady state