MCR50 Resistors Thick film rectangular MCR50 (5025 size : 1 / 2W) zFeatures 1) Made of same material as the general purpose chip resistors (MCR10 / 18). 2) Highly reliable chip resistor Ruthenium oxide dielectric offers superior resistance to the elements. 3) Electrodes not corroded by soldering Suitable for re-flow soldering. 4) 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. zRatings Item Rated power Conditions Specifications Power must be derated according to the power derating curve in Figure 1 when ambient temperature exceeds 70˚C. 0.5W (1 / 2W) 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= Nominal resistance Operating temperature P×R E: Rated voltage (V) P: Rated power (W) R: Nominal resistance (Ω) Limiting element voltage 200V See Table 1. −55°C~+125°C Rev.C 1/5 MCR50 Resistors Jumper type Table 1 Max. 50mΩ Resistance Rated current Operating temperature Resistance range (Ω) Resistance tolerance 3A F (±1%) −55°C~+125°C J (±5%) Resistance temperature coefficient (ppm / ˚C) 400±200 0.1≤R≤0.15 (E24) 0.15≤R<10 (E24) ±250 10≤R≤180k (E24,96) ±100 0.1≤R≤0.15 (E24) 0.15≤R<1.0 (E24) ±250 1.0≤R<2.2 (E24) 500±350 2.2≤R<10 (E24) ±500 10≤R≤330k (E24) ±200 330k<R≤560k (E24) ±350 400±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. zCharacteristics Item Resistance Guaranteed value Resistor type Jumper type J : ±5% F : ±1% Max. 50mΩ Variation of resistance with temperature Overload Solderability Resistance to soldering heat Rapid change of temperature See Table.1 ± (2.0%+0.1Ω) Max. 50mΩ A new uniform coating of minimum of 95% of the surface being immersed and no soldering damage. JIS C 5201-1 4.5 JIS C 5201-1 4.8 Measurement : −55 / +25 / +125°C JIS C 5201-1 4.13 Rated voltage (current) ×2.5, 2s. Limiting Element Voltage×2 : 400V JIS C 5201-1 4.17 Rosin·Ethanol (25%WT) Soldering condition : 235±5°C Duration of immersion : 2.0±0.5s. ± (1.0%+0.05Ω) Max. 50mΩ No remarkable abnormality on the appearance. JIS C 5201-1 4.18 Soldering condition : 260±5°C Duration of immersion : 10±1s. ± (1.0%+0.05Ω) Max. 50mΩ JIS C 5201-1 4.19 Test temp. : −55°C~+125°C 5cyc ± (3.0%+0.1Ω) Max. 100mΩ JIS C 5201-1 4.24 40°C, 93%RH Test time : 1,000h~1,048h ± (3.0%+0.1Ω) Max. 100mΩ JIS C 5201-1 4.25.1 Rated voltage (current), 70°C 1.5h : ON − 0.5h : OFF Test time : 1,000h~1,048h ± (3.0%+0.1Ω) Max. 100mΩ JIS C 5201-1 4.25.3 125°C Test time : 1,000h~1,048h ± (1.0%+0.05Ω) Max. 50mΩ JIS C 5201-1 4.29 23±5°C, Immersion cleaning, 5±0.5min. Solvent : 2-propanol Damp heat, steady state Endurance at 70°C Endurance Resistance to solvent Bend strength of the end face plating Test conditions (JIS C 5201-1) Max. 50mΩ ± (1.0%+0.05Ω) Without mechanical damage such as breaks. JIS C 5201-1 4.33 Rev.C 2/5 MCR50 Resistors zExternal dimensions (Unit : mm) 1 0.6±0.25 2 Material No. 1 Resistive element (Qxide metal thick film) 3 0.55±0.15 0.6±0.25 5.0±0.15 Silver palladium thick film electrode Nickel electrode 4 Sn/Pb or Sn electrode 5 Alumina substrate 6 Overcoating (glass) 4 2.5±0.15 5 2 3 6 zPackaging Reel Taping P0 P2 B0 02 04 06 08 06 D 04 B 02 A 08 W F E 0 φD A0 K P1 (Unit : mm) C Label W F E A0 B0 12.0±0.3 5.5±0.05 1.75±0.1 3.4±0.2 5.6±0.2 D D0 P0 P1 P2 K φ13±0.2 φ1.5 +0.1 0 4.0±0.1 4.0±0.1 2.0±0.05 Max. 1.1 EIAJ ET-7200B compliant (Unit : mm) A B 0 φ180 −3 +1 φ60 0 C 13±0.3 zMakeup of the part number 3-digit or 4-digit IEC coding system Part No. Nominal resistance Packaging / Processing specifications Part No. MCR50 Code JZH Packaging Paper tape Standard ordering unit(pcs) 4,000 Resistance tolerance F ±1% J ±5% Specify "J" for jumper also. special part number Blank L 10Ω or more (F class) 1Ω or more (J class) Up to 10Ω (F class) Up to 1Ω (J class) Rev.C 3/5 MCR50 Resistors zDimensions 5.40 0.75 2.80 JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER 5.30 JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER 2.70 0.65 5.10 5.00 4.90 THICKNESS (mm) WIDTH (mm) LENGTH (mm) 5.20 2.60 2.50 2.40 0.60 0.55 0.50 0.45 4.80 2.30 4.70 4.60 JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER 0.70 2.20 0.1 1 10 100 1k 10k 100k 560k 0.40 0.1 1 10 100 1k 0.35 10k 100k 560k 0.1 1 10 100 1k 10k 100k 560k RESISTANCE (Ω) RESISTANCE (Ω) RESISTANCE (Ω) Fig.2 Dimensions (length) Fig.3 Dimensions (width) Fig.4 Dimensions (thickness) zElectrical characteristics 6.0 0 −2.0 −4.0 0.1 1 10 100 1k 10k 100k 560k JIS C 5201-1 4.8 SAMPLE SIZE : n=10pcs 25°C / −55°C 25°C / 125°C 700 500 2.0 300 100 −100 −300 1.0 0 −1.0 −2.0 −500 −3.0 −700 −900 0.1 1 RESISTANCE (Ω) 10 100 1k 10k 100k 560k −4.0 −1.0 1.0 2.0 0.5 1.0 ∆R/R (%) 0 −0.5 0 −1.0 −2.0 −2.0 −1.5 −3.0 −2.5 −2.0 0.1 1 10 100 1 k 10k 100k 560k RESISTANCE (Ω) Fig.8 Resistance to soldering heat 10k 100k 560k 0.1 1 10 100 1k 10k 100k 560k RESISTANCE (Ω) Fig.9 Rapid change of temperature JIS C 5201-1 4.24 SAMPLE SIZE : n=10pcs 40°C 93%RH WITH NO LOAD 1,000h 3.0 −1.0 −1.5 1k 4.0 JIS C 5201-1 4.19 SAMPLE SIZE : n=10pcs −55°C / 125°C 5cyc 1.5 ∆R/R (%) ∆R/R (%) 0 100 Fig.7 Overload 1.0 −0.5 10 RESISTANCE (Ω) 2.0 JIS C 5201-1 4.18 SAMPLE SIZE : n=10pcs SOLDERING CONDITION : 260°C 10s 0.5 1 Fig.6 Variation resistance with temperature 2.5 1.5 0.1 RESISTANCE (Ω) Fig.5 Resistance 2.0 JIS C 5201-1 4.13 SAMPLE SIZE : n=10pcs RATED VOLTAGE×2.5 TIMES : 2s LIMITING ELEMENT VOLTAGE×2 : 400V 3.0 ∆R/R (%) 2.0 TEMPERATURE COEFFICIENT (ppm/°C) DC RESISTANCE (%) 4.0 −6.0 4.0 900 JIS C 5201-1 4.5 SAMPLE SIZE : n=20pcs 20°C 65%RH −4.0 0.1 1 10 100 1k 10k 100k 560k RESISTANCE (Ω) Fig.10 Damp heat, steady state Rev.C 4/5 MCR50 Resistors 4.0 2.5 4.0 JIS C 5201-1 4.25.1 SAMPLE SIZE : n=10pcs 70°C 1,000h OVERLOAD : THE RATED VOLTAGE 3.0 2.0 JIS C 5201-1 4.29 SAMPLE SIZE : n=10pcs IPA, 5min. JIS C 5201-1 4.25.3 SAMPLE SIZE : n=10pcs 125°C WITH NO LOAD 1,000h 3.0 2.0 0 −1.0 1.0 0 −1.0 −2.0 −2.0 −3.0 −3.0 −4.0 0.1 1 10 100 1k 10k 100k 560k ∆R/R (%) ∆R/R (%) ∆R/R (%) 1.0 1.0 −4.0 0 −1.0 0.1 1 10 100 1k 10k 100k 560k −2.5 0.1 1 10 100 1k 10k 100k 560k RESISTANCE (Ω) RESISTANCE (Ω) RESISTANCE (Ω) Fig.11 Endurance at 70°C Fig.12 Endurance Fig.13 Resistance to solvents 2.0 JIS C 5201-1 4.33 SAMPLE SIZE : n=10pcs ENDURANCE WITH 90mm WIDTH 1.5 ∆R/R (%) 1.0 0.5 0 −0.5 −1.0 −1.5 −2.0 0.1 1 10 100 1k 10k 100k 560k RESISTANCE (Ω) Fig.14 Bend strength of the end face plating Rev.C 5/5 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.1