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MCR50
Resistors
Thick film rectangular
MCR50 (5025 size : 1 / 2W)
Features 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.
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 0.5W (1 / 2W) 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= PxR
E: Rated voltage (V) P: Rated power (W) R: Nominal resistance ()
Limiting element voltage
200V
Nominal resistance Operating temperature
See Table 1. -55C~+125C
Rev.C
1/5
MCR50
Resistors
Jumper type
Resistance Rated current Operating temperature Max. 50m 3A -55C~+125C
Table 1
Resistance tolerance F (1%)
Resistance range () 0.1R0.15 0.15R<10 10R180k (E24) (E24) (E24,96) (E24) (E24) (E24) (E24) (E24)
Resistance temperature coefficient (ppm / C) 400200 250 100 400200 250 500350 500 200 350
J (5%)
0.1R0.15 0.15R<1.0 1.0R<2.2 2.2R<10 10R330k
330k*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.
Characteristics
Item Resistance Variation of resistance with temperature Overload (2.0%+0.1) Guaranteed value Resistor type Jumper type J : 5% F : 1% Max. 50m 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 voltage (current) x2.5, 2s. Limiting Element Voltagex2 : 400V 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 (current), 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
See Table.1
Max. 50m
Solderability
A new uniform coating of minimum of 95% of the surface being immersed and no soldering damage. (1.0%+0.05) Max. 50m No remarkable abnormality on the appearance. (1.0%+0.05) (3.0%+0.1) Max. 50m Max. 100m
Resistance to soldering heat Rapid change of temperature Damp heat, steady state
(3.0%+0.1) Endurance at 70C (3.0%+0.1) Endurance (1.0%+0.05) Resistance to solvent
Max. 100m
Max. 100m
Max. 50m
Bend strength of the end face plating
Max. 50m (1.0%+0.05) Without mechanical damage such as breaks.
Rev.C
2/5
MCR50
Resistors
External dimensions (Unit : mm)
1
0.60.25
2
No.
1
Material Resistive element (Qxide metal thick film) Silver palladium thick film electrode Nickel electrode Sn/Pb or Sn electrode Alumina substrate Overcoating (glass)
3
2
0.550.15
0.60.25 5.00.15
5
3
4
4
5
6
6
Packaging
Reel Taping
P0 P2
D
0
2.50.15
08
06
04
02
B0
A
B
D
W F
E
02
04
06
08
A0
P1
K
C
(Unit : mm)
Label EIAJ ET-7200B compliant
W 12.00.3 D0
F 5.50.05 P0 4.00.1
E 1.750.1 P1 4.00.1
A0 3.40.2 P2 2.00.05
B0 5.60.2 K Max. 1.1
(Unit : mm)
A
B
C
D
0 180 -3
+1 60 0
130.3
130.2
1.5 +0.1 0
Makeup of the part number
3-digit or 4-digit IEC coding system
Part No.
Nominal resistance
Packaging / Processing specifications
Part No.
MCR50
Code Packaging Paper tape
Standard ordering unit(pcs)
Resistance tolerance
F 1% J 5% Specify "J" for jumper also.
special part number
Blank L 10 or more (F class) 1 or more (J class) Up to 10 (F class) Up to 1 (J class)
JZH
4,000
Rev.C
3/5
MCR50
Resistors
Dimensions
5.40 5.30 5.20
LENGTH (mm) WIDTH (mm)
2.80 JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER 2.70 2.60 2.50 2.40 2.30 2.20 0.1 1 10 100 1k 10k 100k 560k RESISTANCE () JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER
THICKNESS (mm)
0.75 0.70 0.65 0.60 0.55 0.50 0.45 0.40 0.1 1 10 100 1k 10k 100k 560k 0.35 0.1 1 10 100 1k 10k 100k 560k JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER
5.10 5.00 4.90 4.80 4.70 4.60
RESISTANCE ()
RESISTANCE ()
Fig.2 Dimensions (length)
Fig.3 Dimensions (width)
Fig.4 Dimensions (thickness)
Electrical characteristics
6.0
900
4.0
JIS C 5201-1 4.8 SAMPLE SIZE : n=10pcs 25C / -55C 25C / 125C
TEMPERATURE COEFFICIENT (ppm/C)
4.0
DC RESISTANCE (%)
JIS C 5201-1 4.5 SAMPLE SIZE : n=20pcs 20C 65%RH
700 500 300 100 -100 -300 -500 -700 -900 0.1 1 10
3.0 2.0
R/R (%)
2.0 0 -2.0 -4.0 -6.0
JIS C 5201-1 4.13 SAMPLE SIZE : n=10pcs RATED VOLTAGEx2.5 TIMES : 2s LIMITING ELEMENT VOLTAGEx2 : 400V
1.0 0 -1.0 -2.0 -3.0
0.1
1
10
100
1k
10k 100k 560k
100
1k
10k 100k 560k
-4.0
0.1
1
10
100
1k
10k 100k 560k
RESISTANCE ()
RESISTANCE ()
RESISTANCE ()
Fig.5 Resistance
Fig.6 Variation resistance with temperature
Fig.7 Overload
2.5 2.0 1.5 1.0
R/R (%)
2.0
JIS C 5201-1 4.18 SAMPLE SIZE : n=10pcs SOLDERING CONDITION : 260C 10s
4.0
1.5 1.0
JIS C 5201-1 4.19 SAMPLE SIZE : n=10pcs -55C / 125C 5cyc
3.0 2.0
R/R (%)
JIS C 5201-1 4.24 SAMPLE SIZE : n=10pcs 40C 93%RH WITH NO LOAD 1,000h
0 -0.5 -1.0 -1.5 -2.0 -2.5 0.1 1 10 100 1 k 10k 100k 560k
R/R (%)
0.5
0.5 0 -0.5 -1.0 -1.5 -2.0 0.1 1 10 100 1k 10k 100k 560k
1.0 0 -1.0 -2.0 -3.0 -4.0 0.1 1 10 100 1k 10k 100k 560k
RESISTANCE ()
RESISTANCE ()
RESISTANCE ()
Fig.8 Resistance to soldering heat
Fig.9 Rapid change of temperature
Fig.10 Damp heat, steady state
Rev.C
4/5
MCR50
Resistors
4.0 3.0 2.0 JIS C 5201-1 4.25.1 SAMPLE SIZE : n=10pcs 70C 1,000h OVERLOAD : THE RATED VOLTAGE
4.0 3.0 2.0 JIS C 5201-1 4.25.3 SAMPLE SIZE : n=10pcs 125C WITH NO LOAD 1,000h
2.5 JIS C 5201-1 4.29 SAMPLE SIZE : n=10pcs IPA, 5min. 1.0
R/R (%)
R/R (%)
0 -1.0 -2.0 -3.0 -4.0 0.1 1 10 100 1k 10k 100k 560k
R/R (%)
1.0
1.0 0 -1.0 -2.0 -3.0 -4.0 0.1 1 10 100 1k 10k 100k 560k
0
-1.0
-2.5
0.1
1
10
100
1k
10k 100k 560k
RESISTANCE ()
RESISTANCE ()
RESISTANCE ()
Fig.11 Endurance at 70C
Fig.12 Endurance
Fig.13 Resistance to solvents
2.0 1.5 1.0
R/R (%)
JIS C 5201-1 4.33 SAMPLE SIZE : n=10pcs ENDURANCE WITH 90mm WIDTH
0.5 0 -0.5 -1.0 -1.5 -2.0 0.1 1 10 100 1k 10k 100k 560k
RESISTANCE ()
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

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