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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 -55
Specifications 0.5W (1 / 2W) at 70C
POWER LOAD (%)
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 PxR E: Rated voltage (V) P: Rated power (W) R: Nominal resistance ()
Limiting element voltage
200V
See Table 1. -55C~+125C
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 J (5%) 0.1R0.15 0.15R<1.0 1.0R<2.2 2.2R<10 10R330k (E24) (E24) (E24,96) (E24) (E24) (E24) (E24) (E24) Resistance temperature coefficient (ppm / C) 400200 250 100 400200 250 500350 500 200 350
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.
2/5
MCR50
Resistors
External dimensions (Units: 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
E
0
2.50.15
08
06
04
B0
A
B
D
02
W F
02 04 06 08
A0
P1
K
C
(Units: mm)
Label EIAJ ET-7200A 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
(Units: 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 JZH Packaging Emboss 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)
4,000
3/5
MCR50
Resistors
Dimensions
5.40 5.30 5.20
LENGTH (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 JIS C 5201-1 4.4.2 SAMPLE SIZE : n=20pcs MICROMETER
5.10 5.00 4.90 4.80 4.70 4.60
WIDTH (mm)
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
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 (%) 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
0.5 0 -0.5 -1.0 -1.5 -2.0 -2.5 0.1 1 10 100 1 k 10k 100k 560k
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
4/5
MCR50
Resistors
4.0 3.0 2.0
R/R (%)
4.0
2.5 JIS C 5201-1 4.25.3 SAMPLE SIZE : n=10pcs 125C WITH NO LOAD 1,000h 1.0 JIS C 5201-1 4.29 SAMPLE SIZE : n=10pcs IPA, 5min.
JIS C 5201-1 4.25.1 SAMPLE SIZE : n=10pcs 70C 1,000h OVERLOAD : THE RATED VOLTAGE
3.0 2.0
R/R (%)
0 -1.0 -2.0 -3.0 -4.0 0.1 1 10 100 1k 10k 100k 560k
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
-2.5
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
5/5

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