ROHM MCR50JZHJL Technical data
Low Ohmic Thick Film Chip Resistors
MCR50 (5025 size (2010 size) : 1 / 2W)
Features
1) Highly reliable chip resistor
Ruthenium oxide dielectric offers superior resistance to the elements.
2) Electrodes not corroded by soldering
Suitable for re-flow soldering.
ROHM resistors have approved ISO9001 / ISO/TS 16949- certification.
Ratings
Design and specifications are subject to change without notice.
Carefully check the specification sheet supplied with the product before using or ordering it.
Item Conditions Specifications
Rated power
Rated voltage
Power must be derated according to the power derating curve in
Figure 1 when ambient temperature exceeds 70˚C.
100
80
60
40
POWER LOAD (%)
20
0
−55 0 70 100 125
AMBIENT TEMPERATURE (°C)
Fig.1
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.
0.5W (1 / 2W)
at 70°C
E: Rated voltage (V)
P: Rated power (W)
R: Nominal resistance (Ω)
Limiting element voltage 2.13V (9.1Ω)
−55°C to +155°C
Nominal resistance
Operating temperature
E= P × R
See Table 1.
Table 1
Resistance tolerance
F (±1%)
J (±5%)
Special code
L
L
S
L
L
S
Resistance range
(Ω)
0.1 to 0.13
0.15 to 9.1
0.047 to 0.091
0.1 to 0.13 400±200
0.15 to 0.91 ±250
0.047 to 0.091
Resistance temperature coefficient
(ppm / ˚C)
(E24)
(E24)
(E24)
400±200
±250
500±300
(E24)
(E24)
(E24)
500±300
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.
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○c 2011 ROHM Co., Ltd. All rights reserved.
2011.11 - Rev.F
MCR50 (5025 size (2010 size) : 1 / 2W)
Characteristics
Guaranteed value
Resistor type
Resistance
Item Test conditions (JIS C 5201-1)
J : ±5%
F : ±1%
JIS C 5201-1 4.5
Load voltage : A
Measuring method : measure upper termination
by 4 proves.
Upper termination
Prove
Data Sheet
Variation of resistance
with temperature
Overload
Solderability
Resistance to
soldering heat
Rapid change of
temperature
Damp heat, steady state
Endurance at 70°C
Endurance
Resistance to solvent
Bend strength of
the end face plating
Dimensions (Unit: mm)
See Table.1
± (2.0%+0.005Ω)
A new uniform coating of minimum of
95% of the surface being immersed
and no soldering damage.
± (1.0%+0.005Ω)
No remarkable abnormality on the appearance.
± (1.0%+0.005Ω)
± (3.0%+0.005Ω)
± (3.0%+0.005Ω)
± (3.0%+0.005Ω)
± (0.5%+0.005Ω)
Without mechanical damage such as breaks.
JIS C 5201-1 4.8
Measurement : +25 / −55 / +25 / +125°C
JIS C 5201-1 4.13
Rated voltage (current) ×2.5, 2s.
JIS C 5201-1 4.17
Rosin-Ethanol (25%WT)
Soldering condition : 235±5
°C
Duration of immersion : 2.0±0.5s.
JIS C 5201-1 4.18
Soldering condition : 260±5
°C
Duration of immersion : 10±1s.
JIS C 5201-1 4.19
°C
Test temp. : −55
to +125°C 5cyc
JIS C 5201-1 4.24
40
°C, 93%RH
Test time : 56days
JIS C 5201-1 4.25.1
70
°C,
Rated voltage
1.5h : ON − 0.5h : OFF
Test time : 1,000h
JIS C 5201-1 4.25.3
°C
125
Test time : 1,000h to 1,048h
JIS C 5201-1 4.29
°C±5°C
23
Solvent : 2-propanol
JIS C 5201-1 4.33
1
0.55±0.15
2.5±0.15
2
3
4
No.
1
Resistive element (Oxide metal thick film)
2
Silver thick film electrode
3
Nickel electrode
4
Sn electrode
5
Alumina substrate
6
Overcoating (Glass)
Material
0.6±0.25
0.6±0.25
5.0±0.15
5
6
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○c 2011 ROHM Co., Ltd. All rights reserved.
2011.11 - Rev.F
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