MCR18 (1206 Size: 1/4W) Datasheet by Rohm Semiconductor

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e Tame
MCR18
Resistors
Rev.B 1/5
Thick film rectangular
MCR18 (1206 size: 1 / 4W)
zFeatures
1) Power rating of 1 / 4W
2) Highly reliable chip resistor Ruthenium oxide dielectric offers superior resistance to the elements.
3) Electrodes not corroded by soldering
Thick film makes the electrodes very strong.
4) Leading the world in development and mass production.
Since start of production in 1976 (first in the wold), this component has established a solid reputation as a
general–purpose chip resistor.
5) ROHM resistors have approved ISO–9001 certification.
Design and specifications are subject to change without notice. Carefully check the specification sheet before using or
ordering it.
zRatings
0.25W (1 / 4W)
55
°
C
to +155
°
C
200V
at 70
°
C
Item Conditions Specifications
Rated power
Rated voltage
Operating temperature
Nominal resistance See Table 1.
Limiting element voltage
Power must be derated according to the power derating curve in
Figure 1 when ambient temperature exceeds 70
°
C
.
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 ()
E= P×R
0
20
40
60
80
100
55 0 70 100 155
AMBIENT TEMPERATURE (°C)
POWER LOAD (%)
Fig.1
MCR18
Resistors
Rev.B 2/5
Max. 50m
2A
55
°
C to +155
°
C
Resistance
Rated current
Operating temperature
Jumper type
Table 1
Resistance tolerance Resistance range
()Resistance temperature coefficient
(ppm / °
C
)
F (±1%)
J (±5%)
10
R
10M
10
R
2.2M (E24,96)
(E24)
(E24)
(E24)
±100
±200
2.2
R
<
10 ±500
1.0
R
<
2.2 500±350
zBefore 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 Test conditions (JIS C 5201-1)
Resistor type
Guaranteed value
Jumper type
Resistance
Variation of resistance
with temperature
Solderability
Damp heat, steady state
Endurance at 70°C
Endurance
Rapid change of
temperature
Bend strength of
the end face plating
Resistance to solvent
Resistance to
soldering heat
Overload ± (2.0%+0.1) Max. 50m
± (1.0%+0.05)
± (3.0%+0.1)
Max. 50m
Max. 100m
J : ±5%
F : ±1%
See Table.1
No remarkable abnormality on the appearance.
A new uniform coating of minimum of
95% of the surface being immersed
and no soldering damage.
Without mechanical damage such as breaks.
Max. 50mJIS C 5201-1 4.5
JIS C 5201-1 4.8
Measurement : 55 / +25 / +125°C
JIS C 5201-1 4.18
Soldering condition : 260±5
°C
Duration of immersion : 10±1s.
JIS C 5201-1 4.24
40
°C, 93%RH
Test time : 1,000h to 1,048h
± (3.0%+0.1)
± (3.0%+0.1)
± (1.0%+0.05)
± (1.0%+0.05)
± (1.0%+0.05)
Max. 100m
Max. 100m
Max. 50m
Max. 50m
Max. 50m
JIS C 5201-1 4.25.1
Rated voltage (current), 70
°C
1.5h : ON 0.5h : OFF
Test time : 1,000h to 1,048h
JIS C 5201-1 4.25.3
155
°C
Test time : 1,000h to 1,048h
JIS C 5201-1 4.29
23±5
°C
, Immersion cleaning, 5±0.5min.
Solvent : 2-propanol
JIS C 5201-1 4.19
Test temp. : 55
°C
to +125
°C
5cyc
JIS C 5201-1 4.33
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 4.13
Rated voltage (current) ×2.5, 2s.
Maximum overload voltage : 400V
O O O O O O ~\/ m my my Yip: ‘ Wuuvivar [Undevsmeuauevune‘ Eh‘vvss m_: Khan 15:505 75:“ D Mg‘ mm mm Rev.B 3/5
MCR18
Resistors
Rev.B 3/5
zExternal dimensions (Unit : mm)
0.5±0.25
1.6±0.15
0.55±0.1
0.5±0.25
3.2±0.15
No.
Material
Resistive element (Oxide metal thick film)
Silver thick film electrode
Nickel electrode
Sn electrode
Alumina substrate
Overcoating
1
2
3
4
5
6
1
2
4
5
6
3
zPackaging
0 2
0 4
0 6
0 8
0 2
0 4
0 6
0 8
C
ABD
ABCD
P
0
P
2
P
2
E
FW
T
2
φD
2
A
2
B
2
Label
EIAJ ET-7200B compliant
Thick paper
mount (Underside paper tape) Chip resistor Square punchout hole
Heat crimp cover/Tape
φ180 0
1.5 φ60 +1
09 +1.0
0φ13
±
0.2
4.0±0.1 4.0±0.1 2.0±0.05 Max. 1.1
φ1.5 +0.1
0
8.0±0.3 3.5±0.05 1.75±0.1 1.95 +0.1
0.05 3.5 +0.15
0.05
(Unit: mm)
(Unit: mm)
WFEA
2
B
2
D
2
P
2
P
2
P
2
T
2
Reel Taping
E EIIIIIEIEE DUDE] —|—u—_'_—l— w w a) m J‘scszm Mu J‘scszm Mu 3‘” ” SAMPLE 5‘ZE n Zflucs SAMPLE 5‘ZE n Nuns J 35 wcaomnsa wcaomnsa _]3EI E325 Fm 0 536 am Jua Jun 255 m ‘ m mu m mmnumMmM m ‘ H] mu m mkmamMmM mamas (m Ram/was my Flg2 Dwmenslonsflengmj H93 Dmensmns
MCR18
Resistors
Rev.B 4/5
zMakeup of the part number
Packaging Specifications Code
Part No.
MC 81RE
Resistance tolerance
ZH J
Nominal resistance
EZH Paper tape (4mm Pitch) φ180mm (7in.) 5,000
MCR18
J±5%
F±1%
J is also used
for jumper
Reel (
φ
180) : JEITA ET-7200B
: Standard product
Part No. Resistance tolerance
Code Packaging specifications Reel
Basic ordering unit (pcs)
J(
±
5%) F(
±
1%)
F
J
:
:
4 digits
3 digits
Resistance code, 3 or 4 digits.
000 denotes jumper type.
Resistance
tolerance Resistance
code
zDimensions
3.00
2.95
3.05
3.10
3.20
3.15
3.25
3.30
3.35
3.40
3.45
RESISTANCE
()
LENGTH
(mm)
JIS C 5201-1 4.4.2
SAMPLE SIZE : n=20pcs
MICROMETER
0.1 1 10 100 1k 10k 100k 1M 10M
Fig.2 Dimensions (length)
0.1 1 10 100 1k 10k 100k 1M 10M
RESISTANCE
()
WIDTH
(mm)
JIS C 5201-1 4.4.2
SAMPLE SIZE : n=20pcs
MICROMETER
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
Fig.3 Dimensions (width)
0.35
0.40
0.45
0.50
0.55
0.60
0.65
0.70
0.75 JIS C 5201-1 4.4.2
SAMPLE SIZE : n=20pcs
MICROMETER
0.1 1 10 100 1k 10k 100k 1M 10M
RESISTANCE
()
THICKNESS
(mm)
Fig.4 Dimensions (thickness)
zElectrical characteristics
RESISTANCE
()
DC RESISTANCE
(%)
0.1 1 10 100 1k 10k 100k 1M 10M
JIS C 5201-1 4.5
SAMPLE SIZE : n=20pcs
20°C 65%RH
8.0
6.0
4.0
2.0
0.0
2.0
4.0
6.0
8.0
Fig.5 Resistance
JIS C 5201-1 4.8
SAMPLE SIZE : n=10pcs
25°C / 55°C
25°C / 125°C
900
700
500
300
100
100
300
500
700
900
TEMPERATURE COEFFICIENT (ppm/°C)
RESISTANCE
()
0.1 1 10 100 1k 10k 100k 1M 10M
Fig.6 Variation resistance with
temperature
4.0
3.0
2.0
1.0
0.0
1.0
2.0
3.0
4.0
RESISTANCE
()
R/R
(%)
0.1 1 10 100 1k 10k 100k1M 10M
JIS C 5201-1 4.13
SAMPLE SIZE : n=10pcs
RATED VOLTAGE×2.5TIMES : 2s
MAXIMUM OVERLOAD VOLTAGE : 400V
Fig.7 Overload
RES‘SMNCE CHANGEL‘" RES‘SMNCE CHANGE m, RES‘SMNCE CHANGE m NGI: (m E m ‘ H) mu m mkmakw mm m ‘ m mu m wk muMMmM nEswsTANcEm) assmmcmn Hg 8 Hesstance ‘0 smdemg hea‘ Hg 9 Ram: change 0! H910 Damp heaL s|eady s|a|e temperamve nvzmnu m ms: wanna REswsTANcE CHANGE m, a‘ ‘ H) mu m mkmumMmM m ‘ m mu m mkmuk‘MmM nzsmmca u» REswsrANcE rm H911 Endurance (317070) Flg‘2 Enduvance m ‘ m mu m mmnanmM HES‘SYANCE «m RevB 5/5
MCR18
Resistors
Rev.B 5/5
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
RESISTANCE CHANGE
(%)
RESISTANCE
()
JIS C 5201-1 4.18
SAMPLE SIZE : n=10pcs
SOLDERING CONDITION : 260°C 10s
0.1 1 10 100 1k 10k 100k 1M 10M
Fig.8 Resistance to soldering heat
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
2.0
0.1 1 10 100 1k 10k 100k 1M 10M
RESISTANCE
()
JIS C 5201-1 4.19
SAMPLE SIZE : n=10pcs
55°C / 125°C 5cyc
R/R (%)
Fig.9 Rapid change of
temperature
Fig.10 Damp heat, steady state
4.0
3.0
2.0
1.0
0
1.0
2.0
3.0
4.0
RESISTANCE CHANGE
(%)
RESISTANCE
()
JIS C 5201-1 4.24
SAMPLE SIZE : n=10pcs
40°C 93%RH WITH NO LOAD 1,000h
0.1 1 10 100 1k 10k 100k 1M 10M
RESISTANCE ()
0.1 1 10 100 1k 10k 100k 1M 10M
JIS C 5201-1 4.25.1
SAMPLE SIZE : n=10pcs
70°C 1,000h
OVERLOAD : THE RATED VOLTAGE
4.0
3.0
2.0
1.0
0
1.0
2.0
3.0
4.0
RESISTANCE CHANGE (%)
Fig.11
Endurance (at 70°C)
4.0
3.0
2.0
1.0
1.0
2.0
3.0
4.0
RESISTANCE CHANGE
(%)
RESISTANCE
()
0.1 1 10 100 1k 10k 100k 1M 10M
JIS C 5201-1 4.25.3
SAMPLE SIZE : n=10pcs
155°C WITH NO LOAD 1,000h
0
Fig.12 Endurance
JIS C 5201-1 4.29
SAMPLE SIZE : n=10pcs
IPA, 5min.
2.0
1.5
1.0
0.5
0.0
0.5
1.0
1.5
2.0
RESISTANCE
()
R/R (%)
0.1 1 10 100 1k 10k 100k 1M 10M
Fig.13 Resistance to solvents
2.0
1.5
1.0
0.5
0
0.5
1.0
1.5
2.0
RESISTANCE CHANGE
(%)
RESISTANCE
()
0.1 1 10 100 1k 10k 100k 1M 10M
JIS C 5201-1 4.33
SAMPLE SIZE : n=10pcs
ENDURANCE WITH 90mm WIDTH
Fig.14 Bend strength of
the end face plating
Appendix
Appendix1-Rev1.1
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.
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.
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.

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