RMC series
THICK FILM CHIP RESISTORS
Features
1. Miniature size can compact P.C. Board,
2. 8mm tape carrier packaging available for automatic surface
mounting.
3. Excellent mechanical strength and electrical stability.
4. Reducing assembly costs.
1.
2. 8mm
3.
4.
ELECTRICAL AND MECHANICAL PERFORMANCE
Characteristics
Resistance Tolerance
Resistance Temp. Coeff.
Power Rating Load
Short Time Overload
Dielectric Withstanding Voltage
Insulation Resistance
Test Methods
Standards
5% ( J ) or
-
1% ( F )
1MÙ
200ppm/
Surface temp 155 Max.
155 , R/R
-55
1%
~ 155
Rated voltage for 30 minutes
/ 30
2.5 times of rated voltage
for 5 seconds.
2.5
/5
1%
No evidence of mechanical damage
or insulation breakdown.
1,000MÙ
Max. Overload Voltage for 1 min.
1
DC 100V megger
Minimum 95% coverage
95%
No evidence of mechanical damage.
Resistance to Soldering Heat
, R/R
1%
Solder-ability
245 5
for 2 seconds
270 5
for 10
1 seconds
ENVIRONMENTAL CHARACTERISTICS
Characteristics
Standards
Temp. Cycle
R/R
0.5%
Load Life
R/R
1%
Moisture-proof Load Life
R/R
1%
Reference Standards
IEC 60115-8
JIS C 5201-8
5
Test Methods
-55 ( 30 min.)
Room Temp.( 3 min.)
+155 ( 30 min.)
Room Temp.( 3 min.) / ( 5 cycles)
Rated power load 90 minutes ON
30 minutes OFF
70 1000 hours
Rated power load 90 minutes ON
30 minutes OFF
40 95% RH 500 hours
RMC series
Dimensions
Unit mm
L
c
W
t
Dimension(mm)
Rated
Wattage
CODE
L
0.2 W
0.2 C
0.2 d
0.2 t
0.1
1.0 0.1 0.5 0.05 0.2 0.1 0.25 0.1 0.35 0.05
Max.
Resistance
Working
Range(Ù)
Voltage
50V
1~10M
0.45
50V
1~10M
0.4
0.5
150V
1~10M
0.5
0.5
0.6
200V
1~10M
2.5
0.6
0.5
0.6
200V
1~10M
3.2
0.6
0.5
0.6
200V
1~10M
0402(1005)
1/16W
0603(1608)
1/10W
1.6
0.8
0.3
0.3
0805(2012)
1/8W
2.0
1.25
0.4
1206(3216)
1/4W
3.2
1.6
2010(5025)
1/2W
5.0
2512(6332)
1W
6.3
d
Note: 1. Max. Overload Voltag is 2 times of Max. Working Voltage
2. Zero ohm is also supplied ( 50 mÙ Max.)
3. Too low or too high ohmic values can be supplied only case by case.
Rate Continuous Working Voltage ( RCWV ) shall be determined
Rated Power X Resistance Value or Max. Working Voltage listed above,
whichever less.
Derating Curve
Surface Temperature Rise
For resistors operated in ambient temperatures above 70 ,
power rating must be derated in accordance with the curve
below.
-55
70
Surface Temperature Rise
(OC)
100
Rated Load
(%)
80
60
40
20
155
0
-40
0
40
80
120
150
160
200
100
50
240
0
Ambient Temp.
(OC)
0
20
40
60
80
100
Rated Load
(%)
How to order
It is composed by Type, Code Number, Nominal Resistance, Tolerance, Terminal Surface Material. e.g.
RMC
a.
a. Type(
0603
b.
1K
c.
5%
d.
N
e.
): Thick Film Chip Resistors are called "RMC".
b. Code Number(
): There are 0402, 0603, 0805, 1206, 2010, 2512.
c. Nominal Resistance(
d. Tolerance(
):
) : 1K.
5% .
e. Terminal Surface Material(
)
6
N (RoHS Compliant)
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