CYNTEC CO., LTD.
DOCUMENT : RLH00000N
REVISION : A2
PAGE : 1 OF 11
1. Scope
This specification applies to 0.5mm x 1.0mm size 1/8W, fixed metal film chip resistors rectangular type
for use in electronic equipment.
2. Type Designation
RL0510
- -
N
(1) (2)
(3)
(4)
(5)
Where (1)
Series
No.
(2) Temperature coefficient of resistanceT.C.R.
(3) Resistance value: refer to paragraph 4-1
For example--
Three digits of number (R
0.1 )
R10 = 0.1
1R0 = 1.0
Four digits of numberR< 0.1
R075 = 0.075
The "R" shall be used as a decimal point.
(4) Resistance tolerance: refer to paragraph 4-1.
(5) N = Sn plating (Lead free , RoHS compliant)
CYNTEC CO., LTD.
DOCUMENT : RLH00000N
REVISION : A2
PAGE : 2 OF 11
3. Construction and Physical Dimensions
Figure 1.1 Double sides structure (
< 0.2 )
Figure 1.2 Double side structure (
0.2 )
b
t
b
L
a
W
a
Dimensions (mm)
Code
Letter
Double sides
structure
Single side
structure
L
1.00
0.1
1.00
0.1
W
0.50
0.1
0.50
0.1
t
0.35
+0.15
-0.10
0.35
0.1
a
0.15
0.1
0.15
0.1
b
0.25
0.1
0.25
0.1
c 0.3
Min.
NOTE:
Resistive element
( under protection film )
Electrode
Protection film
Substrate
c
b
b
t
L
a
W
a
CYNTEC CO., LTD.
DOCUMENT : RLH00000N
REVISION : A2
PAGE : 3 OF 11
4. Ratings
4-1 Specification
Power Rating*
1/8 W
Resistance Range
0.075
0.14.7
Resistance Tolerance
1%(F) , 5%(J)
1%(F) , 2%(G)
Resistance Value
E-6 series
Note*:
Power Rating is based on continuous full load operation at rated ambient temperature of 70.
For resistors operated at ambient temperature in excess of 70, the maximum load shall be
derated in accordance with the following curve.
Figure 2 Derating Curve
4-2 Rated Voltage
The rated voltage shall be determined by the following expression.
R
P
V
=
Where VRated voltage (V)
RNominal resistance value (
)
PRated dissipation (W)
4-3 Operating and Storage Temperature Range
-55 to +125
-55
0
70
125
100
50
%
Percentage of the
rated dissipation
Ambient temperature
CYNTEC CO., LTD.
DOCUMENT : RLH00000N
REVISION : A2
PAGE : 4 OF 11
5. Characteristics
5-1 Electrical
5-1-1 Resistance and tolerance
Not exceed the specified tolerance on rated resistance in paragraph 4-1
Refer to IEC 60115-1 Sub-clause 4.5.
5-1-2 Temperature Coefficient of Resistance
Not exceed the temperature coefficient of resistance specified in paragraph 4-1
Room temperature
Room temperature + 100
Refer to IEC 60115-1 Sub-clause 4.13.
5-1-3 Short Time Overload
Resistance Change :
(0.5%)
Without significant damage by flashover (spark, arching), burning or breakdown etc.
Test voltage : 2.5 time the rated voltage.
Duration : 5 seconds.
Refer to IEC 60115-1 Sub-clause 4.13.
5-1-4 Insulation Resistance
(1) Between Electrode and Protection Film
100M
or over
(1) Between Electrode and Substrate
1,000M
or over
The resistor shall be cramped in the metal block and tested , as shown below.
Test voltage : 100V DC for 1 minute
Refer to IEC 60115-1 Sub-clause 4.6.
Figure 3. : Measurement Setup
Insulation Plate
Spring
Sample Electrode
Metal Block
Measurement Point B
Pressure Rod
(Metal)
Measurement Point A
Substrate
Over coat Film
(R=0.5 mm)
A
B
Voltage Supply
Substrate Side
CYNTEC CO., LTD.
DOCUMENT : RLH00000N
REVISION : A2
PAGE : 5 OF 11
5-1-5 Voltage Proof
Resistance Change :
(0.5%)
Without damage by flash over (spark, arcing ), burning or breakdown etc
The resistor shall be tested as shown in figure 3
Test voltage : 100V AC r.m.s for 1 minute
Refer to IEC 60115-1 Sub-clause 4.7.
5-2 Mechanical
5-2-1 Bending Strength
Resistance Change :
(0.5%)
Without mechanical damage such as breaks.
Electrical characteristics shall be satisfied.
If there are electrodes on both surfaces, it shall satisfy the above specifications on whichever
surface may be exploded.
Bending Amplitude : 3 mm 30 seconds
Refer to IEC 60115-1 Sub-clause 4.33.
45
Supports
Pr
essu
re
R230
Press Jig
20
45
Solder
50
Within 2mm
Test PC Board
Sample
Amplit
ude
3 mm
Unit : mm
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