FIXED THIN FILM CHIP RESISTORS; RECTANGULAR TYPE
KAMAYA OHM
RNC
•
Features
Chip Resistors
1. Suitable for high precision, higher stability and reliability applications
compared to thick-film chip resistors.
2. Contribute to the reduction of fine adjustment, high accuracy and
stability of circuit.
3. Stability Class : 1%
•
Dimensions
L
W
c
c
H
Rated resistance value is maked with 3-digit (E24) or
4-digit (E96) on the over coating.
d
d
Unit : mm
Style
RNC20
RNC32
Metric
2012
3216
Inch
0805
1206
L
2.0 0.15
3.1 0.1
W
1.25
e0.10
0.05
e0.10
1.55
0.05
H
0.6 0.1
0.6 0.1
c
0.4
0.2
0.45 0.20
d
0.3
e0.2
0.1
e0.2
0.3
0.1
*Unit weight/pc.
5mg
9mg
*Values for reference
•
Part Number Description
Example
Style
RNC
32
E
1002
B
TP
Product Type
Temperature Coefficient of Resistance
E
25
´
10
-6
/
°
C
C
50
´
10
-6
/
°
C
Size
Code Metric Inch
20 2012 0805
32 3216 1206
Rated Resistance
E24 Series
e.g. : 103=10k ohm
3-Digit
Tolerance on Rated Resistance
B
0.1%
C
0.25%
D
0.5%
* Packaging & Standard Qty. (Min.)
B Bulk (Loose Package) 1,000pcs.
TP Paper Tape
5,000pcs.
*Refer to Tape and Packaging information on pages 46 and 47.
E96 Series
e.g. : 10R2=10.2 ohm 4-Digit
1002=10k ohm
6
KAMAYA OHM
FIXED THIN FILM CHIP RESISTORS; RECTANGULAR TYPE
RNC
¥
Ratings
Style
100
RNC20
2012
(0805)
3216
(1206)
0.1
10
100
0.125
10
130k
130k
180k
180k
B ( 0.1%)
C ( 0.25%)
D ( 0.5%)
B ( 0.1%)
C ( 0.25%)
D ( 0.5%)
25
50
150
75
E96
E24
100
55
125
RNC32
Note1. Rated Voltage = (Rated Dissipation)
´
(Rated Resistance). (d.c. or a.c. r.m.s. Voltage)
Note2. Limiting Element Voltage can only be applied to resistors when the resistance value
is equal to or higher than the critical resistance value.
Note3. Critical Resistance Value is the resistance value at which the rated voltage is equal to the limiting element voltage.
¥
Derating Curve
Percentage of the rated dissipation(%)
100
The derated values of dissipation for temperatures in excess of 70
°
C
shall be indicated by the following Curve.
¥
Climatic Category
55/125/56
Lower Category Temperature
-
55
°
C
Upper Category Temperature
+
125
°
C
Duration of the Damp heat,
Steady-State Test
56 days
Area of recommended operation
0
-55
70
125
Ambient Temperature (
°
C)
¥
Performance Characteristics
Description
Voltage proof
Variation of resistance
with temperature
Overload
Solderability
Resistance to
soldering heat
Rapid change of
temperature
Climatic sequence
JIS C 5201-1 : 1998
Requirements
No breakdown or flashover
R
³
1G ohm
See Ratings Table
Clause 4.7
Clause 4.8
100Va.c.,60s
Test Methods
Measuring temperature :
+
20
°
C/
-
55
°
C
/
+
20
°
C/
+
125
°
C/
+
20
°
C
D
R
£±
(0.25%
+
0.05 ohm)
No visible damage, legible marking
In accordance with Clause 4.17.4.5
Clause 4.13 The applied voltage shall be 2.5 times of the rated voltage or twice of the
limiting element voltage, whichever is the less severe, 2s.
Clause 4.17 235
°
C, 2s
Clause 4.18 After immersion into the flux, the immersion into solder shall be
carried out in Solder bath at 260
°
C for 5s.
Clause 4.19 5 cycles between
-
55
°
C and
+
125
°
C.
Clause 4.23 Dry/Damp heat(12
+
12h cycle), first cycle./
Cold/Damp heat(12
+
12h cycle), remaining
cycle./ D.C.Load.
Clause 4.24 40
°
C, 95%R.H., 56 days, test a) and b)
of Clause 4.24.2.1
Clause 4.25.1 Rated voltage, 1.5h"ON", 0.5h"OFF", 70
°
C, 1,000h.
Clause 4.25.3 125
°
C, no-load, 1,000h.
Clause 4.32 5N, 10s
Clause 4.33 Amount of bend : 3 mm
D
R
£±
(0.25%
+
0.05 ohm)
D
R
£±
(0.25%
+
0.05 ohm) No visible damage
D
R
£±
(1%
+
0.05 ohm)
No visible damage
Damp test, steady state
Endurance at 70
°
C
D
R
£±
(1%
+
0.05 ohm)
No visible damage, legible marking
D
R
£±
(1%
+
0.05 ohm) No visible damage, legible marking
Endurance at the upper
D
R
£±
(1%
+
0.05 ohm) No visible damage
category temperature
Adhesion
Bend strength of
the face plating
No visible damage
D
R
£±
(0.25%
+
0.05 ohm)
7
Chip Resistors
Size
Metric
(Inch)
Rated Dissipation Rated Resistance
Tolerance on Temperature Coefficient Limiting Element
at 70
°
C
of Resistance
Voltage
Range
Rated Resistance
W
10
-6
/
°
C
V
Preferred Number
Series for
Resistors
Isolation
Voltage
V
Category Temperature
Range
°
C
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