CN-KRT
anti sulfuration chip networks
(convex termination)
features
•
Excellent anti-sulfuration characteristic
due to using high sulfuration-proof inner
top electrode material
•
More advancement in the mounting density than individual
chip resistors
•
Mounting cost reduction by decreasing the number
of parts to mount
•
Easy soldering fillet inspection
•
Suitable for an image recognition mounter due to square
corner design
•
Products with lead-free termination meet EU RoHS
requirements. EU RoHS regulation is not intended for
Pb-glass contained in electrode, resistor element and glass.
dimensions and construction
a2
W
C
t
Protective Outer
Coating
Electrode
Ceramic
Substrate
d
Resistive
Film
Inner
Electrode
a
L
p
b
EU
NEW
NEW
resistors
Type
CN1E2KRT
(0402x2)
CN1E4KRT
(0402x4)
CN1J4KRT
(0603x4)
CN1F8KRT
(0602x8)
L
W
c
Dimensions
inches
(mm)
d
t
a
a2
—
b
.007±.002
(0.17±0.05)
P*
.026
(0.67)
.020
(0.5)
.031
(0.8)
.020
(0.5)
.039±.004 .039±.004 .006±.004 .010±.004 .014±.004 .013±.004
(1.0±0.1) (1.0±0.1) (0.15±0.1) (0.25±0.1) (0.35±0.1) (0.33±0.1)
.079±.004 .039±.004 .006±.004 .010±.008 .014±.004 .012±.006 .016±.006 .006±.004
(2.0±0.1) (1.0±0.1) (0.15±0.1) (0.25±0.2) (0.35±0.1) (0.3±0.15) (0.4±0.15) (0.15±0.1)
.126±.006 .063±.006 .012±.008 .010±.004 .020±.004 .020±.006 .026±.006 .012±.004
(3.2±0.15) (1.6±0.15) (0.3±0.2) (0.25±0.1) (0.5±0.1) (0.5±0.15) (0.65±0.15) (0.3±0.1)
.150±.004 .063±.004 .012±.004 .012±.004 .018±.004 .012±.004
(3.8±0.1) (1.6±0.1) (0.3±0.1) (0.3±0.1) (0.45±0.1) (0.3±0.1)
—
.006*
(0.15)
* Referential values.
ordering information
CN
1
E
Size
1E
1F
NEW
1J
4
Number of
Resistors
2
4
8
K
Terminal
Convex
K: Convex type
with squared corners
RT
Termination
Material
RT: Sn
TD
Packaging
TD: 7" paper
103
Nominal
Resistance
±1%: 3 significant
figures + 1 multiplier
“R” indicates decimal
on values <100
Ω
±5%: 2 significant
figures + 1 multiplier
“R” indicates decimal
on values <10
Ω
J
Tolerance
F: ±1%
J: ±5%
Type
CN
CNZ
For further information on packaging, please refer to Appendix A.
applications and ratings
Part
Desigation
CN1E2KRT
CN1E4KRT
CN1J4KRT
CN1F8KRT
0.063*
—
10~1M
0.063
10~1M
±100: R≥10Ω
—
Power
Resistance Range
T.C.R. (×10
−6
/K)
Rating per
Element F: ±1% E24,E96 J: ±5% E24 F: ±1% E24,E96 J: ±5% E24
—
3~1M
—
Max.
Working
Voltage
25V
Max.
Rated
Operating
Overload
Ambient
Temperature
Voltage Temperature
Range
50V
+70°C
−55°C~+125°C
±200: R≥10Ω
±200: R≥10Ω
±400: R<10Ω
50V
25V
100V
50V
−55°C~+155°C
−55°C~+125°C
Please note that network resistors generate higher heat rather than single flat chip resistor even under rated power output.
* 0.25W per package
Rated voltage =
√
Power Rating × Resistance value or Max. working voltage, whichever is lower.
11/28/16
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
132
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
CN-KRT
anti sulfuration chip networks
(convex termination)
environmental applications
Jumper Ratings
Type
CNZ1E4KRT
100mΩ Max.
CNZ1J4KRT
0.5A
2A
resistors
Circuit Board Application
Current
Rating
Maximum Surge
Current
Vcc
Resistance
IC
IC
Circuit Construction
R
CN1E2KRT
R
1
R
2
R
1
R
2
1
R
2
Derating Curve
100
% Rated Power
80
Vcc
CN1E4KRT/CN1J4KRT
R
1
R
2
R
3
R
4
CN1E2KRT
CN1E4KRT
あ1
CN1F8KRT
IC
60
あ1
IC
CN1J4KRT
あ1
R
1
R
2
R
R
1
=R
3
2
1
R
4
R
3
R
4
R
1
R
1
=R
2
=R
3
=R
4
R
2
R
3
R
4
あ1
40
20
0
-60 -40 -20
-55
80 100 120 140 160
70
125 155
Ambient Temperature
(°C)
0
20
40
60
R
CN1F8KRT
R
2
R
5
R
6
R
7
R
8
あ1
R
1
R
2
R
1
R
3
R
2
R
4
R
3
R
5
R
4
R
6
R
5
R
7
R
6
R
8
R
7
R
8
あ1
あ1
あ1
R
1
=R
2
=R
3
=R
4
=R
5
=R
6
=R
7
=R
8
For resistors operated at an ambient temperature of 70°C or
above, a power rating shall be derated in accordance with the
above derating curve.
Performance Characteristics
Parameters
Resistance
T.C.R.
Overload (Short time)
Resistance to
Soldering Heat
Rapid Change
of Temperature
Moisture Resistance
Endurance at 70°C
High Temperature
Exposure
Sulfuration Test
Performance Requirements
∆R
±(%+0.1Ω)
Limit
Within specified
tolerance
Within specified T.C.R.
2%
1%
1%
5%
5%
1%
5%
Typical
—
—
0.25%
0.75%
0.5%
1%
0.5%
0.15%
0.25%
—
Test Methods
25°C
+25°C/−55°C and +25°C/+125°C
Rated voltage × 2.5 for 5 seconds
260°C ± 5°C, 10 seconds ± 1 second
−55°C (30 minutes) / +125°C (30 minutes) 5 cycles
40°C ± 2°C, 90%~95%RH, 1000 hours
1.5 hr ON / 0.5 hr OFF cycle
70°C ± 2°C, 1000 hours
1.5 hr ON / 0.5 hr OFF cycle
+125°C, 1000 hours: CN1E2KRT, CN1E4KRT, CN1F8KRT
+155°C, 1000 hours: CN1J4KRT
Soaked in industrial oil with 3.5% sulfur concentration
105°C ± 3°C, 500 hours
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
11/14/17
KOA Speer Electronics, Inc.
• 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
133
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