Anti-Sulfurated Thick Film Chip
Resistor Arrays
( CNCS34 Concave Type )
Halogen-Free
1. Scope :
Document No
Revised Date
page number
TCNCS-340S001F
2014/08/05
1/8
This specification applies for the CNCS34 Concave Type of Anti-Sulfurated thick film chip resistor
arrays made by TA-I.
2. Construction , Dimensions , Schematic :
2.1 Construction :
Plating
Ni + Sn
Over Coat
Ceramic Substrate
Conductor
2.1.1 Chip Resistor Arrays :
●
102
2.2
Type
Dimension :
UNIT:mm
L
3.2±0.2
W
1.5±0.2
T
0.55±0.1
P
0.8±0.1
A
0.6±0.1
B
0.3±0.2
C
0.5±0.1
D
0.25±0.1
G
0.35±0.15
CNCS34
TA-I TECHNOLOGY CO., LTD
Anti-Sulfurated Thick Film Chip
Resistor Arrays
( CNCS34 Concave Type )
Halogen-Free
2.3 Schematic：
Document No
Revised Date
page number
TCNCS-340S001F
2014/08/05
2/8
3. Type Designation :
3.1 Chip Resistor Arrays :
CNCS
Product Code
CNC: Anti-Sulfurated
Chip Resistor Arrays
34
size
Power Rating
J
Tolerance
T
Packaging
102
Nominal
Resistance
Concave type
34 – 0603 *4
J-±5%
F-±1%
T- Paper Tape
3
digits e.g.,:
(E-24) 102 = 1KΩ
4. Ratings & Characteristics :
Type
PowerRating
at 70℃
Rating
Voltage
Max .Working
Voltage
Max.
OverLoad
Voltage
Operating
Temp.(℃)
-55
|
+125℃
Temp
Resistance Resistance
Coefficient
Tolerance(%) Range (Ω)
PPM/℃
CNCS34
1/16W
Refer 4.2
50V
100V
±5%
10Ω~1MΩ
±200
TA-I TECHNOLOGY CO., LTD
Anti-Sulfurated Thick Film Chip
Resistor Arrays
( CNCS34 Concave Type )
Halogen-Free
4.1 Derating Curve :
Document No
Revised Date
page number
TCNCS-340S001F
2014/08/05
3/8
For resistors operated at ambient temperature over 70℃ , power rating shall be derated in
accordance with figure 1.
125
Figure 1
4.2 Rated Voltage :
The rated voltage is calculated by the following formula:
E= P * R
E=
Rated Voltage(V)
P=
Rated Power(W)
R=
Resistance Value
(Ω)
E.G. : What is CNCS34JT102 the rated voltage ?
CNCS34JT102
P:1/16W
;
R:102 = 1KΩ = 1000Ω
E=
0.0625(W) * 1000(Ω)
=
7.9 (V)
TA-I TECHNOLOGY CO., LTD
Anti-Sulfurated Thick Film Chip
Resistor Arrays
( CNCS34 Concave Type )
Halogen-Free
5. Reliability Tests :
Test
Items
Reference
standard
IEC60115-1-4.8
JIS-C5201-1-4.8
Document No
Revised Date
page number
TCNCS-340S001F
2014/08/05
4/8
Condition of
-55〜 +125
℃
Test
Test Limits
(
R R
)
Refer 4.0
Temperature Coefficient
of Resistance
Short Time Overload
IEC60115-1-4.13
JIS-C5201-1-4.13
2.5 X rated voltage for 5 sec
± ( 2.0 % + 0.1Ω )
Intermittent Overload
IEC60115-1-4.39
JIS-C5201-1-4.39
2.5X rated voltage or
Max Overloading Voltage ,
1sec
“ON” 25 sec “OFF” ,
10000 cycles
1000 hours at rated voltage ,
“ON “, 0.5hour “OFF”
1000 hours at rated voltage
, 40±2℃, 90~95% RH
1.5hours “ON “, 0.5hour “OFF”
-55℃ (30 min. ) / +125
℃
(30 min. ) 5 cycles
± ( 5.0% + 0.1Ω )
Load Life
IEC60115-1-4.25.1
70℃ , 1.5hours
JIS-C5201-1-4.25.1
1%:±(1.0%+0.05Ω)
5%:±(3.0%+0.1Ω)
Load Life with Humidity
IEC60115-1-4.24
JIS-C5201-1-4.24
1%:±(1.0%+0.05Ω)
5%:±(3.0%+0.1Ω)
Rapid Change of
Temperature
IEC60115-1-4.19
JIS-C5201-1-4.19
1%:±(0.5%+0.05Ω)
5%:±(1.0%+0.05Ω)
Solderability
IEC60115-1-4.17
JIS-C5201-1-4.17
245±5℃ solder, 2±0.5 sec dwell.
Solder : Sn96.5 / Ag3.0 / Cu0.5
At least 95% of surface area
of electrode shall be covered with
new solder.
Core body
IEC60115-1-4.15
JIS-C5201-1-4.15
Without mechanical damage
Pressure 1.0 kgf a R0.5 pressure rod
such as breaks. Electrical
for 10 sec
characteristics shall be satisfied
Dielectric Withstanding
Voltage (Voltage Proof)
IEC60115-1-4.7
JIS-C5201-1-4.7
Applying voltage 100V for 1 minute
No
abnormalities
such
as
flashover,
burning
dielectric
breakdown shall appear.
1%:±(1.0%+0.05Ω)
5%:± (2.0% + 0.1Ω )
Resistance to Solder Heat
IEC60115-1-4.18
JIS-C5201-1-4.18
260 ±5℃ solder ,
10 ±1 sec dwell .
Sulfur(saturated vapor)
1,000 hours,105±2°C,
unpowered
Sulfuration Test
ASTM-B-809-95
±(2%+0.05Ω)
Note* : RCWV : Rated continuous working voltage .
TA-I TECHNOLOGY CO., LTD
Anti-Sulfurated Thick Film Chip
Resistor Arrays
( CNCS34 Concave Type )
Halogen-Free
6. Marking :
6.1 ±5%(E24)
Document No
Revised Date
page number
TCNCS-340S001F
2014/08/05
5/8
Resistance value is expressed by 3 digits, the first two digits represent the
significant figures of nominal resistance value inΩ, and the third digit
represents exponent for base of 10.
E.G.
472 = 47×10 = 4700Ω = 4.7KΩ
2
6.2 ±1%(E96)
Resistance value is expressed by 4 digits, the first three digits represent the
significant figures of nominal resistance value inΩ, and the fourth digit
represents exponent for base of 10.
E.G. :
1000 = 100×10
0
=
100Ω
7. Taping & Reel :
7.1 Taping Dimensions :
7.1.1
4 mm pitch paper :
UNIT: mm
Type
A
B
3.6±0.2
W
8.0±0.2
F
E
P1
P2
2.0±0.05
P0
4.0±0.1
ψD0
+0.1
1.5
-0
T0
0.84±0.1
CNCS34 2.0±0.15
3.5±0.05 1.75±0.1 4.0±0.1
Paper Tape
Package Type
CNCS34
4 mm pitch
178mm/R
5000
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