Thick Film Trimmable Chip Resistors
( Lead-Free for RT series standard )
1. Scope :
Document No.
Issued Date
page
TRT-XX2P003C
2011/04/20
1 / 10
This specification applies for the RT series of thick film chip resistors made by TA-I.
2. Construction:
Over Coat (Color : Green)
Conductor
Sn Plating
Resistive Element
Ceramic Substrate
Ni Plating
3.
Type Designation:
RT
Product Code
RT : Trimmable
Chip Resistor
10
Size
Power Rating
P
Tolerance
TN
Packaging
103
Nominal
Resistance
04-0402(1005)
06-0603(1608)
10-0805(2012)
12-1206(3216)
13-1210(3226)
1/16W
1/10W
1/8W
1/4W
1/3W
K-±10%
M-±20%
N-±30%
P:0~-30%
T-Paper Tape
3 digits, e.g.,:
(E-24) 103 = 10kΩ
0 = 0Ω
+N: Lead-Free
4 digits, e.g., :
Special
L : 06 – 2mm pitch
paper Tape
(E-96) 1540 = 154Ω
43R2 = 43.2Ω
TA-I TECHNOLOGY CO., LTD
Thick Film Trimmable Chip Resistors
( Lead-Free for RT series standard )
5. Ratings & Characteristics :
Power
Max.
Max.
T.C.R
Rating Working Over- Load
(PPM/℃)
at 70℃ Voltage
Voltage
Document No.
Issued Date
page
TRT-XX2P003C
2011/04/20
3 / 10
Resistance Range(Ω)
Type
K(±10%)
M(±20%)
N(±30%)
P(0~-30%)
RT04
RT06
RT10
RT12
RT13
1/16W
1/10W
1/8W
1/4W
1/3W
50V
50V
150V
200V
200V
100V
100V
300V
400V
400V
±200
10Ω-1MΩ
10Ω-1MΩ
10Ω-1MΩ
10Ω-1MΩ
on quest :
0805 : 3 MΩ
Note
: Except for the above standardized products, we also provide the customized products.
5.1 Derating Curve :
For resistors operated at ambient temperature over 70℃ , power rating shall be derated in
accordance with figure 1.
P max.
100
Power ratio ( % )
50
0
-55
50
70
100
125
Ambient
Figure 1
Temp. (
C
)
5.2 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)
TA-I TECHNOLOGY CO., LTD
Thick Film Trimmable Chip Resistors
( Lead-Free for RT series standard )
E.G. : What is RT06PTN102 the rated voltage ?
RT06PTN102
E=
P(Rated power ):1/10W
= 10 (V)
Document No.
Issued Date
page
TRT-XX2P003C
2011/04/20
4 / 10
; R:102 = 1KΩ = 1000Ω
0.1(W) * 1000(Ω)
6.Reliability Tests:
Test Items
Temperature Coefficient
of Resistance
Reference
standard
IEC60115-1-4.8
JIS-C5201-4.8
Condition of Test
-55〜 +125
℃
Test Limits
△R
±200
ppm/℃
Short Time Overload
IEC60115-1-4.13
2.5 X rated voltage
JIS-C5201-4.13
±(1%
+ 0.05Ω )
for 5 sec
0402 size :
±(2%
+ 0.1Ω )
Intermittent Overload
3.0 X rated voltage or Max Overloading
EC60115-1-4.39
voltage ,1sec “ON” , 25sec “OFF” , 10000 cycles
±
(5.0% + 0.1Ω)
JIS-C5201-4.39
(Remarks : 0402
2.5 X RCWV * )
IEC60115-1-4.25.1 1000 hours at rated voltage, 70℃ , 1.5hours
JIS-C5201-4.25.1 “ON “, 0.5hour “OFF”
Load Life
±(3.0%+0.1Ω)
Rapid Change of Temperature
IEC60115-1-4.24
-55℃ (30 min. ) / +155
℃(30
min. ) 5 cycles
JIS-C5201-4.24
±(1.0%+0.05Ω)
Solderability
IEC60115-1-4.19 245±5℃ solder, 2±0.5 sec dwell.
JIS-C5201-4.19 Solder : Sn96.5 / Ag3.0 / Cu0.5
At least 95% of surface area
of electrode shall be covered
with new solder.
Robustness
(Bending)
of
Termination
IEC60115-1-4.17
JIS-C5201-4.17
3mm deflection
±(1.0%+0.05Ω)
Dielectric
Withstanding
IEC60115-1-4.33
0402 & 0603 : 300V The other 500V for a
JIS-C5201-4.33
Voltage (Voltage Proof)
minute .
Insulation Resistance
IEC60115-1-4.7
JIS-C5201-4.7
Applying voltage 100V for 1 minute.
Applying voltage :
No abnormalities such as
flashover,
burning
dielectric
breakdown shall appear.
≧1GΩ
Resistance to Dry Heat
IEC60115-1-4.6
JIS-C5201-4.6
125±5℃ for 96±4Hrs
±(2.0%+0.1Ω)
Resistance to Solder Heat
IEC60115-1-4.23.2
270
±5℃
solder , 10
±1
sec dwell .
JIS-C5201-4.23.2
±(1.0%+0.05Ω)
Note* : RCWV : Rated continuous working voltage
.
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