Thick Film Chip Resistors
( Lead-Free for RM series standard )
Document No.
Revise Date
page number
TRM-XX0S002I
2017/09/04
4/13
Halogen-Free
5.1. Derating Curve：
For resistors operated at ambient temperature over 70
℃
, power rating shall be
derated in accordance with figure 1.
P max.
Power ratio (%)
125
RM01/02
RM04/06/10
RM12/13/20/25
Ambient Temp. (
°C
)
Figure 1
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)
E.G.：What is RM06JTN102 the rated voltage ?
RM06JTN102
E=
P:1/10W
;
R:102 = 1KΩ = 1000Ω
0.1(W) * 1000(Ω)
= 10 (V)
TA-I TECHNOLOGY CO., LTD
Thick Film Chip Resistors
( Lead-Free for RM series standard )
Document No.
Revise Date
page number
TRM-XX0S002I
2017/09/04
5/13
Halogen-Free
6. Reliability Tests :
Test Items
Temperature Coefficient
of Resistance
Reference
standard
IEC60115-1-4.8
JIS-C5201-1-4.8
Condition of Test
-55½ +125
℃
Test Limits
△R
Refer 5.0
±(1%
+ 0.05Ω )
Remarks :
01005& 0201 :
±(3%
+ 0.1Ω)
0402 :
±(2%
+ 0.1Ω )
0Ω : 50mΩ or less
Short Time Overload
IEC60115-1-4.13
JIS-C5201-1-4.13
2.5 X rated voltage
for
5 sec
Intermittent Overload
EC60115-1-4.39
JIS-C5201-1-4.39
3.0 X rated voltage or Max Overloading
±
(5.0% + 0.1Ω)
voltage ,1sec “ON” , 25sec “OFF” ,10000 cycles
(Remarks :
0Ω : 50mΩ or less
01005 & 0201-NA , 0402 2.5 X RCWV * )
0.1%,0.5%,1%:±(1.0%+0.05Ω)
2%,5%:±(3.0%+0.1Ω)
Remarks :
01005& 0201 :
±(5.0%+0.1Ω)
0402 :
±(3.0%+0.1Ω)
0Ω : 100mΩ or less
0.1%,0.5%,1%:±(1.0%+0.05Ω)
2%, 5%:±(3.0%+0.1Ω)
Remarks :
01005&0201:
±(5.0%+0.1Ω)
0402:
±(3.0%+0.1Ω)
0Ω : 100mΩ or less
0.1%,0.5%,1%:±(0.5%+0.05Ω)
2%, 5%:±(1.0%+0.05Ω)
Remarks :
01005& 0201:
±(3.0%+0.1Ω)
0Ω : 50mΩ or less
At least 95% of surface area
of electrode shall be covered
with new solder.
0.1%,0.5%,1%:±(0.5%+0.05Ω)
2%,5%:±(1.0%+0.05Ω)
Remarks :
01005& 0201
±(1.0%+0.1Ω)
0Ω: 50mΩ or less
No abnormalities such as
flashover,
burning
dielectric
breakdown shall appear.
≧1GΩ
Remarks : 01005 :
≧100MΩ
0.1%,0.5%,1%:±(1.0%+0.05Ω)
2%,5%:±(2.0%+0.1Ω)
Remark :
01005 :
±(3.0%+0.1Ω)
0201 :
±(2.0%+0.1Ω)
0Ω: 50mΩ or less
0.1%,0.5%,1%:±(0.5%+0.05Ω)
2%, 5%:±(1.0%+0.05Ω)
Remarks :
01005 :
±(3.0%+0.05Ω)
0201
±(3.0%+0.1Ω)
0Ω: 50mΩ or less
Endurance (Load Life)
IEC60115-1-4.25.1 1000 hours at rated voltage, 70℃ , 1.5hours
JIS-C5201-1-4.25.1 “ON “, 0.5hour “OFF”
Load Life with Humidity
IEC60115-1-4.24
JIS-C5201-1-4.24
1000 hours at rated voltage , 40±2℃,
90~95% RH 1.5hours “ON “, 0.5hour “OFF”
Rapid Change
of Temperature
IEC60115-1-4.19
JIS-C5201-1-4.19
-55℃ (30 min. ) / +155
℃(30
min. ) 5 cycles
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
Robustness of Termination
(Bending)
IEC60115-1-4.33
JIS-C5201-1-4.33
3mm deflection
2mm deflection (RM20,25)
Dielectric Withstanding
Voltage (Voltage Proof)
Insulation Resistance
IEC60115-1-4.7
JIS-C5201-1-4.7
IEC60115-1-4.6
JIS-C5201-1-4.6
Applying voltage :
01005 & 0201 : 50V , 0402 & 0603 : 300V
The other 500V for a minute .
Applying voltage 100V for 1 minute.
Remark : 01005 & 0201 50V
Resistance to Dry Heat
IEC60115-1-4.23.2 155±5℃ for 96±4Hrs
JIS-C5201-1-4.23.2 Remark : 01005 & 0201 125±5℃
Resistance to Solder Heat
IEC60115-1-4.18
JIS-C5201-1-4.18
270
±5℃
solder , 10
±1
sec dwell .
Note* : RCWV : Rated continuous working voltage
.
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