Chip Resistors
( RM series standard )
Document No.
Revise Date
page number
TRM-XX0S010I
2021/02/18
1/14
Halogen-Free
1. Scope：
This specification applies for the RM series of chip resistors made by TA-I.
2. Construction：
Over Coat (Color : Black)
Conductor
Sn Plating
Resistive Element
Ceramic Substrate
Ni Plating
3. Type Designation：
RM
Product Code
RM : Chip Resistor
10
Size
Power Rating
J
Tolerance
TN
Packaging
103
Nominal
Resistance
01-01005(0402) 1/32W
02-0201(0603) 1/20W
04-0402(1005) 1/16W
06-0603(1608) 1/10W
10-0805(2012) 1/8W
12-1206(3216) 1/4W
13-1210(3226) 1/2W
20-2010(5025) 3/4W
25-2512(6432) 1 W
J-±5%
G-±2%
F-±1%
D-±0.5%
B-±0.1%
L : 02&04 - 50K / 13” Reel
H : 06&10&12 - 20K /13”
Reel
T : Paper Tape / 7” Reel
E : Embossed Tape
N：normal
(RoHS Exclusion clause)
W：Totally Lead free
3 digits, e.g.,:
(E-24) 103 = 10kΩ
0 = 0Ω
4 digits, e.g., :
(E-96) 1540 = 154Ω
43R2 = 43.2Ω
TA-I TECHNOLOGY CO., LTD
Chip Resistors
( RM series standard )
Document No.
Revise Date
page number
TRM-XX0S010I
2021/02/18
2/14
Halogen-Free
4. Dimensions：
UNIT: mm
Type
RM01
RM02
RM04
RM06
RM10
RM12
RM13
RM20
RM25
L
0.40±0.02
0.60±0.03
+0.1
1.00
-0.05
1.60±0.10
0.50±0.05
0.20±0.10
0.25±0.10
+0.2
0.80±0.10
0.30±0.20
0.30
-0.1
2.00±0.10
3.10±0.10
3.10±0.10
5.00±0.15
6.30±0.20
1.25±0.10
1.55±0.10
2.55±0.10
2.50±0.15
3.20±0.20
0.40±0.20
0.50±0.30
0.50±0.30
0.60±0.30
0.60±0.30
0.40±0.20
0.40±0.20
0.40±0.20
0.50±0.25
0.50±0.25
0.50±0.10
0.55±0.10
0.60±0.10
0.60±0.10
0.60±0.10
0.45±0.10
0.32±0.05
W
0.20±0.02
0.30±0.03
C
0.10±0.03
0.10±0.05
d
0.10±0.03
0.15±0.05
t
0.13±0.02
0.23±0.03
TA-I TECHNOLOGY CO., LTD
Chip Resistors
( RM series standard )
Document No.
Revise Date
page number
TRM-XX0S010I
2021/02/18
3/14
Halogen-Free
5. Ratings & Characteristics：
Type
Power
Rating
at 70℃
Rating
Voltage
Max.
Working
Voltage
Max.
Over-
T.C.R
Load (PPM/
℃
)
Voltage
±300
±200
+600
-200
±200
+600
-200
±100
±200
50V
100V
+500
-200
±400
±100
±200
±400
±100
±200
±400
±100
RM12
1/4W
Refer
5.2
200V
400V
±200
±400
±100
RM13
1/2W
Refer
5.2
200V
400V
±200
±400
±100
RM20
3/4W
Refer
5.2
200V
400V
±200
±400
±100
RM25
1W
Refer
5.2
200V
400V
±200
±400
10Ω-560kΩ
10Ω-1MΩ
10Ω-560kΩ
10Ω-1MΩ
10Ω-560kΩ
10Ω-1MΩ
10Ω-560kΩ
10Ω-1MΩ
10Ω-560kΩ
10Ω-1MΩ
Resistance Range(Ω)
B(±0.1%)
E-96&E-24
D(±0.5%)
E-96&E-24
F(±1%)
E-96&E-24
10Ω
≦
R
＜100Ω
G(±2%)
E-24
10Ω
≦
R
＜100Ω
J(±5%)
E-24
10Ω
≦
R
＜100Ω
100Ω
≦
R
≦
1MΩ
1Ω≦R<10Ω
RM01
1/32W
Refer
5.2
Refer
5.2
15V
30V
100Ω
≦
R
≦
1MΩ 100Ω
≦
R
≦
1MΩ
1Ω≦R<10Ω
100Ω-10KΩ
10Ω-3MΩ
1Ω≦R<10Ω
100Ω~1MΩ
10Ω≦R<100Ω
10Ω≦R<100Ω 10Ω≦R<100Ω
1MΩ<R≦10MΩ
1Ω≦R<10Ω
100Ω~499KΩ
100Ω~1MΩ
10Ω-3MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
RM02
1/20W
25V
50V
RM04
1/16W
Refer
5.2
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10MΩ≦R≦20MΩ 10MΩ≦R≦20MΩ
10Ω-560kΩ
10Ω-1MΩ
10Ω-1MΩ
1M<R≦10MΩ
1Ω≦R<10Ω
10Ω-1MΩ
1M<R≦10MΩ
1Ω≦R<10Ω
10Ω-1MΩ
1M<R≦10MΩ
1Ω≦R<10Ω
10Ω-1MΩ
1M<R≦10MΩ
1Ω≦R<10Ω
10Ω-1MΩ
1M<R≦10MΩ
1Ω≦R<10Ω
10Ω-1MΩ
1M<R≦10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10M<R≦20MΩ
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10M<R≦20MΩ
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10MΩ<R≦20MΩ
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10MΩ<R≦20MΩ
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10MΩ<R≦20MΩ
10Ω-10MΩ
1Ω≦R<10Ω
10Ω-10MΩ
1Ω≦R<10Ω
10MΩ<R≦20MΩ
RM06
1/10W
Refer
5.2
75V
150V
RM10
1/8W
Refer
5.2
150V
300V
Type
RM01
RM02
RM04
RM06
RM10
RM12
RM13
RM20
RM25
OΩ THICK FILM CHIP RESISTORS
Rated Current
Max Overload Current
0.5A
1A
0.5A
1A
1A
2.5A
1A
2.5A
2A
5A
2A
5A
2A
5A
2A
5A
2A
5A
( RM01 / 02： -55℃
½
+125℃ )
Resistance Range
50mΩ MAX
50mΩ MAX
50mΩ MAX
50mΩ MAX
50mΩ MAX
50mΩ MAX
50mΩ MAX
50mΩ MAX
50mΩ MAX
Operating Temp (℃)： -55℃
½
+155℃
Note： Except for the above standardized products, we also provide the customized products.
TA-I TECHNOLOGY CO., LTD
Chip Resistors
( RM series standard )
Document No.
Revise Date
page number
TRM-XX0S010I
2021/02/18
4/14
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 (%)
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
Chip Resistors
( RM series standard )
Document No.
Revise Date
page number
TRM-XX0S010I
2021/02/18
5/14
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%
+ 0.05Ω )
Remarks :
01005& 0201 :
±(3.0%
+ 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
.
TA-I TECHNOLOGY CO., LTD
