TA-I
1. Scope :
Thick Film Chip Resistors
( Lead-Free for RM04 Series )
No.
page
TRM-040S003E
1/10
This specification applies for the RM04 series of thick film chip resistors made by TA-I.
2. Construction:
Over Coat (Color : Black)
Conductor :
(Lead-free or with lead )
Sn Plating
Resistive Element
Ceramic Substrate
Ni Plating
3.
Type Designation:
RM
Product Code
RM : Chip Resistor
04
Size
Power Rating
J
Tolerance
TN
Packaging
103
Nominal
Resistance
04-0402(1005) 1/16W
J -
±5%
G -
±2%
F -
±1%
D -
±0.5%
B -
±0.1%
T-Paper Tape
3 digits, e.g.,:
(E-24) 103 = 10kΩ
0 = 0
Ω
4 digits, e.g.,:
(E-96) 1540 = 154Ω
43R2 = 43.2Ω
+N: Lead-Free
TA-I TECHNOLOGY CO., LTD
TA-I
4.
Dimensions:
Thick Film Chip Resistors
( Lead-Free for RM04 Series )
No.
page
TRM-040S003E
2/10
UNIT: mm
Type
RM04
1.00
-0.05
L
+0.10
W
0.50±0.05
C
0.20±0.10
d
0.25±0.10
t
0.35±0.05
5.
Ratings & Characteristics :
Type
Power
Max.
Max.
T.C.R
Rating
Rating
Working Over- Load
(PPM/℃)
Voltage
at 70℃
Voltage
Voltage
±200
Resistance Range(Ω)
B(±0.1%)
E-96
10Ω-200kΩ
D(±0.5%)
E-96
10Ω-1MΩ
F(±1%)
E-96
10Ω-10MΩ
1Ω-9.1Ω
G(±2%)
E-24
10Ω-10MΩ
1Ω-9.1Ω
J(±5%)
E-24
10Ω-10MΩ
1-9.1Ω
RM04 1/16W
Refer
5.2
50V
100V
+500
-200
±400
10MΩ≦R≦20MΩ 10MΩ≦R≦20MΩ 10MΩ≦R≦20MΩ
OΩ THICK FILM CHIP RESISTORS
Type
RM04
Rated Current
1A
Max Overload Current
2.5A
Resistance Range
50mΩ MAX
2. Operating Temp(℃): : -55℃
〜
+125℃
Note : Except for the above standardized products, we also provide the
customized products.
TA-I TECHNOLOGY CO., LTD
TA-I
Thick Film Chip Resistors
( Lead-Free for RM04 Series )
No.
page
TRM-040S003E
3/10
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
Figure 1
70
100
125
Ambient
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)
E.G. : What is RM04JTN102 the rated voltage ?
RM04JTN102 P:1/16W ; R:102 = 1KΩ = 1000Ω
E=
0.0625(W) * 1000(Ω)
= 7.9 (V)
TA-I TECHNOLOGY CO., LTD
TA-I
Thick Film Chip Resistors
( Lead-Free for RM04 Series )
No.
page
TRM-040S003E
4/10
6. Reliability Tests: (As specified in JIS C 5202)
Test Items
Temperature
Resistance
Coefficient
of
Reference
standard
JIS-C5202-5.2
Condition of Test
-55〜 +125
℃
Test Limits
Refer 5.0
±
(2% + 0.1Ω )
Short Time Overload
JIS-C5202-5.5
2.5 X rated voltage
for
5s
0Ω
: 50mΩ or less
Intermittent Overload Test
JIS-C5202-5.8
2.5 X rated voltage or Max Overloading
voltage ,1sec “ON” , 25sec “OFF” , 10000 cycles
±
(5.0% + 0.1Ω)
0Ω :
50mΩ or less
Load Life
JIS-C5202-7.10
1000 hours at rated voltage, 70℃ , 1.5hours
“ON “, 0.5hour “OFF”
±
(3.0% + 0.1Ω)
0Ω
:
100mΩ or less
±
(3.0% + 0.1Ω)
Load Life with Humidity
JIS-C5202-7.9
1000 hours at rated voltage , 40±2℃,
90~95% RH 1.5hours “ON “, 0.5hour “OFF”
0Ω : 100mΩ or less
Without mechanical damage
1% :
±(0.5%+0.05Ω)
2%, 5% :±(1.0%+0.05Ω)
0Ω :
50mΩ or less
Rapid Change of Temperature
JIS-C5202-7.4
-55℃ (30 min. ) / +155
℃(30
min. ) 5 cycles
Solderability
JIS-C5202-6.11
245±5℃ solder, 3±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.
0.5%,1%:±(0.5%+0.05Ω)
2%,5%:±(1.0%+0.05Ω)
0Ω:
50mΩ or less
Robustness of Termination
JIS-C5202—6.1 3mm deflection
(Bending Strength)
Dielectric
Withstanding
JIS-C5202-5.7
Voltage (Voltage Proof)
Applying voltage :
300V for a minute .
No abnormalities such as
flashover,
burning
dielectric
breakdown shall appear.
Insulation Resistance
JIS-C5202-5.6
Applying voltage 100V for 1 minute.
≧1GΩ
1% :
±(1.0%+0.05Ω)
2%,5% :
±(2.0%+0.1Ω)
0Ω:
50mΩ or less
Resistance to Dry Heat
JIS-C5202-7.2
125±5℃ for 96±4hrs
Resistance to Soldering Heat
JIS-C5202-6.10
270
±5℃
solder , 10
±1
sec dwell .
0.5%,1%:±(0.5%+0.05Ω)
2%, 5%:±(1.0%+0.05Ω)
0Ω:
50mΩ or less
TA-I TECHNOLOGY CO., LTD
TA-I
Thick Film Chip Resistors
( Lead-Free for RM04 Series )
No.
page
TRM-040S003E
5/10
Component , Lead-Free Soldering part 8 :
Solder Heat Resistance Test for SMD. Lead-
Free Soldering “
Temp. Cycles :
-35
±
5℃ / 125
±
5℃ , Keep 7 min
Testing duration : 500±4 hours
Temp. Humidity Chambers:
Temperature : 85℃
Humidity : 85% RH
Testing duration : 500±4 hours
Whisker
SONY
SS-00254-8
Whisker formation :
50 um or less .
.
Component , Lead-Free Soldering part 5 :
Solder Heat Resistance Test for SMD. Lead-
Free Soldering “
Flow Solder :
Pre – heat : 100 to 105
℃
30±5 sec
Temperature : 260±3℃ 10 +1/ -0 sec
The entire sample shall be dipped in solder.
The specimen shall be stored at standard
atmospheric conditions for 1 hour .
Iron Solder :
Bit temperature : 350
±10℃
Application time of soldering iron : 3 +1/- 0sec
Apply the soldering iron to the electrode .
The specimen shall be stored at standard
atmospheric conditions for 1 hour , after
which the measurements shall be made
Resistance to soldering heat
SONY
SS-00254-5
Electrical characteristics shall be
Satisfied .
Without distinct deformation in
appearance
Note* : RCWV : Rated continuous working voltage
.
7.
8.
Marking : No Marking
Taping & Reel :
8.1 Taping Dimensions
2 mm pitch paper :
Packing
Type
Paper
RM04
A
0.7±0.05
B
1.2±0.05
W
F
E
1.75±0.1
P
1
2.0±0.1
P
2
2.0±0.1
P
0
4.0±0.1
D
0
+0.1
ψ1.5
-0
T
0.45±0.1
8.0±0.2 3.5±0.05
Package
Type
RM
Size
04
178mm/R
10000
Paper Tape
2 mm pitch
250mm/R
20000
50000
Bulk
TA-I TECHNOLOGY CO., LTD
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
