Alloy Film Chip Resistors
(Totally Lead Free for RMD series standard)
Document No.
TRMD-XX0S001A
Revise Date
page number
2012/10/18
1/11
Halogen-Free
1. Scope :
This specification applies for the RMD series of alloy film chip resistors made by TA-I.
2. Construction:
Over Coat (Color : Black)
Conductor
Sn Plating
Resistive Element
Ceramic Substrate
Ni Plating
3.
Type Designation:
RMD
Product Code
RMD : Chip Resistor
10
Size
Power Rating
J
Tolerance
T
Packaging
100
Nominal
Resistance
06-0603(1608)
10-0805(2012)
12-1206(3216)
1/10W
1/8W
1/4W
J-±5%
G-±2%
F-±1%
D-±0.5%
T-Paper Tape
E-Embossed Tape
B-Bulk Cassette
Special
L : 06 – 2mm pitch
paper Tape
3 digits, e.g.,:
(E-24) 100 = 10Ω
0 = 0Ω
4 digits, e.g., :
(E-96) 10R0 = 10Ω
TA-I TECHNOLOGY CO., LTD
Alloy Film Chip Resistors
(Totally Lead Free for RMD series standard)
Document No.
TRMD-XX0S001A
Revise Date
page number
2012/10/18
2/11
Halogen-Free
4. Dimensions :
100
UNIT: mm
Type
RMD06
RMD10
RMD12
L
1.60±0.10
W
0.80±0.10
C
0.30±0.20
d
+0.2
0.30
-0.1
t
0.45±0.10
2.00±0.10
1.25±0.10
0.40±0.20
0.40±0.20
0.50±0.10
3.10±0.10
1.55±0.10
0.50±0.30
0.40±0.20
0.55±0.10
5. Ratings & Characteristics :
Type
Power
Max.
Rating
Rating
Working
Voltage
at 70℃
Voltage
Max.
Over-
Load
Voltage
T.C.R
(PPM/℃
)
Resistance Range(Ω)
D(±0.5%)
E-96&E-24
F(±1%)
E-96&E-24
G(±2%)
E-24
J(±5%)
E-24
RMD06
RMD10
RMD12
1/10W
1/8W
1/4W
Refer
5.2
Refer
5.2
Refer
5.2
50V
150V
200V
100V
300V
400V
±100
±100
±100
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
1~10Ω
Operating Temp(℃): : -55℃
〜
+155℃
Note
: Except for the above standardized products, we also provide the customized products.
TA-I TECHNOLOGY CO., LTD
Alloy Film Chip Resistors
(Totally Lead Free for RMD series standard)
Document No.
TRMD-XX0S001A
Revise Date
page number
2012/10/18
3/11
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 (%)
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 RMD06JT100 the rated voltage ?
RMD06JT100 P:1/10W
E=
0.1(W) * 10(Ω)
;
R:100 = 10Ω = 10Ω
= 0.32 (V)
TA-I TECHNOLOGY CO., LTD
Alloy Film Chip Resistors
(Totally Lead Free for RMD series standard)
Document No.
TRMD-XX0S001A
Revise Date
page number
2012/10/18
4/11
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
-55〜 +125
℃
Test Limits
△R
Refer 5.0
Short Time Overload
IEC60115-1-4.13
JIS-C5201-1-4.13
2.5 X rated voltage
for 5 sec
±(1%
+ 0.05Ω )
Intermittent Overload
EC60115-1-4.39
JIS-C5201-1-4.39
3.0 X rated voltage or Max Overloading
voltage ,1sec “ON” , 25sec “OFF” , 10000
cycles)
±
(5.0% + 0.1Ω)
Endurance (Load Life)
IEC60115-1-4.25.1
JIS-C5201-1-4.25.1
1000 hours at rated voltage, 70℃ , 1.5hours 0.5%,1%:±(1.0%+0.05Ω)
2%,5%:±(3.0%+0.1Ω)
“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”
0.5%,1%:±(1.0%+0.05Ω)
2%, 5%:±(3.0%+0.1Ω)
Rapid Change
of Temperature
IEC60115-1-4.19
JIS-C5201-1-4.19
-55℃ (30 min. ) / +155
℃(30
min. ) 5 cycles
0.5%,1%:±(0.5%+0.05Ω)
2%, 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.
0.5%,1%:±(0.5%+0.05Ω)
2%,5%:±(1.0%+0.05Ω)
Robustness of Termination
(Bending)
IEC60115-1-4.33
JIS-C5201-1-4.33
3mm deflection
Dielectric Withstanding
Voltage (Voltage Proof)
IEC60115-1-4.7
JIS-C5201-1-4.7
Applying voltage :
0603 : 300V The other 500V for a minute .
No abnormalities such as
flashover, burning dielectric
breakdown shall appear.
Insulation Resistance
IEC60115-1-4.6
JIS-C5201-1-4.6
Applying voltage 100V for 1 minute.
≧1GΩ
Resistance to Dry Heat
IEC60115-1-4.23.2
JIS-C5201-1-4.23.2
155±5℃ for 96±4Hrs
0.5%,1%:±(1.0%+0.05Ω)
2%,5%:±(2.0%+0.1Ω)
Resistance to Solder Heat
IEC60115-1-4.18
JIS-C5201-1-4.18
270
±5℃
solder , 10
±1
sec dwell .
0.5%,1%:±(0.5%+0.05Ω)
2%, 5%:±(1.0%+0.05Ω)
Note* : RCWV : Rated continuous working voltage
.
TA-I TECHNOLOGY CO., LTD
Alloy Film Chip Resistors
(Totally Lead Free for RMD series standard)
Document No.
TRMD-XX0S001A
Revise Date
page number
2012/10/18
5/11
Halogen-Free
7. Marking
7.1
±2%
&
±5%(E24)
: RMD06 / RMD10 / RMD12
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. :,
100
= 10×10
0
= 10Ω
100
7.2
±0.5%
,
±1%
(E96 ) : RMD10 / RMD12
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. :
10R0 = 10Ω
10R0
7.3
±0.5%
,
±1%
( E96): RMD06
When the marking space is too small in such small-sized resistors as RM06, the marking can not
made by 4 digits and may be made by two digits combined with one English capital.
Symbol for E96 series nominal resistance value
Symbol
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
E96
100
102
105
107
110
113
115
118
121
124
127
130
133
137
140
143
Symbol
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
E96
178
182
187
191
196
200
205
210
215
221
226
232
237
243
249
255
Symbol
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
E96
316
324
332
340
348
357
365
374
383
392
402
412
422
432
442
453
Symbol
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
E96
562
576
590
604
619
634
649
665
681
698
715
732
750
768
787
806
TA-I TECHNOLOGY CO., LTD
RF/Wirelessly
京公网安备 11010802033920号
EEWORLD
