No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
1/10
TA-I TECHNOLOGY CO., LTD
Ceramic Substrate
1. Scope :
This specification applies for the RM25 series of thick film chip resistors made by TA-I.
2. Construction:
3. Type Designation:
RM 25 J EN 103
Product Code
Size Tolerance Packaging Nominal
RM : Chip Resistor Power Rating Resistance
J -
±
5% E-Emboss Tape 3 digits, e.g.,:
25-2512(6432) 1W G -
±
2% (E-24) 103 = 10k
Ω
F -
±
1% 0 = 0
Ω
D -
±
0.5% 4 digits, e.g.,:
B -
±
0.1% (E-96) 1540 = 154
Ω
43R2 = 43.2
Ω
Ni Plating
Resistive Element
+N: Lead-Free
Conductor :
(Lead-free or with lead )
Sn Plating
Over Coat (Color : Black)
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
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TA-I TECHNOLOGY CO., LTD
4. Dimensions:
UNIT: mm
Type
L W C d t
RM25 6.30
±
0.20 3.20
±
0.20 0.60
±
0.30 0.50
±
0.25 0.60
±
0.10
5. Ratings & Characteristics :
Resistance Range(
Ω
)
Type
Power
Rating
at 70
℃
Rated
Voltage
Max.
Working
Voltage
Max.
Over-
Load
Voltage
T.C.R
(PPM/
℃
)
B(
±
0.1%)
E-96
D(
±
0.5%)
E-96
F(
±
1%)
E-96
G(
±
2%)
E-24
J(
±
5%)
E-24
±
100
10
Ω
-560k
Ω
10
Ω
-1M
Ω
10
Ω
-1M
Ω
±
200
1M
＜
R
≦
10M
Ω
10
Ω
-10M
Ω
10
Ω
-10M
Ω
RM25
1W Refer 5.2
200V 400V
±
400
1
Ω
-9.1
Ω
1
Ω
-9.1
Ω
1
Ω
-9.1
Ω
10M
＜
R
≦
20M
Ω
O
Ω
THICK FILM CHIP RESISTORS
Type
Rated Current Max Overload Current Resistance Range
RM25 2A 5A 50m
Ω
MAX
2. Operating Temp(
℃
): : -55
℃
〜
+125
℃
Note : Except for the above standardized products, we also provide the
customized products.
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
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TA-I TECHNOLOGY CO., LTD
5.1Derating 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
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 RM25JTN102 the rated voltage ?
RM25JTN102 P:1.0W ; R:102 = 1K
Ω
= 1000
Ω
E = 1.0(W) * 1000(
Ω
) = 31.6 (V)
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
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TA-I TECHNOLOGY CO., LTD
6. Reliability Tests: (As specified in JIS C 5202)
Test Items Reference
standard Condition of Test Test Limits
Temperature Coefficient of
Resistance
JIS-C5202-5.2 -55
〜
+125
℃
Refer 5.0
Short Time Overload
JIS-C5202-5.5 2.5 X rated voltage for 5 sec
±
(1% + 0.05
Ω
)
0
Ω
: 50m
Ω
or les
s
Intermittent Overload
JIS-C5202-5.8 3.0 X rated voltage
or Max Overloading
voltage ,1sec “ON” , 25sec “OFF” , 10000 cycles
±
(5.0% + 0.1
Ω
)
0
Ω
: 50m
Ω
or less
Load Life
JIS-C5202-7.10
1000 hours at rated voltage, 70
℃
, 1.5hours
“ON “, 0.5hour “OFF”
0.5%,1%:
±
(1.0%+0.05
Ω
)
2%,5%:
±
(3.0%+0.1
Ω
)
0
Ω
: 100m
Ω
or less
Load Life with Humidity
JIS-C5202-7.9 1000 hours at rated voltage , 40
±
2
℃
,
90~95% RH 1.5hours “ON “, 0.5hour “OFF”
0.5%,1%:
±
(1.0%+0.05
Ω
)
2%, 5%:
±
(3.0%+0.1
Ω
)
0
Ω
: 100m
Ω
or less
Without mechanical damage
Rapid Change of Temperature
JIS-C5202-7.4 -55
℃
(30 min. ) / +155
℃
(30 min. ) 5 cycles
0.5%,1% :
±
(0.5%+0.05
Ω
)
2%, 5% :
±
(1.0%+0.05
Ω
)
0
Ω
: 50m
Ω
or less
Solderability
JIS-C5202-6.11
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.
Robustness of Termination
(Bending)
JIS-C5202—6.1
3mm deflection
0.5%,1%:
±
(0.5%+0.05
Ω
)
2%,5%:
±
(1.0%+0.05
Ω
)
0
Ω
: 50m
Ω
or less
Dielectric Withstanding
Voltage (Voltage Proof)
JIS-C5202-5.7
Applying voltage :
500V 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.
≧
1G
Ω
Resistance to Dry Heat
JIS-C5202-7.2
125
±
5
℃
for 96
±
4Hrs
0.5%,1% :
±
(1.0%+0.05
Ω
)
2%,5% :
±
(2.0%+0.1
Ω
)
0
Ω
: 50m
Ω
or less
Resistance to Solder Heat
JIS-C5202-6.10
270
±
5
℃
solder , 10
±
1 sec dwell .
0.5%,1%:
±
(0.5%+0.05
Ω
)
2%, 5%:
±
(1.0%+0.05
Ω
)
0
Ω
: 50m
Ω
or less
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
5/10
TA-I TECHNOLOGY CO., LTD
Note* : RCWV : Rated continuous working voltage
.
7. Marking :
7.1 ±
±±
±2% & ±
±±
±5%(E24)
Resistance value is expressed by 3 digits, the first two digits represent the
significant figures of
nominal resistance value in
Ω
, and the third digit represents exponent for base of 10.
E.G. :, 472 = 47
×
10
2
= 4700
Ω
= 4.7K
Ω
7.2 ±
±±
±1% (E96 )
Resistance value is expressed by 4 digits or 3digits , the first three digits represent the significant
figures of nominal resistance value in
Ω
, and the fourth digit represents exponent for base of 10.
E.G. : 4701 = 470
×
10
1
= 4700
Ω
= 4.7K
7.3 ±
±±
±1%( E96/3digital )
The resistance value by 3 digits is requirement for customer.
Whisker
SONY
SS-00254-8
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 formation :
50 um or less .
Resistance to Solder Heat
SONY
SS-00254-5
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
Electrical characteristics shall be
Satisfied .
Without distinct deformation in
appearance
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
6/10
TA-I TECHNOLOGY CO., LTD
8. Taping & Reel :
8.1 Taping Dimensions
8.1.1 4 mm pitch Emboss :
Package
Type Size
Emboss Plastic Tape
4 mm pitch
RM 25 4000
8.2 Reel Specifications:
UNIT: mm
Type
ψ
A
ψ
B
ψ
C W T
RM25
178.0 ± 2.0 60.0 ± 1.0 13.0
±
1.0 13.0
±
1.0 15.5
±
1.0
Packing
Type A B W F E P
1
P
2
P
0
D
0
T
Paper
RM25
3.6
±
0.2 6.9
±
0.2 12.0
±
0.2
5.5
±
0.05
1.75
±
0.1
4.0
±
0.1
2.0
±
0.05
4.0
±
0.05
+0.1
ψ
1.5
-0
0.85
±
0.15
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
7/10
TA-I TECHNOLOGY CO., LTD
8.4. Peel –off force :
Peel –off force of paper and blister tape is in accordance with “JIS-C5202 ”
that is , 0.1 to 0.7 N at a peel-off speed of 300 mm / minute.
pull
top cover tape 300 mm/min
10〜15∘ standard: 0.1 ~ 0.7 N
carrier tape
9. Label :
9.1 Manufacture Label :
Date Code Resistance Tolerance Type
Lot No:
9.2 Customer Label( By customer request ):
Lead-Free Products
Product Spec.
Customer No:
Date
Year Month
QTY: 4000 PCS
102 J
00890166K- 0008 2512
TA-I TECH
LEAD FREE
2512 5%(T) 1K
Ω
105A702723 RM25JTN102
04.05.21
No
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TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
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TA-I TECHNOLOGY CO., LTD
10. Recommended land patterns :
Dimension ( mm )
Land pattern
Type
Size
a b c
RM 25 (2512 ) 3.6~4.0 7.6~8.6 2.3~3.5
11. Recommend IR – Reflow profile :
(solder : Sn96.5 / Ag3 / Cu0.5)
Peak : 250
0
5
−
+
℃
, 5 sec
Pre – heat Zone : 150 to 180
℃
, 90
±
30 sec
Soldering Zone : 230
℃
or higher , 30
±
10 sec
No
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TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
9/10
TA-I TECHNOLOGY CO., LTD
12. Storage Conditions:
Temperature : 5 to 35 ℃
Related Humidity :40 to 75% RH
13. Shelf Life:
2 years from manufacturing date.
14. ECN :
Engineering Change Notice: The customer will be informed with ECN if there is significant
modification on the characteristics and materials described in Approval Sheet.
15. Manufacturing Country & City :
TA-I TECHNOLOGY CO., LTD. ( Taiwan– Tao Yuan )
Tel: 886-3-3246169 Fax : 886-3-3246167
Associated companies :
(1) FORTUNE TASK RESISTOR FACTORY ( China – Dongguan )
Tel : 86-769-8339-4790
〜
3 Fax : 86-769-8339-4794
(2) TA-I TECHNOLOGY (DONGGUAN ) CO., LTD. ( China –Dongguan )
Tel : 86-769-8339-4790
〜
3 Fax : 86-769-8339-4794
(3) TA-I TECHNOLOGY ( SU ZHOU ) CO., LTD. ( China – Su Zhou)
Tel :86- 512-63457879 Fax : 86-512-63457869
(4) TAI OHM ELECTRONICS ( M ) SDN. BHD. ( Malaysia – Pulaupinang )
Tel :604- 3900480 Fax : 604-3901481
(5) P.T.TAI ELECTRONICS Indonesia ( Indonesia – Jakarta )
Tel :002-62-21-44820254 Fax : 002-62-21-44820256
No
TRM-250S009E
TA-I
Thick Film Chip Resistors
(Lead-Free for RM25 Series) page
10/10
TA-I TECHNOLOGY CO., LTD
Revise record
Date Content Owner
Nov.25.2005
4. Ratings & Characteristics :
Adding Rating Voltage
5. Reliability Tests:
Adding to Whisker & Resistance to soldering heat
7.3 Storage Conditions:
Deleted to Storage Conditions
8.2 Customer Label
Adding to Customer Label
10. Recommend IR – Reflow profile
Adding to Recommend IR – Reflow profile
11. Storage Conditions:
Adding to Storage Conditions:
12. Shelf Life
Adding to Shelf Life :
Hank Liu
Jul.10.2006
2.
Conductor : Adding to
(Lead-free or with lead)
3.
Type Designation:
25-2512
changed 25
-2512(6432)
(E-24) 103 = 10
3
Ω
= 10k
Ω
changed 103 = 10k
Ω
5 5.
Ratings & Characteristics :
Resistance Range(
Ω
) :
B(
±
0.1%) E-96 (TCR
±
100): 56
Ω
-560k
Ω
changed 10
Ω
-560K
Ω
D(
±
0.5%)E-96(TCR
±
100) : 56
Ω
-560k
Ω
changed 10
Ω
-1M
Ω
F(
±
1%)E-96 (TCR
±
200) : Adding To
1M
＜
R
≦
10M
Ω
J(
±
5%)E-24 (TCR
±
400) : : Adding To
10M
＜
R
≦
20M
Ω
9.1 Manufacture label :
Series number 3 codes changed to 4 codes
15. Manufacturing Country & City:
Adding TA-I TECHNOLOGY (DONGGUAN ) CO., LTD
Vincent
