Document No
TRB-XXOS002N
2009/03/21
1/12
Metal Thin Film Chip Resistors
( RB series Standard )
Issued date
page
1. Scope :
This specification applies for the RB series of metal thin film chip resistors made by TA-I.
2. Construction:
Over Coat
Sn Plating
Ni Plating
Resistive Element
Ceramic Substrate
Inner electrode
3. Type Designation:
RB
Product Code
RB : Metal Thin Film
10
Size
Power Rating
B
Tolerance
T
Packaging
P
TCR
1001
Nominal
Resistance
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) 1/5W
20-2010(5025) 1/4W
25-2512(6432) 1/2W
A- ± 0.05%
B- ± 0.10%
C- ± 0.25%
D- ± 0.50%
F- ± 1.00%
T- Paper
Tape
B- Bulk
Cassette
J- ± 5 ppm
k- ± 10 ppm
M- ± 15 ppm
P- ± 25 ppm
S- ± 50 ppm
R- ± 100 ppm
e.g.,
1001=1kΩ
TA-I TECHNOLOGY CO., LTD
Document No
TRB-XXOS002N
2009/03/21
2/12
Metal Thin Film Chip Resistors
( RB series Standard )
Issued date
page
4. Dimensions:
1001
UNIT: mm
Type
RB02
RB04
RB06
RB10
RB12
RB13
RB20
RB25
L
0.63 ± 0.03
1.00 ± 0.05
1.60 ±0.10
2.00 ±0.10
3.10 ±0.10
3.10 ±0.10
5.00 ±0.15
6.30 ±0.20
W
0.30 ±0.03
0.50 ±0.05
0.80 ±0.10
1.25 ±0.10
1.55 ±0.10
2.55 ±0.10
2.50 ±0.15
3.20 ±0.20
C
0.1 ±0.05
0.20 ±0.10
0.30 ±0.20
0.40 ±0.20
0.50 ±0.30
0.50 ±0.30
0.60 ±0.30
0.60 ±0.30
d
0.15 ±0.05
0.25 ±0.10
0.30
＋
－
t
0.25 ±0.05
0.35 ±0.05
0.45 ±0.10
0.50 ±0.10
0.55 ±0.10
0.60 ±0.10
0.60 ±0.10
0.60 ±0.10
0.20
0.10
0.40 ±0.20
0.40 ±0.20
0.40 ±0.20
0.50 ±0.25
0.50 ±0.25
TA-I TECHNOLOGY CO., LTD
Document No
TRB-XXOS002N
2009/03/21
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Metal Thin Film Chip Resistors
( RB series Standard )
Issued date
page
5. Ratings & Characteristics
Type
Power
Rating
at 70℃
Rated
Voltage
Max.
Working
Voltage
Max.
Over- Load
Voltage
T.C.R
(PPM/℃)
Resistance Range
Resistance
tolerance(%)
RB02
1/32 W
Refer 5.2
15V
30V
±25
±50
±25
±50
±10
±25
50Ω~10KΩ
± 0.5
±1.0
± 0.05
RB04
1/16 W
Refer 5.2
50V
100V
2KΩ~50KΩ
RB04
1/16 W
Refer 5.2
50V
100V
±50
±100
±50
±100
±10
±25
10Ω~100KΩ
± 0.1
±1.0
RB06
1/10 W
Refer 5.2
75V
150V
1~9.1Ω
±0.5
±1.0
RB06
1/10W
Refer 5.2
75V
150V
±50
±100
± 50
±100
±10
±25
10Ω~390KΩ
± 0.1
±1.0
RB10
1/8 W
Refer 5.2
150V
300V
1~9.1Ω
±0.5
±1.0
RB10
1/8 W
Refer 5.2
150V
300V
±50
±100
10Ω~800KΩ
± 0.1
±1.0
RB12
1/4 W
Refer 5.2
150V
300V
± 50
±100
±10
±25
1~9.1Ω
±0.5
±1.0
RB12
1/4 W
Refer 5.2
150V
300V
±50
±100
10Ω~1MΩ
± 0.1
±1.0
RB13
1/5 W
Refer 5.2
150V
300V
±25
±50
4.7Ω~1MΩ
4.7Ω~1MΩ
± 0.05
± 0.05
± 0.1
± 0.25
± 0.50
RB20
1/4 W
Refer 5.2
150V
300V
±25
±50
4.7Ω~3MΩ
1Ω~3MΩ
TA-I TECHNOLOGY CO., LTD
Document No
TRB-XXOS002N
2009/03/21
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Metal Thin Film Chip Resistors
( RB series Standard )
Issued date
page
RB25
1/2 W
Refer 5.2
150V
300V
±25
±50
4.7Ω~1MΩ
4.7Ω~3MΩ
1Ω~3MΩ
± 0.05
± 0.1
± 0.25
± 0.50
Operating Temp(℃): -55℃ ~ +125℃
Note : Except for the above standardized products, we also provide the
customized products.
5.1 Derating Curve :
For resistors operated at ambient temperature over 70℃ , power rating shall be derated
according to figure 1.
100
P max.
Power ratio ( % )
50
0
-55
Figure 1
50
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
TA-I TECHNOLOGY CO., LTD
Document No
TRB-XXOS002N
2009/03/21
5/12
Metal Thin Film Chip Resistors
( RB series Standard )
Issued date
page
6. Reliability Tests:(As specified in JIS C 5202)
Test Items
Reference
standard
Condition of Test
+25 ~ +125
℃
Test Limits
Refer 5.0
Temperature Coefficient of
JIS-C5202-5.2
Resistance
Rapid Change of Temp.
Short Time Overload
Resistance to Dry Heat
Load Life
Resistance to Solder Heat
Bending
JIS-C5202-7.4
-55℃(30 min. ) / +125℃(30 min. ), 5
±(0.5%+0.05Ω)
cycles
±(0.5% + 0.05Ω)
±(0.5% +0.05Ω)
JIS-C5202-5.5 2.5 X rated voltage for 5sec
JIS-C5202-7.2 125±5℃ for 96±4Hrs
JIS-C5202-7.10
1000 hours at rated power , 70℃ ,
±(0.5% +0.05Ω)
1.5hours―ON ―, 0.5hour ―OFF‖
±(0.5% +0.05Ω)
±(0.5% +0.05Ω)
No abnormalities such as
flashover,
burning
dielectric breakdown shall
appear.
±(0.5% +0.05Ω)
JIS-C5202-6.10 270 ±5℃ solder , 10 ±1 sec dwell .
JIS-C5202—6.1 3mm deflection
Applying voltage :
Dielectric
Withstanding
0201 : 50V , 0402 & 0603 : 300V
JIS-C5202-5.7
Voltage (Voltage Proof)
The other 500V
for a minute .
Load Life with Humidity
JIS-C5202-7.5 40±2℃, 90~95% RH for 1000 hours
JIS-C5202-5.6
Applying voltage 100V for 1 minute.
Remark : 0201 50V
Insulation Resistance
≧1GΩ
Solderability
±5℃
sec dwell.
JIS-C5202-6.11 245
Solder :
solder,
/
2 ±0.5
Cu0.5
Sn96.5 Ag3.0 /
At least 95% of surface
area of electrode shall be
covered with new solder.
Vibration
ML-STD-202
Method 204
5 gs for 20 minutes, 12 cycles each of
±(0.5%+0.05Ω)
3 orientations.
Mech anical shock
ML-ST-D202
Method 213
Wave form : Tolerance for half sine
shock pulse Peakvalue is 100 gs ±(0.5%+0.05Ω)
Normal duration (D) is 6.
Note* :RCWV : Rated continuous working voltage .
TA-I TECHNOLOGY CO., LTD
