DATA SHEET
THIN-FILM CHIP RESISTORS
TF×21 series, 0.5% TC50
10
Ω
TO
1 MΩ
sizes 1210, 1206, 0805, 0603 and 0402
Product Specification – Jul 10, 2003 V.2
Phycomp
Product specification
Thin-film chip resistors
sizes 1210, 1206, 0805, 0603 and 0402
FEATURES
•
High precision
•
High long-tem stability
•
Low temperature coefficient.
APPLICATIONS
•
Converters
•
Printer equipment
•
Motherboards
•
Telecom
•
Consumer.
QUICK REFERENCE DATA
DESCRIPTION
Size code
Resistance range
Resistance tolerance
and series
Temperature coefficient
Maximum dissipation at
T
amb
= 70
°C
Maximum permissible
voltage (DC or RMS)
Climatic category
(IEC 60068)
Basic specification
0.25 W
200 V
0.125 W
200 V
VALUE
TF521
1210
10
Ω
to 1 MΩ
TF021
1206
10
Ω
to 1 MΩ
TF121
0805
DESCRIPTION
TFx21 series, 0.5% TC50
10
Ω
to 1 MΩ
The resistors are constructed on a high grade ceramic body (aluminium
oxide). Internal metal electrodes are added at each end and connected by
a resistive paste which is applied to the top surface of the substrate. The
composition of the paste is adjusted to give the approximate resistance
required and the value is trimmed to within tolerance by laser cutting of
this resistive layer.
The resistive layer is covered with a protective coating and printed with
the resistance value. Finally, the two external end terminations are added.
To guarantee optimum solderability the outer layer consists of a lead-tin
alloy.
TF221
0603
10
Ω
to 332 kΩ
TF321
0402
10
Ω
to 100 kΩ
10
Ω
to 1 MΩ
±0.5%;
E24 and E96 series
≤ ±50 ×
10
−6
/K
0.125 W
150 V
0.1 W
75 V
0.0625 W
50 V
55/125/56
IEC 60115-8 and MIL-STD-202F
2003 Jul 10 Rev.2
2
www.yageo.com
Phycomp
Product specification
Thin-film chip resistors
sizes 1210, 1206, 0805, 0603 and 0402
ORDERING INFORMATION
Table 1
TYPE
TF521
TF021
TF121
TF221
TF321
Ordering code indicating resistor type and packing
SIZE
CODE
1210
1206
0805
0603
0402
RESISTANCE
VALUE
10
Ω
to 1 MΩ
10
Ω
to 1 MΩ
10
Ω
to 1 MΩ
10
Ω
to 332 kΩ
10
Ω
to 100 kΩ
TOL.
(%)
±0.5
±0.5
±0.5
±0.5
±0.5
Table 2
PAPER TAPE
ON REEL
5000
5000
5000
5000
10000
Last digit of 12NC
LAST DIGIT
9
1
2
3
4
5
TFx21 series, 0.5% TC50
10
Ω
to 1 MΩ
12NC ORDERING CODE
2390 412 6xxxx
2390 411 6xxxx
2390 401 6xxxx
2390 404 6xxxx
2390 407 6xxxx
O
RDERING EXAMPLE
The ordering code of a TF021
resistor, value 1000
Ω
with
0.5% tolerance, supplied on paper
tape of 5000 units per reel is:
2390 411 61002.
Ordering code (12NC)
•
The resistors have a 12-digit
ordering code starting with 2390;
see Table 1.
•
The subsequent 4 digits indicate
the resistor type and packing.
•
The remaining 4 digits indicate
the resistance value:
−
The first 3 digits indicate the
resistance value.
−
The last digit indicates the
resistance decade in
accordance with Table 2.
RESISTANCE
DECADE
10
Ω
to 97.6
Ω
100
Ω
to 976
Ω
1 kΩ to 9.76 kΩ
10 kΩ to 97.6 kΩ
100 kΩ to 976 kΩ
1 MΩ
2003 Jul 10 Rev.2
3
www.yageo.com
Phycomp
Product specification
Thin-film chip resistors
sizes 1210, 1206, 0805, 0603 and 0402
FUNCTIONAL DESCRIPTION
Product characterization
Standard values of nominal
resistance are taken from the E24
and E96 series for resistors with a
tolerance of
±0.5%.
The values of the E24 and E96
series are in accordance with
“IEC publication 60063”.
Limiting values
50
TFx21 series, 0.5% TC50
10
Ω
to 1 MΩ
D
ERATING
The rated power that the resistor can dissipate depends on the operating
temperature; see Fig.1.
Pmax
(%Prated )
100
MLB206
TYPE
LIMITING
LIMITING
(1)
POWER
VOLTAGE
(W)
(V)
200
200
150
75
50
0.25
0.125
0.125
0.1
0.0625
Fig.1
0
55
0
50
70
100 125
o
Tamb ( C)
TF521
TF021
TF121
TF221
TF321
Note
Maximum dissipation (P
max
) in percentage of rated power as a
function of the ambient temperature (T
amb
).
1. The maximum voltage that may
be continuously applied to the
resistor element, see
“IEC publication 60115-8”.
2003 Jul 10 Rev.2
4
www.yageo.com
Phycomp
Product specification
Thin-film chip resistors
sizes 1210, 1206, 0805, 0603 and 0402
MECHANICAL DATA
Mass per 100 units
TYPE
TF521
TF021
TF121
TF221
TF321
Marking
TYPE
TF521
TF021
TF121
TF221
TF321
4-D
IGIT
M
ARKING
For values up to 97.6
Ω
the R is
used as a decimal point. For values
of 1 kΩ or greater the first 3 digits
apply to the resistance value and the
fourth indicates the number of zeros
to follow.
Example
MARKING
10R0
10R2
1001
RESISTANCE
10
Ω
10.2
Ω
1 kΩ
TF521
(1210)
TF021
(1206)
TF121
(0805)
TF221
(0603)
TF321
(0402)
E24
4 digits
4 digits
4 digits
3 digits
E96
4 digits
4 digits
4 digits
3 digits
EIA-96
W
TFx21 series, 0.5% TC50
10
Ω
to 1 MΩ
O
UTLINES
MASS
(g)
1.67
1
0.55
0.25
0.052
T
protective coat
resistor layer
inner electrode
end termination
ceramic substrate
t
b
protective coat
t
t
marking
1001
CCB633
no marking
L
For dimensions see Table 3.
Fig.2
Outlines.
Table 3
TYPE
Chip resistor type and relevant physical dimensions; see Fig.2
L
(mm)
3.1
±0.1
3.1
±0.1
2.0
±0.1
1.6
±0.1
1.0
±0.1
W
(mm)
2.6
±0.1
1.6
±0.1
1.25
±0.1
0.8
±0.1
T
(mm)
0.55
±0.1
0.55
±0.1
0.50
±0.1
0.45
±0.1
t
t
(mm)
0.50
±0.2
0.45
±0.2
0.35
±0.2
0.25
±0.15
0.20
±0.1
t
b
(mm)
0.5
±0.2
0.4
±0.2
0.35
±0.2
0.25
±0.15
0.25
±0.1
0.50
±0.05
0.30
±0.05
2003 Jul 10 Rev.2
5
www.yageo.com
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