SR01 & S1 (Published)
Page 1 of 4
Precision Resistor Networks
SR01&
S1 Series
The
SR01
& S1 Series resistor networks are precision-class metal film components featuring tight resistance
tolerance and low values of temperature coefficient of resistance (TCR). This resistor network package
provides both excellent resistance ratio and TCR tracking.
Description
Electrical
Parameter
Resistance range
Power rating per
package
Operating temperature
Storage temperature
Power Derating Curve
SR01
& S1 series
10Ω - 40KΩ
(See Tolerance Table below
for further details)
0.25 watts @125°C
(refer to derating curve)
- 40 to +175°C
- 55 to +125°C
Tolerance Table
Resistance Value
Range
10Ω - <20Ω
20Ω - <100Ω
100Ω - 20KΩ
100Ω - 40KΩ
Abs.
Resistance
Tolerance
Available
≥
±0.1%
≥
±0.05%
≥
±0.01%
≥
±0.01%
Absolute TCR
Tolerance
Available
± 25 ppm/°C
± 25 ppm/°C
± 5, 10 or
25 ppm/°C
± 10 or 25
ppm/°C
Mechanical
Marking
For Leaded Products (63Sn / 37 Pb Terminals):
Marking shall be on the top (pattern) side of the product
and shall include:
The four digit series number
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SR01 & S1 (Published)
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The TFT "Don't Stop" logo
A one digit monthly date code
A pin one identifier
For Lead Free Products (100% Sn Terminals):
Marking shall be on the top (pattern) side of the product
and shall include:
The two digit series number
The absolute resistance tolerance
The resistance tracking tolerance
The TFT "Don't Stop" logo
A one digit monthly date code
A pin one identifier
Land Pattern
Packaging
Packaging Specification
Genaral Drawing Notes
General Guidelines & Recommendations
All dimensions are in mm.
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SR01 & S1 (Published)
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Packaging Materials
Packaging Requirements
Labeling Requirements
Not drawin to scale.
Carrier tape part #: TSSOP-08
Cover tape part #: Vendor determined.
Reel size: 7 or 13 inch - Quantity dependent.
All taping done in accordance with EIA 481
standards.
Pieces taped with the marking up and showing
through the cover tape (as shown in the above
drawing).
All orders under 100pcs, will be put on cut tape
only with no leader or trailer.
Labels will contain the TFT taped part number
and quantity of pieces taped.
Refer to the TFT Taped Part Numbering section
for part numbers.
Part Number
For Leaded Products (63Sn / 37Pb Terminal Finish):
Form
Absolute
Factor Resistance
Tolerance
SR01
T = 0.01%
Q = 0.02%
A = 0.05%
B = 0.10%
C = 0.25%
D = 0.50%
F = 1.00%
Resistance
Ratio
Tolerance
Q = 0.02%
A = 0.05%
B = 0.10%
C = 0.25%
D = 0.50%
Z = NONE
Resistance Value
XXXX / XXXX
R1 Value R2 Value
The first 3 digits are
significant figures. The
last digit specifies the
number of zeros. For
values <100 ohms, R is
used to designate the
decimal position.
Multiple values are
separated by a slash (/).
e.g: 1001 = 1KΩ
75R0 = 75Ω
1001/1002 = 1KΩ/10KΩ
Absolute TCR
Tolerance
(see note 4)
Y = 10 PPM/°
C
E = 25 PPM/°
C
TCR Tracking
Tolerance
(see note 2,3)
X = 1 PPM/°C
R = 2 PPM/°C
M = 5 PPM/°C
Packaging
(Tape and
Reel)
1 = 100
5 = 500
A = 1000
For Lead Free Products (100% Sn Terminal Finish):
Form Absolute Resistance
Factor Resistance
Ratio
Tolerance Tolerance
S1
T = 0.01%
Q = 0.02%
A = 0.05%
B = 0.10%
C = 0.25%
D = 0.50%
F = 1.00%
Resistance Value
Absolute
TCR
Tolerance
(see note 4)
Y = 10
PPM/°C
E = 25
PPM/°C
TCR
Packaging
(Tape and
Tracking
Reel)
Tolerance
(see note
2,3)
X = 1 PPM/°
1 = 100
5 = 500
C
R = 2 PPM/° A = 1000
C
M = 5 PPM/°
C
Lead Free
Designator
Q = 0.02%
XXXX / XXXX
A = 0.05% R1 Value R2 Value
B = 0.10% The first 3 digits are
C = 0.25% significant figures.
D = 0.50%
The last digit
Z = NONE specifies the number
of zeros. For values
<100 ohms, R is
used to designate
the decimal position.
Multiple values are
separated by a slash
(/).
e.g: 1001 = 1KΩ
75R0 = 75Ω
-C
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SR01 & S1 (Published)
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1001/1002 =
1KΩ/10KΩ
Note 1:
Refer to tolerance table above.
Note 2:
1 ppm/°C TCR tracking available only with identical resistances.
Note 3:
Ratio values greater than 50:1 only available in ± 5 PPM/°C TCR tracking tolerance.
Note 4:
Consult factory for ± 5 PPM/°C absolute TCR availability.
Examples:
SR01TQ1001/2001YRA
=
SR01
package, ±0.01% absolute resistance, ±0.02% resistance ratio, 1KΩ/2KΩ,
±10 ppm/°C absolute TCR, ±2 ppm/°C TCR tracking, 1000 piece tape and reel
S1QQ50R0/1001EM5-C = S1 package, ±0.02% absolute resistance, ±0.02% resistance ratio, 50Ω/1KΩ, ±25
ppm/°C absolute TCR, ±5 ppm/°C TCR tracking, 500 piece tape and reel, lead free designator.
1980 Commerce Drive, North Mankato, MN. 56001 (507) 625-8445
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