M
PL
IA
N
Features
■
Carbon element
■
Standard surface mount profile compatibility
■
Assorted resistances and tapers
■
Flatted and knurled shaft styles
■
Wide operating temperature range
■
RoHS compliant*
*R
oH
S
CO
T
PRS11S - 11 mm SMD Potentiometer
Electrical Characteristics
Standard Resistance Range...................................................................................................................................................1K ohms to 1 megohm
Standard Resistance Tolerance
R < 250K ohms .............................................................................................................................................................................................±20 %
R ≥ 250K ohms .............................................................................................................................................................................................±30 %
End Resistance
R < 50K ohms .................................................................................................................................................................................. 30 ohms max.
R ≥ 50K ohms ............................................................................................................................................................................. 0.1 % of TR max.
Insulation Resistance @ 250 VDC .............................................................................................................................................. 100 megohms min.
Dielectric Withstanding Voltage .................................................................................................................................................................... 300 VAC
Standard Taper ...................................................................................................................................................................................... Linear, audio
Power Rating
Linear ......................................................................................................................................................................................................0.05 watts
Audio .....................................................................................................................................................................................................0.025 watts
Slider Noise ...........................................................................................................................................................................................100 mV max.
Max. Operating Voltage .................................................................................................................................................................. 50 VAC / 30 VDC
Environmental Characteristics
Rotational Life....................................................................................................................................................................................... 15,000 cycles
TR Shift .........................................................................................................................................................................................................±15 %
Operating Temperature Range .........................................................................................................................................................-10 °C to +70 °C
Storage Temperature ........................................................................................................................................................................-40 °C to +85 °C
IP Rating .............................................................................................................................................................................................................IP 40
Mechanical Characteristics
Mechanical Angle ............................................................................................................................................................................. 300 ° +10 °, -5 °
Running Torque ................................................................................................................................................................................. 20 to 150 gf-cm
Stop Strength..................................................................................................................................................................................... 5.1 kgf-cm min.
Shaft Push/Pull Strength ...................................................................................................................................................................... 10.2 kgf max.
Weight ....................................................................................................................................................................................... 5 gm (0.17 oz.) max.
Terminals ............................................................................................................................................................ Printed circuit board surface mount
Soldering Condition
Reflow Soldering ..................... Sn 95.5 / Ag 2.8 / Cu 0.7 solder with no clean flux (see solder profiles for recommended time and temperature)
Manual Soldering ...................................................................................................................................................................... Not recommended
Hardware ............................................................................................................................................ No hardware supplied with this potentiometer
Packaging ............................................................................................................................................................................................... 40 pcs./tube
How To Order
Standard Resistance Table
PRS11S - N 20 K - 103 B1
Model Number
Designator
PRS11S = 11 mm SMD Potentiometer
Switch Option
N = No switch
Shaft Length (FMS)
20 = 20 mm
Shaft Style
F = Flatted Metal
K = Knurled Metal (18 tooth)
Resistance Code
(See Standard Resistance Table)
Resistance Taper (See Taper Charts)
Taper Series followed by Curve Number
Resistance
(Ohms)
1,000
5,000
10,000
25,000
50,000
100,000
250,000
300,000
500,000
1,000,000
Resistance
Code
102
502
103
253
503
104
254
304
504
105
Derating Curve
Rating Power Ratio (%)
100
80
60
40
33
20
0
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device
performance may vary over time.
Users should verify actual device performance in their specific applications.
0
10 20 30 40 50 60 70 80 90 100
Ambient Temperature (°C)
PRS11S - 11 mm SMD Potentiometer
Solder Profiles
300
250 °C Max.
(3 Seconds Max.)
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
Taper Charts
A Series Tapers
100
90
80
70
60
50
40
30
(3
A6
A5
):
:
0A
5A)
(2
: A4
)
0A
: A3
(2
A)
(15
A2
1
A):
(10
5A): A
(0
TEMPERATURE (°C)
200
150 ± 5 °C
100
Time
80~100 Seconds
25 Seconds Max.
20
10
Processing Method: Reflow soldering with
infrared heat
(only once).
0
10
20
30
40
50
60
70
80
90
100
Rotational Travel (%)
TEMPERATURE (°C)
300
B Series Tapers
100
200
230 °C Max.
(3 Seconds Max.)
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
90
B5
B4
B1
150 ± 5 °C
100
80
70
60
50
40
30
20
Time
80~100 Seconds
60 Seconds Max.
Processing Method: Reflow soldering with
hot air
(only once).
Notes:
1. No clean solder paste is recommended.
2. Aqueous wash is not recommended.
3. Use of water soluble soldering flux shall be avoided due to possible corrosion.
4. Multiple passes through the soldering process is not recommended.
10
0
10
20
30
40
50
60
B3
70
B2
80
90
100
Rotational Travel (%)
C Series Tapers
100
90
80
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
70
60
50
40
30
20
10
(3
(25 0C):
C
C
(20 ): C 6
5
(15 C):
C4
C)
:
(10 C3
(05 C):
C
C)
:C 2
1
Asia-Pacific:
Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA:
Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas:
Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
0
10
20
30
40
50
60
70
80
90
100
Rotational Travel (%)
REV. 08/14
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.