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PTR908-2025K-B203

产品描述Potentiometer, Carbon, 0.025W, 20000ohm, 20V, 20% +/-Tol,
产品类别无源元件    电阻器   
文件大小429KB,共3页
制造商Bourns
官网地址http://www.bourns.com
标准
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PTR908-2025K-B203概述

Potentiometer, Carbon, 0.025W, 20000ohm, 20V, 20% +/-Tol,

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PL
IA
NT
Features
Carbon element
Ganging up to 8 sections available
Knurled and flatted shaft styles
Audio taper option
Tracking error within 3 dB
RoHS compliant*
*R
oH
S
CO
M
PTR90 Series - 9 mm Multi-Ganged Potentiometer w/Rotary Switch
Product Dimensions
PTR901
13.4
±
0.5
(.528
±
.020)
Electrical Characteristics
Standard Resistance Range
....................... 1 K ohms to 1 M ohms
Total Resistance Tolerance
.................................±10 % or ±20 %
Standard Tapers ................Linear & audio
Maximum Operating Voltage
............................... 150 VAC, 20 VDC
Rated Power
Linear Taper .......................0.05 watts
Audio Taper ......................0.025 watts
Noise .................................. 100 mV max.
Insulation Resistance @ 250 VDC
....................................... 100 M ohms
Dielectric Withstanding Voltage
..............................................300 VAC
End Resistance .................20 ohms max.
Tracking Error (-40 dB to 0 dB).......±3 dB
Environmental Characteristics
Operating Temperature
.................................-10 °C to +50 °C
Rotational Life ................... 15,000 cycles
IP Rating .......................................... IP 40
Switch Characteristics
Contact Resistance .....50 milliohms max.
Rated Power ...................... 3 A @ 16 VDC
Detent Torque .................. 400 g-cm max.
Switch Activation Angle............ 50 ° max.
Mechanical Characteristics
Mechanical Angle ...................300 ° ±10 °
Running Torque ...............10 to 250 g-cm
Stop Strength .......................... 4.0 kg-cm
Shaft Push/Pull Strength .......5.0 kgf min.
Shaft Wobble .....0.6 x L/20 mm p-p max.
Mounting Torque ............. 7.0 kg-cm min.
Soldering Condition
Manual Soldering
........96.5 Sn/3.0 Ag/0.5 Cu solid wire
or no-clean rosin cored wire
270 °C max. for 3 seconds
Wave Soldering
............. 96.5 Sn/3.0 Ag/0.5 Cu solder
with no-clean flux
260 °C max. for 5 seconds
Wash Process ...... Not recommended
Mounting Hardware ........ One flat washer
and one mounting nut supplied
per potentiometer
PTR902
15.8
±
0.5
(.528
±
.020)
SW
6.25
(.246)
RECOMMENDED PCB LAYOUT
6.25
(.246)
M7XP0.75
0.8
±
0.2
(.014
±
.007)
5.0
(.197)
SW
R2 R1
6.25
(.246)
5.0
(.197)
3
2
1
2.5
(.098)
M7XP0.75
0.8
±
0.2
(.014
±
.007)
5.0
(.197)
RECOMMENDED PCB LAYOUT
6.25
(.246)
3
2
1
3
2
1
2.5
(.098)
MOUNTING
SURFACE
DIA. HOLES
5 PLCS.
1.0 +0.2/-0
(.039 +.008/-0)
5.0
(.197)
5.0
SW
(.197)
MOUNTING
SURFACE
SCHEMATIC
5.0
SW
(.197)
R2 R1
DIA. HOLES
8 PLCS.
1.0 +0.2/-0
(.039 +.008/-0)
2
3
SCHEMATIC
3
3
R1 1
SW
2
2
1
SW
R2
1
R1
DIMENSIONS:
MM
(INCHES)
Derating Curve
Standard Resistance Table
Resistance
(Ohms)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
Resistance
Code
102
202
502
103
203
503
104
204
504
105
Rating Power Ratio (%)
100
80
60
40
33
20
0
0
10 20 30 40 50 60 70 80 90 100
Ambient Temperature (°C)
*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.
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