TC73 Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – Trimming Potentiometer

*RoHS ^COMPLIANT
Features
■ Recommended for reflow processing
■ Rotor design compatible with pick and
place and automatic adjustment equipment
■ Supplied in 8 mm embossed tape,
compatible with automatic assembly
equipment
■ Carbon element
■ RoHS compliant* - see processing
information on lead free surface mount
trimmers
TC73 - Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
..................................500 to 1 megohm
(see standard resistance table)
Resistance Tolerance ............±30 % std.
Absolute Minimum Resistance
≤ 1K Ohms......................20 ohms max.
>1K Ohms ....................2 % max. of TR
Contact Resistance Variation
...............................................5 % max.
Resolution...................................Infinite
Adjustment Angle.............260 ° ±20 °(-2)
Environmental Characteristics
Power Rating (50 VDC max.)
50 °C ......................................0.05 watt
Temperature Range ......-25 °C to +85 °C
Temperature Coefficient ....±250 ppm/°C
Humidity ....................................95 %RH
500 hours
TRS max. ........................+15 % to -2 %
Load Life
............@ 50 °C rated power 500 hours
TRS ±5 %
Rotational Cycling......................20 turns
TRS ±20 %
Physical Characteristics
Torque........................10-150 g-cm max.
Mechanical Angle
.......................Continuous; 260 ° ± 20 °
Marking......................Part marking code
Standard Packaging
..................................2000 pcs./7 ” reel
Soldering Process
Hand Soldering ...Soldering Iron of 20 W
or less controlled at 280 °C for about
3 sec. while applying solder
Reflow Soldering ........Peak temperature
or reflow oven should be
set to 240 °C max.
Standard Resistance Table
Resistance
(Ohms)
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
Part Marking
Code
52
13
23
53
14
24
54
15
25
55
16
Resistance
Code
501
102
202
502
103
203
503
104
204
504
105
Popular distribution resistance values listed in
boldface. Special resistances available.
TC73X/W-2
3.60
(.141)
1.60
(.062)
1.50
(.059)
1.90
(.075)
1.80
(.070)
0.80
(.031)
3.10
(.122)
2
2.20
(.086)
RESISTANCE
13
0.50
(.019)
1.80
(.070)
0.65
(.025)
1.15
(.059)
0.80
(.031)
1.15
(.059)
1.80
(.070)
DIA.
0.35
(.013)
DRIVER
SLOT DEPTH
0.55
(.021)
0.20
(.008)
DRIVER SLOT SHAPE
SUGGESTED PCB LAYOUT
1.30
(.051)
0.80
(.031)
1.30
(.051)
1.25
(.049)
How To Order
TC73 X - 1 - 103 E
Model
Style
Orientation of Parts
In Tape:
Style X: Terminals Away
From Sprocket
Holes
Style W: Terminals in direction
to sprocket holes
(preferred)
Standard or Modified
Product Indicator
1 = Mechanical rotation stop
(preferred)
2 = Continuous
Resistance Code
Embossed Tape Designator
E = 2000 pcs. per reel, 8 mm tape
Consult factory for other available options.
1.25
(.049)
1.20
(.047)
1.20
(.047)
0.80
(.031)
2 ^WIPER
CCW ₁
CLOCKWISE
3 CW
DIMENSIONS ARE:
MM
(INCHES)
REV. 09/04
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.