TC73X-1-203E Bourns Inc., TC73X-1-203E Datasheet
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TC73X-1-203E
Manufacturer Part Number
TC73X-1-203E
Description
TRIMPOT 20K OHM 3MM CARBON SMD
Manufacturer
Bourns Inc.
Series
TC73r
Specifications of TC73X-1-203E
Resistance (ohms)
20K
Power (watts)
0.05W, 1/20W
Tolerance
±30%
Temperature Coefficient
±250ppm/°C
Number Of Turns
Single
Adjustment Type
Top Adjustment
Mounting Type
Surface Mount
Resistive Material
Carbon
Package / Case
Square - 0.141" L x 0.122" W x 0.070" H (3.60mm x 3.10mm x 1.80mm)
Resistance In Ohms
20.0K
Resistance
20 KOhms
Power Rating
0.05 Watt (1/20 Watt)
Operating Temperature Range
- 25 C to + 85 C
Element Type
Carbon
Dimensions
3.1 mm W x 3.6 mm L x 1.8 mm H
Product
Trimmers
Taper
Linear
Termination Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Taper
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
TC73X-203ETR
Electrical Characteristics
Standard Resistance Range
Resistance Tolerance ........... ±30 % std.
Absolute Minimum Resistance
Contact Resistance Variation
Resolution ................................... Infi nite
Adjustment Angle ............260 ° ±20 °(-2)
Environmental Characteristics
Power Rating (50 VDC max.)
Temperature Range ..... -25 °C to +85 °C
Temperature Coeffi cient ... ±250 ppm/°C
Humidity ................................... 95 %RH
TRS max. ....................... +15 % to -2 %
Load Life
Rotational Cycling .....................20 turns
Physical Characteristics
Torque ....................... 10-150 g-cm max.
Mechanical Angle
Electrical Angle
Marking ..................... Part marking code
Standard Packaging
Soldering Process
Hand Soldering ... Soldering Iron of 20 W
Refl ow Soldering ....... Peak temperature
REV. 07/09
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
Customers should verify actual device performance in their specifi c applications
Specifi cations are subject to change without notice.
≤ 1K Ohms ................... 20 ohms max.
>1K Ohms ..................2 % max. of TR
50 °C .................................... 0.05 watt
-1 ......................................260 ° ± 20 °
-2 ...................................... Continuous
Both .................................. 260 ° nom.
............................... 500 to 1 megohm
............................................ 5 % max.
..........@ 50 °C rated power 500 hours
............................... 2000 pcs./7 ” reel
or less controlled at 280 °C for about
(see standard resistance table)
3 sec. while applying solder
or refl ow oven should be
set to 240 °C max.
TRS ±20 %
TRS ±5 %
500 hours
Features
■
■
■
■
TC73X/W-2
TC73 - Trimming Potentiometer
SUGGESTED PCB LAYOUT
(.025)
(.075)
0.65
1.90
Product Dimensions
(.059)
Recommended for refl ow 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
(.141)
1.15
3.60
(.031)
0.80
SLOT DEPTH
CCW
DRIVER
(.013)
0.35
(.049)
(.059)
DIMENSIONS:
(.070)
1.25
(.062)
1.50
1.80
(.051)
1.60
1
1.30
(.070)
(.008)
0.20
(.047)
1.80
1.20
(.051)
CLOCKWISE
1.30
DIA.
DRIVER SLOT SHAPE
1
(.031)
(.059)
0.80
1.15
2
(INCHES)
2
WIPER
MM
3
(.019)
(.070)
0.50
1.80
(.031)
0.80
(.047)
1.20
(.031)
0.80
(.086)
(.122)
2.20
RESISTANCE
3.10
3
(.021)
0.55
(.049)
1.25
CW
■
Model
Style
Orientation of Parts In Tape:
Standard or Modifi ed
Product Indicator
Resistance Code
Embossed Tape Designator
Consult factory for other available options.
Popular distribution resistance values listed in
boldface. Special resistances available.
How To Order
Style W: Terminals in direction
RoHS compliant* - see
information on lead free surface mount
trimmers
Style X: Terminals Away
Resistance
Standard Resistance Table
1,000,000
100,000
200,000
500,000
(Ohms)
10,000
20,000
50,000
1,000
2,000
5,000
500
1 = Mechanical rotation stop
2 = Continuous
E = 2000 pcs. per reel, 8 mm tape
Model TC73 is currently available,
although not recommended for new
designs.
From Sprocket Holes
to sprocket holes
(preferred)
(preferred)
Part Marking
Model TC33
Code
52
13
23
53
14
24
54
15
25
55
16
TC73 X - 1 - 103 E
processing
is preferred.
Resistance
Code
501
102
202
502
103
203
503
104
204
504
105