Features
nꢀ Single-turnꢀcermet/open-frame
nꢀ 2ꢀmmꢀsizeꢀmeetsꢀEIA/EIAJꢀstandardꢀtrimmerꢀfootprint
nꢀ RoHSꢀcompliant*ꢀ-ꢀseeꢀprocessingꢀinformationꢀonꢀRoHSꢀcompliantꢀsurfaceꢀmountꢀꢀ
ꢀ
trimmers
nꢀ Forꢀtrimmerꢀapplications/processingꢀguidelines,ꢀclickꢀhere
®
ꢀ ꢀꢀ
TC42ꢀ-ꢀ2ꢀmmꢀSMDꢀTrimpot ꢀTrimmingꢀPotentiometer
Electrical Characteristics
Product Dimensions
Packaging Specifications
Standard Resistance Range
.......................... 100 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance ................±25 % std.
Absolute Minimum Resistance
≤ 1K Ohms....................... 20 ohms max.
> 1K Ohms..................... 2 % max. of TR
Contact Resistance Variation........ 5 % max.
Resolution...................... Essentially infinite
Adjustment Angle......................240 ° ±20 °
2.2
(.087)
1.5
(.059)
0.3
(.012)
1.1
0.45
(.018)
5.5
0.3
(.043)
(.217)
(.012)
8.00
(.315)
1.3
(.051)
1.75 0.1
3.25 0.05
(.128 .002)
3.0
1.5
(.059)
(.069 .004)
(.118)
0.45
(.018)
1.3
DIA.
1.55 0.05
(.061 .002)
Environmental Characteristics
(.051)
0.8 0.1
(.031 .004)
Power Rating (50 VDC max.)
0.3
70 °C.......................................... 0.1 watt
Temperature Range........-40 °C to +100 °C
Temperature Coefficient ........±250 ppm/°C
Humidity........................................95 % RH
TRS Max.............................................±5 %
Load Life.... @70 °C rated power 1000 hrs.
TRS ±5 %
(.012)
4.0 0.1
(.157 .004)
4.0 0.1
(.157 .004)
2.0 0.1
(.079 .004)
Rotational Cycling....20 cycles, TRS ±10 %
Moisture Sensitivity Level..................... N/A
ESD Classification (HBM).........................2
1.0
(.039)
1.15
(.045)
2
0.6
(.024)
Physical Characteristics
9.0 1.0
(.354 .039)
11.4 1.0
(.449 .039)
Torque.................... 0.49 - 7.84 mN-m max.
Mechanical Angle ........Continuous rotation
Marking..........................Part marking code
Standard Packaging....... 3000 pcs./7 ” reel
Adjustment Tool........................ See note(1)
2.8
(.110)
1.0
(.039)
180.0 -3/+0
(7.09 -.118/+0)
1
3
0.7
(.028)
1.9
(.075)
(1) Use an adjustment tool with the following
recommended measurements:
• 1.2 mm (.047 in.) blade slot
Recommended Land Pattern
• 0.2 mm (.008 in.) slot width
The recommended adjustment tool size is
not available from Bourns. Please contact
a Bourns representative for further
information.
1.0
(.039)
0.6
(.024)
1.3
(.051)
Cautions
• Aqueous cleaning not recommended
60.0 -0/+1.0
(2.362 -0/+.039)
1.8
(.071)
DIA.
1.0
• Flow soldering not recommended;
use reflow soldering
(.039)
ꢀ
MM
(INCHES)
0.7
(.028)
DIMENSIONS:
ꢀ
• Model TC42 is not designed to be used
with flux - use care with flux when soldering
1.9
(.075)
ꢀꢀꢀꢀꢀ0.3ꢀꢀꢀꢀꢀꢀ
(0.01)
TOLERANCES:ꢀꢀ
ꢀ
EXCEPTꢀWHEREꢀNOTED
WIPER
2
CW
CCW
3
1
CLOCKWISE
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
“Trimpot”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀBourns,ꢀInc.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/legal/disclaimer.pdf.