Features
nꢀ Compatibleꢀwithꢀsurfaceꢀmountꢀ
nꢀ Single-Turnꢀ/ꢀCermetꢀ/ꢀIndustrialꢀ/ꢀSealed
nꢀ Miniatureꢀpackage
manufacturingꢀprocesses
nꢀ RoHSꢀcompliant*ꢀ-ꢀseeꢀprocessingꢀ
informationꢀonꢀRoHSꢀcompliantꢀsurfaceꢀ
mountꢀtrimmers
nꢀ Rotorꢀdesignedꢀforꢀautomaticꢀmachineꢀ
adjustꢀinterface
nꢀ Withstandsꢀharshꢀenvironmentsꢀandꢀ
immersionꢀcleaningꢀprocesses
nꢀ Forꢀtrimmerꢀapplications/processingꢀ
guidelines,ꢀclickꢀhere
3361 - 1/4 ˝ Square SMD Trimpot® Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Std. Resistance Range...... 10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ................±10 % std.
(tighter tolerance available)
3361P
3361S
6.71ꢀ±ꢀ0.12
(.264ꢀ±ꢀ.005)
6.71ꢀ±ꢀ0.25
(.264ꢀ±ꢀ.010)
2.77ꢀ ꢀ.005
(.109ꢀ ꢀ.0002)
2.77ꢀ ꢀ.005
(.109ꢀ ꢀ.0002)
7.37ꢀ±ꢀ0.38
(.290ꢀ±ꢀ.015)
A
A
7.04ꢀ±ꢀ0.25
(.277ꢀ±ꢀ.010)
A
A
Absolute Minimum Resistance
.........................................1 % or 2 ohms
(whichever is greater)
3.84ꢀ±ꢀ0.25
(.151ꢀ±ꢀ.010)
4.17ꢀ±ꢀ0.38
(.164ꢀ±ꢀ.015)
Contact Resistance Variation
ELECTRICALꢀ
ADJ.ꢀSLOT
ELECTRICALꢀ
ADJ.ꢀSLOT
................................3 % or 3 ohms max.
(whichever is greater)
1
3361
3
3361
1
3
ꢀ
0.64
ꢀ
X
ꢀWIDE
ꢀDEEP
0.64
X
(.025)
ꢀ0.89
(.035)
ꢀWIDE
ꢀDEEP
Adjustability
2.29ꢀ ꢀ.005
(.090ꢀ ꢀ.0002)
2.29ꢀ ꢀ.005
(.090ꢀ ꢀ.0002)
(.025)
ꢀ0.89
(.035)
Voltage.......................................±0.05 %
Resistance .................................±0.15 %
Resolution........................................ Infinite
Insulation Resistance ................... 500 vdc.
1,000 megohms min.
46ꢀ°
2.29
46ꢀ°
2.29
(.090)
1.54
(.090)
1.54
(.061)
(.061)
Dielectric Strength
Sea Level................................... 900 vac
80,000 Feet................................ 350 vac
Adjustment Angle...................... 240 ° nom.
0.89
(.035)
0.89
(.035)
Environmental Characteristics
SECTIONꢀA-A
5.21ꢀ±ꢀ0.63
(.205ꢀ±ꢀ.025)
SECTIONꢀA-A
Maximum Soldering Exposure
4.88ꢀ±ꢀ0.25
(.192ꢀ±ꢀ.010)
(Temp/Time)..........+260 ˚C/20 sec. max.
above 255 °C
4.88ꢀ±ꢀ0.12
(.192ꢀ±ꢀ.005)
0.46ꢀ±ꢀ0.02
(.018ꢀ±ꢀ.001)
0.38ꢀ±ꢀ0.05
(.015ꢀ±ꢀ.002)
DIA.
Power Rating (300 volts max.)
3ꢀPLACES
70 °C........................................ 0.50 watt
125 °C........................................... 0 watt
Temperature Range........-55 °C to +125 °C
Temperature Coefficient ........±100 ppm/°C
LEADSꢀTOꢀBEꢀ
COPLANAR
WITHINꢀ0.10
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(.004)
†
Seal Test......85 °C Fluorinert /60 seconds
0.71ꢀ±ꢀ0.25
(.028ꢀ±ꢀ.010)
Humidity............ MIL-STD-202 Method 103
96 hours
LEADSꢀTOꢀBEꢀ
COPLANAR
WITHINꢀ0.10
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ(.004)
(2 % ΔTR; 10 Megohms IR)
0.79ꢀ±ꢀ0.25
(.031ꢀ±ꢀ.010)
2.54ꢀ±ꢀ0.25
(.100ꢀ±ꢀ.010)
6.65ꢀ
REF.
0.38ꢀ±ꢀ0.12
(.015ꢀ±ꢀ.005)
Vibration ........... 30 G (1 % ΔTR; 1 % ΔVR)
Shock.............. 100 G (1 % ΔTR; 1 % ΔVR)
Load Life.....1,000 hours 0.5 watt @ 70 °C
(3 % ΔTR; 3 % or 3 ohms,
(.262)
2
2.54ꢀ±ꢀ0.25
(.100ꢀ±ꢀ.010)
2.54ꢀ±ꢀ0.25
(.100ꢀ±ꢀ.010)
2
whichever is greater, CRV)
2.29ꢀ±ꢀ0.25
(.090ꢀ±ꢀ.010)
1.02ꢀ±ꢀ0.25
Rotational Life............................200 cycles
(4 % ΔTR; 3 % or 3 ohms,
(.040ꢀ±ꢀ.010)
2.51ꢀ±ꢀ0.25
(.099ꢀ±ꢀ.010)
TYP.
8.53ꢀ±ꢀ0.76
(.336ꢀ±ꢀ.030)
whichever is greater, CRV)
Physical Characteristics
2.54ꢀ±ꢀ0.25
(.10ꢀ±ꢀ.010)
Mechanical Angle ..................... 270 ° nom.
Torque................................. 3.0 oz-in. max.
Stop Strength...................... 7.0 oz -in. min.
Terminals ........................... Solderable pins
Weight ........................................... 0.02 oz.
Marking........................... Resistance code,
terminal numbers, manufacturer’s
2.29ꢀ±ꢀ0.25
(.090ꢀ±ꢀ.010)
3
1
1
3
2.54ꢀ±ꢀ0.25
(.100ꢀ±ꢀ.010)
2.54ꢀ±ꢀ0.25
(.100ꢀ±ꢀ.010)
Recommended Land Pattern
1.19ꢀ ꢀ0.12
3ꢀPLCS
(.047ꢀ ꢀ.005)
model number, style
and date code
Recommended Land Pattern
Wiper ................... 50 % (Actual TR) ±10 %
Flammability ..............................U.L. 94V-0
Standard Packaging
3.30ꢀ ꢀ0.25
(.130ꢀ ꢀ.010)
3ꢀPLCS
1.19ꢀ±ꢀ0.12
(.047ꢀ±ꢀ.005)
TYP.
7.62ꢀ ꢀ0.12
(.300ꢀ ꢀ.005)
“S” Style ...................... 500 pcs./13 ˝ reel
“P” Style ...................... 750 pcs./13 ˝ reel
Adjustment Tool.................................. H-90
MSL ..........................................................3
9.70ꢀ±ꢀ0.12
(.381ꢀ±ꢀ.005)
2.54ꢀ ꢀ0.12
WIPER
2
(.100ꢀ ꢀ.005)
3.30ꢀ±ꢀ0.25
(.130ꢀ±ꢀ.010)
TYP.
CW
CCW
3
1
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
CLOCKWISE
5.08ꢀ±ꢀ0.12
(.200ꢀ±ꢀ.005)
ꢀ
0.25ꢀ ꢀꢀꢀꢀꢀꢀ
(.010)
TOLERANCES:
EXCEPTꢀWHEREꢀNOTED
ꢀ
*RoHSꢀDirectiveꢀ2015/863,ꢀMar.ꢀ31,ꢀ2015ꢀandꢀAnnexꢀ
†“Fluorinert”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀ3MꢀCo.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀUsersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀ
applications.ꢀTheꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀ
lastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer and
Reproductive Harm
www.P65Warnings.ca.gov