Features
■ Compatible with surface mount
■ Single-Turn / Cermet / Industrial / Sealed
■ Miniature package
manufacturing processes
■ RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
■ Rotor designed for automatic machine
adjust interface
■ Withstands harsh environments and
immersion cleaning processes
■ For trimmer applications/processing
guidelines, click here
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
6.71 0.25
(.264 .010)
6.71 0.12
(.264 .005)
2.77 .005
(.109 .0002)
2.77 .005
(.109 .0002)
Absolute Minimum Resistance
........................................ 1 ꢀ or 2 ohms
(whichever is greater)
7.04 0.25
(.277 .010)
A
A
7.37 0.38
(.290 .015)
A
A
Contact Resistance Variation
3.84 0.25
(.151 .010)
4.17 0.38
(.164 .015)
............................... 3 ꢀ or 3 ohms max.
(whichever is greater)
ELECTRICAL
ADJ. SLOT
ELECTRICAL
ADJ. SLOT
3361
1
3
1
3
3361
Adjustability
0.64
(.025)
0.64
(.025)
X
WIDE
X
WIDE
Voltage...................................... 0.0ꢁ ꢀ
Resistance ................................ 0.1ꢁ ꢀ
Resolution ....................................... Infinite
Insulation Resistance ...................ꢁ00 vdc.
1,000 megohms min.
2.29 .005
(.090 .0002)
2.29 .005
(.090 .0002)
0.89
DEEP
(.035)
0.89
DEEP
(.035)
46 °
46 °
2.29
(.090)
1.54
2.29
(.090)
1.54
Dielectric Strength
Sea Level ................................... 900 vac
80,000 Feet................................ 3ꢁ0 vac
Adjustment Angle..................... 240 ° nom.
(.061)
(.061)
Environmental Characteristics
0.89
(.035)
0.89
(.035)
Maximum Soldering Exposure
(Temp/Time) ..........+260 ˚C/20 sec. max.
above 2ꢁꢁ °C
SECTION A-A
SECTION A-A
4.88 0.25
(.192 .010)
5.21 0.63
(.205 .025)
Power Rating (300 volts max.)
0.38 0.05
(.015 .002)
70 °C........................................0.ꢁ0 watt
12ꢁ °C...........................................0 watt
Temperature Range.......-ꢁꢁ °C to +12ꢁ °C
Temperature Coefficient ....... 100 ppm/°C
Seal Test..........................8ꢁ °C Fluorinert†
Humidity ...........MIL-STD-202 Method 103
96 hours
4.88 0.12
(.192 .005)
0.46 0.02
(.018 .001)
3 PLACES
DIA.
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
0.71 0.25
(.028 .010)
(2 ꢀ ΔTR; 10 Megohms IR)
Vibration ............30 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Shock ..............100 G (1 ꢀ ΔTR; 1 ꢀ ΔVR)
Load Life.....1,000 hours 0.ꢁ watt @ 70 °C
(3 ꢀ ΔTR; 3 ꢀ or 3 ohms,
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
0.38 0.12
(.015 .005)
6.65
REF.
(.262)
whichever is greater, CRV)
2.54 0.25
(.100 .010)
2.54 0.25
(.100 .010)
0.79 0.25
Rotational Life ...........................200 cycles
(4 ꢀ ΔTR; 3 ꢀ or 3 ohms,
(.031 .010)
2.54 0.25
2
2.29 0.25
(.090 .010)
2
whichever is greater, CRV)
(.100 .010)
1.02 0.25
(.040 .010)
Physical Characteristics
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
model number, style
2.51 0.25
(.099 .010)
TYP.
8.53 0.76
(.336 .030)
2.54 0.25
(.10 .010)
2.29 0.25
(.090 .010)
1
3
3
Recommended Land Pattern
1
and date code
2.54 0.25
(.100 .010)
2.54 0.25
(.100 .010)
1.19 0.12
3 PLCS
Wiper ...................ꢁ0 ꢀ (Actual TR) 10 ꢀ
Flammability ..............................U.L. 94V-0
Standard Packaging
“S” Style...................... ꢁ00 pcs./13 ˝ reel
“P” Style...................... 7ꢁ0 pcs./13 ˝ reel
Adjustment Tool..................................H-90
(.047 .005)
Recommended Land Pattern
3.30 0.25
(.130 .010)
3 PLCS
1.19 0.12
TYP.
7.62 0.12
(.300 .005)
(.047 .005)
WIPER
2
9.70 0.12
(.381 .005)
CW
CCW
3
1
2.54 0.12
CLOCKWISE
(.100 .005)
3.30 0.25
(.130 .010)
MM
(INCHES)
TYP.
DIMENSIONS:
0.25
5.08 0.12
(.200 .005)
*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.
TOLERANCES:
EXCEPT WHERE NOTED
(.010)
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