Features
n Single-Turn / Cermet / Industrial / Sealed
n Miniature package
n Rotor designed for automatic machine
adjust interface
n Withstands harsh environments and
immersion cleaning processes
n Compatible with surface mount
manufacturing processes
n RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
n For trimmer applications/processing
guidelines, click here
3361 - 1/4 ” Square SMD Trimpot
®
Trimming Potentiometer
Electrical Characteristics
Std. Resistance Range...... 10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ................±10 % std.
(tighter tolerance available)
Absolute Minimum Resistance
.........................................1 % or 2 ohms
(whichever is greater)
Contact Resistance Variation
................................ 3 % or 3 ohms max.
(whichever is greater)
Adjustability
Voltage .......................................±0.05 %
Resistance .................................±0.15 %
Resolution........................................ Innite
Insulation Resistance ................... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level ................................... 900 vac
80,000 Feet ................................ 350 vac
Adjustment Angle...................... 240 ° nom.
Environmental Characteristics
Maximum Soldering Exposure
(Temp/Time) ..........+260 ˚C/20 sec. max.
above 255 °C
Power Rating (300 volts max.)
70 °C ........................................ 0.50 watt
125 °C ........................................... 0 watt
Temperature Range ........-55 °C to +125 °C
Temperature Coefcient ........±100 ppm/°C
Seal Test ......85 °C Fluorinert
†
/60 seconds
Humidity............ MIL-STD-202 Method 103
96 hours
(2 % ΔTR; 10 Megohms IR)
Vibration ........... 30 G (1 % ΔTR; 1 % ΔVR)
Shock.............. 100 G (1 % ΔTR; 1 % ΔVR)
Load Life .....1,000 hours 0.5 watt @ 70 °C
(3 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life............................200 cycles
(4 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
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
and date code
Wiper ................... 50 % (Actual TR) ±10 %
Flammability ..............................U.L. 94V-0
Standard Packaging
“S” Style ...................... 500 pcs./13 ˝ reel
“P” Style ...................... 750 pcs./13 ˝ reel
Adjustment Tool .................................. H-90
MSL ..........................................................3
Product Dimensions
DIMENSIONS:
MM
(INCHES)
TOLERANCES:
0.25
EXCEPT WHERE NOTED
(.010)
Recommended Land Pattern
5.21 ± 0.63
(.205 ± .025)
4.88 ± 0.12
(.192 ± .005)
0.46 ± 0.02
(.018 ± .001)
3 PLACES
0.38 ± 0.12
(.015 ± .005)
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
2.51 ± 0.25
(.099 ± .010)
TYP.
2
3
1
0.79 ± 0.25
(.031 ± .010)
2.54 ± 0.25
(.100 ± .010)
8.53 ± 0.76
(.336 ± .030)
2.54 ± 0.25
(.100 ± .010)
2.54 ± 0.25
(.100 ± .010)
DIA.
6.71 ± 0.25
(.264 ± .010)
2.29 ± .005
(.090 ± .0002)
AA
2.77 ± .005
(.109 ± .0002)
1
3361
3
7.04 ± 0.25
(.277 ± .010)
3.84 ± 0.25
(.151 ± .010)
ELECTRICAL
ADJ. SLOT
0.64
(.025)
WIDE
0.89
(.035)
DEEP
X
SECTION A-A
46 °
2.29
(.090)
1.54
(.061)
0.89
(.035)
3361P
3.30 ± 0.25
(.130 ± .010)
5.08 ± 0.12
(.200 ± .005)
9.70 ± 0.12
(.381 ± .005)
1.19 ± 0.12
(.047 ± .005)
TYP.
3361S
6.71 ± 0.12
(.264 ± .005)
7.37 ± 0.38
(.290 ± .015)
4.17 ± 0.38
(.164 ± .015)
4.88 ± 0.25
(.192 ± .010)
0.38 ± 0.05
(.015 ± .002)
0.71 ± 0.25
(.028 ± .010)
6.65
(.262)
REF.
2.54 ± 0.25
(.10 ± .010)
1.02 ± 0.25
(.040 ± .010)
2
2.54 ± 0.25
(.100 ± .010)
2.54 ± 0.25
(.100 ± .010)
2.29 ± 0.25
(.090 ± .010)
2.29 ± 0.25
(.090 ± .010)
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
1
3
1
3361
3
2.29 ± .005
(.090 ± .0002)
2.77 ± .005
(.109 ± .0002)
A
A
ELECTRICAL
ADJ. SLOT
0.64
(.025)
WIDE
0.89
(.035)
DEEP
X
SECTION A-A
46 °
2.29
(.090)
1.54
(.061)
0.89
(.035)
Recommended Land Pattern
1
3
CW
CLOCKWISE
CCW
2
WIPER
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
1.19 ± 0.12
(.047 ± .005)
7.62 ± 0.12
(.300 ± .005)
3 PLCS
3.30 ± 0.25
(.130 ± .010)
3 PLCS
2.54 ± 0.12
(.100 ± .005)
TYP.
