Features
Compatible with surface mount
Single-Turn / Cermet / Industrial / Sealed
manufacturing processes
Miniature package
RoHS compliant* - see processing
Rotor designed for automatic machine
information on RoHS compliant surface
adjust interface
mount trimmers
Withstands harsh environments and
For trimmer applications/processing
immersion cleaning processes
guidelines, click here
3361 - 1/4 Square SMD Trimpot Trimming Potentiometer
Electrical Characteristics Product Dimensions
Std. Resistance Range...... 10 to 2 megohms
3361P 3361S
6.71 0.12
(see standard resistance table) 6.71 0.25
(.264 .005)
(.264 .010)
Resistance Tolerance ................10 % std.
2.77 .005
2.77 .005
(tighter tolerance available)
(.109 .0002) (.109 .0002)
7.37 0.38 A A
7.04 0.25 AA
Absolute Minimum Resistance
(.290 .015)
(.277 .010)
.........................................1 % or 2 ohms
(whichever is greater)
3.84 0.25
4.17 0.38
Contact Resistance Variation
ELECTRICAL
(.151 .010) (.164 .015)
ELECTRICAL
................................3 % or 3 ohms max. 1 3361 3 ADJ. SLOT
1 3361 3
ADJ. SLOT
(whichever is greater)
0.64
0.64 WIDE X
WIDE X (.025)
Adjustability
2.29 .005
(.025)
2.29 .005
0.89
Voltage .......................................0.05 %
(.090 .0002) DEEP
0.89
(.090 .0002)
(.035)
DEEP
Resistance .................................0.15 % (.035)
46
46
Resolution........................................
2.29
2.29
Insulation Resistance ................... 500 vdc.
(.090)
(.090)
1,000 megohms min.
1.54
1.54
Dielectric Strength (.061)
(.061)
Sea Level ................................... 900 vac
80,000 Feet ................................ 350 vac
Adjustment Angle...................... 240 nom.
0.89
0.89
(.035)
Environmental Characteristics
(.035)
SECTION A-A
Maximum Soldering Exposure
SECTION A-A
4.88 0.25
(Temp/Time) ..........+260 C/20 sec. max.
5.21 0.63
(.192 .010)
above 255 C
0.38 0.05
(.205 .025)
4.88 0.12
Power Rating (300 volts max.) (.015 .002)
0.46 0.02
(.192 .005) DIA.
70 C ........................................ 0.50 watt
(.018 .001)
125 C ........................................... 0 watt 3 PLACES
Temperature Range ........-55 C to +125 C
LEADS TO BE
........100 ppm/C
COPLANAR
Seal Test ......85 C Fluorinert /60 seconds
WITHIN 0.10 0.71 0.25
Humidity............ MIL-STD-202 Method 103 (.004) (.028 .010)
96 hours
LEADS TO BE
(2 % TR; 10 Megohms IR)
COPLANAR
0.38 0.12
6.65
Vibration ........... 30 G (1 % TR; 1 % VR)
WITHIN 0.10
REF.
(.015 .005)
(.262)
Shock.............. 100 G (1 % TR; 1 % VR) (.004)
Load Life .....1,000 hours 0.5 watt @ 70 C
2.54 0.25 2.54 0.25
0.79 0.25
(3 % TR; 3 % or 3 ohms, (.100 .010) (.100 .010)
(.031 .010)
whichever is greater, CRV) 2
2.29 0.25
2.54 0.25
2 1.02 0.25
Rotational Life............................200 cycles (.100 .010) (.090 .010)
(.040 .010)
(4 % TR; 3 % or 3 ohms,
whichever is greater, CRV)
2.51 0.25
Physical Characteristics
8.53 0.76 2.54 0.25
(.099 .010)
(.336 .030) (.10 .010)
Mechanical Angle ..................... 270 nom.
TYP.
2.29 0.25
Torque................................. 3.0 oz-in. max.
(.090 .010)
3 1
Stop Strength...................... 7.0 oz -in. min.
Terminals ........................... Solderable pins
Weight ........................................... 0.02 oz.
Recommended Land Pattern
3
1
Marking ........................... Resistance code,
2.54 0.25 2.54 0.25
1.19 0.12
terminal numbers, manufacturers
3 PLCS
(.100 .010) (.100 .010)
(.047 .005)
model number, style
and date code
Recommended Land Pattern
Wiper ................... 50 % (Actual TR) 10 %
3.30 0.25
1.19 0.12
TYP.
Flammability ..............................U.L. 94V-0
(.130 .010)
7.62 0.12
(.047 .005)
3 PLCS
Standard Packaging
(.300 .005)
S Style ...................... 500 pcs./13 reel
P Style ...................... 750 pcs./13 reel
Adjustment Tool .................................. H-90
9.70 0.12
MSL .......................................................... 3
(.381 .005)
2.54 0.12
WIPER
2
(.100 .005)
3.30 0.25
TYP.
(.130 .010)
CW
CCW 3
1
MM
DIMENSIONS:
CLOCKWISE
(INCHES)
5.08 0.12
(.200 .005)
0.25
TOLERANCES: EXCEPT WHERE NOTED
(.010)
*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.
WARNING
Specications are subject to change without notice. Users should verify actual device performance in their specic
Cancer and Reproductive Harm
applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
www.P65Warnings.ca.gov
*RoHS COMPLIANT
VERSIONS
AVAILABLE
3361 - 1/4 Square SMD Trimpot Trimming Potentiometer
How To Order
3361 P - 1 - 502 G LF (P Style) (S Style)
7.56
0.5
5.18
Model MAX.
(0.298)
(0.020)
(0.204)
Style
0.5
6 2
(0.020)
6.0 .10
(.236 .004)
Product Indicator
7.50 .10
40 2
36 2
(.295 .004)
-1 = Standard Product
DIA.
4.25
1.5 + .10/ .00
Resistance Code (0.167) 9.0
(.059 + .004/ .000)
(0.35)
Packaging Designator 4.00 .10
7.24 .10
16.0
(.157 .004)
G = Embossed Tape
(.285 .004)
(0.630)
7.5
S Style = 500 pcs./13 reel
(0.295)
P Style = 750 pcs./13 reel
1.75 0.1 5.13
(0.069 0.004) (0.202)
2.00 .10
Tape and reel material meets Antistatic ANSI
(.079 .004)
ESD 5541-2003 packaging standards.
12.00 .10
Terminations
(.472 .004)
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
1.75 .10
Consult factory for other available options.
(.069 .004)
9.52 .10
(.375 .004)
16.0 .30
(.630 .012)
12.0
TAPE
(.472)
Standard Resistance Table
1.5 +0.1/-0.0
1.5
Resistance Resistance
DIA. MIN.
1.78 .25
EQUAL SPACED 3 PLCS. (0.059 +.004/-.000)
(0.059)
(Ohms) Code
(.070 .010)
DIA.
10 100
18.69 .79 6.93
DIA.
20 200
(.736 .031) 2.0 0.1 (0.273)
50 500 13.0 .51
(0.079 0.004)
(.512 .020)
100 101
DIA.
200 201
4.0 0.05
500 501
(0.157 0.002)
8.9 0.2
1,000 102 8.8
(0.351 0.008)
2,000 202 (0.346)
5,000 502 REF.
99.06 1.02
10,000 103
(3.90 .040)
TAPE
20,000 203
25,000 253
50,000 503
17.78 0.25
EQUAL SPACED 3 PLCS.
100,000 104
(.0700 0.010)
200,000 204
18.69 0.79
DIA.
250,000 254 330.2 5.08
13.0 0.51 (0.736 0.031)
DIA.
DIA.
500,000 504 (13.000 .200)
(0.512 0.020)
16.51+ 2.03/ -.000
1,000,000 105
(.650 + .080/ -.000)
2,000,000 205 REEL
Popular distribution resistance values listed in
boldface. Special resistances available.
99.06 1.02
UNITS PACKAGED 750 PIECES PER REEL.
(3.90 0.040)
MM
DIMENSIONS:
(INCHES)
330.2 5.08
DIA.
(13.00 0.200)
16.51 +2.03/-0.00
(0.650 +0.080/-0.000)
REEL
UNITS PACKAGED 500 PIECES PER REEL.
MM
DIMENSIONS:
(INCHES)
REV. 11/16
Trimpot is a registered trademark of Bourns, Inc.
Specications are subject to change without notice.
Users should verify actual device performance in their specic applications.
The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.