oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
■
■
■
Single-Turn / Cermet / Industrial / Sealed
Miniature package
Rotor designed for automatic machine
adjust interface
Withstands harsh environments and
immersion cleaning processes
Compatible with surface
mount manufacturing processes
■
trimmers
■
*R
3361 - 1/4 ” Square SMD Trimming Potentiometer
Electrical Characteristics
Standard 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.........................................Infinite
Insulation Resistance ....................500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level .....................................900 vac
80,000 Feet ..................................350 vac
Adjustment Angle ......................240 ° nom.
Product Dimensions
3361P
6.71
±
0.12
(.264
±
.005)
Electrical adjustment
2.77
LONG
(.109)
0.64 WIDE
x
(.025)
3361S
6.71
±
0.12
(.264
±
.005)
Electrical adjustment
2.77
±
0.13
LONG
(.109
±
.005)
0.64
±
0.13 WIDE
x
(.025
±
.005)
0.89
±
0.13 DEEP
x
(.035
±
.005)
7.04
±
0.25
(.277
±
.010)
3.84
±
0.25
(.151
±
.010)
7.37
±
0.38
(.290
±
.015)
4.17
±
0.38
(.164
±
.015)
1 3361 3
5.21
±
0.63
(.205
±
.025)
x
0.89 DEEP
(.035)
1 3361 3
4.88
±
0.12
(.192
±
.005)
0.46
±
0.02
DIA.
(.018
±
.001)
3 PLACES
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
.071
±
0.25
(.028
±
.040)
0.38
±
0.12
(.015
±
.005)
0.79
±
0.25
(.031
±
.010)
2.54
±
0.25
(.100
±
.010)
4.88
±
0.25
(.192
±
.010)
.038
±
0.05
(.001
±
.002)
Environmental Characteristics
Maximum Soldering Exposure
(Temp/Time) ....................+245 ˚C/10 Sec.
Power Rating (300 volts max.)
70 °C..........................................0.50 watt
125 °C.............................................0 watt
Temperature Range ........-55 °C to +125 °C
Temperature Coefficient ........±100 ppm/°C
Seal Test............................85 °C Fluorinert
†
Humidity............MIL-STD-202 Method 103
96 hours
(2 %
∆TR;
10 Megohms IR)
Vibration.............30 G (1 %
∆TR;
1 %
∆VR)
Shock...............100 G (1 %
∆TR;
1 %
∆VR)
Load Life .....1,000 hours 0.5 watt @ 70 °C
(3 %
∆TR;
3 % or 3 ohms,
whichever is greater, CRV)
Rotational Life ............................200 cycles
(4 %
∆TR;
3 % or 3 ohms,
whichever is greater, CRV)
6.65
REF.
(.062)
2.54
±
0.25
(.100
±
.010)
2
1.02
±
0.25
(.040
±
.010)
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
2.54
±
0.25
(.100
±
.010)
2.29
±
0.25
(.090
±
.010)
2
2.54
±
0.25
(.100
±
.010)
TYP.
8.53
±
0.76
(.336
±
.030)
2.54
±
0.25
(.10
±
.010)
3
1
2.29
±
0.25
(.090
±
.010)
3
2.54
±
0.25
(.100
±
.010)
1
2.54
±
0.25
(.100
±
.010)
2.29
±
0.25
DIA.
(.090
±
.010)
3 PLACES
Recommended Land Pattern
1.19
±
0.12 3 PLCS
(.047
±
.005)
3.30
±
0.25
(.130
±
.010)
3 PLCS
Recommended Land Pattern
1.19
±
0.12
TYP.
(.047
±
.005)
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 Packing
“S” Style........................500 pcs./13 ˝ reel
“P” Style........................750 pcs./13 ˝ reel
Adjustment Tool ..................................H-90
7.62
±
0.12
(.300
±
.005)
9.70
±
0.12
(.381
±
.005)
3.30
±
0.25
(.130
±
.010)
5.08
±
0.12
(.200
±
.005)
2.54
±
0.12
(.100
±
.005)
TYP.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
MM
(INCHES)
CCW
2
1
CLOCKWISE
WIPER
3
CW
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
