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3361 Datasheet, PDF (1/2 Pages) Allegro MicroSystems – 2-WIRE, CHOPPER-STABILIZED, HALL-EFFECT SWITCHES
*RoHS VCEOARMVSAPIOILLINAASBNLTE
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
■ RoHS compliant* - see processing
information on lead free surface mount
trimmers
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.
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)
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
Product Dimensions
3361P
6.71 ± 0.12
(.264 ± .005)
7.04 ± 0.25
(.277 ± .010)
3.84 ± 0.25
1 (.151 ± .010)
Electrical adjustment
2.77
(.109)
LONG
x
0.64
(.025)
WIDE
3361 3 x(.00.3859)DEEP
3361S
6.71 ± 0.12
(.264 ± .005)
7.37 ± 0.38
(.290 ± .015)
1 3361 3 4.17 ± 0.38
(.164 ± .015)
Electrical adjustment
2.77
(.109
±
±
0.13
.005)
LONG
x
0.64
(.025
±
±
0.13
.005)
WIDE
x
0.89
(.035
±
±
0.13
.005)
DEEP
4.88 ± 0.12
(.192 ± .005)
5.21 ± 0.63
(.205 ± .025)
0.46
(.018
±
±
0.0.0021)DIA.
3 PLACES
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
2.54 ± 0.25
(.100 ± .010)
TYP.
0.38 ± 0.12
(.015 ± .005)
0.79 ± 0.25
(.031 ± .010)
2
2.54 ± 0.25
(.100 ± .010)
8.53 ± 0.76
(.336 ± .030)
3
2.54 ± 0.25
(.100 ± .010)
1
2.54 ± 0.25
(.100 ± .010)
Recommended Land Pattern
1.19
(.047
±
±
0.0.1025)TYP.
9.70 ± 0.12
(.381 ± .005)
4.88 ± 0.25
(.192 ± .010)
.038 ± 0.05
(.001 ± .002)
.071 ± 0.25
(.028 ± .040)
2.54 ± 0.25
(.100 ± .010)
1.02 ± 0.25
(.040 ± .010)
(6.0.6652) REF.
LEADS TO BE
COPLANAR
WITHIN 0.10
(.004)
2.54 ± 0.25
(.100 ± .010)
2
2.29 ± 0.25
(.090 ± .010)
2.54 ± 0.25
(.10 ± .010)
3
1
2.29 ± 0.25 DIA.
(.090 ± .010)
3 PLACES
2.29 ± 0.25
(.090 ± .010)
Recommended Land Pattern
1.19 ± 0.12 3 PLCS
(.047 ± .005)
3.30 ± 0.25
(.130 ± .010)
3 PLCS
7.62 ± 0.12
(.300 ± .005)
3.30 ± 0.25
(.130 ± .010)
5.08 ± 0.12
(.200 ± .005)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIMENSIONS ARE:
MM
(INCHES)
2.54 ± 0.12
(.100 ± .005)
TYP.
2 WIPER
CCW 1
CLOCKWISE
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.