*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.

3361 - 1/4 ” Square SMD Trimming Potentiometer

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

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

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

1

CLOCKWISE

CCW

DIMENSIONS ARE:

MM

(INCHES)

TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED

Product Dimensions

Recommended Land Pattern

6.71 ± 0.12

(.264 ± .005)

1 3361 3

7.04 ± 0.25

(.277 ± .010)

3.84 ± 0.25

(.151 ± .010)

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)

2.54 ± 0.25

(.100 ± .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)

Electrical adjustment

2.77

(.109)

0.64

(.025)

0.89

(.035)

LONG

x

WIDE

DEEP

x

DIA.

6.71 ± 0.12

(.264 ± .005)

7.37 ± 0.38

(.290 ± .015)

4.17 ± 0.38

(.164 ± .015)

4.88 ± 0.25

(.192 ± .010)

.038 ± 0.05

(.001 ± .002)

.071 ± 0.25

(.028 ± .040)

6.65

(.062)

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

Electrical adjustment

2.77 ± 0.13

(.109 ± .005)

0.64 ± 0.13

(.025 ± .005)

0.89 ± 0.13

(.035 ± .005)

LONG

x

WIDE

DEEP

x

2.29 ± 0.25

(.090 ± .010)

3 PLACES

DIA.

3

1 3361 3

3361P

3361S

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.

Recommended Land Pattern

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.