Datasheet

*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.
3386 - 3/8 ” Square Trimming Potentiometer
How To Order
3386 P - 1 - 103 T __ LF
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
-EY5 = Extended Shaft
Resistance Code
Optional Suffix Letter
T = Knob**
Packaging Designator
Blank = Tube (Standard)
R = Tape & Reel (W and U Pin Styles Only)
A = Ammo Pack (W and U Pin Styles Only)
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
**Knob option is available only in standard Tube
packaging.
Consult factory for other available options.
Features
■ Single Turn / Cermet / Industrial / Sealed
■ Available on tape and reel
■ Available with a knob for finger adjust
■ Available with extended shaft
■ Available with cross-slot rotor
Features
■ Top and side adjust types (F, P, H, W, X
most popular)
■ High voltage types available
(see Model 3386 HV2/3386 HV3 for
details)
■ RoHS compliant* version available
Electrical Characteristics
Standard Resistance Range
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ............±10 % std.
(tighter tolerance available)
Absolute Minimum Resistance
.........................................2 ohms max.
Contact Resistance Variation
.............................2 % 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
70,000 Feet ..............................350 vac
Adjustment Angle ..................280 ° nom.
Environmental Characteristics
Power Rating (300 volts max.)
85 °C........................................0.5 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 min.)
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; 1 % or 1 ohm,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4 % ∆TR; 1 % or 1 ohm,
whichever is greater, CRV)
Physical Characteristics
Mechanical Angle ..................310 ° nom.
Torque .............................5.0 oz-in. max.
Stop Strength ................15.0 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Flammability ...........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Wiper................50 % (Actual TR) ±10 %
Adjustment Tool ..............................H-90
9.53
(.375)
5.33
(.210)
.51 ± .05
(.020 ± .002)
5.97 ± .89
(.235
± .035)
.38
(.015)
Common Dimensions
Side Adjust
3.56 ± .38
(.140 ± .015)
3.81
(.150)
132
4.83
(.190)
3386B
2.54
(.100)
132
3386C
1.40 ± .38
(.055 ± .015)
13
2
3386H
2.44
(.096)
3.81
(.150)
132
3386J
2.44
(.096)
312
3386S
2.44
(.096)
312
3386W
31
2
3386X
ADJ. SLOT
.76
(.030)
.76
(.030)
3.15
(.124)
3.56 ± .38
(.140 ± .015)
1.40 ± .38
(.055 ± .015)
3.81
(.150)
WIDE
X
X
DEEP
LONG
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
3.81
(.150)
9.53
(.375)
MIN.
DIA. PINS
3.81
(.150)
3.81
(.150)
DIMENSIONS ARE:
MM
(INCHES)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Resistance Resistance
(Ohms) Code
10 100
20 200
50 500
100 101
200 201
500 501
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
25,000 253
50,000 503
100,000 104
200,000 204
250,000 254
500,000 504
1,000,000 105
2,000,000 205
Standard Resistance Table
Popular distribution resistance values listed in
boldface. Special resistances available.
*RoHS COMPLIANT
VERSIONS
AVAILABLE