*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)
1
3
2
4.83
(.190)
3386B
2.54
(.100)
1
3
2
3386C
1.40 .38
(.055 .015)
1
3
2
3386H
2.44
(.096)
3.81
(.150)
1
3
2
3386J
2.44
(.096)
3
1
2
3386S
2.44
(.096)
3
1
2
3386W
3
1
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
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