Features
RoHS compliant* version available
Single Turn / Cermet / Industrial / Sealed
Available on tape and reel For trimmer applications/processing
guidelines, click here
Available with a knob for nger adjust
Available with extended shaft
Available with cross-slot rotor
Top and side adjust types (F, P, H, W, X
most popular)
3386 - 3/8 Square Trimpot Trimming Potentiometer
Electrical Characteristics Product Dimensions
Common Dimensions Common Dimensions
Standard Resistance Range
Side Adjust Models B,C,J,X Side Adjust Models H,S,W
......................10 ohms to 2 megohms
ADJ. SLOT ADJ. SLOT
(see standard resistance table)
.76 .76
WIDE WIDE
Resistance Tolerance ........... 10 % std.
(.030) (.030)
9.53
.76 .76
(tighter tolerance available) 9.53
X DEEP X DEEP
(.375)
(.030) (.030)
(.375)
Absolute Minimum Resistance
3.15 3.15
X LONG X LONG
....................................... 2 ohms max.
(.124) (.124)
9.53 9.53
.38 .38
Contact Resistance Variation
MIN. MIN.
(.375) (.375)
(.015) (.015)
........................... 2 % or 3 ohms max.
(whichever is greater)
5.33 5.64
Adjustability
(.210) (.222)
Voltage Divider ...................... 0.05 %
5.97 .89 5.97 .89
.51 .05 .51 .05
DIA. PINS DIA. PINS
(.235 .035) (.235 .035)
Rheostat ................................0.15 % (.020 .002) (.020 .002)
Resolution ................................... In nite
4.83
Insulation Resistance ...............500 vdc.
3386B 3386H
2.54
(.190)
1,000 megohms min. (.100) 2
32 1
Dielectric Strength 13
3.56 .25
Sea Level................................ 900 vac
2.54
1.40 .25
3.81
(.140 .010)
(.100)
70,000 Feet ............................ 350 vac
(.055 .010)
(.150)
2.54
3.81
Adjustment Angle ................. 280 nom.
(.100)
(.150)
Environmental Characteristics
3386C
12 3
3386S
Power Rating (300 volts max.)
32 1
85 C ......................................0.5 watt
3.56 .25
2.44
125 C .......................................0 watt 3.81
(.140 .010) 2.54
(.096)
(.150)
(.100)
2.54
Temperature Range ...-55 C to +125 C
3.81
(.100)
Temperature Coe cient ... 100 ppm/C
(.150)
Seal Test ......................85 C Fluorinert
32 1
Humidity .......MIL-STD-202 Method 103
3386W
3386J 12 3
96 hours
(2 % TR, 10 Megohms min.)
2.44
3.81
2.44
2.54
Vibration ....... 30 G (1 % TR; 1 % VR)
(.096)
(.150)
(.096)
(.100)
3.81
Shock ......... 100 G (1 % TR; 1 % VR)
2.54
(.150)
Load Life ..1,000 hours 0.5 watt @ 70 C
(.100)
(3 % TR; 3 % or 3 ohms,
2.54
3386X
(.100) 2
whichever is greater, CRV)
31
Rotational Life .......................200 cycles
MM
2.54
(4 % TR; 3 % or 3 ohms,
1.40 .25 DIMENSIONS:
(.100) (INCHES)
(.055 .010)
whichever is greater, CRV) 2.54
0.25
(.100)
TOLERANCES: EXCEPT WHERE NOTED
(.010)
Physical Characteristics
Standard Resistance Table
Mechanical Angle ................. 310 nom.
How To Order
Torque .............................5.0 oz-in. max.
Resistance Resistance
(Ohms) Code
Stop Strength ...............15.0 oz -in. min.
3386 P - 1 - 103 T __ LF
10 100
Terminals .......................Solderable pins
Model
20 200
Weight ....................................... 0.03 oz.
50 500 Style
100 101
Marking ...........................Manufacturers
Standard or Modi ed
200 201
Product Indicator
trademark, resistance code,
500 501
-1 = Standard Product
wiring diagram, date code, 1,000 102
-EY5 = Extended Shaft
2,000 202
manufacturers model
5,000 502 Resistance Code
number and style 10,000 103
Optional Su x Letter
20,000 203
Flammability ..........................U.L. 94V-0
T = Knob**
25,000 253
Standard Packaging .....50 pcs. per tube Packaging Designator
50,000 503
100,000 104 Blank = Tube (Standard)
Wiper ...............50 % (Actual TR) 10 %
200,000 204 R = Tape & Reel (W and U Pin Styles Only)
Adjustment Tool ..............................H-90
250,000 254
A = Ammo Pack (W and U Pin Styles Only)
500,000 504
Terminations
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
1,000,000 105
LF = 100 % Tin-plated (RoHS compliant)
annex and RoHS Recast 2011/65/EU June 8, 2011.
2,000,000 205
Blank = 90 % Tin / 10 % Lead-plated
Fluorinert is a registered trademark of 3M Co.
Popular distribution resistance values listed in (Standard)
Speci cations are subject to change without notice.
boldface. Special resistances available.
**Knob option is available only in standard tube
The device characteristics and parameters in this data
packaging. Not recommended for side load
sheet can and do vary in different applications and actual device performance may vary over time.
applications.
Users should verify actual device performance in their speci c applications.
Consult factory for other available options.
*RoHS COMPLIANT
VERSIONS
AVAILABLE
3386 - 3/8 Square Trimpot Trimming Potentiometer
Product Dimensions
Common Dimensions 3386H-EY5
2.54
Top Adjust Models F,G,K,P,R,U,V,Y 3386X-EY5 SHOWN
3386U
(.100)
2.54
ADJ. SLOT
ADJ. SLOT
(.100)
.76
.81
WIDE
WIDE
(.030)
(.032)
9.53 5.97 .89
.76
2.54
X DEEP
X DEEP
(.375) (.235 .035)
(.030)
32 1 4.78 .38 (.100)
3.15
4.83 (.188 .015) 3.56
X
LONG
X LONG
(.124)
(.190) (.140)
9.53 2.54
3386V
(.375) (.100) 12 3
.51 .05
(.020 .002) 3.56
.38 (.140)
2.54
5.64
MIN.
2.54
(.015) 1.40
(.100)
(.222)
(.100) 2
(.055)
2.54
31
5.64
(.100)
7.87
3386F
(.222) 1.40
2.54
3.56 .25 (.310)
2.54
(.055)
(.100)
(.140 .010)
2.54 (.100)
2.54
(.100)
(.100)
3386Y
31
2.54
3386P-EY5
2
3.56
(.100)
5.08
2.54
(.140)
(.200) 2.34 .38
(.100)
(.092 .015)
2
3386G 7.87
31
5.08
(.310)
ADJ. SLOT
(.200)
3.05 .38
.76 3.56 0.25 2.54
WIDE 2
(.120 .015)
(.030) (.140 .010) (.100)
.97
X DEEP 4.78 2.54
(.038)
(.188) (.100)
Common Dimensions
3.05
1 3
X
LONG Top Adjust Models M,T
(.120) 3 1
10.16
2.54
(0.40) ADJ. SLOT
COMMON TO (.100) 2
.76
3386V 2.54 2.54
WIDE
(.030)
(.100) (.100)
9.53 5.97 .89
.76
X DEEP
(.375) (.235 .035)
(.030)
3.15 The Model 3386 is available with a knob for finger
4.83
X LONG
3386K
(.124) adjustment. Add suffix letter to order code for
(.190)
2.54 .25
F, P and X terminal styles.
2 PLCS.
(.100 .010)
ADJ. SLOT
9.53
3.05 .38
5.59
(.375)
.51 .05
LONG
(.120 .015)
(.220)
(.020 .002)
1.02
2
.38
5.59 8.38 WIDE
5.33 X
MIN.
(.040)
(.015)
(.220) (.330)
(.210)
1.40
DEEP
31 4.83 X
(.055)
(.190)
3386M
90 3
3386P
2.54
10.41 .51 6.60
(.100)
132
(.410 .020) (.260)
4.78 .38 2.54
3.81
(.188 .015) (.100)
(.150)
3.81
3 1
(.150)
WIPER
2
2
2.54
3386T
CCW CW
(.100) 1 3
CLOCKWISE
.76 .38
3.81
12 3 (.030 .015)
3386R
MM
(.150)
DIMENSIONS:
2.54 (INCHES)
3.81
(.100)
(.150) 2.54 0.25
TOLERANCES: EXCEPT WHERE NOTED
(.100)
(.010)
1.22 .25
(.048 .010)
312
Speci cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their speci c applications.