Features
nꢀ SingleꢀTurnꢀ/ꢀCermetꢀ/ꢀIndustrialꢀ/ꢀSealed
nꢀ Availableꢀonꢀtapeꢀandꢀreel
nꢀ RoHSꢀcompliant*ꢀversionꢀavailable
nꢀ Forꢀtrimmerꢀapplications/processingꢀꢀ
ꢀ
guidelines,ꢀclickꢀhere
nꢀ Availableꢀwithꢀaꢀknobꢀforꢀfingerꢀadjust
nꢀ Availableꢀwithꢀextendedꢀshaft
nꢀ Availableꢀwithꢀcross-slotꢀrotor
nꢀ Topꢀandꢀsideꢀadjustꢀtypesꢀ(F,ꢀP,ꢀH,ꢀW,ꢀXꢀꢀ
ꢀ
mostꢀpopular)
ꢀ
3386ꢀ-ꢀ3/8ꢀ˝ꢀSquareꢀTrimpot®ꢀTrimmingꢀPotentiometer
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
(see standard resistance table)
Resistance Tolerance ...........±10 % std.
(tighter tolerance available)
ADJ. SLOT
ADJ. SLOT
.76
(.030)
.76
(.030)
WIDE
WIDE
9.53
(.375)
.76
(.030)
3.15
.76
(.030)
3.15
9.53
(.375)
X
X
DEEP
LONG
X
X
DEEP
LONG
Absolute Minimum Resistance
.......................................2 ohms max.
Contact Resistance Variation
........................... 2 % or 3 ohms max.
(whichever is greater)
Adjustability
(.124)
(.124)
9.53
(.375)
9.53
(.375)
.38
(.015)
.38
(.015)
MIN.
MIN.
5.33
(.210)
5.64
(.222)
.51 .05
(.020 .002)
Voltage Divider...................... ±0.05 %
Rheostat................................ ±0.15 %
Resolution ................................... Infinite
Insulation Resistance ...............500 vdc.
1,000 megohms min.
5.97 .89
(.235 .035)
5.97 .89
(.235 .035)
.51 .05
(.020 .002)
DIA. PINS
DIA. PINS
2.54
(.100)
4.83
(.190)
3386H
3386B
2
3
2
1
1
3
Dielectric Strength
2.54
(.100)
2.54
(.100)
3.56 .25
(.140 .010)
1.40 .25
(.055 .010)
3.81
(.150)
3.81
(.150)
Sea Level................................ 900 vac
70,000 Feet............................ 350 vac
Adjustment Angle................. 280 ° nom.
1
2
3
3386S
3386W
Environmental Characteristics
Power Rating (300 volts max.)
3386C
3386J
3386X
3
2
1
2.44
(.096)
3.81
(.150)
3.81
3.56 .25
(.140 .010)
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
2.54
(.100)
2.54
(.100)
(.150)
1
2
3
3
2
1
2.44
(.096)
2.54
(.100)
2.44
(.096)
3.81
(.150)
(2 % ΔTR, 10 Megohms min.)
2.54
(.100)
3.81
Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR)
Shock ......... 100 G (1 % ΔTR; 1 % ΔVR)
Load Life..1,000 hours 0.5 watt @ 70 °C
(3 % ΔTR; 3 % or 3 ohms,
(.150)
2.54
(.100)
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
2
3
1
ꢀ
0.25ꢀ ꢀꢀꢀꢀꢀꢀ
(.010)
whichever is greater, CRV)
TOLERANCES:ꢀ
ꢀ
EXCEPTꢀWHEREꢀNOTED
2.54
(.100)
1.40 .25
(.055 .010)
Rotational Life .......................200 cycles
(4 % ΔTR; 3 % or 3 ohms,
2.54
(.100)
How To Order
3386 P - 1 - 103 T __ LF
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
-EY5 = Extended Shaft
whichever is greater, CRV)
Standard Resistance Table
Physical Characteristics
Resistance
(Ohms)
Resistance
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,
Code
10
20
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
50
100
200
Resistance Code
500
Optional Suffix Letter
1,000
T = Knob**
2,000
Packaging Designator
Blank = Tube (Standard)
5,000
wiring diagram, date code,
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
manufacturer’s model
R = Tape & Reel (W and U Pin Styles Only)
A = Ammo Pack (W and U Pin Styles Only)
number and style
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
Flammability ..........................U.L. 94V-0
Standard Packaging.....50 pcs. per tube
Wiper ...............50 % (Actual TR) ±10 %
Adjustment Tool..............................H-90
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Popular distribution resistance values listed in
boldface. Special resistances available.
**Knob option is available only in standard tube
packaging. Not recommended for side load
applications.
WARNING
CancerꢀandꢀReproductiveꢀHarm
www.P65Warnings.ca.gov
*RoHSꢀDirectiveꢀ2015/863,ꢀMar.ꢀ31,ꢀ2015ꢀandꢀAnnexꢀ
Consult factory for other available options.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀUsersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀ
applications.ꢀTheꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀ
lastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.
†“Fluorinert”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀ3MꢀCo.
“Trimpot”ꢀisꢀaꢀtrademarkꢀofꢀBourns,ꢀInc.
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