Features
nꢀ RoHSꢀcompliant*ꢀversionꢀavailable
nꢀ Forꢀtrimmerꢀapplications/processingꢀꢀ
nꢀ SingleꢀTurnꢀ/ꢀCermetꢀ/ꢀIndustrialꢀ/ꢀSealed
nꢀ Availableꢀonꢀtapeꢀandꢀreel
ꢀ
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
4.83
(.190)
3386B
3386C
3386H
2.54
(.100)
2
3
2
1
Dielectric Strength
1
3
3.56 .25
(.140 .010)
Sea Level................................ 900 vac
70,000 Feet............................ 350 vac
Adjustment Angle................. 280 ° nom.
2.54
(.100)
2.54
(.100)
1.40 .25
(.055 .010)
3.81
(.150)
3.81
(.150)
Environmental Characteristics
Power Rating (300 volts max.)
1
2
3
3386S
3386W
3
2
1
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
3.56 .25
(.140 .010)
2.44
(.096)
3.81
(.150)
3.81
2.54
(.100)
2.54
(.100)
(.150)
3
2
1
3386J
1
2
3
(2 % ΔTR, 10 Megohms min.)
2.44
(.096)
3.81
(.150)
3.81
(.150)
2.44
(.096)
2.54
(.100)
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,
2.54
(.100)
2.54
(.100)
3386X
2
whichever is greater, CRV)
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
3
1
Rotational Life .......................200 cycles
(4 % ΔTR; 3 % or 3 ohms,
2.54
(.100)
ꢀ
0.25ꢀ ꢀꢀꢀꢀꢀꢀ
(.010)
1.40 .25
(.055 .010)
TOLERANCES:ꢀ
ꢀ
EXCEPTꢀWHEREꢀNOTED
whichever is greater, CRV)
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
Physical Characteristics
Standard Resistance Table
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,
Resistance
(Ohms)
Resistance
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
500
Resistance Code
1,000
wiring diagram, date code,
Optional Suffix Letter
2,000
manufacturer’s model
T = Knob**
5,000
number and style
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
Packaging Designator
Blank = Tube (Standard)
Flammability ..........................U.L. 94V-0
Standard Packaging.....50 pcs. per tube
Wiper ...............50 % (Actual TR) ±10 %
Adjustment Tool..............................H-90
R = Tape & Reel (W and U Pin Styles Only)
A = Ammo Pack (W and U Pin Styles Only)
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
Terminations
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀꢀ
annexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
†“Fluorinert”ꢀisꢀaꢀregisteredꢀtrademarkꢀofꢀ3MꢀCo.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀꢀ
sheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
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.
Consult factory for other available options.
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