Features
Single-Turn / Cermet / Industrial / Sealed
Miniature package
Rotor designed for automatic machine
adjust interface
Withstands harsh environments and
immersion cleaning processes
Tape and reel packaging available
RoHS compliant* version available
For trimmer applications/processing
guidelines,
click here
3362 - 1/4 ” Square Trimpot® Trimming Potentiometer
*RoHS Directive 2002/95/EC Jan. 27, 2003 including
annex and RoHS Recast 2011/65/EU June 8, 2011.
†“Fluorinert” is a registered trademark of 3M Co.
Electrical Characteristics
Standard Resistance Range
......................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ........... ±10 % std.
Absolute Minimum Resistance
.................................... 1 % or 2 ohms
(whichever is greater)
Contact Resistance Variation
........................... 1 % or 3 ohms max.
(whichever is greater)
Adjustability
Voltage Divider ...................... ±0.05 %
Rheostat ................................ ±0.15 %
Resolution ...................................
Insulation Resistance ...............500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 900 vac
80,000 Feet ............................ 350 vac
Adjustment Angle ................. 240 ° nom.
Environmental Characteristics
Power Rating (300 volts max.)
70 °C ....................................0.50 watt
125 °C .......................................0 watt
Temperature Range ... -55 °C to +125 °C
... ±100 ppm/°C
Seal Test ......................85 °C Fluorinert†
Humidity .......MIL-STD-202 Method 103
96 hours
(2 % ΔTR; 10 Megohms IR)
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,
whichever is greater, CRV)
Rotational Life .......................200 cycles
(4 % ΔTR; 3 % or 3 ohms,
whichever is greater, CRV)
Physical Characteristics
Mechanical Angle ................. 270 ° nom.
Torque ............................. 3.0 oz-in. max.
Stop Strength .................7.0 oz -in. min.
Terminals .......................Solderable pins
Weight ....................................... 0.02 oz.
Marking ....................... Resistance code,
terminal numbers, manufacturer’s
model number, style
and date code
Wiper ............... 50 % (Actual TR) ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
Product Dimensions
13CW
CLOCKWISE
CCW
2WIPER
TOLERANCES: ± 0.25 EXCEPT WHERE NOTED
(.010)
DIMENSIONS: MM
(INCHES)
6.60
(.260)
ADJ. CROSS
SLOT
LONG X
WIDE X
DEEP X 3.84
(.151)
.25
(010)
4.70
(.185)
5.46 ± .38
(.215 ± .015)
.330
(.013)
.46 ± .03
(.018 ± .001)
90° ± 5°4.06 ± .38
(.160 ± .015)
1
3
2
3.53
(.139)
31 2
31 2
1.02
(.040)
31 2
31 2
PIN MARKING
REVERSED FOR
STYLE W
31 2
31 2
1
3 2
3
1 2
2.54
(.100)
2.77
(.109)
.64
(.025)
.89
(.035)
ADJ. CROSS SLOT
LONG X
WIDE X
DEEP X
2.77
(.109)
.64
(.025)
.89
(.035)
2.29
(.090)
2.54
(.100)
2.54
(.100)
2.54
(.100)
3.53
(.139)
1.80
(.071)
5.46 ± .38
(.215 ± .015)
.46 ± .12
(.018 ± .005)
2.54
(.100)
2.54
(.100)
1.02
(.040)
1.02
(.040)
1.02
(.040)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100) TYP.
6.99
(.275) 6.99
(.275)
6.60
(.260)
3.84
(.151)
5.08
(.200)
4.70
(.185)
4.70
(.185)
13 2
2.54
(.100)
1.02
(.040)
4.70
(.185)
4.70
(.185)
4.70
(.185)
1.22
(.048)
DIA.
3 PLCS.
.46 ± .03
(.018 ± .001)
DIA.
3 PLCS.
TYP. .25
(010) TYP.
*RoHS COMPLIANT
VERSIONS
AVAILABLE
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
9.93
(.391)
14.63
(.576)
6.71
(.264)
0.46 ± 0.03
(.018 ± .001)
DIA. 3 PLCS.
3.53
(.139)
0.25
(.010)
2.54
(.100)
5.00
(.197) DIA.
7.04
(.277)
3.84
(.151)
5.46
(.215)
2.54
(.100)
2.54
(.100)
4.7
(.185)
ADJ. SLOT
LONG
X WIDE
X DEEP
4.0
(.157)
0.6
(.024)
1.0
(.039)
31
2
TOLERANCES: ± 0.25 EXCEPT WHERE NOTED
(.010)
DIMENSIONS: MM
(INCHES)
“Trimpot” is a registered trademark of Bourns, Inc.
3362 - 1/4 ” Square Trimpot® Trimming Potentiometer
How To Order
3362 P - 1 - 502 T __ LF
Model
Style
Product Indicator
-1 = Standard Product
Resistance Code
T = Knob*
Packaging Designator
Blank = Tube (Standard)
R = Tape and Reel
(M, U and P Pin Styles Only)
A = Ammo Pack
(M, U and P Pin Styles Only)
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
*Knob option is available only in standard Tube
packaging for terminal styles F, H, P, R and U.
Consult factory for other available options.
Standard Resistance Table
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
Popular distribution resistance values listed in
boldface. Special resistances available.
Product Dimensions
Top adjust models 3362F, H, P, R and U are
(“P” Style
shown)
SIDE ADJUST
3362M-1
3
2
1
TOP ADJUST
3362U-1, 3362P-1
SIDE VIEW
3362U-1
SIDE VIEW
3362P-1
REF.
DIA.
3
2
1
ALL PINS IN-LINE ON CENTER
DIMENSIONS:
1000/REEL/BOX
2.54
(.100)
MM
(INCHES)
ALL PINS IN-LINE ON CENTER
DIMENSIONS: 750/REEL
1000/BOX
2.54
(.100)
MM
(INCHES)
12.70
(.500)
7.0
(.275)
22.7 ± .76
(.893 ± .029) 18 ± .76
(.708 ± .029)
4.0 ± 0.3
(.157 ± .011)
3.56 ± .38
(.140 ± .014)
18 + .76/ -.5
(.708 + .029 -.019)
12.70 + 0.3/ - 0.25
(.500 + .011 -.009)
4.7
(.185)
7.0
(.275)
25.02 ± .76
(0.985 ± .030)
12.70
(.500) REF.
18 + 1.0/ - 0.5
(.709 + .039 -.019)
12.7 + 0.3/ -0.25
(.500 + .012/ -.009)
DIA.
4.0 ± 0.3
(.157 ± .011)
18 ± .76
(.708 ± .029)
2.3 ± .38
(.090 ± .014)
4.7
(.185)
Meets EIA Speci cation 468.
REV. 09/16
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
^P[OV\[UV[PJL<ZLYZZOV\SKJOLJRMVYHUKVI[HPU[OLSH[LZ[YLSL]HU[PUMVYTH[PVUHUK]LYPM`[OH[Z\JOPUMVYTH[PVUPZJ\YYLU[
and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns®WYVK\J[PUH\ZLYHWWSPJH[PVUTH`]HY`
MYVT[OLKH[HZOLL[JOHYHJ[LYPZ[PJZHUKWHYHTL[LYZK\L[VP[OLJVTIPUH[PVUVM[OL)V\YUZ® product with other components
PU[OL\ZLY»ZHWWSPJH[PVUVYPP[OLLU]PYVUTLU[VM[OL\ZLYHWWSPJH[PVUP[ZLSM;OLJOHYHJ[LYPZ[PJZHUKWHYHTL[LYZVMH)V\YUZ®
WYVK\J[HSZVJHUHUKKV]HY`PUKPɈLYLU[HWWSPJH[PVUZHUKHJ[\HSWLYMVYTHUJLTH`]HY`V]LY[PTL<ZLYZZOV\SKHS^H`Z]LYPM`
the actual performance of the Bourns®WYVK\J[PU[OLPYZWLJPÄJKL]PJLZHUKHWWSPJH[PVUZHUKTHRL[OLPYV^UPUKLWLUKLU[
Q\KNTLU[ZYLNHYKPUN[OLHTV\U[VMHKKP[PVUHS[LZ[THYNPU[VKLZPNUPU[V[OLPYKL]PJLVYHWWSPJH[PVU[VJVTWLUZH[LMVY
KPɈLYLUJLZIL[^LLUSHIVYH[VY`HUKYLHS^VYSKJVUKP[PVUZ
<USLZZ)V\YUZOHZL_WSPJP[S`KLZPNUH[LKHUPUKP]PK\HS)V\YUZ® product as meeting the requirements of a particular industry
Z[HUKHYKLN0:6;:  VYHWHY[PJ\SHYX\HSPÄJH[PVULN<3SPZ[LKVYYLJVNUPaLK)V\YUZPZUV[YLZWVUZPISLMVYHU`
MHPS\YLVMHUPUKP]PK\HS)V\YUZ®WYVK\J[[VTLL[[OLYLX\PYLTLU[ZVMZ\JOPUK\Z[Y`Z[HUKHYKVYWHY[PJ\SHYX\HSPÄJH[PVU<ZLYZ
of Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to
[OLPYKL]PJLZVYHWWSPJH[PVUZ
Bourns®WYVK\J[ZHYLUV[YLJVTTLUKLKH\[OVYPaLKVYPU[LUKLKMVY\ZLPUU\JSLHYSPMLZH]PUNSPMLJYP[PJHSVYSPMLZ\Z[HPUPUN
HWWSPJH[PVUZUVYPUHU`V[OLYHWWSPJH[PVUZ^OLYLMHPS\YLVYTHSM\UJ[PVUTH`YLZ\S[PUWLYZVUHSPUQ\Y`KLH[OVYZL]LYLWYVWLY[`
VYLU]PYVUTLU[HSKHTHNL<USLZZL_WYLZZS`HUKZWLJPÄJHSS`HWWYV]LKPU^YP[PUNI`[^VH\[OVYPaLK)V\YUZYLWYLZLU[H[P]LZ
on a case-by-case basis, use of any Bourns®WYVK\J[ZPUZ\JO\UH\[OVYPaLKHWWSPJH[PVUZTPNO[UV[ILZHMLHUK[O\ZPZH[
[OL\ZLY»ZZVSLYPZR3PMLJYP[PJHSHWWSPJH[PVUZPUJS\KLKL]PJLZPKLU[PÄLKI`[OL<:-VVKHUK+Y\N(KTPUPZ[YH[PVUHZ*SHZZ000
KL]PJLZHUKNLULYHSS`LX\P]HSLU[JSHZZPÄJH[PVUZV\[ZPKLVM[OL<UP[LK:[H[LZ
)V\YUZL_WYLZZS`PKLU[PÄLZ[OVZL)V\YUZ®Z[HUKHYKWYVK\J[Z[OH[HYLZ\P[HISLMVY\ZLPUH\[VTV[P]LHWWSPJH[PVUZVUZ\JO
WYVK\J[Z»KH[HZOLL[ZPU[OLZLJ[PVULU[P[SLK¸(WWSPJH[PVUZ¹<USLZZL_WYLZZS`HUKZWLJPÄJHSS`HWWYV]LKPU^YP[PUNI`[^V
H\[OVYPaLK)V\YUZYLWYLZLU[H[P]LZVUHJHZLI`JHZLIHZPZ\ZLVMHU`V[OLY)V\YUZ®Z[HUKHYKWYVK\J[ZPUHUH\[VTV[P]L
HWWSPJH[PVUTPNO[UV[ILZHMLHUK[O\ZPZUV[YLJVTTLUKLKH\[OVYPaLKVYPU[LUKLKHUKPZH[[OL\ZLY»ZZVSLYPZR0M)V\YUZ
L_WYLZZS`PKLU[PÄLZHZ\IJH[LNVY`VMH\[VTV[P]LHWWSPJH[PVUPU[OLKH[HZOLL[MVYP[ZZ[HUKHYKWYVK\J[ZZ\JOHZPUMV[HPUTLU[
VYSPNO[PUNZ\JOPKLU[PÄJH[PVUTLHUZ[OH[)V\YUZOHZYL]PL^LKP[ZZ[HUKHYKWYVK\J[HUKOHZKL[LYTPULK[OH[PMZ\JO)V\YUZ®
Z[HUKHYKWYVK\J[PZJVUZPKLYLKMVYWV[LU[PHS\ZLPUH\[VTV[P]LHWWSPJH[PVUZP[ZOV\SKVUS`IL\ZLKPUZ\JOZ\IJH[LNVY`VM
H\[VTV[P]LHWWSPJH[PVUZ(U`YLMLYLUJL[V)V\YUZ®Z[HUKHYKWYVK\J[PU[OLKH[HZOLL[HZJVTWSPHU[^P[O[OL(,*8Z[HUKHYK
VY¸H\[VTV[P]LNYHKL¹KVLZUV[I`P[ZLSMTLHU[OH[)V\YUZOHZHWWYV]LKZ\JOWYVK\J[MVY\ZLPUHUH\[VTV[P]LHWWSPJH[PVU
Bourns®Z[HUKHYKWYVK\J[ZHYLUV[[LZ[LK[VJVTWS`^P[O<UP[LK:[H[LZ-LKLYHS(]PH[PVU(KTPUPZ[YH[PVUZ[HUKHYKZNLULYHSS`
VYHU`V[OLYNLULYHSS`LX\P]HSLU[NV]LYUTLU[HSVYNHUPaH[PVUZ[HUKHYKHWWSPJHISL[VWYVK\J[ZKLZPNULKVYTHU\MHJ[\YLKMVY
\ZLPUHPYJYHM[VYZWHJLHWWSPJH[PVUZ)V\YUZL_WYLZZS`PKLU[PÄLZ)V\YUZ® standard products that are suitable for use in aircraft
VYZWHJLHWWSPJH[PVUZVUZ\JOWYVK\J[Z»KH[HZOLL[ZPU[OLZLJ[PVULU[P[SLK¸(WWSPJH[PVUZ¹<USLZZL_WYLZZS`HUKZWLJPÄJHSS`
HWWYV]LKPU^YP[PUNI`[^VH\[OVYPaLK)V\YUZYLWYLZLU[H[P]LZVUHJHZLI`JHZLIHZPZ\ZLVMHU`V[OLY)V\YUZ® standard
WYVK\J[PUHUHPYJYHM[VYZWHJLHWWSPJH[PVUTPNO[UV[ILZHMLHUK[O\ZPZUV[YLJVTTLUKLKH\[OVYPaLKVYPU[LUKLKHUKPZH[
the user’s sole risk.
;OL\ZLHUKSL]LSVM[LZ[PUNHWWSPJHISL[V)V\YUZ® custom products shall be negotiated on a case-by-case basis by Bourns
and the user for which such Bourns®J\Z[VTWYVK\J[ZHYLZWLJPHSS`KLZPNULK(IZLU[H^YP[[LUHNYLLTLU[IL[^LLU)V\YUZ
HUK[OL\ZLYYLNHYKPUN[OL\ZLHUKSL]LSVMZ\JO[LZ[PUN[OLHIV]LWYV]PZPVUZHWWSPJHISL[V)V\YUZ® standard products shall
also apply to such Bourns® custom products.
Users shall not sell, transfer, export or re-export any Bourns®WYVK\J[ZVY[LJOUVSVN`MVY\ZLPUHJ[P]P[PLZ^OPJOPU]VS]L[OL
KLZPNUKL]LSVWTLU[WYVK\J[PVU\ZLVYZ[VJRWPSPUNVMU\JSLHYJOLTPJHSVYIPVSVNPJHS^LHWVUZVYTPZZPSLZUVYZOHSS[OL`\ZL
Bourns®WYVK\J[ZVY[LJOUVSVN`PUHU`MHJPSP[`^OPJOLUNHNLZPUHJ[P]P[PLZYLSH[PUN[VZ\JOKL]PJLZ;OLMVYLNVPUNYLZ[YPJ[PVUZ
HWWS`[VHSS\ZLZHUKHWWSPJH[PVUZ[OH[]PVSH[LUH[PVUHSVYPU[LYUH[PVUHSWYVOPIP[PVUZPUJS\KPUNLTIHYNVZVYPU[LYUH[PVUHS
YLN\SH[PVUZ-\Y[OLY)V\YUZ® products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns® products may not, without
WYPVYH\[OVYPaH[PVUMYVT)V\YUZHUKVY[OL<:.V]LYUTLU[ILYLZVSK[YHUZMLYYLKVYYLL_WVY[LK[VHU`WHY[`UV[LSPNPISL
[VYLJLP]L<:JVTTVKP[PLZZVM[^HYLHUK[LJOUPJHSKH[H
;V[OLTH_PT\TL_[LU[WLYTP[[LKI`HWWSPJHISLSH^)V\YUZKPZJSHPTZPHU`HUKHSSSPHIPSP[`MVYZWLJPHSW\UP[P]LJVUZLX\LU[PHS
PUJPKLU[HSVYPUKPYLJ[KHTHNLZVYSVZ[YL]LU\LZVYSVZ[WYVÄ[ZHUKPPHU`HUKHSSPTWSPLK^HYYHU[PLZPUJS\KPUNPTWSPLK^HYYHU[PLZ
VMÄ[ULZZMVYWHY[PJ\SHYW\YWVZLUVUPUMYPUNLTLU[HUKTLYJOHU[HIPSP[`
)RU\RXUFRQYHQLHQFHFRSLHVRIWKLV/HJDO'LVFODLPHU1RWLFHZLWK*HUPDQ6SDQLVK-DSDQHVH7UDGLWLRQDO&KLQHVHDQG6LPSOLÀHG&KLQHVH
bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf
*9