Features
■ Carbon element
■ Metal housing
■ 15-60 mm travel
■ Single and dual gang
■ Center detent option
■ RoHS compliant*
PTA Series - Low Profile Slide Potentiometer
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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.
Electrical Characteristics
Taper .................................... Linear, audio
Standard Resistance Range
.......................1 K ohms to 1 M ohms
Standard Resistance Tolerance .....±20 %
Residual Resistance
.......................500 ohms or 1 % max.
Insulation Resistance
........ Min. 100 megohms at 250 V DC
Environmental Characteristics
Operating Temperature
...................................-10 °C to +50 °C
Power Rating, Linear
15 mm ....0.05 W (0.025 W Dual Gang)
20 mm .......................... 0.1 W (0.05 W)
30 mm ............................ 0.2 W (0.1 W)
45 mm ......................0.25 W (0.125 W)
60 mm ......................0.25 W (0.125 W)
Power Rating, Audio
15 mm ..0.025 W (0.015 W Dual Gang)
20 mm ......................0.05 W (0.025 W)
30 mm .......................... 0.1 W (0.05 W)
45 mm ......................0.125 W (0.06 W)
60 mm ......................0.125 W (0.06 W)
Maximum Operating Voltage, Linear
15 mm .................................. 100 V DC
20-60 mm ............................. 200 V DC
Maximum Operating Voltage, Audio
15 mm .................................... 50 V DC
20-60 mm ............................. 150 V DC
Withstand Voltage, Audio
............................... 1 Min. at 300 V AC
Sliding Noise ................ 100 mV maximum
Tracking Error ..............3 dB at -40 to 0 dB
Mechanical Characteristics
Operating Force ............. 30 to 250 g-cm
Stop Strength ..................... 5 kg-cm min.
Sliding Life .........................15,000 cycles
Soldering Condition
........... 300 °C max. within 3 seconds
Travel .................... 15, 20, 30, 45, 60 mm
Lever Style & Product Dimensions
DIMENSIONS: MM
(INCHES)
How To Order
PTA 15 4 3 - 2 0 10 DP B 203
Model
Stroke Length
• 15 = 15 mm
• 20 = 20 mm
• 30 = 30 mm
• 45 = 45 mm
• 60 = 60 mm
Dust Cover Option
• 4 = No Dust Cover
No. of Gangs
• 3 = Single Gang
• 4 = Dual Gang
Pin Style
• 2 = PC Pins Down Facing
Center Detent Option
• 0 = No Detent
• 2 = Center Detent
Standard Lever Length
(See Table)
• 10 10 mm (CI Lever)
• 15 = 15
=
mm (DP, CP and CI)
Lever Style
• DP = Metal Lever (Refer to Drawing)
• CP = Metal Lever (Refer to Drawing)
• CI = Insulated Lever
(Refer to Drawing)
Resistance Taper
• A = Audio Taper
• B = Linear Taper
Resistance Code (See Table)
Other styles available.
*RoHS COMPLIANT
45
DP METAL LEVER
CP METAL LEVER
CI INSULATED LEVER
Actuator Styles
1.0
(.039)
1.0
(.039)
15.0
(.590)
10.0
(.393)
4.0
(.157)
3.0
(.118)
5.0
(.196) 6.6
(.259)
3.0
(.118)
R
0.4
(.016)
2 PLCS.
5.0
(.196)
5.0
(.196)
4.0
(.157)
15.0
(.590)
10.0
(.393)
1.0
(.039)
10.0
(.393)
4.0
(.157)
5.0
(.196)
6.6
(.259)
2.0
(.087)
1.0
(.039)
1.8
(.070) 1.2
(.047)
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.
PTA Series - Low Profile Slide Potentiometer
Product Dimensions
DIMENSIONS: MM
(INCHES)
2
31
SCHEMATIC
SINGLE GANG
2
2
31
31
SCHEMATIC
DUAL GANG
Single Gang Dimensions
Model A B C D E Travel
PTA1543 30
(1.18)
26
(1.02)
17.8
(.700)
20.2
(.795)
28.5
(1.12)
15
(.59)
PTA2043 35
(1.37)
31
(1.22)
22.8
(.897)
25.2
(.992)
33
(1.29)
20
(.787)
PTA3043 45
(1.77)
41
(1.61)
32.8
(1.29)
35.2
(1.38)
43.5
(1.71)
30
(1.18)
PTA4543 60
(2.36)
56
(2.20)
47.8
(1.88)
50.2
(1.97)
58.5
(2.30)
45
(1.77)
PTA6043 75
(2.95)
71
(2.79)
62.8
(2.47)
65.2
(2.56)
73.5
(2.89)
60
(2.36)
Dual Gang Dimensions
Model A B C D E F Travel
PTA1544 30
(1.18)
26
(1.02)
17.8
(.700)
20.2
(.795)
28.5
(1.12)
18
(.708)
15
(.59)
PTA2044 35
(1.37)
31
(1.22)
22.8
(.897)
25.2
(.992)
33
(1.29)
23
(.905)
20
(.787)
PTA3044 45
(1.77)
41
(1.61)
32.8
(1.29)
35.2
(1.38)
43.5
(1.71)
33
(1.29)
30
(1.18)
PTA4544 60
(2.36)
56
(2.20)
47.8
(1.88)
50.2
(1.97)
58.5
(2.30)
48
(1.88)
45
(1.77)
PTA6044 75
(2.95)
71
(2.79)
62.8
(2.47)
65.2
(2.56)
73.5
(2.89)
63
(2.48)
60
(2.36)
E
D
C
31
2
TRAVEL
C
D
E
B
A
PTAxx43
9.0
(.354)
6.5
(.255)
5.5
(.216)
3.0
(.118)
3.5
(.137)
0.5
(.019)
1.5 ± 0.3
(.059 ± .012)
4 PLCS.
8.4
(.330)
3.5
(.137) 1.7
(.067)
DIA.
4 PLCS.
MIN.
MIN.
1.2
(.047)
DIA.
3 PLCS.
M2 x 2 PLCS.
0.4
(.016)
E
D
F
C
1
PTAxx44
12
23
3
TRAVEL
C
D
E
B
A
9.0
(.354)
6.5
(.255)
5.5
(.216)
3.0
(.118)
3.5
(.137)
0.5
(.019)
1.7
(.067)
DIA.
4 PLCS.
1.2
(.047)
DIA.
6 PLCS.
8.4
(.330)
3.5
(.137)
2.0
(.078)
1.2
(.047)
MIN.
MIN.
M2 x 2 PLCS.
0.4
(.016)
Applications
■ Audio/TV sets
■ Radio
■ Amplifiers/mixers/drum machines/synthesizers
■ PCs/monitors
■ Appliances
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.
PTA Series - Low Profile Slide Potentiometer
REV. 11/18
Tapers
010
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
100
100
Audio Taper
Terminal 1-2 Output Voltage
Terminal 1-3 Input Voltage X 100 (%)
Rotational Travel (%)
010
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
100
100
Linear Taper
Terminal 1-2 Output Voltage
Terminal 1-3 Input Voltage X 100 (%)
Rotational Travel (%)
Standard Resistance Table
Resistance Resistance
(Ohms) Code
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
50,000 503
100,000 104
200,000 204
500,000 504
1,000,000 105
Derating Curve
Ambient Temperature (°C)
20 40 50 60 70 80 90 1003010
0
20
33
40
60
80
100
0
Rating Power Ratio (%)
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