Features
n
Surface Mount 4 mm Square / Multiturn
100
3224W
811 C
Cermet / Industrial / Sealed
n
Halogen free** with date code 114
n
Sealed to withstand board wash
processing
n
Pick and place centering design, with flush
adjustment
n
4mm design meets EIA/EIAJ/IPC/VECI
SMD standard trimmer footprint
n
Low CRV - 1 %
n
RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
n
For trimmer applications/processing
guidelines, click here
3224 - 4 mm SMD Trimpot
®
Trimming Potentiometer
Standard Resistance Range
.......................................... 10 to 2 megohm
(see standard resistance table)
Resistance Tolerance ....................±10 % std.
Absolute Min. Resistance .....1 % or 2.0 ohms
(whichever is greater)
Contact Resistance Variation
....................................1 % or 3 ohms max.
Resolution ..........................Essentially Infinite
Insulation Resistance ........................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level ....................... 600 vac (1 minute)
Adjustment Angle ..................... 12 turns nom.
Power Rating (300 volts max.)
85 °C .............................................0.25 watt
150 °C ................................................0 watt
Temperature Range ............-65 °C to +150 °C
Temperature Coefficient ............±100 ppm/°C
Seal Test .......... 85 °C Fluorinert†/60 seconds
Humidity ................MIL-STD 202 Method 106
TRS ±2 %; IR 10 megohms
Vibration .............. 20 G TRS±1 %; VRS ±1 %
Shock ................ 100 G TRS ±1 %; VRS±1 %
Load Life.... @ 85 °C rated power 1,000 hours
TRS .......3 ohms or 3 % (whichever is greater)
Rotational Cycling ......................... 200 cycles
TRS .......3 ohms or 3 % (whichever is greater)
Thermal Shock .................................. 5 cycles
TRS±2 %; VRS±1 %
Moisture Sensitivity Level ......................... N/A
ESD Classification ........................................ 2
Mechanical Stop ...........................Wiper idles
Torque..................................... 180 g-cm max.
Weight ........................Approximately 0.01 oz.
Marking......................... Manufacturer’s code,
resistance code and date code
Solderability ....................... Per MIL-STD-202,
Method 208
Wiper ........................50 % (Actual TR) ±10 %
Flammability .......................................UL94V0
Pushover Strength
J, G ..................................................4.4 lbs.
W, X ......................................................1 lb.
Adjustment Tool...................................... H-91
MM
DIMENSIONS:
(INCHES)
0.25
TOLERANCES: ±
EXCEPT WHERE NOTED
(.010)
Electrical Characteristics
Product Dimensions
1.5
DIA.
(.060)
1.2
(.047)
2
1
4.8
(.190)
1.5
DIA.
(.060)
1.2
(.047)
2
1
4.8
(.190)
2.6
(.102)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
DEEP
X
(.020)
2.4
(.095)
5.0
(.195)
4.6
(.180)
3
2.3
(.090)
2.7
(.108)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5 DEEP
X
(.020)
2.4
(.095)
6.0
(.236)
4.6
(.180)
3
2.3
(.090)
3.71
(.146)
0.2
(.007)
3.9
(.152)
0.13
(.005)
Environmental Characteristics
0.8
(.032)
1.0
(.039)
2 PLCS.
2.0
3 PLCS
(.079)
4.0
(.157)
1.14
(.045)
1.3
3 PLCS.
(.050)
0.5
TYP.
(.020)
5.2
(.205)
2.0
(.079)
1.3 2 PLCS.
(.050)
2.3
(.090)
1.3
(.050)
0.5
(.020)
0.9
(.034)
2 PLCS.
0.2
(.007)
2.0
(.079)
1.3
2.3
(.050) (.090)
2 PLCS.
1.3
(.050)
0.5
(.020)
0.9
(.034)
2 PLCS.
0.2
(.007)
3.9
(.155)
1
2.5
(.100)
3.5
(.139)
5.1
(.200)
1.3
(.050)
0.8
2 PLCS
(.032)
1
3.5
(.139)
Physical Characteristics
1.2
(.047)
2
2.6
(.103)
1.5
(.060)
DIA.
4.8
(.190)
1.0
3 PLCS.
(.040)
5.3
(.208)
0.7
(.028)
1.3
(.050)
5.1
(.200)
2.5
(.100)
2
1.2
(.047)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5 DEEP
X
(.020)
3.9
(.155)
4.8
(.190)
3
1.0
3 PLCS.
(.040)
5.3
(.208)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
DEEP
X
(.020)
5.7
(.225)
0.8
(.032)
0.2
(.007)
1.3
2 PLCS.
(.050)
2.0
(.079)
2.9
(.114)
0.2
(.007)
1.3
2 PLCS.
(.050)
5.1
(.200)
2.0
(.079)
1.6
(.061)
3 PLCS.
2.5
(.100)
0.8
2 PLCS.
(.032)
2
CCW
WIPER
1
CLOCKWISE
3
CW
DIMENSIONS:
MM
(INCHES)
2.5
(.100)
1.9
TYP.
(.075)
0.8
2 PLCS.
(.032)
WARNING Cancer and
Reproductive Harm
www.P65Warnings.ca.gov
* RoHS Directive 2015/863, Mar. 31, 2015 and Annex
** Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halogen
free” if (a) the Bromine (Br ) content is 900 ppm or less; (b) the Chlorine ( Cl ) content is 900 ppm or less; and
(c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less.
“Trimpot” is a trademark of Bourns, Inc. †“Fluorinert” is a registered trademark of 3M Co.
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.
Additional Features
n
J-hook, and gull-wing
n
Top and side adjust styles
3224
- 2 mm SMD Trimming Potentiometer
3312
- 4 mm SMD Trimpot
®
Trimming Potentiometer
Packaging Specifications
J & G Styles
.04
MAX.
(.002)
W Style
6.09
MAX.
(.240)
.05
MAX.
(.002)
X Style
6.35
(.250)
MAX.
4.5
MAX.
(.177)
5.52 ± .05
(.217 ± .002)
5.55 ± .10 (J)
(.219 ± .004)
6.25 ± .10 (G)
(.246 ± .004)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00 ± .20
(.157 ± .008)
.35
MAX
(.014)
7.50
(.295)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00 ± .20
(.157 ± .008)
7.50 ± .05
(.295 ± .002)
4.90 ± .10
(.193 ± .004)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00
(.157)
6.70
(.264)
2.00 ± .05
(.079 ± .002)
5.10 ± .10
(.201 ± .004)
2.00 ± .05
(.079 ± .002)
4.05 ± .12
(.159 ± .005)
2.00
(.079)
12.00 ± .10
(.472 ± .004)
8.00 ± .10
(.315 ± .004)
1.75 ± .10
(.069 ± .004)
12.00
(.472)
TAPE
1.78 ± .25 EQUAL SPACED
3 PLCS.
(.070 ± .010)
13.0 ± .51 DIA.
(.512 ± .020)
21.01 ± .79
DIA.
(.827 ± .031)
12.00 ± .30
(.472 ± .012)
1.75 ± .10
(.069 ± .004)
W & X Style Reel
TAPE
16.00 ± .30
(.630 ± .012)
1.75
(.069)
16.0 ± 0.30
(.630 ± .012)
8.6
(.339)
TAPE
2.67 ± .25
(.105 ± .010)
How To Order
Model
Style
3224 J - 1 - 502 E
59.18 ± 2.03
(2.330 ± .080)
16.4 + 1.81/ -.000
(.646 ± .070/ -.000)
REEL
178 ± 2.0
DIA.
*
(7.00 ± .008)
330.2 ± 2.0
DIA.
**
(13.00 ± .008)
REEL
* Embossed Tape Designator "E"
**Embossed Tape Designator "G"
(See How To Order chart for further information.)
Cover tape peel strength: Meets EIA specification 481.
12.4 + 2.01/ -.000
(.488 + .079/ -.000)
* Embossed Tape Designator "E"
**Embossed Tape Designator "G"
(See How To Order chart for further information.)
Cover tape peel strength: Meets EIA specification 481.
Standard or Modified
Product Indicator
-1= IR Reflow (standard)
†-2= Wave Solderable
-FW5= .070 ” ± .010 ” Shaft Extension
Resistance Code
Embossed Tape Designator
E = Style J, G: 500 pcs./7 ” reel (standard)
Style W: 250 pcs./7 ” reel (standard)
Style X: 200 pcs./7 ” reel (standard)
G = Style J, G: 1500 pcs./13 ” reel (standard)
Style W: 1000 pcs./13 ” reel (standard)
Style X: 850 pcs./13 ” reel (standard)
Blank = Style J, G: 1500 pcs./13 ” reel (FW5)
Style W, X: 600 pcs./13 ” reel (FW5)
Consult factory for other available options.
† -2 has a treated stainless steel shaft.
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
Resistance
Code
100
200
500
101
201
501
102
202
Resistance
(Ohms)
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
2,000,000
Resistance
Code
502
103
203
503
104
204
504
105
205
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
REV. 08/19
“Trimpot” is a registered trademark of Bourns, Inc.
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.
Popular distribution values listed in boldface.
Special resistances available.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
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
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
®
standard
the user’s sole risk.
®
and the user for which such Bourns
®
®
custom products shall be negotiated on a case-by-case basis by Bourns
®
also apply to such Bourns custom products.
Users shall not sell, transfer, export or re-export any Bourns
®
Bourns
®
standard products shall
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
®
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
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