PL
IA
N
Features
■
Surface Mount 4 mm Square / Multiturn
■
4mm design meets EIA/EIAJ/IPC/VECI SMD
CO
M
T
Cermet / Industrial / Sealed
■
Halogen free** with date code 114
■
Sealed to withstand board wash
processing
■
Pick and place centering design, with flush
adjustment
standard trimmer footprint
■
Low CRV - 1 %
■
RoHS compliant* - see
processing
information
on RoHS compliant surface
mount trimmers
■
For trimmer applications/processing
guidelines,
click here
*R
oH
S
3224 - 4 mm SMD Trimpot
®
Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
.......................................... 10 to 2 megohm
(see standard resistance table)
Resistance Tolerance ....................±10 % std.
Absolute Minimum 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.
Product Dimensions
3224J Side Adjust
1.5
DIA.
(.060)
1.2
(.047)
3224G Side Adjust
2
203
J
438M
1
4.8
(.190)
1.5
DIA.
(.060)
203
G
1.2
(.047)
2
438M
1
4.8
(.190)
3224
2.6
(.102)
2.4
(.095)
Environmental Characteristics
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 %
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5 DEEP
X
(.020)
5.0
(.195)
4.6
(.180)
3
2.3
(.090)
2.7
(.108)
2.4
(.095)
3224
3
6.0
(.236)
4.6
(.180)
2.3
(.090)
3.71
(.146)
0.2
(.007)
0.8
(.032)
1.0
(.039)
2 PLCS.
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5 DEEP
X
(.020)
0.13
(.005)
3.9
(.152)
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)
3224W Top Adjust
3.9
(.155)
3.5
(.139)
5.1
(.200)
203
W
438M
3224X Top Adjust
1.3
(.050)
0.8
2 PLCS
(.032)
1
2.5
(.100)
1
3.5
(.139)
5.1
(.200)
203
X
438M
2.5
(.100)
Physical Characteristics
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
1.2
(.047)
3224
2
2.6
(.103)
1.5
DIA.
(.060)
3
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5 DEEP
X
(.020)
1.0
3 PLCS.
(.040)
5.3
(.208)
0.7
(.028)
1.2
(.047)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
DEEP
X
(.020)
1.0
3 PLCS.
(.040)
5.3
(.208)
3.9
(.155)
3224
4.8
(.190)
1.3
(.050)
2
4.8
(.190)
5.7
(.225)
0.8
(.032)
0.2
(.007)
0.2
(.007)
How To Order
1.3
2 PLCS.
(.050)
1.3
2 PLCS.
(.050)
5.1
(.200)
2.0
(.079)
3224 J - 1 - 502 E
Model
Style
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
2.0
(.079)
2.9
(.114)
1.6
TYP.
(.061)
2.5
(.100)
0.8
2 PLCS.
(.032)
2.5
(.100)
1.9
TYP.
(.075)
0.8
2 PLCS.
(.032)
DIMENSIONS:
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns follows the prevailing definition of “halogen free” in the industry. Bourns considers a product to be “halo-
gen 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.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications
and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
Additional Features
■
Top and side adjust styles
■
J-hook, and gull-wing
3224 - 4 mm SMD Trimpot
®
Trimming Potentiometer
Packaging Specifications
J & G Styles
.04
MAX.
(.002)
4.5
MAX.
(.177)
W Style
6.09
MAX.
(.240)
X Style
6.35
(.250)
MAX.
.35
MAX
(.014)
.05
MAX.
(.002)
5.52
±
.05
(.217
±
.002)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00
±
.20
(.157
±
.008)
5.55
±
.10
(J)
(.219
±
.004)
6.25
±
.10
(G)
(.246
±
.004)
7.50
±
.05
(.295
±
.002)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00
±
.20
(.157
±
.008)
7.50
(.295)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00
(.157)
6.70
(.264)
4.90
±
.10
(.193
±
.004)
2.00
±
.05
(.079
±
.002)
5.10
±
.10
(.201
±
.004)
2.00
±
.05
(.079
±
.002)
8.00
±
.10
(.315
±
.004)
4.05
±
.12
(.159
±
.005)
2.00
(.079)
12.00
(.472)
1.75
±
.10
(.069
±
.004)
12.00
±
.30
(.472
±
.012)
1.75
±
.10
(.069
±
.004)
12.00
±
.10
(.472
±
.004)
1.75
(.069)
16.00
±
.30
(.630
±
.012)
TAPE
TAPE
1.78
±
.25
EQUAL SPACED
3 PLCS.
(.070
±
.010)
13.0
±
.51
DIA.
(.512
±
.020)
21.01
±
.79
DIA.
(.827
±
.031)
16.0
±
0.30
(.630
±
.012)
8.6
(.339)
TAPE
W & X Style Reel
Standard Resistance Table
2.67
±
.25
(.105
±
.010)
59.18
±
2.03
(2.330
±
.080)
178
±
2.0
DIA.
*
(7.00
±
.008)
330.2
±
2.0
DIA.
**
(13.00
±
.008)
REEL
12.4 + 2.01/ -.000
(.488 + .079/ -.000)
16.4 + 1.81/ -.000
(.646
±
.070/ -.000)
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
2,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
205
* Embossed Tape Designator "E"
**Embossed Tape Designator "G"
(See How To Order chart for further information.)
Cover tape peel strength: Meets EIA specification 481.
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.
Popular distribution values listed in boldface.
Special resistances available.
2
CCW
WIPER
DIMENSIONS:
1
CLOCKWISE
3
MM
(INCHES)
EXCEPT WHERE NOTED
CW
TOLERANCES: ±
0.25
(.010)
REV. 08/14
“Trimpot” is a registered trademark of Bourns, Inc.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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