Features
■ 4mm design meets EIA/EIAJ/IPC/VECI SMD
standard trimmer footprint
■ Surface Mount 4 mm Square / Multiturn
Cermet / Industrial / Sealed
■ Low CRV - 1 %
■ Halogen free** with date code 114
■ RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
■ For trimmer applications/processing
guidelines, click here
■ Sealed to withstand board wash
processing
■ Pick and place centering design, with flush
adjustment
3224 - 4 mm SMD Trimpot® Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
3224J Side Adjust
3224G Side Adjust
..........................................10 to 2 megohm
(see standard resistance table)
1.5
(.060)
1.5
DIA.
DIA.
1
1
1.2
(.047)
(.060)
2
Resistance Tolerance .................... 10 ꢀ std.
Absolute Minimum Resistance
1.2
2
(.047)
4.8
(.190)
..........................................1 ꢀ or 2.0 ohms
(whichever is greater)
4.8
(.190)
Contact Resistance Variation
....................................1 ꢀ or 3 ohms max.
Resolution ..........................Essentially Infinite
Insulation Resistance ........................500 vdc.
100 megohms min.
2.4
(.095)
2.7
(.108)
2.6
(.102)
2.4
(.095)
3
2.3
(.090)
3
2.3
(.090)
6.0
(.236)
4.6
5.0
(.195)
4.6
Dielectric Strength
ADJUSTMENT SLOT
ADJUSTMENT SLOT
Sea Level.......................600 vac (1 minute)
Adjustment Angle..................... 12 turns nom.
0.6
0.6
WIDE
(.022)
WIDE
(.022)
(.180)
(.180)
0.5
(.020)
0.5
DEEP
X
DEEP
X
Environmental Characteristics
Power Rating (300 volts max.)
(.020)
3.9
(.152)
3.71
(.146)
85 °C.............................................0.25 watt
150 °C................................................0 watt
Temperature Range............-65 °C to +150 °C
Temperature Coefficient ............ 100 ppm/°C
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 ꢀ
0.8
(.032)
0.2
(.007)
0.13
(.005)
0.5
(.020)
TYP.
2.0
(.079)
1.3
(.050)
3 PLCS
1.0
(.039)
2 PLCS.
3 PLCS.
1.14
(.045)
4.0
5.2
(.157)
(.205)
2.0
(.079)
2.0
(.079)
1.3
(.050)
0.5
(.020)
2.3
(.090)
1.3
(.050)
0.5
(.020)
0.9
(.034)
2 PLCS.
0.2
1.3
2.3
0.9
(.034)
2 PLCS.
0.2
(.050) (.090)
2 PLCS.
1.3
(.050)
2 PLCS.
(.007)
(.007)
Physical Characteristics
3224W Top Adjust
3224X Top Adjust
Mechanical Stop ...........................Wiper idles
Torque..................................... 180 g-cm max.
Weight ........................Approximately 0.01 oz.
Marking......................... Manufacturer’s code,
resistance code and date code
0.8
(.032)
3.9
(.155)
2.5
(.100)
2 PLCS
1.3
(.050)
5.1
(.200)
5.1
(.200)
3.5
(.139)
3.5
(.139)
1
1
1.3
1.2
(.047)
(.050)
2
4.8
(.190)
4.8
(.190)
Solderability....................... Per MIL-STD-202,
Method 208
2.5
(.100)
2
Wiper ........................50 ꢀ (Actual TR) 10 ꢀ
Flammability .......................................UL94V0
Pushover Strength
J, G..................................................4.4 lbs.
W, X ......................................................1 lb.
Adjustment Tool...................................... H-91
1.5
(.060)
1.2
(.047)
DIA.
3
2.6
(.103)
1.0
(.040)
5.3
ADJUSTMENT SLOT
1.0
(.040)
3 PLCS.
3 PLCS.
0.6
WIDE
(.022)
ADJUSTMENT SLOT
3.9
(.155)
5.3
(.208)
(.208)
0.5
0.6
DEEP
X
WIDE
(.022)
How To Order
0.7
(.028)
(.020)
0.5
DEEP
X
3224 J - 1 - 502 E
(.020)
Model
5.7
(.225)
Style
Standard or Modified
0.2
(.007)
0.8
(.032)
Product Indicator
1.3
(.050)
1.3
(.050)
-1= IR Reflow (standard)
†-2= Wave Solderable
-FW5= .070 ” .010 ” Shaft Extension
-GJ4= MSL 2a Packaging (for -1 only)
2 PLCS.
2 PLCS.
0.2
(.007)
5.1
(.200)
2.0
(.079)
2.9
(.114)
2.0
(.079)
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)
1.6
(.061)
TYP.
1.9
(.075)
2.5
(.100)
TYP.
0.8
(.032)
0.8
(.032)
2 PLCS.
2 PLCS.
MM
(INCHES)
2.5
(.100)
DIMENSIONS:
*RoHS Directive 2002/95/EC Jan 27, 2003 including 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.
Specifications are subject to change without notice.
Consult factory for other available options.
† -2 has a treated stainless steel shaft
Customers should verify actual device performance in their specific applications.
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