■ 4mm design meets EIA/EIAJ/IPC/VRCI
SMD standard trimmer footprint
Features
■ Surface Mount 4mm Square / Multiturn
Cermet / Industrial / Sealed
■ Low CRV - 1%
■ DESC selected material drawing #92021
■ Sealed to withstand board wash
processing
■ Pick and place centering design, with
flush adjustment
3224 - 4mm SMD Trimming Potentiometer
3224J Side Adjust
3224G Side Adjust
Electrical Characteristics
1.52
DIA.
1.52
DIA.
1
Standard Resistance Range
....................................10 to 2 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
1
(.060)
1.2
(.060)
2
1.2
2
(.047)
(.047)
4.8
(.189)
4.8
(.189)
.....................................1% or 2.0 ohms
(whichever is greater)
Contact Resistance Variation
2.4
(.094)
2.74
(.108)
2.6
(.102)
2.4
(.094)
3
2.3
(.090)
3
2.3
(.090)
...............................1% or 3 ohms max.
Resolution...................Essentially Infinite
Insulation Resistance ................500 vdc.
6.0
(.236)
4.57
5.0
(.197)
4.6
ADJUSTMENT SLOT
ADJUSTMENT SLOT
0.56
WIDE
(.022)
0.56
WIDE
(.022)
(.180)
(.181)
100 megohms min.
.51
.51
(.020)
DEEP
X
Dielectric Strength
DEEP
X
(.020)
3.7
(.146)
3.91
(.154)
Sea Level ..................600 vac (1minute)
Adjustment Angle .............11 turns nom.
0.8
(.031)
0.2
(.008)
0.2
(.008)
Environmental Characteristics
0.61
(.024)
1.27
TYP.
TYP.
2.0
(.079)
Power Rating (300 volts max.)
TYP.
(.050)
85°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range ......-65°C to +150°C
Temperature Coefficient .....±100ppm/°C
Humidity ........MIL-STD 202 Method 106
TRS ±2% ; IR 10 megohms
Vibration ..........20G TRS±1% ; VRS ±1%
Shock ............100G 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%
1.3
(.050)
5.2
(.205)
1.3
(.050)
4.0
(.157)
2 PLCS.
2.0
(.079)
2.0
(.079)
2.3
(.090)
0.9
(.034)
2 PLCS.
2.3
(.090)
1.3
(.050)
0.9
(.034)
1.27
(.050)
2 PLCS.
1.3
2 PLCS.
2 PLCS.
(.051)
3224W Top Adjust
3224X Top Adjust
.80
3.9
(.155)
2.54
2 PLCS
(.031)
(.100)
1.3
5.1
5.1
3.5
(.138)
3.5
(.138)
(.051)
(.201)
(.201)
1
1
Physical Characteristics
1.3
1.2
(.047)
(.051)
Mechanical Stop ...................Wiper idles
Torque ..............................180g-cm max.
Weight ................Approximately 0.01 oz.
Marking .................Manufacturer’s code,
resistance code and date code
Solderability ..............Per MIL-STD-202,
Method 208
Wiper ......................Set at 50% nominal
Flammability ..............................UL94V0
Adjustment Tool ..............................H-91
4.8
4.8
(.189)
2.54
(.100)
(.189)
2
2
1.52
(.060)
1.2
DIA.
3
(.047)
2.6
(.102)
1.0
(.039)
5.3
ADJUSTMENT SLOT
1.0
(.039)
3 PLCS.
3 PLCS.
0.56
WIDE
(.022)
ADJUSTMENT SLOT
3.9
(.155)
5.3
(.209)
(.209)
.51
(.020)
0.56
WIDE
(.022)
DEEP
X
0.9
(.035)
.51
(.020)
DEEP
X
How To Order
5.7
3224 J - 1 - 502 E
(.225)
Model
Style
0.2
(.008)
1.2
(.047)
1.32
(.052)
1.3
(.051)
2 PLCS.
2 PLCS.
0.2
(.008)
5.1
(.200)
Standard or Modified
Product Indicator
-1 = Standard Product - IR Reflow
* -2 = Wave Solderable
2.9
(.114)
2.0
(.079)
2.0
(.079)
-FW5 = .070” ± .010” Shaft Extension
1.6
TYP.
1.9
(.074)
Resistance Code
(.063)
2.54
(.100)
TYP.
0.80
(.031)
0.80
(.031)
2 PLCS.
2 PLCS.
Embossed Tape Designator
2.54
(.100)
Style J, G: 500 pcs./7” reel (standard)
Style W: 250 pcs./7” reel (standard)
Consult factory for other available options.
* -2 has a treated stainless steel shaft
Specifications are subject to change without notice.
14
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
