■ 4mm design meets EIA/EIAJ/IPC/VRCI
SMD standard trimmer footprint
Features
■ Surface Mount 4mm Square / Multiturn
Cermet / Industrial / Sealed
■ Top and side adjust styles
■ J-hook, and gull-wing
■ Sealed to withstand board wash
processing
■ Patent #5047746 advanced drive/wiper
mechanism
■ Pick and place centering design, with
flush adjustment
3214 - 5-Turn Trimming Potentiometer
Electrical Characteristics
3214G Side Adjust
3214J Side Adjust
Standard Resistance Range
1.52
(.060)
1.52
DIA.
DIA.
1
1
(.060)
1.17
(.046)
2
1.17
(.046)
....................................10 to 2 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
.....................................1% or 2.0 ohms
(whichever is greater)
2
4.8
(.189)
4.8
(.189)
2.41
(.095)
2.79
(.102)
2.79
(.110)
3
2.24
2.4
(.095)
3
2.24
(.088)
(.088)
Contact Resistance Variation
...............................3% or 3 ohms max.
Resolution...................Essentially Infinite
Insulation Resistance ................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level ..................600 vac (1minute)
Adjustment Angle ...............5 turns nom.
5.0
(.197)
5.82
(.229)
ADJUSTMENT SLOT
ADJUSTMENT SLOT
0.56
WIDE
(.022)
4.57
(.180)
0.56
WIDE
(.022)
4.57
(.180)
.51
(.020)
DEEP
X
.51
(.020)
DEEP
X
3.7
(.146)
3.91
(.154)
0.8
(.0031)
0.2
(.008)
0.2
.008
Environmental Characteristics
0.61
(.024)
TYP.
2
1.27
(.050)
Power Rating (300 volts max.)
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
TYP.
TYP.
5.2
(.078)
1.3
(.051)
4.0
(.157)
1.2
(.047)
3 PLCS.
(.205)
2.0
2.0
(.079)
(.079)
2.3
2.3
(.091)
1.3
(.051)
0.80
(.031)
2 PLCS.
(.091)
1.27
(.050)
0.80
(.031)
2 PLCS.
2 PLCS.
1.27
(.050)
SQ. 2 PLCS.
..........@ 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%
3214W Top Adjust
WIPER
2
3.9
(.154)
1.3
(.051)
5.1
(.201)
3.5
CW
CCW
3
1
1
(.138)
1.2
CLOCKWISE
(.047)
4.8
2.54
(.189)
(.100)
2
Physical Characteristics
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
1.52 DIA.
(.060)
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
Pushover Strength ..2 Kilograms (4.4lbs)
Adjustment Tool ..............................H-91
3
2.6
(.102)
METRIC
(INCHES)
DIMENSIONS ARE:
1.0
(.039)
3 PLCS.
ADJUSTMENT SLOT
5.3
(.209)
0.56
WIDE
(.022)
0.9
(.035)
How To Order
.51
(.020)
DEEP
X
3214 J - 1 - 502 E
Model
Style
1.2
(.047)
1.3
(.051)
2 PLCS.
0.2
.008
Standard or Modified
Product Indicator
-1 = Standard Product - IR Reflow
* -2 = Wave Solderable
2.9
(.114)
2.0
(.079)
Resistance Code
1.6
(.063)
3 PLCS.
Embossed Tape Designator
Style J, G: 500 pcs./7” reel (standard)
Style W: 250 pcs./7” reel (standard)
2.54
(.100)
0.8
(.031)
2 PLCS.
Consult factory for other available options.
* -2 has a treated stainless steel shaft
Specifications are subject to change without notice.
12
BOURNS [ BOURNS ELECTRONIC SOLUTIONS ]
