M
PL
IA
NT
Features
n
Surface Mount 4 mm Square / Multiturn
100
3214W
LE
AD
F
RE
E
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
4 mm design meets EIA/EIAJ/IPC/VECI
SMD standard trimmer footprint
n
RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
n
For trimmer applications/processing
guidelines, click here
*R
oH
S
CO
Standard Resistance Range
..........................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ............... ±10 % std.
Absolute Minimum Resistance
...... 1 % or 2.0 ohms
(whichever is greater
)
Contact Resistance Variation
............................... 3 % or 3 ohms max.
Resolution ..................... Essentially Infinite
Insulation Resistance ................... 500 vdc.
100 megohms min.
Dielectric Strength
Sea Level .................. 600 vac (1 minute)
Adjustment Angle ...................5 turns nom.
Electrical Characteristics
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
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 %
Environmental Characteristics
Moisture Sensitivity Level .....................1
ESD Classification ................................2
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
MM
DIMENSIONS:
(INCHES)
0.25
TOLERANCES: ±
EXCEPT WHERE NOTED
(.010)
CCW
1
CLOCKWISE
811C
2
3214 - 5-Turn Trimpot
®
Trimming Potentiometer
3214J Side Adjust
Product Dimensions
1.2
(.047)
3214G Side Adjust
1
4.8
(.190)
1.5 DIA.
(.060)
1.2
(.047)
1.5
DIA.
(.060)
2
2
1
4.8
(.190)
2.6
(.102)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5 DEEP
X
(.020)
2.4
(.095)
3
5.0
(.195)
4.6
(.180)
2.3
(.090)
2.7
(.108)
2.4
(.095)
6.0
(.236)
4.6
(.180)
3
2.3
(.090)
3.71
(.146)
0.2
(.007)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
DEEP
X
(.020)
0.8
(.032)
3.9
(.152)
0.13
(.005)
2.0
3 PLCS
(.079)
4.0
(.157)
1.14
(.045)
1.0
(.039)
2 PLCS.
1.3
3 PLCS.
(.050)
5.2
(.205)
0.5
TYP.
(.02)
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)
3214W Top Adjust
3.9
(.155)
3.5
(.139)
1.2
(.047)
5.1
(.200)
1.3
(.050)
3214X Top Adjust
0.8
2 PLCS
(.032)
3.5
(.139)
5.1
(.200)
2.5
(.100)
1
2.5
(.100)
1
2
2.6
(.102)
1.5
DIA.
(.060)
1.0
3 PLCS.
(.040)
5.3
(.208)
0.7
(.028)
4.8
(.190)
1.3
(.050)
2
3
ADJUSTMENT SLOT
0.6
WIDE
(.022)
.0.5 DEEP
X
(.020)
4.8
(.190)
3
1.2
(.047)
1.0
3 PLCS.
(.040)
3.9
(.155)
5.3
(.208)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
DEEP
X
(.020)
5.7
(.225)
0.8
(.032)
0.2
.008
1.3
2 PLCS.
(.050)
2.0
(.079)
1.3
2 PLCS.
(.050)
2.9
(.114)
5.1
(.200)
2.0
(.079)
0.2
(.008)
WIPER
1.6
3 PLCS.
(.061)
1.9
TYP.
(.075)
2.5
(.100)
0.8
2 PLCS.
(.032)
2.5
(.100)
MM
DIMENSIONS:
(INCHES)
0.8
2 PLCS.
(.032)
3
CW
*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 “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.
†“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.
3214 - 5-Turn Trimpot
®
Trimming Potentiometer
Packaging Specifications
.04
MAX.
(.002)
J & G Styles
4.5
MAX.
(.177)
W Style
6.09
MAX.
(.240)
X Style
.05
MAX.
(.002)
MAX.
6.35
(.250)
.35
MAX
(.014)
7.50
(.295)
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)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00 ± .20
(.157 ± .008)
7.50 ± .05
(.295 ± .002)
1.5 + .10/ –.00
DIA.
(.059 + .004/ –.000)
4.00
(.157)
2.00 ± .05
(.079 ± .002)
5.10 ± .10
(.201 ± .004)
4.90 ± .10
(.193 ± .004)
6.70
(.264)
8.00 ± .10
(.315 ± .004)
1.75 ± .10
(.069 ± .004)
2.00 ± .05
(.079 ± .002)
4.05 ± .12
(.159 ± .005)
2.00
(.079)
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)
12.00 ± .10
(.472 ± .004)
1.75 ± .10
(.069 ± .004)
1.75
(.069)
16.0 ± 0.30
(.630 ± .012)
8.6
(.339)
TAPE
2.67 ± .25
(.105 ± .010)
TAPE
16.00 ± .30
(.630 ± .012)
W & X Style Reel
How To Order
Model
Style
3214 J - 1 - 502 E
59.18 ± 2.03
(2.330 ± .080)
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)
G = 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
Tape and reel material meets Antistatic ANSI/
ESD 5541-2003 packaging standards.
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)
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.
* 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 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
REV. 09/17
“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.
Popular distribution values listed in boldface.
Special resistances available.
单片机
