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参数资料
型号： 3214W-1-203G
厂商： Bourns Inc.
文件页数： 1/2页
文件大小： 0K
描述： TRIMMER 20K OHM 0.25W SMD
产品变化通告： Material Change March 2011
标准包装： 1,000
系列： Trimpot® 3214 - 密封式
电阻（欧姆）： 20k
功率（瓦特）： 0.25W，1/4W
容差： ±10%
温度系数： ±100ppm/°C
匝数： 5
调节型： 顶部调节
电阻材料： 金属陶瓷
安装类型： 表面贴装
端接类型： J 引线
包装： 带卷 (TR)
尺寸/尺寸： 方形 - 0.190" L x 0.139" W x 0.200" H（4.80mm x 3.50mm x 5.10mm）
Features
■ Surface Mount 4 mm Square / Multiturn
Cermet / Industrial / Sealed
■ Halogen free** with date code 114
■ Sealed to withstand board wash
processing
■ Pick and place centering design, with ?ush
adjustment
■ 4 mm design meets EIA/EIAJ/IPC/VECI
SMD standard trimmer footprint
■ RoHS compliant* - see processing
information on RoHS compliant surface
mount trimmers
■ For trimmer applications/processing
guidelines, click here
3214 - 5-Turn Trimpot ? Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
3214J Side Adjust
3214G Side Adjust
..........................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance ............... ±10 % std.
Absolute Minimum Resistance
..................................... 1 % or 2.0 ohms
(whichever is greater)
1.5
(.060)
DIA.
1.2
(.047)
2
1
4.8
(.190)
1.5
(.060)
DIA.
1.2
(.047)
2
1
4.8
(.190)
DEEP
2.7
(.108)
DEEP
Contact Resistance Variation
............................... 3 % or 3 ohms max.
Resolution ..................... Essentially In?nite
Insulation Resistance ................... 500 vdc.
100 megohms min.
Dielectric Strength
Sea Level .................. 600 vac (1 minute)
Adjustment Angle ...................5 turns nom.
Environmental Characteristics
Power Rating (300 volts max.)
2.6
(.102)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
X
(.020)
2.4
(.095)
0.2
5.0
(.195)
4.6
(.180)
3
2.3
(.090)
3.71
(.146)
0.8
2.4
(.095)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
X
(.020)
6.0
(.236)
4.6
(.180)
3
2.3
(.090)
3.9
(.152)
85 °C ........................................ 0.25 watt
150 °C ........................................... 0 watt
Temperature Range ....... -65 °C to +150 °C
Temperature Coe? cient ....... ±100 ppm/°C
Humidity ........... MIL-STD 202 Method 106
2.0
(.079)
3 PLCS
4.0
(.157)
(.007)
1.14
(.045)
(.032)
1.0
(.039)
2 PLCS.
1.3
(.050)
3 PLCS.
5.2
(.205)
0.13
(.005)
0.5
(.02)
TYP.
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 %
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
(.050)
2 PLCS.
2.3
(.090)
1.3
(.050)
0.5
(.020)
0.9
(.034)
2 PLCS.
0.2
(.007)
3.5
2.5
2
2 PLCS
3.5
(whichever is greater)
Thermal Shock ..............................5 cycles
TRS ±2 %; VRS ±1 %
Physical Characteristics
Mechanical Stop ...................... Wiper idles
Torque.................................180 g-cm max.
Weight ................... Approximately 0.01 oz.
3214W Top Adjust
3.9
(.155)
1 (.139)
(.100)
1.2
(.047)
5.1
(.200)
1.3
(.050)
4.8
(.190)
3214X Top Adjust
0.8
(.032)
1 (.139)
1.3
(.050)
2
5.1
(.200)
2.5
(.100)
4.8
(.190)
DEEP
DEEP
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
3 2.6
(.102)
ADJUSTMENT SLOT
0.6
WIDE
(.022)
0.5
X
(.020)
1.5
(.060)
DIA.
1.0
(.040)
5.3
(.208)
0.7
(.028)
3 PLCS.
ADJUSTMENT SLOT
0.6
WIDE
(.022)
.0.5
X
(.020)
1.2
(.047)
3.9
(.155)
1.0
3 PLCS.
(.040)
5.3
(.208)
5.7
(.225)
How To Order
2 PLCS.
3214 J - 1 - 502 E
Model
Style
Standard or Modi?ed
Product Indicator
-1 = IR Re?ow (standard)
2.0
(.079)
1.3
(.050)
2.9
(.114)
0.8
(.032)
0.2
.008
1.3
(.050)
2 PLCS.
5.1
(.200)
2.0
(.079)
0.2
(.008)
?-2 = Wave Solderable
TYP.
-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)
1.6
(.061)
3 PLCS.
2.5
(.100)
0.8
(.032)
2 PLCS.
2.5
(.100)
1.9
(.075)
DIMENSIONS:
MM
(INCHES)
0.8
(.032)
2 PLCS.
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
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns follows the prevailing de?nition 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.
Speci?cations 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 speci?c applications.
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3214W-1-204E 功能描述:微调电阻器 - 表面贴装 4mm SQ 200K OHM RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3214W-1-204G 功能描述:微调电阻器 - 表面贴装 TRIMMER-SMD 4MM SQ MT CERMET RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3214W-1-205E 功能描述:微调电阻器 - 表面贴装 4mm SQ 2M Sealed RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3214W-1-223E 功能描述:微调电阻器 - 表面贴装 4mm SQ 22K RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
3214W-1-253E 功能描述:微调电阻器 - 表面贴装 4mm SQ 25Kohms 10% 5Turn RoHS:否 制造商:Murata 产品:Single-Turn Trimmer Potentiometers 产品类型:Single Turn 转数:1 元件类型:Cermet 锥度:Linear 电阻:10 kOhms 电压额定值: 端接类型:SMD/SMT 功率额定值:250 mW (1/4 W) 容差:20 % 温度系数:150 PPM / C
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