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参数资料
| 型号： | 81A1A-B24-A18L |
| 厂商： | Bourns Inc. |
| 文件页数： | 4/6页 |
| 文件大小： | 0K |
| 描述： | POT 50K OHM 5/8" SQ 2W CERMET |
| 标准包装： | 5 |
| 系列： | 81 |
| 电阻（欧姆）： | 50k |
| 功率（瓦特）： | 2W |
| 容差： | ±10% |
| 温度系数： | ±150ppm/°C |
| 匝数： | 单路 |
| 旋转： | 300° |
| 调节型： | 侧面调节 |
| 电阻材料： | 金属陶瓷 |
| 端接类型： | PCB 引脚 |
| 触动器长度： | 0.750"（19.05mm） |
| 触动器类型： | 开槽轴 |
| 触动器直径： | 0.250"（6.35mm） |
| 尺寸 - 主体： | 方形 - 0.625" L x 0.625" W x 0.625" H（15.88mm x 15.88mm x 15.88mm） |
| 安装类型： | 通孔 |
| 包装： | 散装 |
81/82 - 5/8 ” Square Single-Turn Panel Control
Product Dimensions
Dual Unit - PC Pins & J-Hook
26.04 ± .79
(1.025 ± .031)
Triple Unit - PC Pins & J-Hook
36.20 ± 1.19
(1.425 ± .047)
Quad Unit - PC Pins & J-Hook
46.36 ± 1.19
(1.825 ± .047)
Model 81/82
10.16 ± .38
(.400 ± .015)
Model 81
10.16 ± .38
(.400 ± .015)
TYP.
10.16 ± .38
(.400 ± .015)
TYP.
Shaft Flat Orientation*
Single Unit - PC Pins & J-Hook
Suggested PC Board Layout - PC Pins
5.08 ± .13
(.200 ± .005)
15.88 ± .41
(.625 ± .016)
15.88 ± .38
(.625 ± .015)
11.94
(.470)
9.58 ± .38
(.377 ± .015)
15.88 ± .38
(.625 ± .015)
(Single-Shaft Style Bottom View)
1.14
DIA.
(.045)
1
3
2
1 2 3
120 ° ± 5 ° CCW END
FLATTED SHAFT
12.7
(.50)
5.33 ± .76
(.210 ± .03)
10.16 ± .13
(.400 ± .005)
5.08 ± .13
(.200 ± .005)
30 ° ± 5 °
5.97 ± .38
(.235 ± .015)
5.08 ± .38
3.81
MAX. 3 PLCS.
(.150)
.81
DIA.
(.032)
(.200 ± .015) 5.08 ± .38
(.200 ± .015)
Terminal outlines shown as solid lines represent PC Pins, available
on Model 81. Dashed line terminal outline represents "J" Hook,
available on Model 82.
Note: For units with dual concentric shaft styles, a
2.54 (.100) spacer is added between the module(s) driven
by the outer shaft and those driven by the inner shaft.
For G, K, or V shafts, add the spacer between
modules 1 and 2. For L or M shafts, add the spacer
between modules 2 and 3. For N or P shafts, add the
spacer between modules 3 and 4.
MM
DIMENSIONS:
(INCHES)
SLOTTED SHAFT
*EXCLUDES MODELS 83 AND 84
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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