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参数资料
| 型号： | 81A1A-B28-B25L |
| 厂商： | Bourns Inc. |
| 文件页数： | 3/6页 |
| 文件大小： | 0K |
| 描述： | POT 1M OHM 5/8" SQ 1/2W PLAS |
| 标准包装： | 5 |
| 系列： | 81 |
| 电阻（欧姆）： | 1M |
| 功率（瓦特）： | 0.5W，1/2W |
| 容差： | ±20% |
| 温度系数： | ±1000ppm/°C |
| 匝数： | 单路 |
| 旋转： | 300° |
| 调节型： | 侧面调节 |
| 电阻材料： | 导电塑料 |
| 端接类型： | PCB 引脚 |
| 触动器长度： | 0.875"（22.22mm） |
| 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
"A" Bushing
3/8 " (9.53 mm) Dia. Plain - Single Shaft
"B" Bushing
3/8 " (9.53 mm) Dia. Plain - Single Shaft
"C" Bushing
1/4 " (6.35 mm) Dia. Plain - Single Shaft
9.50 ± .38
3/8-32 UNEF
(.375 ± .015)
6.35 ± .03
(1/4 ± 1/32)
7.92
.25
(.312)
(.375 ± .005)
(11/16)
SHAFT SLOT
WIDE X
6.32 ± .03
(.249 ± .001)
45 ° ± 5 ° X
6.35 ± .13 (3/8, 1/2, 5/8, 3/4, 7/8, ± 1/32)
STANDARD
3.162 ± .025
(.1245 ± .001)
SHAFT SLOT
WIDE X
.79 ± .25
(.031 ± .010)
45 ° ± 5 ° X
6.35 ± .05
CHAMFER (.010)
(9/16)
12.7,15.88,19.05,22.23±.79
(1/2, 5/8, 7/8, ± 1/32)
STANDARD
DIA.
SHAFT SLOT 1.19 WIDE X
(.047)
1.60+.38/-.00 DEEP
(.063+.015/-.000)
MIN.
9.53 ± .13 45 ° ± 5 ° X (.010)
CHAMFER
PILOT DIA.
5.49 OPTIONAL FLAT 16.00 LONG OR 1.52 FROM
(.216) (.63) (.06)
17.46
"A" BUSHING END FOR SHAFTS UNDER
12.70 ± .13
(.500 ± .005)
3/8-32 UNEF
11.13
(.438)
MIN.
9.53 ± .13
(.375 ± .005)
PILOT DIA.
15.88 ± .79
(5/8 ± 1/32)
STANDARD
1.19
(.047)
1.60 + .38/- .00 DEEP
(.063 +.015/-.000)
DIA.
.25
CHAMFER (.010)
9.53,12.7,15.88,19.05,22.23 ± .79
1/4-32 UNEF
(.250 ± .005)
DIA.
.79
(.031)
DEEP
4.45
(.175) .25
MIN.
(.250 ± .002)
PILOT DIA.
2.39 ± .13 OPTIONAL FLAT 6.35 LONG OR 1.52 FROM
(.094 ± . 005) (.250) 14.30 (.06)
"C" BUSHING END FOR SHAFTS UNDER
"E" Bushing
1/4 " (6.35 mm) Dia. Locking - Single Shaft
"A" Bushing
3/8 " (9.53 mm) Dia. Plain - Concentric Shaft
"C" Bushing
1/4 " (6.35 mm) Dia. Plain - Concentric Shaft
6.32 ± .03
(.249 ± .001)
3.162 ± .025
(.1245 ± .001)
12.7 ± .13
(.500 ± .005)
15.88 ± .79
(5/8 ± 1/32)
STANDARD
3.18 ± .03
(.125 ± .001)
DIA.
19.05 ± .79
(3/4 ± 1/32)
STANDARD
28.58 ± .79
(1-1/8 ± 1/32)
STANDARD
9.53
(.375)
DIA.
DIA.
15.88 ± .79
(5/8 ± 1/32)
STANDARD
25.40 ± .79
(1 ± 1/32)
STANDARD
6.35
(.25)
1.98 ± .03
(.078 ± .001)
DIA.
45 ° ± 5 ° X (.010)
3/8-32 UNEF TRIPLE CONCENTRIC (.078 ± .001)DIA.
OUTER SHAFT
DIA. OPERATES SECTION #1 INNER SHAFT
3.18
(.125)
3.162 ± .025
1/4-32 UNEF
(.1245 ± .001)
.078
1/4-32 UNEF
10.80
(.425)
MIN.
6.35 ± .05
(.250 ± .002)
PILOT DIA.
SHAFT SLOT .78 WIDE X
.78 ± .03 (.031)
(.031 ± .001) DEEP
.25
CHAMFER
1.98 ± .03
(SPECIAL ORDER)
7.47
(.249)
DIA. OPERATES SECTION #2, #3, & #4 ("G" STYLE)
DIA.
OUTER SHAFT 3.18 DIA. OPERATES SECTION #1 INNER SHAFT
(.125)
(1.95) DIA. OPERATES SECTION #2, #3, & #4 ("K" STYLE)
"S" Bushing
10 mm Dia. Locking - Single Shaft
22.00 ± 0.79
12.50 ± 0.38
(.492 ± .015)
(.866 ± .031)
STANDARD
(.040 ± .004)
(.071 ± .010)
MIN.
45 ° ± 5 ° X
M10 x 0.75-6g
10.92
(.430)
1.01 ± 0.10
SHAFT SLOT
1.80 ± 0.25
WIDE X DEEP
6.000 +0.000/-0.075
DIA.
(.236 +.000/-.003)
.25
CHAMFER (.010)
9.90
PILOT DIA.
(.390)
DIMENSIONS:
MM
(INCHES)
1
CCW
2
POTENTIOMETER
3
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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相关代理商/技术参数 |
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| 81A1A-B28-C18 | 功能描述:电位计 5/8" 50K 10% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 % |
| 81A1A-B28-D10 | 功能描述:电位计 5/8" 1K 20% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 % |
| 81A1A-B28-D13 | 功能描述:电位计 5/8" 5K 20% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 % |
| 81A1A-B28-D15 | 功能描述:电位计 5/8" 10K 20% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 % |
| 81A1A-B28-D18 | 功能描述:电位计 5/8" 50K 20% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 % |
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