参数资料
型号: ST7ETB503
厂商: Copal Electronics Inc
文件页数: 3/4页
文件大小: 0K
描述: TRIMMER 50K OHM 0.25W SMD
产品目录绘图: ST7ET(A,B) Series Circuit
ST7ETB Series Side
ST7ETB Series Bottom
ST7ETB Series Top
ST7ETB Series Footprint
标准包装: 1
系列: ST7
电阻(欧姆): 50k
功率(瓦特): 0.25W,1/4W
容差: ±20%
温度系数: ±100ppm/°C
匝数: 3
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: 鸥翼型
包装: 标准包装
尺寸/尺寸: 方形 - 0.252" L x 0.240" W x 0.134" H(6.40mm x 6.10mm x 3.40mm)
其它名称: ST7ETB503DKR
COPAL ELECTRONICS
ST-7
SURFACE MOUNT TRIMMERS
■ MAXIMUM INPUT RATINGS
■ RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS
Resistance code Maximum (V)
Nominal resistance
values ( Ω )
voltage
input
Maximum wiper
current (mA)
● ST-7EA
2
● ST-7EB
2
(Unit: mm)
50
100
200
500
1k
500
101
201
501
102
3.53
5.00
7.07
11.2
15.8
70.7
50.0
35.4
22.4
15.8
2k
5k
10 k
20 k
50 k
100 k
202
502
103
203
503
104
22.4
35.4
50.0
70.7
112
158
11.2
7.07
5.00
3.54
2.24
1.58
0
0
200 k
500 k
1M
204
504
105
200
200
200
1.00
0.40
0.20
1.6
1.6
1.6
1.6
2.35
2.35
Note) The zero point is the center of mounting.
■ OUTLINE DIMENSIONS
● ST-7EA
Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
Top adjustment
1
3
Lead-free Identification mark
2
6.4
1.5
0.5 W × 1.8 L × 0.5 D
3.4
1 . 2
2
CW rotation
1
3
t = 0.15
0.02 min.
2 – 0.8
● ST-7EB
Top adjustment
Resistance code & Production date code
2.3
2
6.4
1.5
0.5 W × 1.8 L × 0.5 D
3.4
1 . 2
Lead-free Identification mark
1
3
t = 0.15
0.02 min.
2.3
2 – 0.8
Resistance code & Production date code
※ The ST-7 series has a different terminal arrange-ment from the ST-32 and ST-4 series.
Pay attention to the location of terminals number 1 and 3. (Resistance decreases when
the shaft is turned CCW.)
■ Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
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