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| 型号： | SM31A102 |
| 厂商： | Copal Electronics Inc |
| 文件页数： | 2/5页 |
| 文件大小： | 0K |
| 描述： | TRIMMER 1K OHM 0.125W SMD |
| 标准包装： | 200 |
| 系列： | SM31 |
| 电阻（欧姆）： | 1k |
| 功率（瓦特）： | 0.125W，1/8W |
| 容差： | ±20% |
| 温度系数： | ±100ppm/°C |
| 匝数： | 5 |
| 调节型： | 侧面调节 |
| 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： | 散装 |
| 尺寸/尺寸： | 方形 - 0.173" L x 0.154" W x 0.134" H（4.40mm x 3.90mm x 3.40mm） |
| 其它名称： | SM-31A102 |
COPAL ELECTRONICS
SM-3/31
SURFACE MOUNT TRIMMERS
■ LIST OF PART NUMBERS
〈 Nominal resistance values 〉
Electrical turns
Adjustment
position
Shape of terminal
Form of packaging
Taping (reel) Plastic bag
50 Ω
20 k Ω
100 Ω 200 Ω 500 Ω 1 k Ω 2 k Ω
50 k Ω 100 k Ω 200 k Ω 500 k Ω 1 M Ω
5 k Ω
2 M Ω
10 k Ω
Fig. 1
Top adjustment
W
(J-hook)
SM-3TW
SM-3W
※ The above part numbers are all available with the respective combination
11
Side adjustment
A
B
(J-hook)
(Gull wing)
SM-3TA
SM-3TB
SM-3A
SM-3B
of <Nominal resistance values> (Fig. 1).
※ Verify the above part numbers when placing orders.
※ Taping specification is not sold separately and must be purchased in reel units.
5
Top adjustment
W
A
(J-hook)
(J-hook)
SM-31TW
SM-31TA
SM-31W
SM-31A
Side adjustment
Pieces in package
B
(Gull wing)
SM-31TB
500 pcs./reel
SM-31B
50 pcs./pack
■ ELECTRICAL CHARACTERISTICS
■ MECHANICAL CHARACTERISTICS
Nominal resistance range
Resistance tolerance
Power ratings
Resistance law
Maximum input voltage
Maximum wiper current
Effective electrical turn
End resistance
50 Ω ~ 2 M Ω
± 20 %
0.125 W (70 °C) 0 W (150 °C)
Linear law
DC200 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
11 turns (SM-3) / 5 turns (SM-31)
1 % or 3 Ω , whichever is greater
Operating torque
Mechanical stop
Rotational life
Thrust to shaft
Solderability
Shear (Adhesion)
Substrate bending
Pull-off strength
5 mN·m {51 gf·cm} maximum
Clutch action
200 cycles [ Δ R/R ≦ ± (2 Ω + 3 %)]
5 N {0.51 kgf} minimum
245 ± 3 °C, 2 ~ 3 s
5 N {0.51 kgf} 10 s
Width 90 mm, bend 3 mm, 5 s, 1 time
5 N {0.51 kgf} 10 s
C.R.V.
Operating temp. range
Temp. coefficient
3 % or 3 Ω , whichever is greater
? 65 ~ 150 °C
± 100 10 -6 /°C maximum
{ } ： Reference only
■ ENVIRONMENTAL CHARACTERISTICS
Insulation resistance 100 M Ω minimum (DC500 V)
Dielectric strength AC600 V, 60 s
Net weight Approx. 0.10 g
Reflow profile for soldering heat evaluation 〉
Test item
Thermal shock
Humidity
Shock
Vibration
Test conditions
? 65 ~ 150 °C (0.5 h), 5 cycles
? 10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
981 m/s 2 , 6 ms
6 directions for 3 times each
Amplitude 1.52 mm or
Acceleration 196 m/s 2 ,
10 ~ 2000 Hz, 3 directions, 12 times each
Specifications
[ Δ R/R ≦ 2 %]
[S.S. ≦ 2 %]
[ Δ R/R ≦ 3 %]
[ Δ R/R ≦ 1 %]
[S.S. ≦ 1 %]
° C
Peak : 250
(°C)
250
200
150
100
50
180 ° C
150 ° C
+5
0
Over 230 ° C
Pre Heating Zone
90 ± 30 s
30 ± 10 s
Soldering Zone
Heating time
Load life
Low temp. operation
High temp. exposure
Immersion seal
Soldering heat
70 °C, 0.125 W, 1000 h
? 65 °C, 2 h
150 °C, 250 h
85 °C, 60 s
Reflow : Peak temperature 255 °C
(Please refer to the profile below.)
Manual soldering ： 350 ± 10 °C, 3 ~ 4 s
[ Δ R/R ≦ 3 %]
[S.S. ≦ 2 %]
[ Δ R/R ≦ 2 %]
[S.S. ≦ 2 %]
[ Δ R/R ≦ 3 %]
[S.S. ≦ 2 %]
No leaks (No continuous bubbles)
[ Δ R/R ≦ 1 %]
Reflow : two times maximum
Δ R/R ： Change in total resistance
S.S. ： Setting stability
■ 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| SM-31A102 | 制造商:Nidec Copal 功能描述:RES TRMR 1K OHM 20% 1/8W 5TURN 1.3MM J-HOOK SMD - Tape and Reel |
| SM31A103 | 功能描述:TRIMMER 10K OHM 0.125W SMD RoHS:是 类别:电位计，可变电阻器 >> 微調器 系列:SM31 标准包装:500 系列:Trimpot® TC86 - 开放框架 电阻（欧姆）:100k 功率（瓦特）:0.3W 容差:±20% 温度系数:±250ppm/°C 匝数:单路 调节型:顶部调节 电阻材料:金属陶瓷 安装类型:通孔 端接类型:PC 引脚 包装:散装 尺寸/尺寸:方形 - 0.303" L x 0.268" W x 0.299" H（7.70mm x 6.80mm x 7.60mm） 其它名称:TC86P-104 |
| SM-31A103 | 制造商:Nidec Copal 功能描述:RES TRMR 10K OHM 20% 1/8W 5TURN 1.3MM J-HOOK SMD - Tape and Reel |
| SM31A104 | 功能描述:TRIMMER 100K OHM 0.125W SMD RoHS:是 类别:电位计，可变电阻器 >> 微調器 系列:SM31 标准包装:500 系列:Trimpot® TC86 - 开放框架 电阻（欧姆）:100k 功率（瓦特）:0.3W 容差:±20% 温度系数:±250ppm/°C 匝数:单路 调节型:顶部调节 电阻材料:金属陶瓷 安装类型:通孔 端接类型:PC 引脚 包装:散装 尺寸/尺寸:方形 - 0.303" L x 0.268" W x 0.299" H（7.70mm x 6.80mm x 7.60mm） 其它名称:TC86P-104 |
| SM-31A104 | 制造商:Nidec Copal 功能描述:RES TRMR 100K OHM 20% 1/8W 5TURN 1.3MM J-HOOK SMD - Tape and Reel |
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