refer to the LIST OF PART NUMBERS when placing orders.
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-42/43
■
LIST OF PART NUMBERS
Electrical turn
Adjustment
Shape of terminal
position
Form of packaging
Taping (reel)
Plastic bag
〈
Nominal resistance values
〉
A
10
Ω
A
20
Ω
50
Ω
100
Ω
200
Ω
500
Ω
1 kΩ
2 kΩ
2 MΩ
5 kΩ
10 kΩ
20 kΩ
50 kΩ 100 kΩ 200 kΩ 500 kΩ 1 MΩ
Fig. 1
W
(J-hook)
Top adjustment
SM-42TW
SM-42TX
SM-42TA
SM-42TB
SM-43TW
SM-43TX
SM-43TA
SM-43TB
TA, TB : 500 pcs./reel
TW, TX : 250 pcs./reel
SM-42W
SM-42X
SM-42A
SM-42B
SM-43W
SM-43X
SM-43A
SM-43B
X
(Gull wing)
11
A
(J-hook)
Side adjustment
The products indicated by
A
mark are manufactured upon receipt of order basis.
※The
above part numbers are all available with the respective combination 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.
B
(Gull wing)
W
(J-hook)
Top adjustment
X
(Gull wing)
5
A
(J-hook)
Side adjustment
■
MECHANICAL CHARACTERISTICS
Operating torque
17.6 mN·m {180 gf·cm} maximum
Clutch action
200 cycles [
Δ
R/R
≦
±
(3
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
{ }
：
Reference only
Mechanical stop
Rotational life
B
(Gull wing)
Pieces in package
50 pcs./pack
■
ELECTRICAL CHARACTERISTICS
Nominal resistance range
Resistance tolerance
Power ratings
Resistance law
Maximum input voltage
Maximum wiper current
Effective electrical turn
End resistance
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
10
Ω
~ 2 MΩ
±
10 %
0.25 W (85 °C) 0 W (150 °C)
Linear law
DC300 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
11 turns (SM-42), 5 turns (SM-43)
1 % or 2
Ω,
whichever is greater
1 % or 3
Ω,
whichever is greater
−65
~ 150 °C
±
100 10
-6
/°C maximum
100 MΩ minimum (DC500 V)
AC600 V, 60 s
Approx. 0.17 g
Thrust to shaft
Solderability
Shear (Adhesion)
Substrate bending
Pull-off strength
■
ENVIRONMENTAL CHARACTERISTICS
Test item
Thermal shock
Humidity
Shock
Vibration
Load life
Low temp. operation
High temp. exposure
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.
≦
1 %]
[
Δ
R/R
≦
2 %]
[
Δ
R/R
≦
1 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
3 % or 3
Ω]
[S.S.
≦
2 %]
[
Δ
R/R
≦
1 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
2 %]
[S.S.
≦
1 %]
No leaks (No continuous bubbles)
85 °C, 0.25 W, 1000 h
−65
°C, 2 h
150 °C, 250 h
85 °C, 60 s
Reflow profile for soldering heat evaluation
〉
(°C)
250
Temperature
200
150
100
50
180
°C
150
°C
Peak : 250
+5
0
Immersion seal
°C
Over 230
°C
Pre Heating Zone
Soldering heat
90
±
30 s
30
±
10 s
Heating time
Soldering Zone
Reflow : Peak temperature 255 °C
(Please refer to the profile below.)
Manual soldering：
350
±
10 °C, 3 ~ 4 s
[
Δ
R/R
≦
1 %]
Δ
R/R：Change in total resistance
S.S.
：Setting
stability
Reflow : two times maximum
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-42/43
■
MAXIMUM INPUT RATINGS
Nominal resistance
input
Resistance code Maximum (V)
values (Ω)
voltage
A
A
10
20
50
100
200
500
1k
2k
5k
10 k
20 k
50 k
100 k
200 k
500 k
1M
2M
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
205
1.00
2.00
3.53
5.00
7.07
11.2
15.8
22.4
35.4
50.0
70.7
112
158
223
300
300
300
Maximum wiper
current (mA)
100
100
70.7
50.0
35.4
22.4
15.8
11.2
7.07
5.00
3.54
2.24
1.58
1.12
0.60
0.30
0.15
The products indicated by
A
mark are manufactured upon receipt of order basis.
■
RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS
●
SM-42/43A
2
2
(Unit: mm)
●
SM-42/43B
1.3
2
●
SM-42/43W
●
SM-42/43X
2
1.9
1.6
2.9
0
1.6
2.54
2
5.2
0
0
0
2
1.3
2.3
2.3
1.3
2.54
Note) The zero point is the center of mounting.
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
1.9
1.3
1.3
1.3
5.1
4
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-42/43
■
OUTLINE DIMENSIONS
●
SM-42/43W
3.9
3.5
1
Resistance code & Production date code
2
1.3
Unless otherwise specified, tolerance :
±
0.3 (Unit : mm)
1
2
3
CW rotation
※
Note the terminal position.
2.54
1.2
4.8
2 – 0.8
3
2.6
φ
1.5, Slot
0.56W
×
0.5D
5.1
5.3
3 – 0.9
3–1
●
SM-42/43X
5.7
3.5
Resistance code & Production date code
2
1.3
1
2.54
2 – 0.8
3
φ
1.5, Slot
0.56W
×
0.5D
1.2
5.1
5.3
3–1
●
SM-42/43A
Resistan ce code & Produ ction d ate code
①
3–1
2.3
2 – 0.9
1.2
1.3
0.56W
×
0.5D
2.6
3.7
3 – 0.8
②
φ
1.5, Slot
③
4.6
5
●
SM-42/43B
Resistance code & Production date code
2
1
3.9
4.8
4.8
2.3
1.3
4.8
2 – 0.9
φ
1.5, Slot
2.8
0.56W
×
0.5D
4.6
6
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
1.2
3
3 – 0.6
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-42/43
■
PACKAGING SPECIFICATIONS
<Taping packaging specifications>
●
Taping version (SM-42/43TA, TB) is packaged in 500 pcs. per reel.
Orders will be accepted for units of 500 pcs., i.e., 500, 1000, 1500 pcs., etc.
SM-42/43TW, TX is packaged in 250 pcs. per reel.
Orders will be accepted for units of 250 pcs., i.e., 500, 750 pcs., etc.
Maximum number of consecutive missing pieces = 2
Leader length and reel dimension are shown in the dia-grams below.
●
EMBOSSED TAPE DIMENSIONS
●
REEL DIMENSIONS
（Conforms
to JIS C 0806-3）
（TA/TB
type : In accordance with EIAJ ET-7200A）
Empty
Filled
Empty
+1
(Unit: mm)
13
0
(TA/TB)
17±0.3 (TW, TX)
21±0.8
2±0.5
End
40 mm min.
20 pitches min.
Leader
Head
400 mm min.
13±0.2
180
–1.5
(TA/TB)
0
180
–3
(TW, TX)
0
15.4±1 (TA/TB)
19.5±1 (TW/TX)
●
SM-42/43TW/TX
1.75
±
0.1
4
±
0.1
2
±
0.1
.
φ
1
5
.1
+0 0
●
SM-42/43TA/TB
1.75
±
0.1
0.5
±
0.1
Installation
example
(SM-42W)
1
4
±
0.1
2
±
0.1
3
A
0.4
±
0.1
Installation
example
(SM-42A)
A
3
7.5
±
0.1
5.5
±
0.05
+0.3
–0.1
16
12
60
φ
1.
5
.1
+0 0
Direction of feed
+1
0
2
A
1
12
±
0.1
5.75
Cross section A-A
2
A
8
±
0.1
4.5
Cross section A-A
<Bulk pack specifications>
●
Unit of bulk in a plastic bag is 50 pcs. per pack.
●
Boxing of bulk in a plastic bag is performed with 200 pcs. per box.
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
LaunchPad After-Class Exercise 8: PWM1. Timer_A implements PWM
Register CCR0 can be used to control the PWM cycle, and a register CCRX can be used to control the duty cycle. In this way, Timer_A can g...
The STM8 chip has a high cost-performance ratio. I chose STM8S105 and bought a three-in-one development board. Later I found that the chip omitted the Vref pin. This pin is only available in 64-pin pa...
Live replay: The starting point of autonomous driving and artificial intelligence - millimeter wave radar and 3D ToF solutions : https://training.eeworld.com.cn/course/4366...
In any switching power supply design, the physical design of the PCB board is the last link. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, causing...
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
Electric vehicles are powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
Bosch has released a new SoC series to support L2+ advanced driver assistance functions. The chip integrates high resolution and long-range detection capabilities, and has built-in support for neur...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[Details]
A scale, a large, ground-mounted scale, is typically used to measure the tonnage of truck cargo. It's the primary weighing device used in factories, mines, and businesses for bulk cargo measurement...[Details]
In camera and display systems, the demand for high-performance and low-power data interfaces is driving continuous technological evolution. The evolution of MIPI D-PHY and MIPI C-PHY clearly ...[Details]
introduction
The OMAP-L138 dual-core processor is a new generation of low-power single-chip systems (SoCs) from TI. It is widely used in communications, industrial, medical diagnostic, and aud...[Details]
Microcontroller MCU
京公网安备 11010802033920号
EEWORLD
