CFCs, Halon, Carbon tetrachloride and designated bromic flame
retardant PBBOs and PBBs are not used in our products.
■
PART NUMBER DESIGNATION
S M - 4
□
T A 1 k
Ω
( 1 0 2 )
Series name
Terminal pin
Blank : Sn-Pb
E : Sn-Cu (Lead-free)
Resistance code
Resistance value
Form of packaging
T : Taping (Reel)
Blank : Bulk in vinyl bags
Product shape (Shape of terminal)
A : J-hook
B : Gull wing
W : J-hook
❈
Please 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.
Oct,
2004
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
LIST OF PART NUMBERS
Form of packaging
Adjustment Shape of terminal
position
Top adjustment W (J-hook)
A (J-hook)
Side adjustment
B (Gull wing)
Pieces in package
SM-4TB
SM-4ETB
SM-4B
SM-4EB
TW, ETW : 250 pcs./reel
TA, ETA : 500 pcs./reel
TB, ETB : 500 pcs./reel
<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
Taping (reel)
Sn-Cu
Sn-Pb
(Lead-free)
Vinyl bag
Sn-Cu
Sn-Pb
(Lead-free)
10 kΩ
20 kΩ
50 kΩ 100 kΩ 200 kΩ 500 kΩ 1 MΩ
Fig. 1
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.
SM-4TW
SM-4TA
SM-4ETW
SM-4ETA
SM-4W
SM-4A
SM-4EW
SM-4EA
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 (B)
DC300 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
10 turns
1 % or 2
Ω,
whichever is greater
1 % or 3
Ω,
whichever is greater
−65
~ 150 °C
±
100 10
-6
/°C maximum
1000 MΩ minimum (DC500 V)
AC600 V, 60 s
Approx. 0.2 g
■
MECHANICAL CHARACTERISTICS
Mechanical turn
Operating torque
Mechanical stop
Rotational life
Thrust to shaft
Solderability
Shear (Adhesion)
Substrate bending
Pull-off strength
12 turns
20 mN·m {204 gf·cm} maximum
Clutch action
200 cycles [
∆
R/R
≦
±
(3
Ω +3
%)]
5 N {0.51 kgf} minimum
Sn-Pb : 235 °C, 2 s
Sn-Cu (Lead-free) : 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
■
ENVIRONMENTAL CHARACTERISTICS
Test item
Thermal shock
Humidity
Shock
Vibration
Test conditions
−65
~ 150 °C (0.5 h), 5 cycles
−10
~ 65 °C (Relative humidity 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
[
∆
R/R
≦
2 %]
[S.S.
≦
1 %]
[
∆
R/R
≦
2 %]
[
∆
R/R
≦
1 %]
[S.S.
≦
1 %]
[
∆
R/R
≦
2 %]
[S.S.
≦
1 %]
[
∆
R/R
≦
1 %]
[S.S.
≦
1 %]
[
∆
R/R
≦
2 %]
[S.S.
≦
1 %]
No leaks (No continuous bubbles)
<Reflow profile for soldering heat evaluation>
(°C)
250
Temperature
200
150
100
50
180
°C
150
°C
+5
0
Peak : 250
°C
Load life
Low temp. operation
High temp. exposure
85 °C, 0.25 W, 1000 h
−65
°C, 2 h
150 °C, 250 h
85 °C, 60 s
Sn-Pb
260 °C, 10 s or 215 °C, 35 s
Sn-Cu
Flow : 260
±
3 °C as the temperature in
a pot of molten solder, immersion from
head of terminal to backside of board,
5 ~ 6 s, two times maximum
Reflow : Peak temperature 255 °C
(Please refer to the profile below.)
Manual soldering : 350
±
10 °C, 3 ~ 4 s
Over 230
°C
Pre Heating Zone
90
±
30 s
30
±
10 s
Heating time
Soldering Zone
Immersion seal
Reflow : two times maximum
Soldering heat
[
∆
R/R
≦
1 %]
∆
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.
Oct,
2004
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
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-4A, EA
3–2
2
SM-4A
SM-4B
(Unit: mm)
●
SM-4B, EB
1.3
2
●
SM-4W, EW
2
SM-4W
3–1.6
2–1.3
2.54
2.9
5.2
4
0
0
0
2–1.3
2.3
2.3
2–1.3
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.
Oct,
2004
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
OUTLINE DIMENSIONS
●
SM-4A, SM-4EA
Side adjustment
Lead-free Identification mark
Unless otherwise specified, tolerance :
±
0.3 (Unit : mm)
1
2
3
CW rotation
3
4.5
2
φ
1.5, Slot 0.56W
×
0.5D
2.6
5
3
❈
Note the terminal position.
1
Resistance code & Production date code
3.7
●
SM-4B, SM-4EB
Side adjustment
Resistance code & Production date code
3
φ
1.5, Slot 0.56W
×
0.5D
2
2.6
6.2
0.35 min.
0.35 min.
2–0.8
1.2
1.7
3.8
2–0.8
2–0.8
2.35
t = 0.15
4.9
1.2
1.2
1
4.5
Lead-free Identification mark
3.7
●
SM-4W, SM-4EW
Top adjustment
Resistance code & Production date code
3.7
2
t = 0.15
1
1.2
1.2
3
2.6
φ
1.5, Slot
0.56W
×
0.5D
Lead-free Identification mark
5.1
5.3
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
2.54
4.9
2.35
1.2
4.9
Oct,
2004
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
PACKAGING SPECIFICATIONS
<Taping packaging specifications>
●
Taping version (SM-4TA, TB, ETA, ETB types) are packaged in 500 pcs. per reel.
Orders will be accepted for units of 500 pcs., i.e., 500, 1000, 1500 pcs., etc.
SM-4TW, ETW types are packaged in 250 pcs. per reel.
Orders will be accepted for units of 250 pcs., i.e., 500, 750 pcs., etc.
●
Taping version is boxed with one reel.
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/ETA/ETB)
17.4±1 (TW/ETW)
21±0.8
2±0.5
60
0
(TA/TB/ETA/ETB)
80±1 (TW/ETW)
Installation example
(SM-4W/EW)
5.75
Direction of feed
End
Head
40 mm min.
Direction of feed
20 pitches min.
Leader
400 mm min.
13±0.2
180
–1.5
(TA/TB/ETA/ETB)
182±1 (TW/ETW)
0
15.4±1 (TA/TB/ETA/ETB)
20.4±1 (TW/ETW)
●
SM-4TA/TB/ETA/ETB
1.75±0.1
8±0.1
●
SM-4TW/ETW
12±0.1
φ
1.5
0.3±0.1
Installation example
(SM-4A/EA)
+0.1
0
4±0.1
2±0.05
1.75±0.1
0.3±0.1
φ
1.5
+0.1
0
4±0.1
2±0.05
5.5±0.05
12
7.5±0.05
4.5
Direction of feed
<Vinyl bag packaging specifications>
●
Unit of bulk in vinyl bag packaging is 50 pcs. per pack.
●
Boxing of bulk in vinyl bags 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.
SMT贴片机是表面贴装技术（Surface Mount Technology）中的重要设备，它的性能状态对电子制造的质量和效率有着决定性的影响。因此，对SMT贴片机的主要指标性能进行定期检测非常重要。以下是一些主要的检测项目： 定位精度：定位精度是SMT贴片机的核心性能指标，它直接影响到贴片的准确性。通常，我们通过重复测量贴片机在X、Y轴上的移动误差来检测其定位精度。 贴片速度：贴片速度...[详细]
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