CFCs, Halon, Carbon tetrachloride and designated bromic flame
retardant PBBOs and PBBs are not used in our products.
■
PART NUMBER DESIGNATION
S M - 4 E T A 1 k
Ω
( 1 0 2 )
Series name
Terminal pin
E : Sn-Cu (Lead-free)
Resistance code
Resistance value
Form of packaging
T : Taping (Reel)
Blank : Bulk in plastic bag
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.
Jan,
2007
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
LIST OF PART NUMBERS
Form of packaging
Adjustment Shape of terminal
position
Top adjustment
W (J-hook)
Taping (reel)
Sn-Cu (Lead-free)
<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
Plastic bag
Sn-Cu (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.
SM-4ETW
SM-4ETA
SM-4ETB
ETW : 250 pcs./reel
ETA : 500 pcs./reel
ETB : 500 pcs./reel
SM-4EW
SM-4EA
SM-4EB
A (J-hook)
Side adjustment
B (Gull wing)
Pieces in package
❈
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.
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
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)
■
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
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
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
[
∆
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)
AC600 V, 60 s
Thermal shock
Approx. 0.2 g
Humidity
Shock
<Reflow profile for soldering heat evaluation>
(°C)
250
Temperature
200
150
100
50
Peak : 250
+5
0
Vibration
Load life
Low temp. operation
High temp. exposure
°C
85 °C, 0.25 W, 1000 h
−65
°C, 2 h
150 °C, 250 h
85 °C, 60 s
Over 230
°C
180
°C
150
°C
Pre Heating Zone
90
±
30 s
30
±
10 s
Heating time
Soldering Zone
Immersion seal
Soldering heat
Reflow : two times maximum
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
[
∆
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.
Jan,
2007
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
MAXIMUM INPUT RATINGS
Nominal resistance Resistance code Maximum input
values (Ω)
voltage (V)
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-4EA
3–2
2.0
SM-4EA
SM-4EB
(Unit: mm)
●
SM-4EB
1.3
2.0
●
SM-4EW
2.0
SM-4EW
3 – 1.6
2 – 1.3
2.54
Note) The zero point is the center of mounting.
5.2
0
2 – 1.3
2.3
2.3
2 – 1.3
■
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
2.9
4
0
0
Jan,
2007
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
OUTLINE DIMENSIONS
●
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-4EB
Side adjustment
Resistance code &
Production date code
3
2
4.9
1
4.5
Lead-free Identification mark
3.7
φ
1.5, Slot
0.56W
×
0.5D
2.6
6.2
0.35 min.
0.35 min.
2–0.8
1.2
1.7
3.8
2–0.8
1.2
2.35
t = 0.15
2.54
1.2
●
SM-4EW
Top adjustment
Resistance code & Production date code
3.7
2
1
4.9
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.
2–0.8
2.35
t = 0.15
4.9
1.2
1.2
Jan,
2007
COPAL ELECTRONICS
SURFACE MOUNT TRIMMERS
SM-4
■
PACKAGING SPECIFICATIONS
<Taping packaging specifications>
●
Taping version (SM-4ETA, 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-4ETW 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)
(Unit: mm)
Empty
Filled
Empty
End
Head
13
0
(ETA/ETB)
17.4±1 (ETW)
21±0.8
2±0.5
60
0
(ETA/ETB)
80±1 (ETW)
Installation example
(SM-4EW)
5.75
Direction of feed
+1
40 mm min.
20 pitches min.
Leader
Direction of feed
400 mm min.
13±0.2
180
–1.5
(ETA/ETB)
182±1 (ETW)
0
15.4±1 (ETA/ETB)
20.4±1 (ETW)
●
SM-4ETA/ETB
1.75±0.1
8±0.1
●
SM-4ETW
12±0.1
φ
1.5
+0.1
0
0.3±0.1
Installation example
(SM-4EA)
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
7.5±0.05
12
4.5
Direction of feed
<Bulk pack packaging 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.
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