SM-42W 5K ohm(502) 01 数据手册
SURFACE MOUNT CERMET TRIMMERS
RoHS compliant
SM-42/43
INTERNAL STRUCTURE
9
1
2
3
8
4
5
7
6
Part name
Material
Flammability
Polyphenylenesulphide
UL94V-0
■ FEATURES
1
Housing
ORoHS compliant
OFine adjustment is available
OAutomatic mounting is available (Taping)
OReflow soldering is available
OSealed construction (Washable: Refer to page 750.)
2
Base element
3
Electrode
Ag-Pd cermet
4
Resistive element
RuO2 cermet
5
Adhesive
6
Wiper
7
Terminal pin
8
Rotor gear
9
Shaft
Ceramic
—
Epoxy
Multi metal alloy
Copper alloy, Sn-Cu-plated
Polyamide
UL94V-0
Brass, Nickel-plated
—
■ PART NUMBER DESIGNATION
S M - 4 □ T W 1 0 0 Ω ( 1 0 1 )
Series name
Resistance code
Electrical turn
Resistance value
2:11 turns
3:5 turns
Form of packaging
Product shape (Shape of terminal)
T:Taping (Reel)
Blank:Bulk in plastic bag
W, X:Top adjustmet
A, B:Side adjustmet
※Please refer to the LIST OF PART NUMBERS when placing orders.
SM-42/43
SURFACE MOUNT TRIMMERS
■ LIST OF PART NUMBERS
Form of packaging
Adjustment
Shape of terminal
position
Electrical turn
〈Nominal resistance values〉
Taping (reel)
Plastic bag
W (J-hook)
SM-42TW
SM-42W
X (Gull wing)
SM-42TX
SM-42X
A (J-hook)
SM-42TA
SM-42A
B (Gull wing)
SM-42TB
SM-42B
W (J-hook)
SM-43TW
SM-43W
X (Gull wing)
SM-43TX
SM-43X
A (J-hook)
SM-43TA
SM-43A
B (Gull wing)
SM-43TB
SM-43B
TA, TB : 500 pcs./reel
TW, TX : 250 pcs./reel
50 pcs./pack
Top adjustment
11
Side adjustment
A10 Ω A20 Ω
10 kΩ
20 kΩ
50 Ω
100 Ω
200 Ω
500 Ω
1 kΩ
2 kΩ
50 kΩ 100 kΩ 200 kΩ 500 kΩ 1 MΩ
2 MΩ
5 kΩ
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
(Fig. 1).
※Verify the above part numbers when placing orders.
※Taping specification is not sold separately and must be purchased in reel units.
Top adjustment
5
Side adjustment
Pieces in package
■ ELECTRICAL CHARACTERISTICS
■ MECHANICAL CHARACTERISTICS
Operating torque
17.6 mN·m {180 gf·cm} maximum
Mechanical stop
Clutch action
Rotational life
200 cycles [ΔR/R ≦ ± (3 Ω + 3 %)]
Thrust to shaft
5 N {0.51 kgf} minimum
Solderability
245 ± 3 °C, 2 ~ 3 s
± 10 %
Shear (Adhesion)
5 N {0.51 kgf} 10 s
Power ratings
0.25 W (85 °C) 0 W (150 °C)
Substrate bending
Width 90 mm, bend 3 mm, 5 s, 1 time
Resistance law
(B)Linear law
10 Ω ~ 2 MΩ
Nominal resistance range
Resistance tolerance
Maximum input voltage
DC300 V or power rating, whichever is smaller
Maximum wiper current
100 mA or power rating, whichever is smaller
Effective electrical turn
11 turns (SM-42), 5 turns (SM-43)
End resistance
1 % or 2 Ω, whichever is greater
C.R.V.
1 % or 3 Ω, whichever is greater
−65 ~ 150 °C
Operating temp. range
±100 10 /°C maximum
-6
Temp. coefficient
Insulation resistance
100 MΩ minimum (DC500 V)
Dielectric strength
AC600 V, 60 s
Net weight
Approx. 0.17 g
Reflow profile for soldering heat evaluation〉
(C)
250
Peak : 250
+5
0
Pull-off strength
{ }:Reference only
■ ENVIRONMENTAL CHARACTERISTICS
Test item
Thermal shock
Humidity
Shock
Temperature
150
180 C
50
Specifications
− 65 ~ 150 °C (0.5 h), 5 cycles
[ΔR/R ≦ 2 %]
[S.S. ≦ 1 %]
−10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
981 m/s2, 6 ms
6 directions for 3 times each
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s2,
10 ~ 2000 Hz, 3 directions, 12 times each
Load life
85 °C, 0.25 W, 1000 h
Low temp. operation
−65 °C, 2 h
High temp. exposure
150 °C, 250 h
Immersion seal
85 °C, 60 s
[ΔR/R ≦ 2 %]
[ΔR/R ≦ 1 %]
[S.S. ≦ 1 %]
[ΔR/R ≦ 3 % or 3 Ω]
[S.S. ≦ 2 %]
[ΔR/R ≦ 1 %]
[S.S. ≦ 1 %]
[ΔR/R ≦ 2 %]
[S.S. ≦ 1 %]
No leaks (No continuous bubbles)
C
Pre Heating Zone
Soldering heat
150 C
90 30 s
100
Test conditions
Vibration
Over 230 C
200
5 N {0.51 kgf} 10 s
Reflow : Peak temperature 255 °C
(Please refer to the profile below.)
Manual soldering:350 ± 10
°C, 3 ~ 4 s
[ΔR/R ≦ 1 %]
30 10 s
Heating time
Soldering Zone
Reflow : two times maximum
ΔR/R:Change in total resistance
S.S.:Setting stability
SM-42/43
SURFACE MOUNT TRIMMERS
■ MAXIMUM INPUT RATINGS
Nominal resistance Resistance code Maximum input
values (Ω)
voltage (V)
A
A
Maximum wiper
current (mA)
10
20
50
100
200
500
100
200
500
101
201
501
1.00
2.00
3.53
5.00
7.07
11.2
100
100
70.7
50.0
35.4
22.4
1k
2k
5k
10 k
20 k
50 k
102
202
502
103
203
503
15.8
22.4
35.4
50.0
70.7
112
15.8
11.2
7.07
5.00
3.54
2.24
100 k
200 k
500 k
1M
2M
104
204
504
105
205
158
223
300
300
300
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
OSM-42/43B
OSM-42/43X
2
2
5.1
0
2.3
1.3
1.3
1.9
1.3
1.3
2.3
2.9
0
1.6
5.2
0
2
0
4
1.6
2
1.9
2
2
OSM-42/43W
1.3
OSM-42/43A
(Unit: mm)
2.54
1.3
2.54
Note) The zero point is the center of mounting.
SM-42/43
SURFACE MOUNT TRIMMERS
■ OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
OSM-42/43W
3.9
3
2
※Note the terminal position.
3 – 0.9
1.2
4.8
2.54
2
1.3
CW rotation
1
2 – 0.8
1
Resistance code & Production date code
3.5
φ 1.5, Slot
3
0.56W × 0.5D
5.1
2.6
3–1
5.3
OSM-42/43X
5.7
Resistance code & Production date code
3.5
2
2 – 0.8
1.2
4.8
2.54
1.3
1
φ 1.5, Slot
0.56W × 0.5D
3
5.1
3–1
5.3
OSM-42/43A
3.7
3 – 0.8
Resistan ce code & Produ ction d ate code
①
2 – 0.9
4.8
1.2
1.3
2.3
3–1
②
φ 1.5, Slot
0.56W × 0.5D
2.6
③
4.6
5
OSM-42/43B
1
1.2
2.3
1.3
4.8
2
2 – 0.9
φ 1.5, Slot
0.56W × 0.5D
4.6
2.8
6
3
3 – 0.6
3.9
Resistance code & Production date code
SM-42/43
SURFACE MOUNT TRIMMERS
■ PACKAGING SPECIFICATIONS
O 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 diagrams below.
OEMBOSSED TAPE DIMENSIONS
OREEL DIMENSIONS
(Conforms to JIS C 0806-3)
(TA/TB type : In accordance with EIAJ ET-7200A)
Empty
Filled
(Unit: mm)
Empty
+1
Head
40 mm min.
21±0.8
Direction of feed
2±0.5
60
20 pitches min.
+1
0
End
13 0 (TA/TB)
17±0.3 (TW, TX)
400 mm min.
13±0.2
0
180 –1.5 (TA/TB)
0
180 –3 (TW, TX)
OSM-42/43TW/TX
15.4±1 (TA/TB)
19.5±1 (TW/TX)
OSM-42/43TA/TB
5.75
Cross section A-A
OUnit of bulk in a plastic bag is 50 pcs. per pack.
O Boxing of bulk in a plastic bag is performed with 200
pcs. per box.
2
1.75 0.1
0.4 0.1
Installation
example
(SM-42A)
12
5.5 0.05
+0.3
7.5 0.1
12 0.1
2 0.1
3
.1
+0 0
1
5
A
1
A
1.
2
Installation
example
(SM-42W)
φ
.1
+0 0
5
.
φ1
3
4 0.1
0.5 0.1
16 –0.1
2 0.1
A
1.75 0.1
4 0.1
4.5
A
8 0.1
Cross section A-A
SM-42W 5K ohm(502) 01 价格&库存
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