ST-5
(14 TURNS)
SURFACE MOUNT CERMET TRIMMERS
構造図
ST-5
INTERNAL STRUCTURE
1
2
!0
RoHS compliant
9
3
4
5
Part name
6
Material
7
8
Flammability
UL94V-0
■
FEATURES
●
RoHS compliant
●
Precise adjustment is possible
●
Automatic mounting is possible (Taping)
●
Flow/reflow soldering is possible
●
Sealed construction (Washable: Refer to page 698.)
1
2
3
4
5
6
7
8
9
!0
Housing
Shaft
Terminal pin
Base element
Electrode
Resistive element
Wiper
Adhesive
Rubber cushion
Rotor gear
Polyphenylenesulphide
Brass, Nickel-plated
Copper, Tin-plated
Ceramic
Ag-Pd cermet
—
RuO
2
cermet
Multi metal alloy
Epoxy
Silicone rubber
Polyamide
UL94HB
■
PART NUMBER DESIGNATION
S T - 5 E T W 5 0 0
Ω
( 5 0 1 )
Resistance code
Resistance value
Product shape (Shape of terminal)
Series name
Terminal pin
E：Sn (Lead-free)
Form of packaging
T：Taping (Reel)
M：Magazine (Stick)
Blank：Bulk in plastic bag
W：Gull wing (Top adjustment)
X：Gull wing (Side adjustment)
P：Gull wing (Side adjustment)
R：Gull wing (Side adjustment)
※
Please refer to the LIST OF PART NUMBERS when placing orders.
ST-5
SURFACE MOUNT TRIMMERS
■
LIST OF PART NUMBERS
Adjustment Shape of terminal
position
Top
adjustment
Side
adjustment
W Gull wing
〈
Nominal resistance values
〉
A
10
Ω
A
20
Ω
50
Ω
100
Ω
200
Ω
500
Ω
1 k
Ω
2 k
Ω
5 k
Ω
Form of packaging
Taping (reel)
ST-5ETW
ST-5ETX
ST-5ETP
ST-5ETR
500 pcs./reel
Magazine (stick)
ST-5EMW
ST-5EMX
ST-5EMP
ST-5EMR
50 pcs./stick
Plastic bag
ST-5EW
ST-5EX
ST-5EP
ST-5ER
50 pcs./pack
10 k
Ω
20 k
Ω
50 k
Ω
100 k
Ω
200 k
Ω
500 k
Ω
1 M
Ω
2 M
Ω
)
(
X
(
Gull wing
)
P
(
Gull wing
)
R
(
Gull wing
)
Fig. 1
※
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 and magazine specifications are not sold separately and must be purchased in reel or stick units.
Pieces in package
The products indicated by
A
mark are manufactured upon receipt of order basis.
■
MECHANICAL CHARACTERISTICS
■
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 M
Ω
±
10 %
0.25 W (85 °C) 0 W (120 °C)
Linear law
DC200 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
11 turns
1 % or 2
Ω
, whichever is greater
1 % or 3
Ω
, whichever is greater
10
Ω
~ 50
Ω
:
±
250 10
-6
/°C maximum
100
Ω
~ 2 M
Ω
:
±
100 10
-6
/°C maximum
1000 M
Ω
minimum (DC500 V)
AC600 V, 60 s
Approx. 0.35 g
−
55 ~ 120 °C
（B）
Mechanical turn
Operating torque
Mechanical stop
Rotational life
Thrust to shaft
Solderability
Shear (Adhesion)
Substrate bending
Pull-off strength
14 turns
20 mN·m {204 gf·cm} maximum
Clutch action
200 cycles
10
Ω
~ 200
Ω
[
Δ
R/R
≦
±
(0.5
Ω +
3 %)]
500
Ω
~ 2 M
Ω
[
Δ
R/R
≦
±
(0.5
Ω +
2 %)]
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
−
10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
981 m/s
2
, 6 ms
6 directions for 3 times each
Specifications
[
Δ
R/R
≦
1 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
1 %]
Thermal shock
−
65 ~ 125 °C (0.5 h), 5 cycles
Humidity
Shock
Vibration
Load life
〈
Reflow profile for soldering heat evaluation
〉
(℃)
250
Temperature
200
150
100
50
180
℃
150
℃
Peak : 250
+5
0
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s
2
,
10 ~ 2000 Hz, 3 directions, 12 times each
[
Δ
R/R
≦
1 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
2 %]
[S.S.
≦
1 %]
[
Δ
R/R
≦
2 %]
[S.S.
≦
2 %]
[
Δ
R/R
≦
2 %]
[S.S.
≦
2 %]
No leaks
(No continuous bubbles)
85 °C, 0.25 W, 1000 h
−
55 °C, 2 h
120 °C, 250 h
85 °C, 60 s
Flow : 260
±
3 °C as the temperature in a
pot of molten solder, immersion from head of
ter minal 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
℃
Low temp. operation
High temp. exposure
Immersion seal
Over 230
℃
Pre Heating Zone
90
±
30 s
30
±
10 s
Heating time
Soldering Zone
Soldering heat
[
Δ
R/R
≦
1 %]
Reflow : two times maximum
Δ
R/R：Change in total resistance
S.S.
：Setting
stability
SURFACE MOUNT TRIMMERS
ST-5
■
MAXIMUM INPUT RATINGS
Nominal resistance values (
Ω
)
Resistance code
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
105
205
Maximum input voltage (V)
1.00
2.00
3.53
5.00
7.07
11.2
15.8
22.4
35.4
50.0
70.7
112
158
200
200
200
200
Maximum wiper current (mA)
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
100
70.7
50.0
35.4
22.4
15.8
11.2
7.07
5.00
3.54
2.24
1.58
1.00
0.40
0.20
0.10
The products indicated by
A
mark are manufactured upon
receipt of order basis.
■
RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS
●
ST-5EW
2
1.4
●
ST-5EX
2
1.4
(Unit: mm)
3.3
2
1.4
5
1.4
2
3.3
0
0
1.4
5
1.4
●
ST-5EP
1.4
2
●
ST-5ER
1.4
5.75
2
1.4
5
Note) The zero point is the center of mounting.
1.4
2
5.75
0
2
0
1.4
5
1.4
ST-5
SURFACE MOUNT TRIMMERS
■
OUTLINE DIMENSIONS
●
ST-5EW
Top adjustment
Resistance code & Production date code
Unless otherwise specified, tolerance :
±
0.3 (Unit: mm)
1
3
CW rotation
3 – 0.5
2
3
φ
1.6, Slot 0.6 W
×
0.8 D
2.5 2.5
2
※
Note the terminal position.
6
0.9
Lead free Identification mark
1
4.3
1
1
1
6.75
6.3
1
●
ST-5EX
Side adjustment
2
1
1
Resistance code, Production date code
& Lead free Identification mark
3
0.9
φ
1.6, Slot 0.6 W
×
0.8 D
3 – 0.5
1
1
6.3
4.3
1
6.75
●
ST-5EP
Side adjustment
3
8.75
1
1
2
Resistance code &
Production date code
2.5 2.5
2.5 2.5
6
φ
1.6, Slot 0.6 W
×
0.8 D
3 – 0.5
6
0.9
Lead free Identification mark
1
6.75
1
1
4.3
●
ST-5ER
Side adjustment
3
8.75
1
0.9
1
1
1
Resistance code, Production date code
& Lead free Identification mark
φ
1.6, Slot 0.6 W
×
0.8 D
2.5 2.5
2
1
6.75
4.3
3 – 0.5
6
SURFACE MOUNT TRIMMERS
ST-5
■
PACKAGING SPECIFICATIONS
<Taping packaging specifications>
●
Taping version is packaged in 500 pcs. per reel.
Orders will be accepted for units of 500 pcs., i.e., 500,
1000, 1500 pcs., etc.
●
Taping version is boxed with one reel (500 pcs.).
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）
（In
accordance with EIAJ ET-7200A）
(Unit: mm)
Empty
Filled
Empty
R Taping
End
17.4±1
Head
40 mm min.
20 pitches min.
Leader
Direction of feed
400 mm min.
13±0.2
254±2 (ST-5ETP/ETR)
330±2 (ST-5ETW/ETX)
21.4±1
●
ST-5ETP/ETR
1.75 ± 0.1
12 ± 0.1
4 ± 0.1
2 ± 0.1
0.4 ± 0.1
Installation example
(ST-5EP)
●
ST-5ETW/ETX
1.75
±
0.1
12
±
0.1
4
±
0.1
0.5
±
0.1
Installation example
(ST-5EW)
2
±
0.1
7.5 ± 0.1
7.5
±
0.1
16
Direction of feed
5
16
Direction of feed
8.5
50 min.
ST-5TW/TX Taping
21±0.8
2±0.5
φ
1.
5
+0.1
0
φ
1.
5
+0.1
0
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