ST-5 構造図
SURFACE MOUNT CERMET TRIMMERS
(14 TURNS)
RoHS compliant
ST-5
INTERNAL STRUCTURE
1
!0
2
9
3
4
5
Part name
■ FEATURES
● RoHS compliant
● Precise adjustment is possible
● Automatic mounting is possible (Taping)
● Flow/reflow soldering is possible
● Sealed construction (Washable: Refer to page 698.)
7
6
8
Material
Flammability
Polyphenylenesulphide
UL94V-0
1
Housing
2
Shaft
3
Terminal pin
4
Base element
5
Electrode
Ag-Pd cermet
6
Resistive element
RuO2 cermet
7
Wiper
8
Adhesive
9
Rubber cushion
!0
Rotor gear
Brass, Nickel-plated
Copper, Tin-plated
Ceramic
—
Multi metal alloy
Epoxy
Silicone rubber
Polyamide
UL94HB
■ PART NUMBER DESIGNATION
S T - 5 E T W 5 0 0 Ω ( 5 0 1 )
Series name
Terminal pin
E:Sn (Lead-free)
Resistance code
Resistance value
Product shape (Shape of terminal)
Form of packaging
T:Taping (Reel)
M:Magazine (Stick)
Blank:Bulk in plastic bag
※ Please refer to the LIST OF PART NUMBERS when placing orders.
W:Gull wing (Top adjustment)
X:Gull wing (Side adjustment)
P:Gull wing (Side adjustment)
R:Gull wing (Side adjustment)
ST-5
SURFACE MOUNT TRIMMERS
■ LIST OF PART NUMBERS
Side
adjustment
Taping (reel)
Magazine (stick)
)
(
X ( Gull wing ) ST-5ETX
P ( Gull wing ) ST-5ETP
R ( Gull wing ) ST-5ETR
W Gull wing ST-5ETW
Pieces in package
A10 Ω A20 Ω 50 Ω 100 Ω 200 Ω 500 Ω 1 k Ω 2 k Ω 5 k Ω
Form of packaging
Adjustment Shape of terminal
position
Top
adjustment
〈Nominal resistance values〉
500 pcs./reel
Plastic bag
ST-5EMW
ST-5EW
ST-5EMX
ST-5EX
ST-5EMP
ST-5EP
ST-5EMR
ST-5ER
50 pcs./stick
10 k Ω 20 k Ω 50 k Ω 100 k Ω 200 k Ω 500 k Ω 1 M Ω 2 M Ω
Fig. 1
※ The above part numbers are all available with the respective combination of
(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.
50 pcs./pack
The products indicated by A mark are manufactured upon receipt of order basis.
■ MECHANICAL CHARACTERISTICS
■ ELECTRICAL CHARACTERISTICS
10 Ω ~ 2 M Ω
Nominal resistance range
± 10 %
Resistance tolerance
Mechanical turn
14 turns
Operating torque
20 mN·m {204 gf·cm} maximum
Mechanical stop
Clutch action
Rotational life
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 %)]
Thrust to shaft
5 N {0.51 kgf} minimum
0.25 W (85 °C) 0 W (120 °C)
Power ratings
(B)
Resistance law
Linear law
Maximum input voltage
DC200 V or power rating, whichever is smaller
Maximum wiper current
100 mA or power rating, whichever is smaller
Effective electrical turn
11 turns
End resistance
1 % or 2 Ω , whichever is greater
C.R.V.
1 % or 3 Ω , whichever is greater
− 55 ~ 120 °C
Operating temp. range
Temp. coefficient
Insulation resistance
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)
Solderability
245 ± 3 °C, 2 ~ 3 s
Shear (Adhesion)
5 N {0.51 kgf} 10 s
Substrate bending
Width 90 mm, bend 3 mm, 5 s, 1 time
Pull-off strength
{ }:Reference only
■ ENVIRONMENTAL CHARACTERISTICS
Test item
[ Δ R/R ≦ 1 %]
Humidity
Net weight
Approx. 0.35 g
Shock
Temperature
200
150
100
50
Peak : 250
+5
0
℃
Over 230 ℃
180 ℃
150 ℃
Pre Heating Zone
(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
Reflow : two times maximum
[ 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 %]
Low temp. operation
− 55 °C, 2 h
High temp. exposure
120 °C, 250 h
Immersion seal
85 °C, 60 s
No leaks
(No continuous bubbles)
Soldering heat
Flow : 260 ± 3 °C as the temperature in a
pot of molten solder, immersion from head of
term inal 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
[ Δ R/R ≦ 1 %]
30 ± 10 s
Soldering Zone
− 10 ~ 65 °C (80 ~ 98 %),
10 cycles, 240 h
981 m/s2, 6 ms
6 directions for 3 times each
Vibration
90 ± 30 s
Heating time
Specifications
Thermal shock − 65 ~ 125 °C (0.5 h), 5 cycles
AC600 V, 60 s
(℃)
250
Test conditions
[ Δ R/R ≦ 1 %]
[S.S. ≦ 1 %]
Dielectric strength
〈Reflow profile for soldering heat evaluation〉
5 N {0.51 kgf} 10 s
Δ R/R:Change in total resistance
S.S. :Setting stability
ST-5
SURFACE MOUNT TRIMMERS
■ MAXIMUM INPUT RATINGS
Nominal resistance values ( Ω )
Resistance code
Maximum input voltage (V)
Maximum wiper current (mA)
A 10
A
20
50
100
200
500
100 1.00 100
200 2.00 100
500
3.53
70.7
101
5.00
50.0
201
7.07
35.4
501
11.2
22.4
1 k
2 k
5 k
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
1 M
2 M
104
204
504
105
205
158
200
200
200
200
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
1.4
(Unit: mm)
1.4
2
● ST-5EX
2
● ST-5EW
3.3
0
2
2
3.3
0
1.4
1.4
1.4
5
● ST-5EP
1.4
5
● ST-5ER
1.4
2
2
1.4
5.75
0
2
2
5.75
0
1.4
1.4
5
Note) The zero point is the center of mounting.
1.4
1.4
5
ST-5
SURFACE MOUNT TRIMMERS
■ OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.3 (Unit: mm)
● ST-5EW
Top adjustment
1
3
CW rotation
Resistance code & Production date code
● ST-5EX
Side adjustment
1
1
1
6.3
6.75
1
6
2.5 2.5
1
3 – 0.5
φ 1.6, Slot 0.6 W × 0.8 D
0.9
3
1
1
● ST-5EP
Side adjustment
1
1
6.75
Lead free Identification mark
1
4.3
1
● ST-5ER
Side adjustment
0.9
1
1
3 – 0.5
2
6.75
φ 1.6, Slot 0.6 W × 0.8 D
1
1
1
2.5 2.5
6
Resistance code, Production date code
& Lead free Identification mark
8.75
3
φ 1.6, Slot 0.6 W × 0.8 D
2
0.9
1
1
6.3
Resistance code &
Production date code
8.75
2.5 2.5
6
6.75
3 – 0.5
4.3
3
※ Note the terminal position.
Resistance code, Production date code
& Lead free Identification mark
1
2
3 – 0.5
2.5 2.5
Lead free Identification mark
1
4.3
2
φ 1.6, Slot 0.6 W × 0.8 D
3
0.9
6
2
4.3
ST-5
SURFACE MOUNT TRIMMERS
■ 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.).
● EMBOSSED TAPE DIMENSIONS
Maximum number of consecutive missing pieces = 2
Leader length and reel dimension are shown in the diagrams below.
● REEL DIMENSIONS
(Conforms to JIS C 0806-3)
(In accordance with EIAJ ET-7200A)
(Unit: mm)
R Taping
Filled
Empty
17.4±1
ST-5TW/TX Taping
End
40 mm min.
21±0.8
Head
2±0.5
50 min.
Empty
20 pitches min.
Leader
Direction of feed
13±0.2
400 mm min.
254±2 (ST-5ETP/ETR)
330±2 (ST-5ETW/ETX)
Direction of feed
2 ± 0.1
5
0.5 ± 0.1
Installation example
(ST-5EW)
16
12 ± 0.1
4 ± 0.1
7.5 ± 0.1
Installation example
(ST-5EP)
16
7.5 ± 0.1
0.4 ± 0.1
+0.1
0
2 ± 0.1
5
4 ± 0.1
φ 1.
+0.1
0
5
φ 1.
12 ± 0.1
1.75 ± 0.1
● ST-5ETW/ETX
1.75 ± 0.1
● ST-5ETP/ETR
21.4±1
Direction of feed
8.5
ST-5
SURFACE MOUNT TRIMMERS
● Magazine is packed 50 pcs. per stick.
ST-5 マガジン寸法図
Orders will be accepted for units of 50 pcs., i.e., 50, 100,
150 pcs., etc.
● Magazines are packed 2000 pcs. per box.
● Magazine dimensions
(Unit: mm)
8.5
3±1
380 ± 2
3±1
11
Installation example (ST-5EW)
Stopper
● 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.
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