ST4EA105 [ETC]
TRIMMER 1M OHM 0.25W J LEAD TOP;
| 型号： | ST4EA105 |
| 厂家： | 
ETC |
| 描述： | TRIMMER 1M OHM 0.25W J LEAD TOP |
| 文件： | 总6页 (文件大小：795K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) ST-4
INTERNAL STRUCTURE
RoHS compliant
1
7
6
2
5
3
4
8
9
Part name
Wiper
Material
Multi metal alloy
Stainless steel (SUS 304)
Epoxy
1
2
3
4
5
6
7
8
9
■
FEATURES
Cover
● RoHS compliant
Housing
Terminal pin
Base element
“O” ring
● Wide variety (7 types) to choose from
● Automatic mounting is possible (Taping)
● Flow/reflow soldering is possible
Copper alloy, Sn-Cu-plated
Ceramic
● Sealed construction (Washable: Refer to page 698.)
● Stopper structure prevents terminal pin from being open.
● Cross slot rotor suitable for automatic adjustment
Silicone rubber
PPS
Rotor
●
Resin materials are UL Recognized 94V-0 or 94V-1 equivalent
Polyphenylenesulphide
Electrode
Ag-Pd cermet
RuO2 cermet
Resistive element
■
PART NUMBER DESIGNATION
S T - 4 E T A 2 0 0 Ω ( 2 0 1 )
ꢀ
Resistance code
Series name (minus slot)
Terminal pin
Resistance value
E：Sn-Cu (Lead-free)
Product shape (Shape of terminal)
A：J-hook (Top adjustment)
Form of packaging
B：Gull wing Top adjustment)
T：Taping (Reel)
C：Through hole pins (Top adjustment)
D：Gull wing (Rear adjustment)
F：Through hole pins (Rear adjustment)
G：J-hook (Side adjustment)
Blank：Bulk in plastic bag
H：Gull wing (Side adjustment)
S T - 4 2 E T A 2 0 0 Ω ( 2 0 1 )
Resistance code
Resistance value
Series name (cross slot)
Terminal pin
E：Sn-Cu (Lead-free)
Product shape (Shape of terminal)
A：J-hook (Top adjustment)
Form of packaging
B：Gull wing (Top adjustment)
C：Through hole pins (Top adjustment)
D：Gull wing (Rear adjustment)
F：Through hole pins (Rear adjustment)
G：J-hook (Side adjustment)
T：Taping (Reel)
Blank：Bulk in plastic bag
H：Gull wing (Side adjustment)
※ Please refer to the LIST OF PART NUMBERS when placing orders.
ST-4
SURFACE MOUNT TRIMMERS
■
Adjustment
position
LIST OF PART NUMBERS
〈
Nominal resistance values〉
Form of packaging
A
10 Ω
A
20 Ω 50 Ω 100 Ω 200 Ω 500 Ω 1 kΩ 2 kΩ 5 kΩ
Shape of
terminal
Taping (reel)
Plastic bag
ST-4/42EA
ST-4/42EB
ST-4/42EC
10 kΩ 20 kΩ 5 0kΩ 100 kΩ 200 kΩ 500 kΩ 1 MΩ 2 MΩ
Fig. 1
ST-4/42ETA
ST-4/42ETB
A ( J-hook )
B ( Gull wing
ꢀ
：Not manufactured
Top
※ The above part numbers are all available with the respective combination
)
adjustment
of <Nominal resistance values> (Fig. 1).
C
(
Through hole pins
)
※ Verify the above part numbers when placing orders.
※
Taping specification is not sold separately and must be purchased in reel units.
A
ST-4/42ETD
A
ST-4/42ED
D ( Gull wing
)
※ Cross slot available : ST-42E □
Rear
adjustment
Through hole pins
A ST-4/42EF
F (
)
ST-4/42ETG
ST-4/42ETH
ST-4/42EG
ST-4/42EH
J-hook
G
(
(
)
Side
adjustment
Gull wing )
H
500 pcs./reel
100 pcs./pack
Pieces in package
The products indicated by A mark are manufactured upon receipt of
order basis.
■
MECHANICAL CHARACTERISTICS
※ C slot : ST-4E
□
, B slot : ST-42E
□
Mechanical angle
Operating torque
Stop strength
240° (1 turn)
10 mN·m {102 gf·cm} maximum
30 mN·m {306 gf·cm} minimum
100 cycles [ Δ R/R ≦ ± (2 Ω +3 %)]
5 N {0.51 kgf} minimum
■
ELECTRICAL CHARACTERISTICS
Rotational life
Nominal resistance range
Resistance tolerance
Power ratings
10 Ω ~ 2 MΩ
± 20 %
Thrust to rotor
Solderability
245 ± 3 °C, 2 ~ 3 s
5 N {0.51 kgf} 10 s
0.25 W (70 °C) 0 W (125 °C)
Linear law (B)
Shear (Adhesion)
Substrate bending
Pull-off strength
Resistance law
Width 90 mm, bend 3 mm, 5 s, 1 time
5 N {0.51 kgf} 10 s
Maximum input voltage
Maximum wiper current
Effective electrical angle
End resistance
DC200 V or power rating, whichever is smaller
100 mA or power rating, whichever is smaller
210° (1 turn)
{ }：Reference only
1 % or 2
1 % or 3
Ω
Ω
, whichever is greater
, whichever is greater
■
ENVIRONMENTAL CHARACTERISTICS
C.R.V.
Test item
Test conditions
Specifications
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
− 55 ~ 125 °C
[ Δ R/R ≦ 2 %]
Thermal shock
Humidity
− 65 ~ 125 °C (0.5 h), 5 cycles
[S.S. ≦ 1 %]
10
100
Ω
Ω
~ 50
Ω
: ± 250 10-6/°C maximum
: ± 100 10-6/°C maximum
minimum (DC500 V)
− 10 ~ 65 °C (80 ~ 98 %),
~ 2 M
Ω
Ω
[ Δ R/R ≦ 2 %]
10 cycles, 240 h
981 m/s2, 6 ms
1000 M
Shock
6 directions for 3 times each
[ Δ R/R ≦ 1 %]
[S.S. ≦ 1 %]
AC500 V, 60 s
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s2,
Vibration
Approx. 0.12 g (ST-4EA, EB, EC, ED, EF)
Approx. 0.22 g (ST-4EG, EH)
10 ~ 2000 Hz, 3 directions, 12 times each
[ Δ R/R ≦ 3 %]
[S.S. ≦ 1 %]
Load life
70 °C, 0.25 W 1000 h
〈Reflow profile for soldering heat evaluation〉
[ Δ R/R ≦ 2 %]
− 55 °C, 2 h
Low temp. operation
High temp. exposure
Immersion seal
[S.S. ≦ 2 %]
[ Δ R/R ≦ 3 %]
[S.S. ≦ 2 %]
125 °C, 250 h
85 °C, 60 s
(°C)
250
Peak : 250 +5
°C
0
No leaks (No continuous bubbles)
Over 230 °C
200
150
Pre Heating Zone
180 °C
150 °C
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.)
[ Δ R/R ≦ 1 %]
Soldering heat
90 30 s
100
50
30 10 s
Soldering Zone
ꢀ
Manual soldering：350 ± 10 °C, 3 ~ 4 s
Heating time
Δ R/R：Change in total resistance
S.S. ：Setting stability
ꢀReflow : two times maximum
ST-4
SURFACE MOUNT TRIMMERS
■
MAXIMUM INPUT RATINGS
Nominal resistance values (Ω)
Resistance code
Maximum input voltage (V) Maximum wiper current (mA)
A
A
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
1 k
102
15.8
15.8
2 k
5 k
10 k
20 k
50 k
202
502
103
203
503
22.4
35.4
50.0
70.7
112
11.2
7.07
5.00
3.54
2.24
100 k
104
158
1.58
200 k
500 k
1 M
204
504
105
205
200
200
200
200
1.00
0.40
0.20
0.10
The products indicated by A
mark are manufactured upon
receipt of order basis.
2 M
■
RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS
(Unit: mm)
● ST-4EA
● ST-4EB
● ST-4ED
2
2
2
0
0
0
1.6
1.6
1.6
1.6
1.6
1.6
2.35
2.35
2.35
2
● ST-4EG
● ST-4EH
2
0
0
1.6
1.6
Note) The zero point is the center of mounting.
1.6
1.6
2.35
2.35
ST-4
SURFACE MOUNT TRIMMERS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.3 (Unit: mm)
①
③
CW rotation
● ST-4EA
②
Top adjustment
※
Note the terminal position.
0.6 W × 2.3 L × 0.5 D
2
1.2
Resistance code &
Production date code
Lead-free Identification mark
t = 0.15
2 – 0.8
1
3
2.35
2.3
5
● ST-4EB
Top adjustment
0.6 W × 2.3 L × 0.5 D
1.2
Resistance code &
Production date code
2
Lead-free Identification mark
2 – 0.8
1
3
2.35
2.3
5
t = 0.15
● ST-4EC
Top adjustment
0.6 W × 2.3 L × 0.5 D
3 – 0.6
2
Resistance code &
Production date code
Lead-free Identification mark
1
3
2.54
2.3 4 1
5
t = 0.15
● ST-4EG
Side adjustment
0.6 W × 2.3 L × 0.5 D
2.35
2 – 0.8
4.5
5
Resistance code &
Production date code
3
1
2
Lead-free Identification mark
1.2
t = 0.15
ST-4
SURFACE MOUNT TRIMMERS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.3 (Unit: mm)
①
③
CW rotation
● ST-4EH
②
Side adjustment
※
Note the terminal position.
0.6 W × 2.3 L × 0.5 D
2.35
2 – 0.8
Resistance code &
Production date code
4.5
5
1
3
Lead-free Identification mark
2
0.8
1.2
t = 0.15
6.1
● ST-4ED
＜
Semi-standard products
＞
Rear adjustment
0.6 W × 2.3 L × 0.5 D
1.2
2
Resistance code &
Production date code
Lead-free Identification mark
2 – 0.8
t = 0.15
1
3
2.35
5
2.3
2.8
● ST-4EF
Rear adjustment
＜
Semi-standard products ＞
0.6 W × 2.3 L × 0.5 D
3 – 0.6
2
Resistance code &
Production date code
Lead-free Identification mark
t = 0.15
2.5 0.5
2.3
1
2.54
3
5
● ST-42E
CROSS SLOT DIMENSION
0.6 W × 2.3 L × 0.5 D
Cross slot screwdriver 0 bit : 0.8 D
ST-4
SURFACE MOUNT TRIMMERS
■
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.
● ST-4ETA, ETB and ETD versions are boxed with 4 reels (2000 pcs.).
ST-4ETG and ETH versions are 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
13 +1 (ETA/ETB)
0
13.4 1(ETG/ETH)
End
Head
21 0.8
2 0.5
40 mm min.
20 pitches min.
Leader
400 mm min.
Direction of feed
13 0.2
15.4 1 (ETA/ETB/ETD)
17.4 1 (ETG/ETH)
0
180 –1.5 (ST-4ETA/ETB/ETD)
254 2 (ST-4ETG/ETH)
● ST-4ETA/ETB/ETD
● ST-4ETG/ETH
φ
1.5+0.1
0
8 0.1
8 0.1
4 0.1
2 0.1
4 0.1
φ
1.5
0.3 0.1
2 0.05
0.3 0.1
Installation example
(ST-4EG)
Installation example
(ST-4EA)
Ԗ
Lead-free Identification mark
2.7 (ST-4ETA/ETB)
3.4 (ST-4ETD)
6.4
Direction of feed
Direction of feed
<Bulk pack specifications>
● Unit of bulk in a plastic bag is 100 pcs. per pack.
● Boxing of bulk in a plastic bag is performed with
500 pcs. per box.
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