ST32EB205 [ETC]
TRIMMER 2M OHM 0.125W SMD;
| 型号： | ST32EB205 |
| 厂家： | 
ETC |
| 描述： | TRIMMER 2M OHM 0.125W SMD |
| 文件： | 总6页 (文件大小：723K) |
| 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-32
INTERNAL STRUCTURE
RoHS compliant
1
7
2
6
5
3
4
8
9
Part name
Wiper
Material
■
FEATURES
● RoHS compliant
Multi metal alloy
Stainless steel (SUS 304)
Epoxy
1
2
3
4
5
6
7
8
9
Cover
● Rotor with a cross slot for ease of adjustment
● Leaded terminals provide strong as adhesive strength
against P.C.B. bending
Housing
Terminal pin
Base element
“O” ring
Copper alloy, Sn-Cu-plated
Ceramic
● J-hook, Gull wing and leaded terminal configurations
● Sealed (Washable: Refer to page 698.)
●
Resin materials are UL Recognized 94V-0 or 94V-1 equivalent
Silicone rubber
PPS
Rotor
Polyphenylenesulphide
Electrode
Ag-Pd cermet
Resistive element
RuO cermet
2
■
PART NUMBER DESIGNATION
S T - 3 2 E T A 1 0 0 Ω ( 1 2 )
Series name
Resistance code
Resistance value
Terminal pin
E：Sn-Cu (Lead-free)
Form of packaging
Product shape (Shape of terminal)
T：Taping (Reel)
A：J-hook(Top adjustment)
B：Gull wing(Top adjustment)
G：J-hook (Side adjustment)
H：Gull wing(Side adjustment)
Blank：Bulk in plastic bag
※ Please refer to the LIST OF PART NUMBERS when placing orders.
ST-32
SURFACE MOUNT TRIMMERS
■
LIST OF PART NUMBERS
〈
Nominal resistance values
〉
200
10 k
1 M
A
A
10
1 k
50 k
Ω
20
2 k
100 k
Ω
50
Ω
Ω
100
Ω
Ω
Ω
Ω
300
Ω
Ω
500
Ω
Ω
Form of packaging
Adjustment Shape of
position
Ω
Ω
Ω
Ω
3 k
5 k
Ω
Ω
20 k
30 k
terminal
200 k
Ω
500 k
2 MΩ
Taping (reel)
Plastic bag
Fig.1
J-hook
ST-32ETA
ST-32ETB
ST-32EA
ST-32EB
A (
B (
G (
H (
)
)
)
)
Top
adjustment
The products indicated by A mark are manufactured upon receipt of
order basis.
Gull wing
J-hook
ST-32ETG
ST-32ETH
500 pcs./reel
ST-32EG
※ The part numbers on the left are all available with the respective combination of
<Nominal resistance values> (Fig. 1).
Side
adjustment
Gull wing
ST-32EH
※ Verify the above part numbers when placing orders.
※ Taping specification is not sold separately and must be purchased in reel units.
Pieces in package
100 pcs./pack
■
MECHANICAL CHARACTERISTICS
Mechanical angle
Operating torque
Stop strength
250 ° (1 turn)
5 mN·m {51 gf·cm} maximum
20 mN·m {204 gf·cm} minimum
■
ELECTRICAL CHARACTERISTICS
Rotational life
100 cycles [ Δ R/R ≦ (2
Ω +3 ꢀ)]
Nominal resistance range
Resistance tolerance
Power ratings
10 Ω ~ 2 MΩ
20 ꢀ
Thrust to rotor
Solderability
5 N {0.51 kgf} minimum
245 3 °C, 2 ~ 3 s
5 N {0.51 kgf} 10 s
0.125 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
~ 50 Ω :
250 10-6/°C maximum
[ Δ R/R ≦ 2 ꢀ]
Thermal shock
Humidity
− 65 ~ 125 °C (0.5 h), 5 cycles
[S.S. ≦ 1 ꢀ]
10
100
Ω
Ω
~ 2 MΩ :
100 10-6/°C maximum
Ω minimum (DC500 V)
− 10 ~ 65 °C (80 ~ 98 ꢀ),
[ 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. 0.05 g (ST-32EA, EB)
Approx. 0.11 g (ST-32EG, EH)
10 ~ 2000 Hz, 3 directions, 12 times each
[ Δ R/R ≦ 3 ꢀ]
[S.S. ≦ 1 ꢀ]
Load life
70 °C, 0.125 W, 1000 h
− 55 °C, 2 h
[ Δ R/R ≦ 2 ꢀ]
[S.S. ≦ 2 ꢀ]
Low temp. operation
High temp. exposure
Immersion seal
〈Reflow profile for soldering heat evaluation〉
[ Δ R/R ≦ 3 ꢀ]
125 °C, 250 h
[S.S. ≦ 2 ꢀ]
(°C)
250
Peak : 250 +5
0
°C
No leaks (No continuous bubbles)
85 °C, 60 s
Over 230 °C
200
150
Pre Heating Zone
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
180 °C
150 °C
Soldering heat
[ Δ R/R ≦ 1 ꢀ]
90 30 s
100
50
30 10 s
Soldering Zone
Heating time
Δ R/R：Change in total resistance
S.S. ：Setting stability
ꢀReflow : two times maximum
ST-32
SURFACE MOUNT TRIMMERS
■
MAXIMUM INPUT RATINGS
Nominal resistance
Resistance Maximum input Maximum wiper
values ( Ω )
code
voltage (V)
current (mA)
A
A
10
20
50
100
200
300
500
11
21
51
12
22
32
52
1.00
1.58
2.50
3.53
5.00
6.12
7.91
100
79.1
50.0
35.4
25.0
20.4
15.8
1 k
2 k
3 k
13
23
33
53
14
24
34
54
11.2
15.8
19.4
25.0
35.4
50.0
61.2
79.1
11.2
7.91
6.45
5.00
3.54
2.50
2.04
1.58
5 k
10 k
20 k
30 k
50 k
100 k
200 k
500 k
1 M
15
25
55
16
26
112
158
200
200
200
1.12
0.79
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
● ST-32EA, EG
● ST-32EB, EH
(Unit : mm)
1.6
1.6
0
0
1.2
0.8
3.2
1.2
1.2
0.8
3.2
1.2
For reflow soldering
Note) The zero point is the center of mounting.
ST-32
SURFACE MOUNT TRIMMERS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
①
③
CW rotation
● ST-32EA
②
Top adjustment
※
Note the terminal position.
Cross slot for a 0 bit driver, depth : 0.45
Production date code & Lead-free Identification mark
1 digit (Location reversed every 2 years)
2
1.5
0.5
1
0.6
0.05
2 – 0.7
2.1
3.4
2
t = 0.12
1
3
Resistance code 2 digits
● ST-32EB
Top adjustment
Cross slot for a 0 bit driver, depth : 0.45
Production date code & Lead-free Identification mark
1 digit (Location reversed every 2 years)
2
1.5
0.5
1
0.05
2 – 0.7
2.1
t = 0.12
3.4
2
3
1
Resistance code 2 digits
ST-32
SURFACE MOUNT TRIMMERS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : ± 0.3 (Unit : mm)
①
③
CW rotation
● ST-32EG
②
Side adjustment
※
Note the terminal position.
Cross slot for a 0 bit driver, depth : 0.45
Production date code & Lead-free Identification mark
1 digit (Location reversed every 2 years)
Adjustment
3.6
3
1
1.5
0.5
3.5
0.2
2.4
2 – 0.6
1
t = 0.12
2
Resistance code 2 digits
● ST-32EH
Side adjustment
Cross slot for a 0 bit driver, depth : 0.45
Production date code & Lead-free Identification mark
1 digit (Location reversed every 2 years)
Adjustment
3.6
1.5
0.5
2.4
3
1
3.5
0.2
2 – 0.6
1
t = 0.12
Resistance code 2 digits
2
ST-32
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-32ETA, ETB versions are boxed with 4 reels (2000 pcs.). ST-32ETG, 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 diagrams below.
● EMBOSSED TAPE DIMENSIONS
● REEL DIMENSIONS
（Conforms to JIS C 0806-3）
（In accordance with EIAJ ET-7200A）
(Unit: mm)
Empty
Filled
Empty
13 +10 (ETA/ETB)
13.4 1(ETG/ETH)
End
Head
φ 21 0.8
2 0.5
40 mm min.
20 pitches min.
Leader
400 mm min.
Direction of feed
φ 13 0.2
φ
φ
15.4 1(ETA/ETB)
17.4 1(ETG/ETH)
0
φ 180 –1.5 (ST-32ETA/ETB)
φ 254 2 (ST-32ETG/ETH)
● ST-32ETA, ETB
● ST-32ETG, ETH
8 0.1
0.3 0.1
4 0.1
2 0.05
8 0.1
φ
4 0.1
2
2 0.1
φ
2
0.4 0.1 Installation example
(ST-32EH)
Installation example
(ST-32EA)
1
3
2.5
5.5 max.
3
1
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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