ST-2TA [NIDEC]
SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN);
| 型号： | ST-2TA |
| 厂家： | 
NIDEC COMPONENTS |
| 描述： | SURFACE MOUNT CERMET TRIMMERS (SINGLE TURN) |
| 文件： | 总5页 (文件大小：86K) |
| 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-2
INTERNAL STRUCTURE
RoHS compliant
8
3
2
6
4
7
1
!
1
9
5
!
0
Flammability
Part name
Material
■
FEATURES
Housing
Epoxy
1
2
3
4
5
6
7
8
9
!
!
UL 94V-0
ꢀꢁRoHS compliant
ꢀꢁCompact and low-profile 2 mm single turn type
ꢀꢁSealed construction
Polyphenylenesulphide
Rotor
□
Wiper
Stainless steel (SUS 304)
Terminal #2
Terminal #1, #3
Cover
Copper alloy, Sn-Cu-plated
—
Stainless steel (SUS 304)
Ceramic
substrate
Pin
Blass, Sn-plated
Silicone rubber
Ag-Pd cermet
“O” ring
UL 94HB
—
Terminations
Resistive element
0
1
RuO cermet
2
■
PART NUMBER DESIGNATION
S T - 2 T A 1 0 0Ω ( 1 0 1 )
Series name
Resistance code
Form of packaging
Resistance value
Taping (Reel)
Blank：Bulk in plastic bag
Product shape (Shape of terminal)
A：J-hook
※ Please refer to the LIST OF PART NUMBERS when placing orders.
ST-2
SURFACE MOUNT TRIMMERS
〈
Nominal resistance values〉
■
LIST OF PART NUMBERS
100 Ω
20 kΩ
200 Ω
50 kΩ
500 Ω
1 kΩ
200 kΩ
2 kΩ
5 kΩ
10 kΩ
Form of packaging
Adjustment
Shape of
terminal
100 kΩ
500 kΩ
1 MΩ
position
Taping (reel)
ST-2TA
Plastic bag
ST-2A
Fig.1
Top adjustment
A (J-hook)
※The part numbers on the left are all available with the respective
combination of <Nominal resistance values> (Fig. 1).
※Verify the above part numbers when placing orders.
※Taping version is not sold separately and must be purchased in reel
units.
Pieces in package
500 pcs./reel
100 pcs./pack
■
ELECTRICAL CHARACTERISTICS
■ MECHANICAL CHARACTERISTICS
Nominal resistance range
Resistance tolerance
Power ratings
100 Ω ~ 1 MΩ
Mechanical angle
Operating torque
Stop strength
270 ° (1 turn)
5 mN·m {51 gf·cm} maximum
8 mN·m {78.4 gf·cm} minimum
50 cycles [ΔR/R ≦ (2 Ω + 5 %)]
3 N {0.31 kgf} minimum
20 %
0.1 W (70 °C) 0 W (125 °C)
(B)ꢀLinear law
Resistance law
Rotational life
Maximum input voltage
Maximum wiper current
Effective electrical angle
End resistance
DC50 V or power rating, whichever is smaller
Thrust to rotor
Solderability
（ꢀꢀꢀꢀꢀ）
I = P/R
A
245 3 °C, 2 ~ 3 s
Within power ratings
240 ° (1 turn)
Shear (Adhesion)
Substrate bending
Pull-off strength
5 N {0.51 kgf} 10 s
1 % or 2 Ω, whichever is greater
2 % or 3 Ω, whichever is greater
−55 ~ 125 °C
Width 90 mm, bend 3 mm, 5 s, 1 time
5 N {0.51 kgf} 10 s
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
{
}
：Reference only
150 10-6/°C
1000 MΩ minimum (DC500 V)
AC500 V, 60 s
Approx. 0.032 g
ST-2
SURFACE MOUNT TRIMMERS
■
ENVIRONMENTAL CHARACTERISTICS
■
MAXIMUM INPUT RATINGS
Test item
Test conditions
Specifications
Nominal resistance
Maximum input
voltage (V)
Maximum wiper
current (mA)
Resistance code
values (Ω)
−65 ~ 125 °C
(0.5 h), 5 cycles
[ΔR/R ≦ 2 %]
[S.S. ≦ 2 %]
Thermal shock
Humidity
100
200
500
101
201
501
3.16
4.47
7.07
31.6
22.4
14.1
−10 ~ 65 °C (80 ~ 98 %),
[ΔR/R ≦ 2 %]
10 cycles, 240 h
981 m/s2, 6 ms
Shock
6 directions for 3 times each
[ΔR/R ≦ 2 %]
[S.S. ≦ 1 %]
1 k
2 k
5 k
10 k
20 k
50 k
102
202
502
103
203
503
10.0
14.1
22.3
31.6
44.7
50.0
10.0
7.1
4.5
3.2
2.2
1.0
(Amplitude) 1.52 mm or
(Acceleration) 196 m/s2,
Vibration
10 ~ 2000 Hz, 3 directions, 12 times each
70 °C, 0.1 W
1000 h
[ΔR/R ≦ 3 %]
[S.S. ≦ 1 %]
[ΔR/R ≦ 2 %]
[S.S. ≦ 2 %]
[ΔR/R ≦ 3 %]
[S.S. ≦ 2 %]
Load life
−55 °C, 2 h
125 °C, 250 h
85 °C, 60 s
Low temp. operation
High temp. exposure
Immersion seal
100 k
200 k
500 k
1 M
104
204
504
105
50.0
50.0
50.0
50.0
0.5
0.25
0.1
No leaks (No continuous bubbles)
0.05
Reflow Peak temperature : 255 °C
(Please refer to the profile below)
Flow soldering
：
Soldering heat
[ΔR/R ≦ 1 %]
260 3 °C, 5 ~ 6 s, two times
maximum
Manual soldering
：
350 10 °C, 3 ~ 4 s
Δ R/R：Change in total resistance
S.S.：Setting stability
Reflow profile for soldering heat evaluation
〉
■
RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS
(Unit : mm)
(C)
250
Peak : 250 +5
C
0
1
Over 230 C
200
150
Pre Heating Zone
180 C
150 C
90 30 s
30 10 s
0
100
50
Soldering Zone
Heating time
Reflow : two times maximum
0.65
0.6
0.65
Note) The zero point is the center of mounting.
ST-2
SURFACE MOUNT TRIMMERS
■
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance : 0.3 (Unit : mm)
ꢀꢁST-2A
Top adjustment
1
3
CW rotation
2
※
Note the terminal position.
Production date code
0.35 W × 1.5 L × 0.3 D
0.7
2
t = 0.1
2 – 0.35
Resistance code
1
3
1.25
2.4
1.7
■
ST-2/ST-32 ADJUSTMENT TOOL
ꢀꢁCompliant with two models (ST-2/ST-32)
Tip thickness 0.4
Tip 1.7 × 1.1
Tip thickness 0.35
Tip 1.4 × 1.4
Recommended models
130
ST-32
ST-2
Material : Polyoxymethylene
1.20
φ
φ
φ
For ST-32
For ST-2
■
Recommended screwdrivers for use
Manufacturer
Model
ENGINEER INC.
DA-54
※
Note : Please do not use the tool for purposes other than adjustment of electronic components.
ST-2
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.
Maximum number of consecutive missing pieces=2
Leader length and reel dimension are shown in the
diagrams below.
ꢀꢁTaping version is boxed with one reel (500 pcs.).
ꢀꢁEMBOSSED TAPE DIMENSIONS
ꢀꢁREEL DIMENSIONS
（Conforms to JIS C 0806-3）
（In accordance with EIAJ ET-7200A）
(Unit: mm)
13 +1
Empty
Filled
Empty
0
φ 21 0.8
2 0.5
End
Head
φ
40 mm min.
20 pitches min.
φ 13 0.2
Direction of feed
400 mm min.
0
φ 180 –1.5
15.4 1
ꢀꢁST-2TA
4 0.1
2 0.05
0.3 0.1
2
Installation example
(ST-2A)
1
3
2.2
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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