Production date code & Lead (Pb)-free Identification mark
1 digit (Location reversed every 2 years)
3.6
1.5
0.5
3.5
0.2
1
2
3
CW rotation
Note
the terminal position.
3
Adjustment
2.4
2 - 0.6
1
2
1
2
1.1
1.7
1
4.7
2.6
1.9
Resistance code 2 digits
t = 0.12
2
Document Number: 58009
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
2
ST-32
Vishay
Surface Mount Cermet Trimmers (single turn)
DIMENSIONS
in millimeters
ST-32H, ST-32EH
Side adjustment
Cross slot for a 0 bit driver, depth: 0.45 Production date code & Lead (Pb)-free Identification mark
1 digit (Location reversed every 2 years)
3.6
1.5
3.5
0.5
0.2
Adjustment
3
2.4
2 - 0.6
1.4
1
4.7
2.6
1.9
Resistance code 2 digits
t = 0.12
1
2
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-32TA, ETA, TB and ETB
versions
are
boxed with
4 reels (2000 pcs.). ST-32TG, ETG, TH 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 diagrams
below.
EMBOSSED TAPE DIMENSIONS
Empty
Filled
Empty
REEL DIMENSIONS
(Conforms to JIS C 0806-3)
(In accordance
with
EIAJ ET-7200A)
(Unit: mm)
13
+1
(TA/TB/ETA/ETB)
0
13.4 ± 1 (TG/TH/ETG/ETH)
Ø 21 ± 0.8
40 mm min.
Direction of feed
20 pitches min.
Leader
400 mm min.
2 ± 0.5
Ø 13 ± 0.2
0
Ø 180
-1.5
(ST-32TA/TB/ETA/ETB)
Ø 254 ± 2(ST-32TG/TH/ETG/ETH)
15.4 ± 1 (TA/TB/ETA/ETB)
17.4 ± 1 (TG/TH/ETG/ETH)
ST-32TA, TB, ETA, ETB
1.75 ± 0.1
8
± 0.1
4 ± 0.1
Ø
5
1.
ST-32TG, TH, ETG, ETH
0.3 ± 0.1
2 ± 0.05
2 ± 0.1
.1
+0 0
4 ± 0.1
2
1.75 ± 0.1
8
± 0.1
Ø
2
Ø 60
+1
(TA/TB)
0
Ø
8
0 ± 1 (TG/TH)
End
Head
0.4 ± 0.1
Installation example
(ST-32H, EH)
5.5 ± 0.05
5.5 ± 0.05
12
Installation example
(ST-32A, EA)
2.5
3
1
Direction of feed
5.5 max.
3
1
Direction of feed
Vinyl bag
packaging specifications
Unit of
bulk
in
vinyl bag
packaging is 100 pcs. per pack.
Boxing of
bulk
in
vinyl bags
is performed
with
500 pcs. per
box.
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be submitted upon request.
Document Number: 58009
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
3
12
1.3
1.5
1.7
.1
+0 0
ST-32
Surface Mount Cermet Trimmers (single turn)
Vishay
MECHANICAL SPECIFICATIONS
Mechanical turn
Operating torque
Stop Strength
Rotational life
Thrust to rotor
Solderability
Shear (Adhesion)
Pull-off strength
250
°
(1 turn)
5 mN m {51 gf cm} maximum
20 mN m {204 gf cm} minimum
100 cycles
[ΔR/R
≤
±
(2 Ω
+ 3 %)]
5 N {0.51 kgf} minimum
Sn-Pb: 235
°C,
2 s
Sn-Cu (Lead (Pb)-free): 245 ± 3
°C,
2
∼
3 s
5 N {0.51 kgf} 10 s
5 N {0.51 kgf} 10 s
ENVIRONMENTAL SPECIFICATIONS
Test item
Thermal shock
Test conditions
- 65
∼
125
°C
(0.5 h),
5 cycles
- 10
∼
65
°C
(Relative
humidity 80
∼
98 %),
10 cycles, 240 h
981 m/s
2
, 6 ms
6 directions for 3 times
each
Amplitude 1.52 mm or
Acceleration 196 m/s
2,
10
∼
2000 Hz,
3 directions, 12 times
each
70
°C,
0.125 W, 1000 h
- 55
°C,
2 h
[ΔR/R
≤
1 %]
[S.S.
≤
1 %]
Specifications
[ΔR/R
≤
2 %]
[S.S.
≤
1 %]
[ΔR/R
≤
2 %]
Humidity
Shock
Substrate bending
Width 90 mm, bend 3 mm, 5 s, 1 time
Vibration
ELECTRICAL CHARACTERISTICS
Nominal resistance
range
Resistance tolerance
Power ratings
Resistance law
Maximum input
voltage
Maximum wiper
current
Effective electrical
angle
End resistance
C.R.V.
Operating temp. range
Temp. coefficient
Insulation resistance
Dielectric strength
Net weight
10
Ω ∼
2 MΩ
± 20 %
0.125 W (70
°C)
0 W (125
°C)
Linear law (B)
DC200 V or power rating, whichever is
smaller
100 mA or power rating, whichever is
smaller
210
°
(1 turn)
1 % or 2
Ω,
whichever is greater
1 % or 3
Ω,
whichever is greater
- 55
∼
125
°C
10
Ω ∼
50
Ω:
± 250 10
-6
/°C maximum
100
Ω ∼
2 MΩ: ± 100 10
-6
/°C maximum
1000 MΩ minimum (DC500 V)
AC500 V, 60 s
Approx. 0.05 g (ST-32A, B, EA, EB)
Approx. 0.11 g (ST-32G, H, EG, EH)
Load Life
Low
temperature
operation
High
temperature
exposure
Immersion seal
[ΔR/R
≤
3 %]
[S.S.
≤
1 %]
[ΔR/R
≤
2 %]
[S.S.
≤
2 %]
[ΔR/R
≤
3 %]
[S.S.
≤
2 %]
No leaks (No
continuous bubbles)
125
°C,
250 h
85
°C,
60 s
Sn-Pb
260
°C,
10 s or 215
°C,
35 s
S-Cu
Flow: 260
°C
± 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
Soldering heat
[ΔR/R
≤
1 %]
Reflow profile for soldering heat evaluation
(°C)
250
Temperat
u
re
200
150
100
50
Peak : 250
+5
0
°C
Over 230 °C
180°C
150°C
90 ± 30 s
30 ± 10 s
Heating time
Soldering Zone
Pre Heating Zone
Reflow : two times maximum
Document Number: 58009
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
4
ST-32
Vishay
Surface Mount Cermet Trimmers (single turn)
MAXIMUM INPUT RATINGS
Nominal
resistance
values (Ω)
10*
20*
50
100
200
300
500
1k
2k
3k
5k
10 k
20 k
30 k
50 k
100 k
200 k
500 k
1M
2M
Resistance
code
11
21
51
12
22
32
52
13
23
33
53
14
24
34
54
15
25
55
16
26
Maximum
input voltage
(V)
1.00
1.58
2.50
3.53
5.00
6.12
7.91
11.2
15.8
19.4
25.0
35.4
50.0
61.2
79.1
112
158
200
200
200
Maximum
wiper current
(mA)
100
79.1
50.0
35.4
25.0
20.4
15.8
11.2
7.91
6.45
5.00
3.54
2.50
2.04
1.58
1.12
0.79
0.40
0.20
0.10
CONSTRUCTION
Part Name
1 Wiper
2 Cover
3 Housing
Sn-Pb
4 Terminal pin
Sn-Cu
5 Base element
6 “O” ring
7 Rotor
8 Electrode
9 Resistive element
Material
Multi metal alloy
Stainless steel
(SUS 304)
Epoxy
Copper alloy,
Solder-plated
Copper alloy,
Sn-Cu-plated
Ceramic
Silicone rubber
PPS
(Polyphenylenesulphide)
Ag-Pd cermet
RuO
2
cermet
UL-94HB
UL-94V-0
-
-
-
UL-94V-0
Flammability
CFC’s, Halon, Carbon tetrachloride and designated bromic flame
retardant PBBOs and PBBs are not used in our products.
1
2
7
6
5
3
The products indicated by * mark are manufactured upon
receipt of order basis
4
9
8
LIST OF PART NUMBERS
Form of packing
Taping (reel)
Adjustment
position
Top
adjustment
Side
adjustment
Pieces in package
Shape of terminal
A (J-hook)
B (Gull-wing)
G (J-hook)
H (Gull-wing)
Sn-Pb
ST-32TA
ST-32TB
ST-32TG
ST-32TH
Sn-Cu
(Lead (Pb)-free)
ST-32ETA
ST-32ETB
ST-32ETG
ST-32ETH
500 pcs./reel
Sn-Pb
ST-532A
ST-32B
ST-32G
ST-32H
100 pcs./reel
Vinyl bag
Sn-Cu
(Lead (Pb)-free)
ST-32EA
ST-32EB
ST-32EG
ST-32EH
FIG. 1: NOMINAL RESISTANCE VALUES
10
Ω∗
1 kΩ
50 kΩ
20
Ω∗
2 kΩ
100 kΩ
50
Ω
3 kΩ
200 kΩ
100
Ω
5 kΩ
500 kΩ
200
Ω
10 kΩ
1 MΩ
300
Ω
20 kΩ
2 MΩ
500
Ω
30 kΩ
-
The products indicated by * mark are manufactured upon
receipt of order basis.
* The above part numbers are all available with the
respective combination of <Nominal resitance values>
(Fig.1)
* Verify the above part numbers when placing orders.
* Taping specification is not sold seperately and must be
purchased in reel units.
Document Number: 58009
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
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