ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
FEATURES
•
•
•
•
•
•
•
•
Lead (Pb)-free soldering, Cadmium-free
Wide variety (7 types) to choose from
Automatic mounting is possible (Taping)
Flow/reflow soldering is possible
Sealed construction (Washable)
Stopper structure prevents terminal pin from being open
Cross slot totor suitable for automatic adjustment
RoHS compliant
DIMENSIONS in millimeters
RECOMMENDED P.C.B. PAD OUTLINE DIMENSIONS
ST-4A, 4EA
ST-4B, 4EB
(Unit: mm)
ST-4D, 4ED
2
0
1.6
1.6
1.6
1.6
1.6
1.6
1 .5
2
2
4
0
2
0
5 .6
2
2
1 .5
2
2
2.35
2.35
2.35
ST-4G, 4EG
ST-4H, 4EH
2
2 .8
0 .8
2
0 .8
2
0
1.6
1.6
2.35
3 .3
0 .3
2 .5
0 .3
0
Note) The zero point is the center of mounting.
1.6
1.6
2.35
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be
submitted upon request.
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1
For technical questions contact: copalsupport@vishay.com
Document Number: 58010
Revision: 06-Mar-06
ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
DIMENSIONS in millimeters
Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
OUTLINE DIMENSIONS
1
3
CW rotation
ST-4A, 4EA
Top adjustment
2
* : Note the terminal position.
0.6 W × 2.3 L× 0.5 D
2
1.2
Lead (Pb)-free Identification mark
3
5.2– 00.5
4.5
Resistance code & Production date code
t = 0.15
3
5
1
0.35 min.
ST-4B, 4EB
Top adjustment
0.6 W × 2.3 L× 0.5 D
4.5
5
1
2.3
t = 0.15
0.35 min.
Lead (Pb)-free Identification mark
3
1.2
6.2
Resistance code & Production date code
2
2 - 0.8
2.35
2.3
2 - 0.8
2.35
ST-4C, 4EC
Top adjustment
0.6 W × 2.3 L× 0.5 D
2
5
4.5
3
3 - 0.6
Resistance code & Production date code
Lead (Pb)-free Identification mark
5
1
2.3
2.54
4±1
t = 0.15
ST-4G, 4EG
Side adjustment
5
Resistance code & Production date code
4.5
3
1.45
0.6 W × 2.3 L × 0.5 D
2 - 0.8
2.35
(2.1)
Lead-free Identification mark
t = 0.15
0.95
5.7+ 00.4
3.1
1
2
1.2
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: 58010
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
2
ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
DIMENSIONS in millimeters
OUTLINE DIMENSIONS
Unless otherwise specified, tolerance: ± 0.3 (Unit: mm)
1
3
ST-4H, 4EH
Side adjustment
CW rotation
2
* : Note the terminal position.
0.6 W × 2.3 L × 0.5 D
2.35
Resistance code & Production date code
2 - 0.8
4.5
5
1
5.7+ 00.4
3.1
3
Lead (Pb)-free Identification mark
2
0.8
1.2
6.1
ST-4D, 4ED
Rear adjustment
t = 0.15
0.6 W × 2.3 L× 0.5 D
1.2
Resistance code & Production date code
7.2
4.5
0.5
2
0.5
Lead (Pb)-free Identification mark
3
1
5
2 - 0.8
2.3
2.8
ST-4F, 4EF
Rear adjustment
t = 0.15
0.6 W × 2.3 L × 0.5 D
2
3 - 0.6
6.35
Resistance code & Production date code
4.5
3
2.35
Lead (Pb)-free Identification mark
1
5
2.5 ± 0.5
2.3
t = 0.15
2.54
ST-42, 42E
CROSS SLOT DIMENSION
0.6 W × 2.3 L × 0.5 D
Cross slot screwdriver 0 bit: 0.8 D
Specifications are subject to change without notice. Specifications in this catalog are for reference. The formal specification sheets will be
submitted upon request.
www.vishay.com
3
For technical questions contact: copalsupport@vishay.com
Document Number: 58010
Revision: 06-Mar-06
ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
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-4TA, TB, TD, ETA, ETB and ETD versions are boxed with 4 reels (2000 pcs.).
ST-4TG, TH, ETG 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)
Empty
Filled
(Unit: mm)
Empty
+1
0
Head
40 mm min.
Ø 21 ± 0.8
20 pitches min.
Leader 400 mm min.
2 ± 0.5
+1
Direction of feed
60 0 (TA/TB)
80 ± 1(TG/TH)
End
13 (TA/TB/ETA/ETB)
13.4 ± 1 (TG/TH/ETG/ETH)
Ø 13 ± 0.2
15.4 ± 1(TA/TB/TD/ETA/ETB/ETD)
17.4 ± 1 (TG/TH/ETG/ETH)
0
Ø 180 -1.5 (ST-4TA/TB/TD/ETA/ETB/ETD)
Ø 254 ± 2 (ST-4TG/TH/ETG/ETH)
ST-4TA/TB/TD/ETA/ETB/ETD
4 ± 0.1
+0
0 .1
Installation example
(ST-4A/EA)
0.3 ± 0.1
Installation example
(ST-4G/EG)
12
2 ± 0.1
1.5
1.75 ± 0.1
0.3 ± 0.1
5.5 ± 0.1
Ø 1.5
5.5 ± 0.05
4 ± 0.1
Ø
2 ± 0.05
8 ± 0.1
1.75 ± 0.1
8 ± 0.1
ST-4TG/TH/ETG/ETH
12
Ø 1.5
+0.1
0
Lead (Pb)-free Identification mark
2.7 (ST-4TA/TB/ETA/ETB)
3.4 (ST-4TD/ETD)
Direction of feed
Direction of feed
6.4
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.
Document Number: 58010
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
4
ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
MECHANICAL SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Test item
Mechanical angle
240° (1 turn)
Operating torque
10 mN m {102 gf cm} maximum
Test conditions
Specifications
Thermal shock
- 65 ∼ 125 °C (0.5 h),
5 cycles
Stop strength
30 mN m {306 gf cm} minimum
[ΔR/R ≤ 2 %]
[S.S. ≤ 1 %]
Humidity
- 10 ∼ 65 °C (Relative
humidity 80 ∼ 98 %),
10 cycles, 240 h
Shock
981 m/s2, 6 ms
6 directions for 3 times
each
Vibration
Amplitude 1.52 mm or
Acceleration 196 m/s2,
10 ∼ 2000 Hz, 3
directions, 12 times
each
[ΔR/R ≤ 1%]
[S.S. ≤ 1 %]
ELECTRICAL SPECIFICATIONS
Load Life
70 °C, 0.25 W, 1000 h
[ΔR/R ≤ 3 %]
[S.S. ≤ 1 %]
Nominal resistance
range
Low
temperature
operation
- 55 °C, 2 h
[ΔR/R ≤ 2 %]
[S.S. ≤ 2 %]
High
temperature
exposure
125 °C, 250 h
[ΔR/R ≤ 3 %]
[S.S. ≤ 2 %]
85 °C, 60 s
No leaks (No
continuous bubbles)
Rotational life
100 cycles [ΔR/R ≤ ± (2 Ω + 3 %]
Thrust to rotor
5 N {0.51 kgf} minimum
Solderability
Sn-Pb: 235 °C, 2 s
Sn-Cu (Lead (Pb)-free): 245 ± 3 °C, 2 ∼
3s
Shear (Adhesion)
5 N {0.51 kgf} 10 s
Substrate bending
Width 90 mm, bend 3 mm, 5 s, 1 time
Pull-off strength
5 N {0.51 kgf} 10 s
10 Ω ∼ 2 MΩ
± 20 %
Resistance tolerance
Power ratings
0.25 W (70 °C) 0 W (125 °C)
Resistance law
Linear law (B)
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
1 % or 2 Ω, whichever is greater
C.R.V.
1 % or 3 Ω, whichever is greater
- 55 ∼ 125 °C
Operating temp. range
Insulation resistance
10 Ω ∼ 50 Ω: ± 250 10-6 /°C maximum
100 Ω ∼ 2MΩ: ± 100 10-6 /°C maximum
1000 MΩ minimum (DC500 V)
Dielectric strength
AC500 V, 60 s
Approx. 0.12 g (ST-4A, B, C, D, F, EA,
EB, EC, ED, EF)
Approx. 0.22 g (ST-4G, H, EG, EH)
Net weight
Sn-Pb
260 °C, 10 s or 215 °C,
35 s
210° (1 turn)
End resistance
Temp. coefficient
Immersion seal
Reflow profile for soldering heat evolution
(°C)
250
Peak : 250 0 °C
200
Pre Heating Zone
[ΔR/R ≤ 2 %]
Soldering heat
Sn-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
[ΔR/R ≤ 1 %]
+5
Temperature
Over 230 °C
150
180°C
150°C
90 ± 30 s
100
50
30 ± 10 s
Heating time
Soldering Zone
Reflow : two times maximum
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For technical questions contact: copalsupport@vishay.com
Document Number: 58010
Revision: 06-Mar-06
ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
MAXIMUM INPUT RATINGS
1
Resistance
code
Maximum
input voltage
(V)
Maximum
wiper current
(mA)
10*
100
1.00
100
20*
200
2.00
100
50
500
3.53
70.7
100
101
5.00
50.0
Nominal
resistance
values (Ω)
200
201
7.07
35.4
500
501
11.2
22.4
1k
102
15.8
15.8
2k
202
22.4
11.2
7
6
2
5
3
4
9
8
CONSTRUCTION
Part Name
Material
Flammability
5k
502
35.4
7.07
1
Wiper
Multi metal alloy
10 k
103
50.0
5.00
2
Cover
203
70.7
3.54
Stainless steel
(SUS 304)
-
20 k
50 k
503
112
2.24
3
Housing
Epoxy
UL-94V-O
Sn-Pb
Copper alloy,
Solder-plated
Sn-Cu
Copper alloy,
Sn-Cu-plated
100 k
104
158
1.58
200 k
204
200
1.00
500 k
504
200
0.40
1M
105
200
0.20
5
Base element
2M
205
200
0.10
6
“O” ring
7
Rotor
8
Electrode
Ag-Pd cermet
9
Resistive element
RuO2 cermet
4
The products indicated by * mark are manufactured upon
receipt oforer basis
Terminal pin
-
Ceramic
Silicone rubber
UL-94HB
Polyphenylenesulphide
UL-94V-O
-
CFC’s, Halon, Carbon tetrachloride and designated bromic flame
retardant PBBOs and PBBs are not used in our products.
LIST OF PART NUMBERS
Form of packing
Taping (reel)
Adjustment
position
Shape of terminal
Top adjustment
Rear adjustment
Sn-Pb
Magazine (stick)
Sn (Lead (Pb)-free)
Sn-Pb
Sn (Lead (Pb)-free)
A (J-hook)
ST-4/42TA
ST-4/42ETA
ST-4/42A
ST-4/42EA
B (Gull wing)
ST-4/42TB
ST-4/42ETB
ST-4/42B
ST-4/42EB
C (Through hole pins)
-
-
ST-4/42C
ST-4/42EC
D (Gull-wing)
ST-4/42TD*
ST-4/42ETD*
ST-4/42D*
ST-4/42ED*
F (Through hole pins)
-
-
ST-4/42F*
ST-4/42EF*
G (J-hook)
ST-54/42TG
ST-4/42ETG
ST-4/42G
ST-4/42EG
H (Gull-wing)
ST-4/42TH
ST-4/42ETH
ST-4/42H
ST-4/42EH
Side adjustment
Pieces in package
500 pcs./reel
100 pcs./reel
The products indicated by * mark are manufactured upon receipt of order basis.
* Slot: ST-4
Slot:-42
Document Number: 58010
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
6
ST-4
Vishay
Surface Mount Cermet Trimmers (single turn)
FIG.1: NOMINAL RESISTANCE VALUES
10 Ω∗
20 Ω∗
50 Ω
100 Ω
200 Ω
500 Ω
1 kΩ
2 kΩ
5 kΩ
10 kΩ
20 kΩ
50 kΩ
100 kΩ
200 kΩ
500 kΩ
1 MΩ
2 MΩ
-
Not manufactured
* The above part numbers are all available with the respective combination of (Fig.1)
* Verify the above part numbers when placing orders.
* Taping specification is not sold seperately and must be purchased in reel units.
ORDERING INFORMATION
ST-4
SERIES NAME (MINUS
SLOT)
T
TEMINAL PIN
FORM OF
PACKAGING
A
204
PRODUCT SHAPE (SHAPE
OF TERMINAL)
RESISTANCE CODE
Blank: Sn-Pb
T: Taping (Reel)
A, G: J-hook
E: Sn
(Lead(Pb)-free)
Blank: Bulk in vinyl
bags
B, D, H: Gull wing
C; F: Through hole pins
ORDERING INFORMATION
ST-4 2
SERIES NAME
(CROSS SLOT)
T
TEMINAL
PIN
FORM OF
PACKAGING
A
204
PRODUCT SHAPE (SHAPE
OF TERMINAL)
RESISTANCE CODE
Blank: Sn-Pb
T: Taping (Reel)
A, G: J-hook
E: Sn
(Lead-free)
Blank: Bulk in vinyl
bags
B, D, H: Gull wing
C; F: Through hole pins
This product is manufactured by Copal Electronics Co. Ltd. of Tokyo, Japan and is distributed by Vishay in North and South America only.
This product is not available from Vishay outside of North or South America.
Document Number: 58010
Revision: 06-Mar-06
For technical questions contact: copalsupport@vishay.com
www.vishay.com
7
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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1