Document Number: 51009
For technical questions, contact: sfer@vishay.com
www.vishay.com
Revision: 20-Oct-04
21
TSM4
Vishay Sfernice
Surface Mount Miniature Trimmers
Multi-Turn Cermet Sealed
FEATURES
0.25 Watt at 85C
Professional grade
Excellent stability
Wide ohmic range
Low contact resistance variation
Small size for optimum packing density
Suitable for both manual or automatic operation
The TSM4 trimming potentiometer has been designed for
surface mount applications and offers volumetric efficiency
5 x 5 x 3.7 mm
3
with high performance and stability.
The TSM4 design is suitable for both manual or automatic
operation, and can withstand vapor phase and reflow
soldering techniques.
DIMENSIONS
in millimeters
TSM4 YL
TSM4 YJ
TSM4 ZL
TSM4 ZJ
4.8
5.3
1
0.2
1.25
1.25
1 2
3
3 leads
0.6 x 0.15
5.1
3.5
1.3
1.5
slot 0.5 x 0.4
5.1
4.8
5.3
1
0.2
1.25
1.25
1 2
3
3 leads
0.6 x 0.15
3.8
3.5
0.7
1.5
slot 0.5 x 0.4
5.1
6.2
0.2
1.25
1
1.25
1
2
3
3 leads
0.6 x 0.15
3.5
4.8
2.3 min.
2.7
1.5
slot 0.5 x 0.4
4.6
3.7
0.2
1.25
1
1.25
1
2
3
3 leads
0.6 x 0.15
0.8
3.5
4.8
1.2 min.
2.7
1.5
slot 0.5 x 0.4
4.6
3.7
5.1 max.
RECOMMENDED SOLDERING AREAS
CIRCUIT DIAGRAM
1.8
1.3
3.8
2.54
2
2
1.8
1.3
2.9
2.54
1.6
1.6
1.8
1.3
5.3
2.3
1.6
2.3
1.8
1.3
4
2.3
2
2
a
c
b
CW
(2)
(1)
(3)
www.vishay.com
For technical questions, contact: sfer@vishay.com
Document Number: 51009
22
Revision: 20-Oct-04
TSM4
Vishay Sfernice
Surface Mount Miniature Trimmers
Multi-Turn Cermet Sealed
ELECTRICAL SPECIFICATIONS
Resistive Element
Cermet
Electrical Travel
11 turns 2
Resistance Range
10
W
to 1M
W
Standard Series
1 - 2 - 5
Tolerance Standard
10%
Power Rating
Linear
0.25W at + 85C
Logarithmic
not applicable
Temperature Coefficient
See Standard Resistance Element Table
Limiting Element Voltage (Linear Law)
200V
Contact Resistance Variation
1% or 3
W
End Resistance (Typical)
1
W
Dielectric Strength (RMS)
600V
Insulation Resistance
10
6
M
W
MECHANICAL SPECIFICATIONS
Mechanical Travel
13 turns 2
Operating Torque (max. Ncm)
1
End Stop Torque (Ncm)
clutch action
Unit Weight (max. g)
0.15
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
55C to + 125C
Climatic Category
55 / 125 / 56
Sealing
sealed container
solder immersion IP67
POWER RATING CHART
0
20
40
60
85
100
120
140
155
0
0.125
0.25
AMBIENT TEMPERATURE IN DEGREES CELSIUS
RA
TED POWER IN W
A
TT
PERFORMANCE
TESTS
CONDITIONS
TYPICAL VALUES AND DRIFTS
D
D
D
D
RT
RT
(%)
D
D
D
D
R
1-2
R
1-2
(%)
Load Life
1000 hours at rated power
90'/30' - ambient temperature + 85C
2%
3 %
Contact resistance variation:
D
> 1% Rn
Moisture Resistance
MIL STD 202 Method 106
10 cycles of 24 hours constituted
with damp heat - cold - vibrations
2 %
3 %
Dielectric strength: 1000 V RMS
Insulation resistance: > 10
4
M
W
Long Term Damp Heat
Temperature 40C - RH 93 %
56 days
2 %
3 %
Dielectric strength: 1000 V RMS
Insulation resistance: > 10
4
M
W
Thermal Shock
- 55C to + 125C - 5 cycles
1 %
D
V
1-2
V
1-3
2%
Rotational Life (Electrical and Mechanical)
100 cycles - rated power
3 %
Shock
MIL STD 202 Method 213/1
100 g - 6 ms
3 successive shocks in 3 directions
1 %
D
V
1-2
V
1-3
1%
Vibration
MIL STD 202 Method 204/D
20 g - 12 hours
1 %
D
V
1-2
V
1-3
1%
Document Number: 51009
For technical questions, contact: sfer@vishay.com
www.vishay.com
Revision: 20-Oct-04
23
TSM4
Surface Mount Miniature Trimmers
Multi-Turn Cermet Sealed
Vishay Sfernice
MARKING
VISHAY trademark, ohmic value, manufacturing date.
The ohmic value is indicated by a 3 figure code, the first two
digits are significant figures, the third one is the multiplier.
Example:
100 = 10
W
101 = 100
W
102 = 1000
W
503 = 50000
W
SOLDERING RECOMMENDATIONS
Vapor phase: 215C/20 to 40 seconds.
Reflow: 230C/20 seconds.
Do not exceed peak 260C
STANDARD RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE
VALUES
LINEAR LAW
T.C.
55C
+125C
MAX.
POWER
AT 85C
MAX.
WORKING
VOLTAGE
MAX. CUR.
THROUGH
ELEMENT
W
W
W
W
W
V
mA
ppm/C
10
20
50
0.25
1.58
2.23
3.53
158
112
77
0
+ 200
100
200
500
1k
2k
5k
10k
20k
50k
100k
200k
500k
1M
0.2
0.08
0.04
5
7.07
11.2
15.8
22.3
35.3
50
70.7
112
158
200
200
200
50
35
22
15.8
11.2
7.1
5
3.5
2.2
1.6
1
0.4
0.2
100
PACKAGING
In bulk (plastic box of 50 pieces).
On tape and reel on request, by 500 pieces for Z version, or 250 pieces for Y version.
Version Y
Version Z
ORDERING INFORMATION
TSM4
SERIES
YL
STYLE
500K
W
W
W
W
OHMIC VALUE
10%
TOLERANCE
BO50
PACKAGING
On request
BO50
Version Z: code TR500
Version Y: code TR250
178
23
12.7
70
13
2
12
4
2
1.5
12
7.25
1.75
6.46
5.5
0.3
SAP PART NUMBERING GUIDELINES
T
S
M
4
Y
L
5
0
4
K
B
2
5
MODEL
STYLE
OHMIC
VALUE
TOL
PACKAGING
CODE
SPECIAL
(IF APPLICABLE)
See the end of this data book for conversion tables
3.95
0.3
2
4
6.07
8
1.5
1.75
7.25
12
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