T73
Vishay Sfernice
1/4" Square Single-Turn
Cermet Sealed Trimmers
FEATURES
•
Industrial grade
•
Fully sealed
•
Miniature package
•
Rotor designed for automatic machine adjust interface
•
Withstands harsh environments and immersion cleaning
process
RoHS
COMPLIANT
DIMENSIONS
in millimeters
T73Y
Top adjust
T73YP
T73YE
T73YU
T73YB
6.6
Ø
0.46
7
3.8
5.46 ± 0.38
4.7
2.
54
2.54*
3
2.54*
2
Base
level
2.54
1
3.53
2.54*
2
2.54*
3
2.54*
2.54*
3
2
2.54*
1
3.53
2.
54
2
1
3.53
4.06 ± 0.38
3
1
T73X
Side adjust
T73XX
Ø 0.46 ± 0.05
7
3.8
1.02
3
2.54* 2
2.54* 1
2.54*
1.02
1
2.54* 2
2.54* 3
2.29
2.54
1
2.54* 2
2.54* 3
4.7
T73XH
T73XW
6.6
5.46 ± 0.38
Base
level
4.7
4.7
Tolerances unless otherwise specified ± 0.25 mm
Cruciform slot Ø 3
long 2.77, wide 0.64 - deep 0.89
CIRCUIT DIAGRAM
a
(1)
b
(2)
cw
c
(3)
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For technical questions, contact: sfer@vishay.com
See also: Application notes
Document Number: 51016
Revision: 24-Jan-07
T73
1/4" Square Single-Turn
Cermet Sealed Trimmers
Vishay Sfernice
ELECTRICAL SPECIFICATIONS
Resistive Element
Electrical Travel
Resistance Range
Standard Series
Tolerance Standard
Power Rating
Temperature Coefficient
Limiting Element Voltage
Contact Resistance Variation
Absolute Minimum Resistance
Adjustability
Resolution
Insulation Resistance (500 V DC)
Dielectric Strength
Linear
Logarithmic
Cermet
240° nominal
10
Ω
to 2 MΩ
1-2-5
± 10 %
0.5 W at 70 °C
not applicable
± 100 ppm/°C
300 V
1 % or 3
Ω
max. whichever is greater
1 % or 2
Ω
max. whichever is greater
± 0.05 % voltage
± 0.15 % resistance
infinite
10
3
MΩ minimum
900 Vac sea level
350 Vac 80 000 feet
MECHANICAL SPECIFICATIONS
Mechanical Travel
Operating Torque (max. Ncm)
End Stop Torque (max. Ncm)
Unit Weight (max. g)
270°
2.1
4.9
0.6
POWER RATING CHART
0.50
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
- 55 °C to + 125 °C
Climatic Category
55/100/56
Seal Test
85 °C Fluorinert**
Flammability
UL 94-VO
** Fluorinert is a registered trademark of 3M Co.
POWER IN WATT
0.25
0
0
20
40
60
70
100
125
140
AMBIENT TEMPERATURE IN DEGREES CELSIUS
PERFORMANCE
TESTS
Load Life
CONDITIONS
1000 hours - 0.5 W at + 70 °C
ΔR
R
ΔR
R
ΔR
R
ΔR
R
ΔR
R
TYPICAL VALUES AND DRIFTS
≤
3%
CRV
ΔV
V
ΔV
V
i.R. 10 MΩ
CRV
<±4%
< 3
Ω
or 3 %
whichever is
greater
< 3
Ω
or 3 %
whichever is
greater
<±1%
≤
±1%
Shock
Vibration
Humidity
100 g
30 g
Mil-STD202 method 103 - 96 hours
<±1%
<±1%
<±2%
Rotational Life
200 cycles
Document Number: 51016
Revision: 24-Jan-07
For technical questions, contact: sfer@vishay.com
See also: Application notes
www.vishay.com
43
T73
Vishay Sfernice
1/4" Square Single-Turn
Cermet Sealed Trimmers
MARKING
Printed: VISHAY trademark, resistance code, terminal
numbers, date code, manufacturer’s model number and style
STANDARD RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE
VALUES
Ω
10
20
50
100
200
500
1K
2K
5K
10K
20K
50K
100K
200K
500K
1M
2M
LINEAR LAW
MAX.
MAX.
POWER WORKING
AT 70 °C VOLTAGE
W
0.5
V
2.2
3.2
5
7.1
10
15.8
22.4
31.6
50
70.7
100
158.1
223.6
300
300
300
300
MAX.
WIPER
CUR.
mA
224
160
100
70
50
32
22
16
10
7.1
5
3.2
2.2
1.5
0.60
0.30
0.15
TCR
- 55 °C
+ 125 °C
ppm/°C
± 100
0.50
0.45
0.18
0.09
0.05
PACKAGING
- In tube by 50 pieces, code TU50
- Tape and reel for model YU, code TR750 and XW, code TR100
ORDERING INFORMATION
T73
SERIES
YP
STYLE
XX
XH
XW
YP
YE
YU
YB
500 kΩ
OHMIC VALUE
± 10 %
TOLERANCE
TU50
PACKAGING
TU50
On request: TR750
TR1000
e3
LEAD FINISH
e3: pure Sn
SAP PART NUMBERING GUIDELINES
T
7
3
Y
P
5
0
4
K
T
2
0
MODEL
STYLE
OHMIC
VALUE
TOL
PACKAGING
CODE
SPECIAL
(IF APPLICABLE)
See the end of this data
book
for conversion tables
www.vishay.com
44
For technical questions, contact: sfer@vishay.com
See also: Application notes
Document Number: 51016
Revision: 24-Jan-07
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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