1/4" Square Single-Turn
Cermet Sealed Trimmers
www.vishay.com
For technical questions, contact: sfer@vishay.com
Document Number: 51016
42
See also: Application notes
Revision: 07-Jun-06
T73
Vishay Sfernice
FEATURES
Industrial grade
Fully sealed
Miniature package
Rotor designed for automatic machine adjust interface
Withstands harsh environments and immersion cleaning
process
DIMENSIONS in millimeters
T73Y
Top adjust
T73YP
2.54
2.54*
2.54*
4.7
2
3
1
3.53
6.6
3.8
0.46
5.46 0.38
Base
level
7
T73YE
2.54*
2
3
1
3.53
2.54*
2.54*
T73YU
1
3
2
2.54*
2.54*
3.53
T73YB
2
2.54
2.54
3
1
4.06 0.38
T73X
Side adjust
T73XX
2.54*
2.54*
2.54*
4.7
1.02
3
2
1
7
3.8
6.6
0.46
5.46
0.38
Base
level
T73XH
2.54*
2.54*
2.54
4.7
1.02
1
2
3
T73XW
2.29
2.54*
2.54*
1
2
3
4.7
Tolerances unless otherwise specified 0.25 mm
Cruciform slot 3
long 2.77, wide 0.64 - deep 0.89
CIRCUIT DIAGRAM
a
c
b
cw
(2)
(3)
(1)
RoHS
COMPLIANT
Document Number: 51016
For technical questions, contact: sfer@vishay.com
www.vishay.com
Revision: 07-Jun-06
See also: Application notes
43
T73
1/4" Square Single-Turn
Cermet Sealed Trimmers
Vishay Sfernice
ELECTRICAL SPECIFICATIONS
Resistive Element
Cermet
Electrical Travel
240 nominal
Resistance Range
10
to 2 M
Standard Series
1 - 2 - 5
Tolerance Standard
10 %
Power Rating
Linear
0.5 W at 70 C
Logarithmic
not applicable
Temperature Coefficient
100 ppm/C
Limiting Element Voltage
300 V
Contact Resistance Variation
1 % or 3
max. whichever is greater
Absolute Minimum Resistance
1 % or 2
max. whichever is greater
Adjustability
0.05 % voltage
0.15 % resistance
Resolution
infinite
Insulation Resistance (500 V DC)
10
3
M
minimum
Dielectric Strength
900 Vac sea level
350 Vac 80 000 feet
MECHANICAL SPECIFICATIONS
Mechanical Travel
270
Operating Torque (max. Ncm)
2.1
End Stop Torque (max. Ncm)
4.9
Unit Weight (max. g)
0.6
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 RATING CHART
0
20
40
100
125
140
70
60
0.25
0
0.50
AMBIENT TEMPERATURE IN DEGREES CELSIUS
POWER IN
W
A
TT
PERFORMANCE
TESTS
CONDITIONS
TYPICAL VALUES AND DRIFTS
Load Life
1000 hours - 0.5 W at + 70 C
R
R
3 %
CRV
< 3
or 3 %
whichever is
greater
Shock
100 g
R
R
< 1 %
V
V
< 1 %
Vibration
30 g
R
R
< 1 %
V
V
1 %
Humidity
Mil-STD202 method 103 - 96 hours
R
R
< 2 %
i.R. 10 M
Rotational Life
200 cycles
R
R
< 4 %
CRV
< 3
or 3 %
whichever is
greater
www.vishay.com
For technical questions, contact: sfer@vishay.com
Document Number: 51016
44
See also: Application notes
Revision: 07-Jun-06
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
LINEAR LAW
TCR
- 55 C
+ 125 C
MAX.
POWER
AT 70 C
MAX.
WORKING
VOLTAGE
MAX.
WIPER
CUR.
W
V
mA
ppm/C
10
20
50
100
200
500
1K
2K
5K
10K
20K
50K
100K
200K
500K
1M
2M
0.5
0.50
0.45
0.18
0.09
0.05
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
224
160
100
70
50
32
22
16
10
7.1
5
3.2
2.2
1.5
0.60
0.30
0.15
100
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
500 k
OHMIC VALUE
10 %
TOLERANCE
TU50
PACKAGING
e3
LEAD FINISH
XX
XH
XW
YP
YE
YU
YM
YB
TU50
On request: TR750
TR1000
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
Legal Disclaimer Notice
Vishay
Document Number: 91000
www.vishay.com
Revision: 08-Apr-05
1
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.
PDF 
ZIP