43
Vishay Spectrol
3/4" Rectangular (19 mm)
Multi-Turn Cermet Trimmer
FEATURES
•
Panel mount
•
Chevron shaft for sealing and smooth consistent
torque
•
Solder terminations for improved reliability
•
Multi-finger wiper for better C.R.V.
RoHS
COMPLIANT
The Model 43 is manufactured to the highest international
standards. This product, sealed to 85 °C for 1 minute
(IEC. 68-2-17) has an effective travel of 18 turns nominal and
a resistance range of 10
Ω
to 2 MΩ.
DIMENSIONS
in inches (millimeters)
SHAFT
1
0.2
0.6
ø 2.5
0.8
4.7 ± 0.2
6.4 ± 0.2
Base level
4.8 ± 0.2
1.5 ± 0.5*
2
3
0.6
T 601
5.21 ± 0.25
(0.205 ± 0.010)
7.62 ± 0.25
(0.300 ± 0.010)
INTERNAL TOOTH
LOCK WASHER
19 ± 0.5
2.54 ± 0.2*
1.14
(0.045)
10-32 NF HEX NUT
4.5 ± 0.5
3.15 ± 0.5*
5.1 ± 0.2*
7.6 ± 0.2*
Ø 7.01 ± 0.25
(0.276 ± 0.010)
Ø 2.94
(0.116)
THROUGH TO
STD. SHAFT
Ø 4.83
(10-32 NF)
CIRCUIT DIAGRAM
a
(1)
c
(3)
b
(2)
cw
Tolerance unless otherwise specified ± 0.5
Document Number: 57026
Revision: 12-Sep-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
82
43
Vishay Spectrol
3/4" Rectangular (19 mm)
Multi-Turn Cermet Trimmer
ELECTRICAL SPECIFICATIONS
Resistive Element
Electrical Travel
Resistance Range
Standard series E3
Tolerance
Power Rating
Temperature Coefficient
Limiting Element Voltage (Linear Law)
Contact Resistance Variation
End Resistance (Typical)
Dielectric Strength (RMS)
Insulation Resistance (500 VDC)
Standard
On Request
Linear
Logarithmic
cermet
15 turns ± 1
10
Ω
to 2.2 MΩ
1 - 2.2 - 4.7 and 1 - 2 - 5
± 10 %
±5%
0.50 W at + 70 °C
not applicable
See Standard Resistance Element Table
250 V
2 % Rn or 1
Ω
1
Ω
1000 V
10
6
MΩ
MECHANICAL SPECIFICATIONS
Mechanical Travel
Operating Torque (max. Ncm)
End Stop Torque
Unit Weight (max. g)
Wiper (actual travel)
Environmental specifications
Temperature Range
Climatic Category
Sealing
- 55 °C to + 125 °C
55/125/56
fully sealed
container IP67
18 turns ± 5
2
clutch action
1
positioned at approx. 50 %
POWER RATING CHART
0.75
POWER IN W
0.50
0.25
0
0
20
40
60
70
80
100
125
140
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TYPICAL VALUES AND DRIFTS
TESTS
CONDITIONS
1000 hours at rated power
90’/30’ - ambient temp. 70 °C
Phase A dry heat 125 °C
Phase B damp heat
Phase C cold - 55 °C
Phase D damp heat 5 cycles
56 days
5 cycles
- 55 °C at + 125 °C
50 g at 11 m seconds
3 successive shocks
in 3 directions
10 - 55 Hz
0.75 mm or 10 g
during 6 hours
200 cycles
ΔRT
(%)
RT
±1%
Contact res. variation: < 3 % Rn
ΔR
1-2
R
1-2
± (3 % ± 5
Ω)
Load Life
Climatic Sequence
± 0.5 %
±1%
± 0.5 %
Long Term Damp Heat
Dielectric strength: 1000 V
RMS
Insulation resistance: > 10
4
MΩ
± 0.5 %
ΔV
1-2
V
1-3
±1%
Rapid Temperature Change
≤
±1%
Shock
± 0.2 %
ΔV
1-2
V
1-3
± 0.3 %
Vibration
± 0.2 %
± (2 % + 3
Ω)
Contact res. variation: < 2 % Rn
≤
± 0.3 %
Rotational Life
www.vishay.com
83
For technical questions, contact: sfer@vishay.com
Document Number: 57026
Revision: 12-Sep-07
43
3/4" Rectangular (19 mm)
Multi-Turn Cermet Trimmer
STANDARD RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE MAX.
POWER
VALUES
AT 70
°C
Ω
10
22
47
100
220
470
1K
2K2
4K7
10K
22K
47K
100K
220K
470K
1M
W
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.28
0.13
0.06
LINEAR LAW
MAX.
WORKING
VOLTAGE
V
2.24
3.32
4.85
7.07
10.5
15.3
22.4
33.2
48.5
70.7
105
153
224
250
250
250
MAX.
WIPER
CUR.
mA
224
151
103
71
48
33
22
15
10
7.1
4.8
3.3
2.2
1.1
0.5
0.3
± 100
TYPICAL
TCR
- 55
°C
+ 125
°C
ppm/°C
Vishay Spectrol
MARKING
Printed:
- VISHAY trademark
- model
- ohmic value
- manufacturing date
- marking of terminal 3
PACKAGING
– In box of 200 pieces, code BO200
– In tube by 25 pieces, code “TU25”
ORDERING INFORMATION
43P
MODEL AND PIN STYLE
103
EIA RESISTANCE VALUE
T000
SPECIAL
(omit if standard)
T601
- Panel mount
BO200
PACKAGING
on request: TU25
e3
LEAD FINISH
e3: pure Sn
SAP PART NUMBERING GUIDELINES
M
4
3
P
1
0
OHMIC
VALUE
3
K
B
4
PACKAGING
CODE
0
SPECIAL
(IF APPLICABLE)
MODEL
TOL.
See the end of this data book for conversion tables
Document Number: 57026
Revision: 12-Sep-07
For technical questions, contact: sfer@vishay.com
www.vishay.com
84
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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