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T18185KT10 [VISHAY]

RESISTOR, TRIMMER, CERMET, 15 TURN(S), 0.5 W, 1800000 ohm, 3/4 INCH, RECTANGULAR, 3 PINS, ROHS COMPLIANT;
T18185KT10
型号： T18185KT10
厂家： VISHAY    VISHAY
描述：

RESISTOR, TRIMMER, CERMET, 15 TURN(S), 0.5 W, 1800000 ohm, 3/4 INCH, RECTANGULAR, 3 PINS, ROHS COMPLIANT

电阻器
文件： 总4页 (文件大小：99K)
中文：  中文翻译
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T18  
Vishay Sfernice  
3/4" Rectangular Multi-Turn Cermet Trimmer  
FEATURES  
• Industrial Grade  
RoHS  
• 0.50 W at 70 °C  
COMPLIANT  
• MIL-R-22097  
• Tests according to CECC 41 000  
Fine pitch screw for  
outstanding setting ability  
High performance  
plastic case  
Large size  
saddle to  
prevent  
Metal collector  
improves power  
dissipation  
back-lash  
Multi-fingered  
wiper for low  
contact  
Thermoplast bottom protects  
track form mechanical stresses  
due to sealing resin  
resistance  
Connections  
soldered to track  
DIMENSIONS in millimeters  
SHAFT  
T18  
1
2
3
0.2  
0.6  
4.7 0.2  
0.8  
1.5 0.5*  
6.4 0.2  
0.6  
4.8 0.2  
Base level  
ø 2.5  
19 0.5  
2.54 0.2*  
4.5 0.5  
3.15 0.5*  
5.1 0.2*  
7.6 0.2*  
* to be measured at base level  
CIRCUIT DIAGRAM  
a
c
(1)  
(3)  
cw  
b
(2)  
Tolerances unless otherwise specified 0.5  
Document Number: 51027  
Revision: 26-Jun-07  
For technical questions, contact: sfer@vishay.com  
www.vishay.com  
79  
T18  
3/4" Rectangular Multi-Turn Cermet Trimmer  
Vishay Sfernice  
ELECTRICAL SPECIFICATIONS  
Resistive Element  
cermet  
Electrical Travel  
15 turns  
1
Resistance Range  
10 Ω to 2.2 MΩ  
Standard series E3  
1 - 2.2 - 4.7 and 1 - 2 - 5  
Tolerance  
Standard  
On Request  
Linear  
10 %  
5 %  
Power Rating  
0.50 W at + 70 °C  
Logarithmic  
not applicable  
Temperature Coefficient  
See Standard Resistance Element Table  
Limiting Element Voltage (Linear Law)  
Contact Resistance Variation  
End Resistance (Typical)  
250 V  
2 % Rn or 1 Ω  
1 Ω  
Dielectric Strength (RMS)  
1000 V  
Insulation Resistance (500VDC)  
106 MΩ  
MECHANICAL SPECIFICATIONS  
POWER RATING CHART  
Mechanical Travel  
18 turns  
2
5
0.75  
Operating Torque (max. Ncm)  
End Stop Torque  
clutch action  
Unit Weight (max. g)  
Wiper (actual travel)  
1
0.50  
0.25  
0
positioned at approx. 50 %  
ENVIRONMENTAL SPECIFICATIONS  
Temperature Range  
Climatic Category  
Sealing  
- 55 °C to + 125 °C  
55/125/56  
fully sealed  
container IP67  
125  
140  
0
20  
40  
60 70 80  
100  
AMBIENT TEMPERATURE IN °C  
PERFORMANCE  
TYPICAL VALUES AND DRIFTS  
TESTS  
CONDITIONS  
ΔRT  
RT  
ΔR1-2  
R1-2  
(%)  
(%)  
1 %  
(3 % + 5 Ω)  
1000 hours at rated power  
90'/30' - ambient temp. 70 °C  
Load Life  
Contact res. variation: < 3 % Rn  
Phase A dry heat 125 °C  
Phase B damp heat  
Phase C cold - 55 °C  
Climatic Sequence  
0.5 %  
1 %  
1 %  
Phase D damp heat 5 cycles  
0.5 %  
Long Term Damp Heat  
56 days  
Dielectric strength: 1000 V RMS  
Insulation resistance: > 104 MΩ  
5 cycles  
- 55 °C at + 125 °C  
ΔV1-2  
V1-3  
Rapid Temperature Change  
Shock  
0.5 %  
≤
1 %  
50 g at 11m secs  
3 successive shocks  
in 3 directions  
(0.2 % + 3 Ω)  
0.3 %  
10 - 55 Hz  
0.75 mm or 10 g  
during 6 hours  
ΔV1-2  
V1-3  
Vibration  
0.2 %  
≤
0.3 %  
(2 % + 3 Ω)  
Rotational Life  
200 cycles  
Contact res. variation: < 2 % Rn  
www.vishay.com  
80  
For technical questions, contact: sfer@vishay.com  
Document Number: 51027  
Revision: 26-Jun-07  
T18  
3/4" Rectangular Multi-Turn Cermet Trimmer  
Vishay Sfernice  
MARKING  
STANDARD RESISTANCE ELEMENT DATA  
Printed :  
- VISHAY trademark  
- model  
LINEAR LAW  
TYPICAL  
TCR  
STANDARD  
RESISTANCE  
VALUES  
MAX.  
MAX.  
MAX.  
WIPER  
CUR.  
- 55 °C  
+ 125 °C  
POWER WORKING  
AT 70 °C VOLTAGE  
- style  
Ω
10  
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  
V
mA  
224  
151  
103  
71  
ppm/°C  
- ohmic value (in Ω, kΩ, MΩ)  
- manufacturing date  
- marking of terminal 3  
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  
22  
47  
100  
220  
470  
1K  
48  
33  
22  
2K2  
4K7  
10K  
22K  
47K  
100K  
220K  
470K  
1M  
15  
100  
10  
7.1  
4.8  
3.3  
2.2  
1.1  
0.5  
0.3  
PACKAGING  
- In tube of 25 pieces, code “TU25”  
ORDERING INFORMATION  
T18  
SERIES  
10 kΩ  
OHMIC VALUE  
10 %  
TOLERANCE  
TU25  
PACKAGING  
e3  
LEAD FINISH  
TU25: Tube  
e3: pure Sn  
SAP PART NUMBERING GUIDELINES  
8
1
0
3
K
T
1
0
T
1
PACKAGING  
SPECIAL  
(IF APPLICABLE)  
OHMIC  
VALUE  
MODEL  
TOL  
CODE  
See the end of this data book for conversion tables  
Document Number: 51027  
Revision: 26-Jun-07  
For technical questions, contact: sfer@vishay.com  
www.vishay.com  
81  
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  
www.vishay.com  
1

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