Data Sheet
T7
www.vishay.com
Vishay Sfernice
Revision: 11-Feb-2019
3
Document Number: 51015
For technical questions, contact: sferpottrimmers@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Note
• Nothing stated herein shall be construed as a guarantee of quality or durability
PERFORMANCES
TESTS CONDITIONS
TYPICAL VALUES AND DRIFTS
R
T
/R
T
(%) R
1-2
/R
1-2
(%)
Load life
1000 h at rated power
90'/30' - ambient temperature 70 °C
± 3 %
Contact resistance variation:
< 3 % Rn
± 4 %
Climatic sequence
Phase A dry heat 100 °C
± 2 % ± 3 %
Phase B damp heat
Phase C cold -55 °C
Phase D damp heat 5 cycles
Long term damp heat 56 days
± 2 %
Dielectric strength: 1000 V
RMS
Insulation resistance: > 10
4
M
± 3 %
Rapid temperature change 5 cycles -55 °C at +125 °C ± 1 %
V
1-2
/V
1-3
± 2 %
Shock
50 g - 11 ms
± 0.5 % ± 1 %3 successive shocks
in 3 directions
Vibration
10 Hz to 55 Hz
0.75 mm or 10 g during 6 h
± 0.5 %
V
1-2
/V
1-3
± 1 %
Rotational life 200 cycles
± 3 %
Contact resistance variation:
< 3 % Rn
STANDARD RESISTANCE ELEMENT DATA
STANDARD
RESISTANCE VALUES
LINEAR LAW
TYPICAL TCR
-55 °C to +125 °C
MAX. POWER AT 85 °C MAX. WORKING VOLTAGE MAX. WIPER CURRENT
WVmAppm/°C
10 0.5 2.2 224
± 100
22 0.5 3.3 150
47 0.5 4.8 103
100 0.5 7.0 70
220 0.5 10.5 47
470 0.5 15.3 32
1K 0.5 22.4 22
2.2K 0.5 33.2 15
4.7K 0.5 48.5 10
10K 0.5 70.7 7.0
22K 0.5 105 4.8
47K 0.5 153 3.2
100K 0.5 224 2.2
220K 0.28 250 1.1
470K 0.13 250 1.53
1M 0.06 250 0.25
2.2M 0.028 250 0.11
MARKING
• Vishay trademark
•Model
• YA or YB style
• Ohmic value (in , k, M)
• Manufacturing date
• Marking of terminal: 3





