T7

www.vishay.com

Vishay Sfernice

Revision: 18-Jul-2022

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

ΔRT/RT (%)

ΔR1-2/R1-2 (%)

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 VRMS

Insulation resistance: > 104 M

Ω

± 3 %

Rapid temperature change

5 cycles -55 °C at +125 °C

± 1 %

ΔV1-2/ΔV1-3

≤ ± 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 %

ΔV1-2/ΔV1-3

≤ ± 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 70 °C

MAX. WORKING VOLTAGE

MAX. WIPER CURRENT

Ω

WV

mA

ppm/°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

Ω, kΩ, MΩ)

• Manufacturing date

• Marking of terminal: 3