Symbols and terms

A

Area

C

Capacitance

Heat capacity

f

Frequency

I

Current

Maximum current

Rated current

Residual current

PTC current

Residual currrent

Residual currrent in oil (for level sensors)

Residual currrent in air (for level sensors)

Root-mean-square value of current

Switching current

Maximum switching current

LCT

Lower category temperature

N

Number (integer)

P

Power

Maximum power at 25

°C

Electrical power

Dissipation power

Generator internal resistance

Minimum resistance

Rated resistance

Parallel resistance

PTC resistance

Reference resistance

Series resistance

Resistance at 25

°C

Resistance matching per reel/ packing unit at 25

°C

T

Temperature

t

Time

Ambient temperature

Thermal threshold time

Heating elements

Metallized rectangular disks, 12 V

R41

Page 6 of 8

Please read Cautions and warnings and

Important notes at the end of this document.