22
Derating curve Construction
Maximum dissipation (P) in percentage of
rated power as a function of the operating
ambient temperature (T
amb
).
100
80
60
40
20
-55-40 -20020 40 60 80
70
100120 140 160
Ambient Temperature (
C)
155
overcoat
protective glass
resistive layer
inner electrode
termination (Ni / matte tin)
ceramic substrate
inner electrode
marking layer
Dimensions
Type L W H I
1
I
2
RC0805 2.00 ±0.10 1.25 ±0.10 0.50 ±0.10 0.35 ±0.20 0.35 ±0.20
RC1206 3.10 ±0.10 1.60 ±0.10 0.55 ±0.10 0.45 ±0.20 0.40 ±0.20
Features
• Reducedsizeofnalequipment
• Low assembly costs
• Higher component and equipment reliability
• Highohmicvaluesupto100MΩ
• Suitable for power supplies in small equipment
Chip Resistors Selection Charts
RC - Thick film high ohmic chip resistors, 0805 / 1206