27
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 -20 0 20 40 60 80
70
100 120 140 160
Ambient Temperature (°C)
155
RT0402-
RT1206
125
RT1210-RT2512
protective glass
marking layer
resistive layer
inner electrode
inner electrode
Dimensions
Type L W H I
1
I
2
RT0402 1.00 ±0.10 0.50 ±0.05 0.30 ±0.05 0.20 ±0.10 0.25 ±0.10
RT0603 1.60 ±0.10 0.80 ±0.10 0.45 ±0.10 0.25 ±0.15 0.25 ±0.15
RT0805 2.00 ±0.10 1.25 ±0.10 0.50 ±0.10 0.35 ±0.20 0.35 ±0.20
RT1206 3.10 ±0.10 1.60 ±0.10 0.55 ±0.10 0.45 ±0.20 0.40 ±0.20
RT1210 3.10 ±0.10 2.60 ±0.15 0.55 ±0.10 0.50 ±0.20 0.50 ±0.20
RT2010 5.00 ±0.10 2.50 ±0.15 0.55 ±0.10 0.60 ±0.20 0.50 ±0.20
RT2512 6.35 ±0.10 3.20 ±0.15 0.55 ±0.10 0.60 ±0.20 0.50 ±0.20
Features
• High precision - High stability
• LowT.C.R./lownoise
• High accuracy (±0.05%, ±0.1%, ±0.25%, ±0.5%, ±1%)
Chip Resistors Selection Charts
RT - Thin film high precision high stability chip resistors, 0402 to 2512