46
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 -200 20 40 60 80
70
100120 140 160 180
Ambient Temperature (
C)
155 170
PA, PH series
PE/PF 0402
PR series
PE/PF 0603 ~ 4527
Dimensions
PR series unit: mm
Type Resistance range L W H l
1
l
2
PR1206 1mΩ≤R≤6mΩ 3.20 ±0.25 1.60 ±0.25 0.64 ±0.25 0.50 ±0.25 0.50 ±0.25
PR2010
1mΩ≤R≤3mΩ 5.10 ±0.25 2.54 ±0.25 0.80 ±0.25 1.30 ±0.25 1.30 ±0.25
4mΩ≤R≤100mΩ 5.10 ±0.25 2.54 ±0.25 0.64 ±0.25 0.80 ±0.25 0.80 ±0.25
PR2512
(1)
1mΩ≤R≤2mΩ
6.40 ±0.20 3.20 ±0.20
0.75 ±0.15 1.20 ±0.20 1.20 ±0.20
3mΩ≤R≤5mΩ 0.55 ±0.10 0.60 ±0.20 0.60 ±0.20
PR2512
(2)
0.5mΩ≤R≤4mΩ
6.25 ±0.25 3.30 ±0.25
0.78 ±0.25 1.88 ±0.25 1.88 ±0.25
5mΩ≤R≤75mΩ 0.64 ±0.25 1.11 ±0.25 1.11 ±0.25
PA series unit: mm
Type Resistance range L W H l
1
l
2
PA2512 1mΩ≤R≤10mΩ 6.50 ±0.20 3.20 ±0.20 0.65 ±0.15 0.90 ±0.20 0.90 ±0.20
Note: 1.Applytoorderingcodesendingin“L”
2.Applytoorderingcodesendingin“Z”
Pleasecontactsalesofces,distributorsandrepresentativesinyourregionbeforeordering
Chip Resistors Selection Charts
PR/PA/PF/PH/PE - Current sensors - low T. C. R. chip resistors, 0402 to 4527
PR/PA series
Features
• ExcellentT.C.R.comparedtothicklmlowohmic
• Precision current sensing control
• Excellent performance for current sensing applications
• Ultralowohmicdownto0.0005Ω
Note: constructionwillbeadjustedtoresistance
value (only for PF series).