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ESR Datasheet, PDF (2/8 Pages) Rohm – Anti-surge chip resistors | |||
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ESR series
âChip resistor dimensions and markings
â ESR01/03
â ESR10/18/25
ã ã ã ã ã ã ã Datasheet
<Marking method>
There are three or four digits used for the calculation number
according to IEC code and "R" is used for the decimal point.
Part No.
ESR01
ESR03
(mm)
1005
1608
(inch)
0402
0603
L
1.00 ±0.05
W
0.50 ±0.05
t
0.35 ±0.05
a
0.20 ±0.10
(Unit:mm)
b
0.25
+0.05
-0.10
Marking
existence
No*
1.60±0.10 0.80±0.10 0.45±0.10 0.30±0.20 0.30±0.20
No*
ESR10
2012
0805
2.00±0.10 1.25±0.10 0.55±0.10 0.30±0.20 0.40±0.20
Yes
ESR18
3216
1206
3.20±0.15 1.60±0.15 0.55±0.10 0.30±0.25 0.50±0.25
Yes
ESR25
3225
1210
âLand pattern example
3.20 ±0.15
2.50 ±0.15
0.55 ±0.10
0.30 ±0.25
0.50 ±0.25
Yes
*Onlywith spuare mark
Dimensions
Part No.
A
ESR01
0.5
ESR03
1.0
ESR10
1.2
ESR18
2.2
ESR25
2.2
(Unit:mm)
B
C
D
1.3
0.5
0.4
2.0
0.8
0.5
2.6
1.15
0.70
4.0
1.5
0.9
4.0
2.3
0.9
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2016.12 - Rev.G
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