Flat Type Extremely-Low Resistance Chip Resistor
Hokuriku Electric Industry Co.,Ltd
【Model Number】
ECR**
【Features】
■Extremely-low resistance (50mΩ~) chip resistor for current detection
■Reflow, Flow solderings are applicable.
■Europe RoHS compliant product.
【Dimensions】
(Unit: mm)
Model No.
ECR20
L
W
t
c
d
2.00 +0.20/-0.10 1.25 +0.20/-0.10 0.50 +0.15/-0.05
0.40±0.20
0.40±0.20
0.25±0.25
0.40±0.20
0.55±0.10
0.60±0.25
3.20±0.10
5.00±0.15
1.60±0.10
2.50±0.15
0.55±0.10
0.56±0.15
ECR32
ECR50
【Designation】
ECR20
-
R051
J
V
①
①Model No.
②
③
④
②Resistance Value
Marking Resistance
R051 51mΩ
③Resistance Tolerance
③Packing Form
Model No.
Size
2012
3216
5025
Symbol
Tolerance
±1.0%
±5.0%
Symbol
Form
Paper tape
Emboss tape
Bulk
ECR20
ECR32
ECR50
F
J
V
E
B
R051=51mΩ
R is decimal point.
【Specification】
TCR (ppm/℃)
Model No.
Rated power (W) at 70℃ Tolerance
F (±1.0%)
Range (Ω)
0.250
0.05~0.091
±100
±100
±100
ECR20
ECR32
ECR50
J (±5.0%)
F (±1.0%)
J (±5.0%)
F (±1.0%)
J (±5.0%)
0.500
0.05~0.091
0.05~0.091
1.000
* Operating temperature range: -55~+155 ℃
【Structure】
Element Name
Ceramic substrate
Bottom electrode
Conductor
No.
1
2
4
3
8
6
3
1
Protective coat Ⅰ
Side electrode
Cu plating
4
5
6
7
5
7
2
Ni plating
Sn plating
8
* Design・specification are subject to change without prior notice. Please check before purchase and use.
HOKURIKU