Flat Type Extremely-Low Resistance Chip Resistor
Hokuriku Electric Industry Co.,Ltd
【Model Number】
ECR**
【Features】
■
Extremely-low resistance (50mΩ½)
chip resistor for current detection
■Reflow, Flow solderings are applicable.
■Europe RoHS compliant product.
【Dimensions】
(Unit: mm)
Model No.
ECR20
ECR32
ECR50
L
3.20±0.10
5.00±0.15
W
1.60±0.10
2.50±0.15
t
0.55±0.10
0.56±0.15
c
0.40±0.20
0.40±0.20
0.25±0.25
d
0.40±0.20
0.55±0.10
0.60±0.25
2.00 +0.20/-0.10 1.25 +0.20/-0.10 0.50 +0.15/-0.05
【Designation】
ECR20
①
-
R051
②
J
③
V
④
①Model No.
Model No.
Size
ECR20
2012
ECR32
3216
ECR50
5025
②Resistance Value
Marking
Resistance
R051
51½Ω
R051=51½Ω
R is decimal point.
③Resistance Tolerance
Symbol
Tolerance
F
±1.0%
J
±5.0%
③Packing Form
Symbol
Form
V
Paper tape
E
Emboss tape
B
Bulk
【Specification】
Model No.
ECR20
ECR32
ECR50
Rated power (W)
at 70℃
Tolerance
F
J
F
J
F
J
(±1.0%)
(±5.0%)
(±1.0%)
(±5.0%)
(±1.0%)
(±5.0%)
Range (Ω)
0.05½0.091
0.05½0.091
0.05½0.091
TCR (ppm/℃)
±100
±100
±100
0.250
0.500
1.000
* Operating temperature range: -55½+155 ℃
【Structure】
No.
1
2
3
4
5
6
7
8
Element Name
Ceramic substrate
Bottom electrode
Conductor
Protective coat Ⅰ
Side electrode
Cu plating
Ni plating
Sn plating
6
1
7
2
3
4
8
5
* Design・specification are subject to change without prior notice. Please check before purchase and use.
HOKURIKU