OARS Datasheet, PDF (1/3 Pages) Welwyn Components Limited – Surface Mount Sense Resistors

Surface Mount Sense Resistors
OARS, OARS-XP, OARSZ Series
• Flexible leads for thermal expansion
• Open-air design reduces PCB heating
• Values down to 1mΩ
• Element TCR ±20ppm/ºC
• Zero-ohm 65A jumper version
• RoHS compliant
Electrical Data
Power rating at 25°C
Power rating at 85ºC
Resistance range
Resistance Tolerance
Standard Values
(Enquire for unlisted values)
Inductance
Ambient temperature range
watts
watts
ohms
%
OARS1
2
1
R002 to R050
≤ R002: 5, > R002: 1, 5
OARS-XP
4
2
R001 to R025
milliohms 2, 3, 4, 5, 10, 15, 20, 22, 25, 30, 40, 50
1, 2, 2.5, 5, 7.5, 10, 20, 25
nH
<10
°C
-55 to +160
Current rating at 25°C
Current rating at 85°C
Ambient temperature range
amps
amps
°C
OARS-1Z
65
46
-55 to +160
Comments
Zero-ohm jumper
Physical Data
Dimensions (mm) and recommended solder pads
Type
L
H
OARS1 >R003, OARS-1Z
11.18
3.05
±0.76
OARS1-R003
±0.38
3.51
OARS1-R002
11.56
±0.38
±0.76
OARS-XP
10.7 to 2.28 to
12.0* 4.57*
* Dependent on ohmic value
T
2.36
±0.25
D
4.83
±0.76
4.7
±0.76
4.83
±0.76
W a nom. b nom. c nom. d nom.
3.18
±0.38
3.56
±0.38
6.35
±0.38
4.07
4.45
7.24
9.37
9.58
3.07
3.18
3.23
b
c
d
c
a
Issue F .09.07