欢迎访问ic37.com |
会员登录 免费注册
发布采购

UNR4-3825 参数 Datasheet PDF下载

UNR4-3825图片预览
型号: UNR4-3825
PDF下载: 下载PDF文件 查看货源
内容描述: 高稳定温度附近独立性 [High Stability Near Temperature Independency]
分类和应用:
文件页数/大小: 2 页 / 114 K
品牌: WILLOW [ WILLOW TECHNOLOGIES LTD ]
 浏览型号UNR4-3825的Datasheet PDF文件第2页  
USR UNR 4-3425 4-3825 4-3825H
High Stability
Near Temperature
Independency
Lowest Tolerances
Low Capacitance and
Inductance
Customized Resistance
Values
SPECIFICATIONS
ELECTRICAL
Resistance Range
:
USR 4-3425/3825
UNR 4-3425/3825
with addional heatsink 3825H
note
1)
0R05 ... 500R
0R05 ... 500R
other resistance values upon request /
power rating depending on resistor value
3 W (70°C) without heatsink
5 W (20°C) for 3825H
30 W*
50 W*
* with heatsink
3.5 K/W
2.1 K/W
Power Rating
:
Thermal Resistance Rthj-c :
Tolerances
from 0R05
from 10R
from 50R
Stability
:
:
:
:
:
0.1%, 0.25%, 0.5%, 1%
0.05%, 0.1%, 0.25%, 0.5%, 1%
0.01%, 0.02%, 0.05%, 0.1%, 0.25%, 0.5%, 1%
0.01%
max. ±5 ppm/K (-55...155)°C
typ. ±3 ppm/K (-55...125)°C
upon request ±1 ppm/K (0...60)°C
750 VDC
15 A
< 1 µV/K
Temperature Coefficient :
Voltage Proof
Max. Current
Thermal EMF
:
:
:
ENVIRONMENTAL
Operating Temperature Range
:
:
:
:
:
:
-55°C...155°C
NiCr-Foil
Al
2
O
3
AlN
Epoxy + heatsink aluminium
Cu, tinned, 4-pin
1.0 Nm
MECHANICAL
Resistor Material
Substrate
Housing
Connector Material
Max. torque backplate
note
1)
: Specially designed for applications with fast changing electrical load.
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail
sales@willow.co.uk
web
www.willow.co.uk