unr4-4020 Willow Technologies Ltd, unr4-4020 Datasheet - Page 2

• Manufacturer Part Number: unr4-4020
• Description: Highest Stability Resistors
• Manufacturer: Willow Technologies Ltd

TEMPERATURE COEFFICIENT
DERATING CURVE
DIMENSIONS
HOW TO ORDER
USR 4-4020 0R3 D 0.25% TK3
USR UNR
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail
-200
-400
-600
600
400
200
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
+2,2 ppm/K
0
-5 ppm/K
120
100
80
60
40
20
0
25
-50
4-4020
50
-25
85
from R ≤ 0R1 leads with d=0.8mm
Temperature of the backplate (°C)
0
Tem perature (°C)
100
Dimensions in mm
25
115
50
[e-mail]
75
130
UNR 4-4020 50R D 0.01% TK1
100
145
125
web
155
-1,8 ppm/K
+5 ppm/K
www.willow.co.uk
No minal-Spread
No minal-dR/R
No minal-Spread
+/-2,3 ppm/K
+/-2,3 ppm/K