UD

UD , HD High Voltage Divider Set,
Thick film,Non-Inductive R1 & R2
3RLAB®
Precision High Voltage Dividers,Various Voltage Ratio,High Frequncy; Economic Price
WILLOW offres the UD and HD series to meet the special purpose of requirements High Voltage Dividers at very reasonable
prices. Ultra Precision High Voltage Probes, Precision Multi Channel Input Impedance R1+Rn, Various Precision Voltage
Dividing Equipments. Resistance value up to 10000Gigohm. Voltage up to 80kVDC typ., Power up to 50W, Custom
Voltage Ratio & Voltage Available. Cap(Taps) & Rugs types , Tap to Tap types , Axial wire leads types available.
SPECIFICATIONS
MODELS
Voltage Ratio : 0. 1% ~1.0%
Temperature Coefficient : 100ppm/°C typ.
referenced to 25°C, from -15°C to +105°C,
other TCR available upon requests.
Overload/Voltage : 1.5 x rated power for
5sec : ∆R 0.25%(do not exceed 1.5 x V max)
Thermal Shock : Mil-Std-202, Method107, Cond. C, ∆R 0.25% max.
Load Life : 1.000 hours at rated power
∆R 0.50%
Max.Wrkg
Volt[kV]
Resistance
[Ω ] M a x
R 1 + R 2
Voltage
Ratio
up to
HD10
2
1 0
10,000G
1:20000
HD15
3.5
1 5
10,000G
1:20000
HD22
5
2 2
10,000G
1:20000
HD32
7.5
3 2
10,000G
1:20000
UD40
1 0
4 0
10,000G
1:20000
UD48
1 0
4 8
10,000G
1:20000
UD80
5 0
8 0
10,000G
1:20000
* Custom design
&
Voltage Ratio
available.
DIMENSIONS
Moisture Resistance : Mil-Std-202,
Method 106, ∆R 0.5%.
Insulation Resistance : 10,000Megohms Min.
Termination Cap of Material:Tinned plated
Cap,or Nickel Plated Cap, Bronz Cap
Wattage
Model
N o .
Absolute Resistance Tolerance : 1% typ.
Model
N o .
L
+ / -3
B
+ / -2
d
+ / -2
D
+ / -1
E
+ / -2
F
+ / -1
G
H D 1 0
R1:39
8
N/A
N/A
N/A
N/A
N/A
H D 1 5
R1:52
8
N/A
N/A
N/A
N/A
N/A
H D 2 2
R1:76
8
N/A
N/A
N/A
N/A
N/A
H D 3 2
R1:102
8
N/A
N/A
N/A
N/A
N/A
U D 4 0
158
16
13
12
12.7
5
M4
U D 4 8
180
10
10
12
N/A
N/A
M4
U D 8 0
308
32
18
18
40
7
M8
2)
1) UD48,Aixial Lead wire type available
HD series: independable R1 + R2,
1.0 dia axial
leads
R 2 o f d i m e n s i o n i s 5 d i a x 1 5 , o r 7 d i a x
2 4
a v a i l a b l e
type
DERATING CURVE
Encapsulation : Epoxy Conformal Coat,
Polymer Conformal coat or Glass coat
cf.: The described specifications & dimensions subject to change without notice.
www.3RLab.com
Willow
Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, e-Mail:
RH7 [email protected]
6BL, United Kingdom
3RLAB,INC.
#351-43
CHONWONRI,MADOMYUN,
Tel . + 44
(0) 1342 835234 Fax. + 44 (0) 1342 834306 E-Mail. [email protected]
Web.
www.willow.co.uk
Voice: +82-31-356-6379
HWASUNG-CITY,KYUNGGIDO,KOREA
 2003 Edition.
3RLAB,INC.
Fax : +82-31-356-9127