WILLOW HD48

UD, HD
High Voltage Divider Set,
Thick film,Non-Inductive R1 & R2
Precision High Voltage Dividers,Various Voltage Ratio,High Frequency; Economic Price
Willow offers HD and UD series to meet special purpose of requirements High Voltage High Frequency
Functional Precision divider set at reasonable price. Application, ultra precision high voltage probes, multi
channel imput impedance , various kinds of precision voltage - dividing equipments.
DIMENSIONS [mm]
35 ± 5
Model Nr.
Wattage
Max.
Continuous
Oper. Volt[kV]
Resistance
[ ohm ]
R1 + R2
HD10
2
10
10M~10G
HD15
3.5
15
10M~10G
HD22
5
22
10M~10G
HD32
7.5
32
10M~10G
HD48
10
48
10M~10G
B
A
R1 of dimension [mm]
Voltage Ratio
1:100 ~
1: 20000
1:100 ~
1: 20000
1:100 ~
1: 20000
1:100 ~
1: 20000
1:100 ~
1: 20000
C
R1 , R2
tap type
A
B
C
39
8
1.0
available
52
8
1.0
available
76
8
1.0
available
102
9
1.0
available
152
9
1.0
available
* Custom design & Voltage Ratio , Ohmic Value available upon request
* Described Electrical specification for total R-value of 50Megohm to 1Gigohm only
1 ) HD series : independable R1 + R2 , they are 1.0 dia axial leads wire standard , 5 dia x 15 Long , or 7 dia x 24 Long , or custom dimension available
2) HD series : R1 ; tap type and R; tap that is "tap to tap" or " tap to wire " or "wire to wire" 3 styles are available upon request
UD, HD
High Voltage Divider Set,
Thick film,Non-Inductive R1 & R2
Model Nr.
Wattage
Max.
Continuous Oper.
Volt[kV]
UD40
10
40
10M~10G
UD48
10
48
UD80
50
80
Resistance
[ ohm ]
R1+R2
Voltage Ratio
Dimensions in millimeters
L
+/-3
B
+/-2
d
+/-2
D
+/-1
E
+/-2
F
+/-1
G
1:100~
1:20000
158
16
15
12
12.7
5
M4
10M~10G
1:100~
1:20000
180
10
10
12
N/A
N/A
M4
10M~10G
1:100~
1:20000
308
32
32
18
40
7
M6
1) UD48 of R2 ; custom dimension and termination type availalble , R1 R2 are indivisual body , and able to combined by M4 tap
2) UD40 UD80 ; R1 & R2 are in one body
SPECIFICATIONS
DIMENSIONS of UD-series [mm]
Absolute Resistance Tolerance :
1% typ.
Voltage Ratio Tolerance :
0. 1% ~1.0%
Temperature Coefficient :
70ppm/°C typ. , Custom 25ppm/°C 50ppm/°C
referenced to 25°C, from -25°C to +70°C,
other TCR available upon requests.
Overload/Voltage :
1.5 x rated power for 5sec :
DR 0.25%(do not exceed 1.5 x V max)
Thermal Shock :
Mil-Std-202, Method107, Cond. C, DR 0.25% max.
Rated Power or Voltage%
DERATING CURVE
Load Life :
1.000 hours at rated power
DR 0.50%
100
Moisture Resistance :
Mil-Std-202,
Method 106, DR 0.5%.
80
60
Insulation Resistance :
10,000Megohms Min.
40
20
0
25
75125175
Termination Cap of Material :
Tinned plated
Cap,or Nickel Plated Cap, Bronz Cap
Encapsulation :
Epoxy Conformal Coat,
Polymer Conformal coat or Glass coat
Ambient-Temperature (˚C)
cf.: The described specifications & dimensions subject to change without notice.
#604 Hyundai I-Valley ,14-1 Dang-dong , Kunpo City, Kyunggido, Korea
voice
+82-31-429-6379
+82-31-429-9127
Willow Technologies Ltd. Shawlands
Court,
Newchapelfax
Road,
Lingfield, Surrey, RH7 6BL, United Kingdom.
[email protected]
www.3RLab.com
+
44
(0)
1342
834306
[email protected]
http://www.willow.co.uk
+ 44 (0) 1342 835234
2007©3RLab,Inc.