Precision High Voltage
Planar Resistors
Planar Resistors
Precision High Voltage
PHVP Series
Welwyn Components
·
PHVP Series
5 to 40kV
Voltage ratings
·
Non-inductive, non-magnetic design
Voltage
5 to 40kV
·
Tolerance
ratingsnon-magnetic design
down to 0.1%
Non-inductive,
·
TCR down to 15ppm/°C
Tolerance down to 0.1%
·
VCR down to -0.05ppm/V
TCR down to 15ppm/°C
VCR down to
service available
·
Custom design
-0.05ppm/V
Custom design service
on request
·
SMD versions available
available
SMD versions
pads available
·
Gold bondable
available on request
Gold bondable
·
RoHS compliant
pads available
RoHS compliant
Electrical Data
Power rating at 25C
Limiting element voltage in air
Limiting element voltage in oil*
Resistance value min
Resistance value max
Resistance tolerance
TCR (25°C to 75°C)
Standard values
Ambient temperature range
Insulation resistance at 500V
Dielectric strength of insulation
PHVP
watts
kV
kV
ohms
ohms
%
ppm/C
C
ohms
volts
5
1
5
10
3G
7
0.8
7
14
1G
7B
1
7
14
10
1
10
20
10B
1.3
10
20
10C
2
10
20
15
1.5
15
30
15B
2
15
30
15C
3
15
30
20
2
20
40
20B
3
20
40
20C
4.5
20
40
20G
30
6.5
30
60
30G
40
9
40
80
40G
1K
2G5 1G5 3G5
7G
4G
5G
10G
7G
10G
≤10G: 0.1%, 0.25%, 0.5%, 1%
>10G: 0.25%, 0.5%, 1%
≤10G: 15, 25, 50
>10G: 25, 50
E24 preferred
-55 to +200
>10G
>1000
Physical Data
Type
PHVP5
PHVP7
PHVP7B
PHVP10
PHVP10B
PHVP10C
PHVP15
PHVP15B
PHVP15C
PHVP20
PHVP20B
PHVP20C
PHVP30
PHVP40
L (±0.5)
12.7
20.32
20.32
25.4
25.4
25.4
38.1
38.1
38.1
50.8
50.8
50.8
76.2
101.6
Dimensions in mm, weight in g
B (±0.5)
5.08
3.81
5.08
3.81
5.08
7.62
3.81
5.08
12.7
5.08
6.35
15.24
15.24
15.24
E (Max)
2
2
2.5
2
2.5
2.5
2
2.5
2.5
2
2.5
2.5
3
3
D (±0.5)
10.16
17.78
17.78
22.86
22.86
22.86
35.56
35.56
35.56
48.26
48.26
48.26
73.66
99.06
C (Max)
10
10
35
10
35
35
10
35
35
10
35
35
35
35
Wt. nom
0.22
0.55
0.64
0.59
0.68
0.95
0.71
0.85
1.83
0.96
1.12
2.58
4.83
6.37
Construction
Termination conductors and ruthenium oxide resistive
material are printed in a non-inductive pattern onto the
surface of a 96% alumina substrate. A screen-printed
protection is then applied and terminal wires are then
attached.
Marking
Type reference, resistance value and tolerance are
legend marked. The resistance value code conforms to
IEC 62.
Solvent Resistance
Terminations
General Note
The termination wires are tin coated copper.
The body protection and marking are resistant to all
normal industrial cleaning solvents suitable for printed
circuits.
07.11
Welwyn Components reserves the right to make changes in product specification without notice or liability.
General Note
is subject to Welwyn’s own test data and is considered accurate at time of print.
All information
TT electronics reserves the right to make changes in product specification without notice or liability.
©Welwyn
C omponents L imited
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
Welwyn Electronics Park, Bedlington, Northumberland, NE22 7AA, England. Tel: 01670 822181 Fax: 01670 829465 Web: www.welwyn-tt.com
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
09. 11
© TT electronics plc
Precision High Voltage
Planar Resistors
PHVP Series
Precision High Voltage Planar Resistors
PHVP Series
Performance Data
Load at rated power:
1000 hours at 25C
Overload:
1.5 x rated power not exceeding LEV for 5 seconds
Moisture resistance:
MIL Std. 202, method 106
Thermal shock:
MIL Std. 202, method 107, condition C
Type
PHVP5
PHVP7
PHVP7B
PHVP10
PHVP10B
PHVP10C
PHVP15
PHVP15B
PHVP15C
PHVP20
PHVP20B
PHVP20C
PHVP30
PHVP40
<250M: -0.2
<100M: -0.8
<200M: -0.9
<150M: -0.65
<250M: -0.7
<500M: -0.35
<300M: -0.5
<400M: -0.45
<1G0: -0.2
<500M: -0.35
<600M: -0.35
<1G0: -0.1
<1.5G: -0.07
<2G: -0.05
Typical VCR (ppm/V)
250M to 3G: -3.7
100M to 1G0: -1.5
200M to 2.5G: -2.5
150M to 1.5G: -1.2
250M to 3.5G: -1.8
500M to 7G: -0.9
300M to 4G: -0.9
400M to 5G: -1.2
1G0 to 10G: -0.4
500M to 7G: -0.8
600M to 10G: -0.7
1G0 to 20G: -0.3
1.5G to 30G: -0.2
2G to 40G: -0.15
R%
R%
R%
R%
Maximum
0.25
0.25
0.25
0.2
Derating Curve
Typical
0.1
0.1
0.1
0.1
Proportion of Pr (%)
120
100
80
60
40
20
0
0
25
50
75
100
125
150
175
200
225
Ambient Temperature (°C)
Application Notes
Due to the high voltage, which can appear between the terminations and any adjacent metal part, resistors should be
mounted at an adequate distance from other conductors.
For some ultra-high voltage applications it is required to immerse the components in oil or SF
6
gas or pot them in void-
free silicone compound to reduce corona or surface tracking. The printed protection is suitable for these applications.
The axial termination should not be bent closer than twice the diameter of the terminal wire from the resistor body.
Ordering Procedure
Example: PHVP10 with radial leads at 100 megohms, 0.5% tolerance & ±50ppm/°C TCR:
P H V P 1 0 R C –1 0 0 M D
I
Type
Size
Terminals
R Radial
A Axial
TCR
Y 15ppm/°C
C 50ppm/°C
D
25ppm/°C
Value (use IEC62 code)
Tolerance (use IEC62 code)
C 0.25%
F 1%
B 0.1%
D 0.5%
Packing
I
Bulk Pack
General Note
Standard
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own test data and is considered accurate at time of print.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
Welwyn Electronics Park, Bedlington, Northumberland, NE22 7AA, England. Tel: 01670
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
07.11
Welwyn C omponents L imited
822181 Fax: 01670 829465 Web: www.welwyn-tt.com
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
09. 11
Special Edition for Assessment Centres
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