Resistors
High Voltage Planar Resistors
HVP Series
Excellent reliability
Ideally suited for medical applications
Voltages up to 20kV in air & 40kV in oil
Resistance values up to 10G
Small footprint
Printed or powder coat protection
Planar construction gives low inductance and capacitance
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
Electrical Data
HVP04
Power rating at 70°C in air watts
Power rating at 25°C in oil watts
Resistance range
ohms
Limiting element voltage in air (dc or ac peak) kV
Limiting element voltage in oil (dc or ac peak) kV
TCR (20°C to 70°C) ppm/°C
Resistance tolerance
Values
Ambient temperature range °C
Insulation resistance at 500V ohms
Dielectric strength of insulation volts
Other resistance, tolerance and TCR values are available on request.
Size
HVP04
HVP06
HVP08
HVP10
HVP15
HVP20
TCR(ppm/°C)
100
25
50, 100
25
50, 100
25
50, 100
25
50, 100
25
50, 100
Tolerance (%)
0.25
-
1K5 to 500M
1K5 to 500M
2K0 to 500M
2K0 to 500M
3K0 to 1G0
4K0 to 1G0
5K0 to 1G0
3K0 to 1G0
4K0 to 1G0
5K0 to 1G0
5K0 to 10G
2K0 to 1G0
3K0 to 2G0
4K0 to 5G0
1K5 to 1G0
0.5, 1, 5
1K0 to 250M
%
0.4
0.6
1K0 to 250M
2
4
100
0.5, 1, 5
HVP06
0.6
0.9
1K5 to 1G0
5
10
HVP08
0.8
1.2
2K0 to 1G0
7.5
15
HVP10
1
1.5
3K0 to 2G0
10
20
100, 50, 25
0.25, 0.5, 1, 5
E24 preferred
-55 to 155
>10G
Screen printed protection: >1000 Powder coated: >2000
HVP15
1.5
2.25
4K0 to 5G0
15
30
HVP20
2
3
5K0 to 10G
20
40
Physical Data
Dimensions (mm)
Type
HVP04
HVP06
HVP08
HVP10
HVP15
HVP20
L ±0.75
10.16
12.7
19.05
25.4
38.1
50.8
H ±0.5
7.35
7.35
7.35
7.35
7.35
7.35
T ±0.5
2
2
2
2
2
2
P ±0.5
7.62
10.16
15.24
22.86
35.56
48.26
Wt Nom
0.208g
0.251g
0.352g
0.454g
0.654g
0.854g
LL (±0.25)
9.25
For powder coat option add 0.25mm to L, H & T.
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
08.20
High Voltage Planar Resistors
HVP Series
Construction
Conductor pads are printed to the rear and front faces of a 96% alumina substrate. A specially selected high voltage thick film resistor ink, based on a
ruthenium oxide/glass system, is printed between the front face conductors and then covered in an overglaze before being protected either with powder
coating or a special screen printed material which gives excellent high voltage and climatic performance.
Type, resistance value and tolerance are legend marked in black ink on the rear of the component. The resistance value conforms to IEC 62.
Marking
Solvent Resistance
Terminations
The component protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuit boards
Solder coated phosphor bronze leadframe terminations are solder dipped in SnAgCu and meet the following IEC requirements:
IEC 68.2.21 – Strength
IEC 115-1, Clause 4.17.3.2 – Solderability
Packaging
Packed in foam within a box. See Ordering Procedure for box quantities.
Performance Data
Maximum
Load at rated power: 1000 hours in air at 70°C, or in oil at 25°C
Dry heat: 1000 hours at 155°C
Shelf life: 12 months at room temperature
Derating from power at 70°C in air or 25°C in oil
Climatic
Climatic category
Biased humidity: 1000 hours, 85%RH, 85°C, 10%Pr
Temperature rapid change: 5 cycles -55/155°C
Resistance to solder heat
Moisture resistance: MIL Std. 202, method 106 (powder
coat option)
Solderability
Voltage coefficient of resistance
HVP04, 06, 08
HVP10, 15, 20
ppm/V
ppm/V
-2.5
-1.5
ΔR%
ΔR%
ΔR%
ΔR%
0.25
0.25
0.25
0.25
>95% coverage
-1
-0.5
ΔR%
1
-55/155/56
0.1
0.1
0.02
0.1
ΔR%
ΔR%
ΔR%
1
1
0.3
Zero at 155°C
0.1
Typical
0.1
0.1
<0.1
Application Notes
Due to the high voltage which can appear between the resistor body and any adjacent metal part, resistors should be mounted at an adequate distance
from other conducting parts.
Due to the possibility of surface condensation it is recommended that high voltages are not applied to resistors in areas of high humidity without the
application of suitable moisture resistant lacquer
Design Flexibility
The experience of Welwyn engineers has been used to design this generation of high voltage planar resistors to be suitable for a majority of applications.
However, should an application require particular consideration, Welwyn designers are able to provide advice and where applicable, to recommend a non-
standard product. Special sizes, designs etc, can be prototyped at short notice.
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
08.20
High Voltage Planar Resistors
HVP Series
Ordering Procedure
Ordering Procedure
H
V
P
1
1
Type
HVP04
HVP06
HVP08
P
HVP10
HVP15
HVP20
2
Coating (optional)
screen printed
protection
powder coated
protection
0
6
2
C
3
Example: HVP06C-100MFB016
(HVP06 with screen printed protection, at 50ppm/°C TCR, 100 megohms,
160 pieces)
and 1% tolerance, Pb-free and packed in a box of 160 pieces)
-
1
0
4
3
TCR (optional)
C
D
±100 ppm/°C
±50 ppm/°C
±25 ppm/°C
0
M
F
5
4
Value
B
0
6
5
Tolerance
6
Packing
1
6
Example: HVP06C-100MFB016 (HVP06 with screen printed protection, at 50ppm/°C TCR, 100 megohms, and 1% tolerance, Pb-free and packed in a box of
±5%
3/4 characters J
B02 HVP04 200/box
±1%
B016 HVP06 160/box
K = kilohms F
M = megohms D ±0.5% B012 HVP08 120/box
G = gigohms C ±0.25% B008 HVP10 80/box
B006 HVP15 60/box
B004 HVP20 40/box
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
08.20
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