PHVD15 [TTELEC]
rohs compliant;
TT Electronics 
Resistors
Make Possible
Precision High Voltage
Divider Resistors
PHVD Series
ꢀ Voltageꢀraꢁngsꢀ10ꢀtoꢀ40kV
ꢀ Non-inducꢁve,ꢀnon-magneꢁcꢀdesign
ꢀ Raꢁoꢀtoleranceꢀdownꢀtoꢀ0.1%
ꢀ TCRꢀandꢀtrackingꢀdownꢀtoꢀ25ppm/°C
ꢀ VCRꢀdownꢀtoꢀ-0.05ppm/V
ꢀ Customꢀdesignꢀserviceꢀavailable
ꢀ RoHSꢀcompliant
AllꢀpartsꢀareꢀPb-freeꢀandꢀcomplyꢀwithꢀEUꢀDirecꢁveꢀ2011/65/EUꢀ(RoHS2)
Electrical Data
PHVD10
0.75
10
20
1K – 7G
PHVD15
1.5
15
30
1K – 10G
PHVD20
2.5
20
40
1K – 20G
PHVD30
3.5
30
60
1K – 30G
PHVD40
4.5
40
80
1K – 40G
watts
kV
kV
ohms
%
%
ppm/°C
ppm/°C
Power rating at 25°C
Limiting element voltage in air
Limiting element voltage in oil*
Resistance value
Resistance tolerance
Ratio tolerance
TCR (25°C to 75°C)
Tracking TCR (25°C to 75°C)
Standard values
Ambient temperature range
Insulation resistance at 500V
Dielectric strength of insulation
2.5 x Ratio Tolerance
0.1%, 0.25%, 0.5%, 1%
2.5 x Tracking TCR
25, 50
E24 preferred
-55 to +175
>10G
°C
ohms
volts
>1000
Physical Data
Dimensions in mm, weight in g
L
H
T
P
(±0.5)
P2
Lead
Lead
Dia.
Wt.
nom
Type
(±0.5) (±0.5) (Max)
(±0.5) Length
PHVD10
PHVD15
PHVD20
PHVD30
PHVD40
25.4
38.1
50.8
76.2
7.62
12.7
15.24
15.24
2.5
2.5
2.5
2.5
2.5
22.86
35.56
48.26
73.66
99.06
5.08
7.62
10.16
10.16
10.16
1.12
2.03
2.92
4.98
6.52
0.8
±0.05
30 ±5
101.6 15.24
Construction
Marking
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.
Type reference, resistance value and tolerance are legend
marked. The resistance value code conforms to IEC 62.
Solvent Resistance
The body protection and marking are resistant to all normal
industrial cleaning solvents suitable for printed circuits.
Terminations
The termination wires are tin coated copper.
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
Precision High Voltage
Divider Resistors
Make Possible
PHVD Series
Performance Data
Maximum
0.25
Typical
Load at rated power: 1000 hours at 25°C
0.1
0.1
0.1
0.1
∆R %
∆R%
∆R%
∆R %
Overload: 1.5 x rated power not exceeding LE V for 5 s econds
Moisture resistance: MIL S td. 202, method 106
Thermal shock: MIL S td. 202, method 107, condition C
0.25
0.25
0.2
Derating Curve
Type
Typical VCR (ppm/V)
500 M to 7G 0: -0.9
PHVD10
PHVD15
PHVD20
PHVD30
PHVD40
<500M: -0.35
<1G 0: -0.2
<1G 0: -0.1
<1.5G : -0.07
<2G 0: -0.05
120
1G 0 to 10G: -0.4
1G 0 to 20G: -0.3
1 .5G to 30G : -0.2
2 G 0 to 40G: -0.15
100
80
60
40
20
0
0
25
50
75
100
125
150
175
200
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 gas or pot them in void-free silicone
6
compound to reduce corona or surface tracking. The printed protection is suitable for these applications.
The divider consists of high value R 1 and low value R 2. The voltage division ratio of the divider is given by R atio = R 2 / (R 1 + R 2).
Ordering Procedure
E xample: PHVD15 for a voltage ratio of 1:1000, with R 1 = 99.9 megohms and R 2 = 100 kilohms (total R 1 + R 2 = 100 megohms)
at 25ppm/°C tracking TCR and 0.5% ratio tolerance
P H V D 1 5 D – 1 0 0 M / 1 0 0 K D
Type
S ize
TCR Tracking
C
D
50ppm/°C
25ppm/°C
Total Value R 1 + R 2 (use IE C 62 code)
Low Value R 2 (use IE C 62 code)
Tolerance R atio
C
B
0.25%
0.1%
F
D
1%
0.5%
Packing
Bulk Pack
no code required
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.
www.ttelectronicsresistors.com
© TT Electronics plc
07.14
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