Datasheet
HVM-Series
High Value Resistors, radial leaded
Sizes: HVM 25, HVM 50
Features:
•
•
•
•
•
•
•
High Voltage Resistors in thick film technology
Radial leads, variable lead spacing by bending
Climatic protection by silicone coating
Chip version available (without coating)
Special versions possible
Resistance values up to 10 Tera-Ohm
Low values of TCR and VCR
Standard Version (radial)
D
Dimensions:
Size
HVM 25
HVM 50
L
25.0
(1”)
50.0
B
9.0
12.5
D
1.4
1.4
R
22.9
(0.9”)
47.8
d
0.40
±
0.05
0.40
±
0.05
L
B
L = length, B = width, D = thickness (Tolerance of dimensions:
±0.5
mm)
20mm
-2mm
+0mm
R = standard lead spacing (other spacing possible by bending)
d = wire diameter (in mm), other diameters possible (changes D)
R
Ø
d
Axial versions, versions with formed leads and
versions with lead frames are available on request.
Special Version (axial)
B
Packaging:
Bulk in plastic bags or boxes
Minimum quantity: 10 pieces per value
35 ... 70 mm
L
35 … 70 mm
The labeling is made at the packing unit only.
Any marking of single components is not available (only on request at individual cases).
Ordering data:
Type – value – tolerance – TCR
Example: HVM 50 10G
±10%
TCR 100
If no requirement for TCR is given, the standard value (highest value in table) will be supplied.
Standard measuring voltage is 10V (50V for values >1G). Different voltages on request and
agreement (specify explicitly).
Specifications subject to change without notice
Issue 06-2011
Fon:
Fax:
E-mail:
Internet:
+49 (0)9103 / 7952-0
+49 (0)9103 / 5128
info@srt-restech.de
www.srt-restech.de
SRT Resistor Technology GmbH
Ostlandstr. 31
D-90556 Cadolzburg
Germany
Datasheet
HVM-Series
High Value Resistors, radial leaded
Sizes: HVM 25, HVM 50
Technical data – depending on size:
Size
Power rating P
70
(W)
(P
125
= 0W)
Working voltage U_, U
eff
(V)
3)
HVM 25
1.0
15 KV
HVM 50
3.0
30 KV
Ranges / Tolerances / TCR
1)
/ VCR
2)
1M – 100M
0.25 / ... / 20%
TC 25/50/100
1 ppm/V
0.25 / … / 20%
TC 25/50/100
2 ppm/V
1 / … / 20%
TC 25/50/100
2 ppm/V
5 / … / 30%
TC 100/250
10 ppm/V
5 / … / 30%
TC 250/500
50 ppm/V
10 / 20 / 30%
TC/VCR
on request
0.25 /.../ 20%
TC 25/50/100
1 ppm/V
0.25 /…/ 20%
TC 25/50/100
1 ppm/V
1 / … / 20%
TC 25/50/100
1 ppm/V
5 / … / 30%
TC 50/100
5 ppm/V
5 / ... / 30%
TC 100/250
25 ppm/V
10 / 20 / 30%
TC/VCR
on request
>100M – 300M
>300M – 1G
>1G – 100G
>100G – 1T
>1T – 10T
1)
2)
TCR: in ppm/K; temperature range +25°C...+125°C; TCR25/50 and values above 1G: temp. range +25°C...+85°C
VCR: typical values
3)
Continuous operating voltage: U =
√(P*R)
Closer
tolerance values, lower TCR and VCR values as well as higher resistance values on request and agreement.
General technical data:
Operating temperature range
Climatic category to EN 60068-1
Humidity- / contact protection
Long term stability
Storage 125°C/1000h
Storage 25°C/1000h
Max. voltage/1000h
4)
-55°C ... +125°C
55/125/56
Lacquer coating
≤
1G
< 0,5%
< 0,1%
< 0,25%
1 - 10G
< 1%
< 0,5%
< 1%
4
)
> 10G
< 2%
< 1%
< 2%
Resistant to most solvents. For cleaning the use of isopropyl alcohol (IPA) is recommended.
The use of acetone and methylene chloride is
not
allowed.
Specifications subject to change without notice
Issue 06-2011
Fon:
Fax:
E-mail:
Internet:
+49 (0)9103 / 7952-0
+49 (0)9103 / 5128
info@srt-restech.de
www.srt-restech.de
SRT Resistor Technology GmbH
Ostlandstr. 31
D-90556 Cadolzburg
Germany
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