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PDF HVR25 Data sheet ( Hoja de datos )
| Número de pieza | HVR25 | |
| Descripción | High Ohmic / High Voltage Metal Film Leaded Resistors | |
| Fabricantes | Vishay | |
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HVR25, HVR37
Vishay BCcomponents
High Ohmic (up to 10 M)/High Voltage (up to 3.5 kV)
Metal Film Leaded Resistors
FEATURES
• Technology: Metal film
• High pulse loading (up to 10 kV) capability
• Small size (0207/0411)
• Compatible with lead (Pb)-free and lead
containing soldering processes
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
A homogenous film of metal alloy is deposited on a high
grade ceramic body. After a helical groove has been cut in
the resistive layer, tinned electrolytic copper wires are
welded to the end-caps. The resistors are coated with a
blue, non-flammable lacquer, which provides electrical,
mechanical, and climatic protection.
APPLICATIONS
• Power supplies
• Electronic ballast
• White goods
• Television
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance Range
Resistance Tolerance
Temperature Coefficient
Climatic Category
(LCT/UCT/days)
Rated Dissipation, P70
Maximum Permissible Voltage Umax.
DC
RMS
Basic Specification
Stability After:
Load (1000 h, P70)
Long Term Damp Heat Test (56 days)
Soldering (10 s, 260 °C)
UNIT
%
ppm/K
W
V
HVR25
HVR37
100K to 10M
100K to 10M
± 5;
E24 series
± 1;
E24/E96 series
± 5;
E24 series
± 1;
E24/E96 series
200
55/155/56
0.25 0.5
1600
1150
IEC 60115-1
3500
2500
± (5 % R + 0.1 ± (1.5 % R + 0.1 ± (5 % R + 0.1 ± (1.5 % R + 0.1
± (1.5 % R + 0.1 ± (1.5 % R + 0.1 ± (1.5 % R + 0.1 ± (1.5 % R + 0.1
± (1 % R + 0.1 ± (1 % R + 0.1 ± (1 % R + 0.1 ± (1 % R + 0.1
Revision: 26-May-14
1 Document Number: 30260
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
1 page  
www.vishay.com
HVR25, HVR37
Vishay BCcomponents
TESTS AND REQUIREMENTS
Essentially all tests are carried out in accordance with IEC 60115-1, category 55/155/56 (rated temperature range
- 55 °C to + 155 °C; damp heat, long term, 56 days) and along the lines of IEC 60068-2-xx test method. The tests are carried
out under standard atmospheric conditions according to IEC 60068-1, 5.3 unless otherwise specified. In some instances
deviations from IEC recommendations were necessary for our method of specifying.
PERFORMANCE
IEC
60115-1
CLAUSE
IEC
60068-2-xx
TEST
METHOD
4.8 -
TEST
Temperature
coefficient
4.25.1
- Endurance at 70 °C
4.24
4.23
4.23.2
4.23.3
4.23.4
4.23.6
4.19
78 (Cab)
Damp heat,
steady state
2 (Ba)
30 (Db)
1 (Aa)
30 (Db)
14 (Na)
Climatic sequence
Dry heat
Damp heat,
cyclic
Cold
Damp heat,
(accelerated)
remaining cycles
Rapid change of
temperature
4.13 - Short time overload
4.12
4.16
4.16.2
4.16.3
4.16.4
4.22
-
21 (Ua1)
21 (Ub)
21 (Uc)
Noise
Robustness of
terminations:
Tensile all samples
Bending half number
of samples
Torsion other half of
samples
6 (Fc)
Vibration
PROCEDURE
Between
-55 °C and +155 °C
1000 h;
loaded with P70 or Umax.;
1.5 h ON; 0.5 h OFF
for 5 % tolerance
for 1 % tolerance
56 days; 40 °C;
90 % to 95 % RH
loaded with 0.01 P70
for 5 % tolerance
for 1 % tolerance
16 h, 155 °C
24 h; 25 °C to 55 °C
90 % to 100 % RH; 1 cycle
2 h, -55 °C
5 days; 25 °C to 55 °C
90 to 100 % RH
30 min at LCT;
30 min at UCT;
LCT = -55 °C;
UCT = 155 °C;
5 cycles
Room temperature;
dissipation 6.25 x P70
(voltage not more than 2 x limiting
voltage,
10 000 Vmax.);
10 cycles 5 s ON and 45 s OFF
for 5 % tolerance
for 1 % tolerance
IEC 60195
Load 10 N; 10 s
Load 5 N; 4 x 90°
3 x 360° in opposite direction
Frequency 10 Hz to 500 Hz;
displacement
1.5 mm or acceleration 10 g;
3 directions;
total 6 h (3 x 2 h)
REQUIREMENTS
PERMISSIBLE CHANGE (R)
HVR25
HVR37
200 ppm/K
(5 % R + 0.1 )
(1.5 % R + 0.1 )
(5 % R + 0.1 )
(1.5 % R + 0.1 )
(1.5 % R + 0.1 )
No visual damage
(1 % R + 0.1 )
(2 % R + 0.1 )
(1 % R + 0.1 )
Max. 5 μV/V
Max. 2.5 μV/V
No damage
(1 % R + 0.1 )
(1.0 % R+ 0.1 )
Revision: 26-May-14
5 Document Number: 30260
For technical questions, contact: [email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HVR25.PDF ] | |
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