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VR37 Schematic ( PDF Datasheet ) - Vishay Siliconix

Teilenummer VR37
Beschreibung High Ohmic/High Voltage Resistors
Hersteller Vishay Siliconix
Logo Vishay Siliconix Logo 




Gesamt 6 Seiten
VR37 Datasheet, Funktion
VR37
Vishay BCcomponents
High Ohmic/High Voltage Resistors
A metal glazed film 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 light blue lacquer
which provides electrical, mechanical, and climatic
protection.
The encapsulation is resistant to all cleaning solvents in
accordance with “MIL-STD 202E, method 215” and
“IEC 60068-2-45”.
FEATURES
These resistors meet the safety requirements of:
“UL1676” (range 510 kto 11 M)
”IEC 60065”
”EN60 065”
“BS60065” (U.K.)
“VDE 0860” (Germany)
“CQC” (China)
High pulse loading capability
Small size.
APPLICATIONS
Where high resistance, high stability and high reliability at
high voltage are required
Safety component in combination with high voltage
White goods
High humidity environment
Power supplies.
TECHNICAL SPECIFICATIONS
DESCRIPTION
Resistance range(1)
Resistance tolerance and series
Maximum dissipation at Tamb = 70 °C
Thermal resistance, Rth
Temperature coefficient
Maximum permissible voltage:
DC
RMS
Dielectric withstanding voltage of the insulation for 1 minute
Basic specifications
Safety requirements
Climatic category (IEC 60068)
Stability after:
load (1000 hours)
accelerated damp heat test (6 days)
long term damp heat test (56 days)
Noise
Note
1. Ohmic values (other than resistance range) are available upon request.
VALUE
100 kto 33 M
± 1 %: E24/E96 series;
± 5 %: E24 series
0.5 W
120 K/W
± 200 × 106/K
3500 V
2500 V
700 V
IEC 60115-1B
UL1676 (510 kto 11 M); EN60065; BS60065; VDE 0860;
NFC 92-130
55/155/56
R/R max.: ± 1.5 % + 0.1
R/R max.: ± 1.5 % + 0.1
R/R max.: ± 1.5 % + 0.1
max. 2.5 µV/V
12NC ORDERING CODE INDICATING RESISTOR TYPE AND PACKAGING
TYPE
TAPE
WIDTH
(mm)
TOL.
(%)
ORDERING CODE 2322 242 .....
BANDOLIER IN AMMOPACK
BANDOLIER ON REEL
1 000
units
5000
units
VR37
52
±1
±5
8....
13...
6....
23...
Document Number: 28733
Revision: 24-Feb-04
For technical questions contact: [email protected]
www.vishay.com
1






VR37 Datasheet, Funktion
VR37
Vishay BCcomponents
High Ohmic/High Voltage Resistors
TEST PROCEDURES AND REQUIREMENTS
IEC
60 115-1
CLAUSE
IEC
60 068-2
TEST
METHOD
TEST
PROCEDURE
4.7
voltage proof on insulation
700 V (RMS) during 1 minute; V-block
method
4.12 noise
“IEC publication 60195”
REQUIREMENTS
no breakdown
max. 2.5 µV/V
4.6.1.1
4.13
insulation resistance
short time overload
500 V (DC) during 1 minute; V-block
method
Rins min.: 104 M
room temperature;
dissipation 6.25 × Pn (voltage not more
than 2 × limiting voltage);
10 cycles; 5 s on and 45 s off
R/R max.: ± 2.0 % + 0.05
www.vishay.com
6
For technical questions contact: [email protected]
Document Number: 28733
Revision: 24-Feb-04

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