HVR25, HVR37
www.vishay.com
Vishay BCcomponents
Revision: 26-May-14
1
Document Number: 30260
For technical questions, contact: filmresistorsleaded@vishay.com
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
High Ohmic (up to 10 M)/High Voltage (up to 3.5 kV)
Metal Film Leaded Resistors
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.
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
APPLICATIONS
• Power supplies
• Electronic ballast
• White goods
• Television
TECHNICAL SPECIFICATIONS
DESCRIPTION UNIT HVR25 HVR37
Resistance Range 100K to 10M 100K to 10M
Resistance Tolerance %
± 5;
E24 series
± 1;
E24/E96 series
± 5;
E24 series
± 1;
E24/E96 series
Temperature Coefficient ppm/K 200
Climatic Category
(LCT/UCT/days)
55/155/56
Rated Dissipation, P
70
W 0.25 0.5
Maximum Permissible Voltage U
max.
DC
V
1600 3500
RMS 1150 2500
Basic Specification IEC 60115-1
Stability After:
Load (1000 h, P
70
)± (5 % R + 0.1 ± (1.5 % R + 0.1 ± (5 % R + 0.1 ± (1.5 % R + 0.1
Long Term Damp Heat Test (56 days) ± (1.5 % R + 0.1 ± (1.5 % R + 0.1 ± (1.5 % R + 0.1 ± (1.5 % R + 0.1
Soldering (10 s, 260 °C) ± (1 % R + 0.1 ± (1 % R + 0.1 ± (1 % R + 0.1 ± (1 % R + 0.1
