Datasheet > VR25000Z01503KR500

VR25000Z01503KR500

更新时间： 2024-11-06 06:02:19

品牌	Logo	应用领域
威世 - VISHAY		高压
页数	文件大小	规格书
7页	334K
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High Ohmic/High Voltage Resistors

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VR25

Vishay BCcomponents

High Ohmic/High Voltage Resistors

FEATURES

• High pulse loading capability

• Small size

• Lead (Pb)-free solder contacts

• Pure tin plating provides compatibility with lead (Pb)-free

and lead containing soldering processes

• Compatible with "Restriction of the use of Hazardous

Substances" (RoHS) directive 2002/95/EC (issue 2004)

APPLICATIONS

• Where high resistance, high stability and high reliability at

high voltage are required

• High humidity environment

• White goods

• Power supplies

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”.

TECHNICAL SPECIFICATIONS

DESCRIPTION

Resistance range¹⁾

VALUE

100 kΩ to 22 MΩ

Resistance tolerance and series:

100 kΩ to 15 MΩ

1 ꢀ: E24/E96 series; 5 ꢀ: E24 series

15 MΩ to 22 MΩ

5 ꢀ: E24 series; 10 ꢀ: E12 series

Maximum dissipation at T_amb= 70 °C

Thermal resistance, R_th

Temperature coefficient

Maximum permissible voltage:

0.25 W

140 K/W

200 × 10^-6/K

≤

1600 V

1150 V

700 V

RMS

Dielectric withstanding voltage of the insulation for 1 minute

Basic specifications

Climatic category (IEC 60068)

Stability after:

IEC 60115-1B

55/155/56

load (1000 hours)

∆R/R max.: 1.5 ꢀ + 0.1 Ω

max. 5 µV/V

accelerated damp heat test (6 days)

long term damp heat test (56 days)

Noise

Note

1. Ohmic values (other than resistance range) are available on request.

12NC INFORMATION

• The resistors have a 12-digit numeric code starting with

2322 241

Last Digit of 12NC Indicating Resistance Decade

RESISTANCE DECADE

LAST DIGIT

• The subsequent:

100 to 976 kΩ

1 to 9.76 MΩ

≥ 10 MΩ

first digit for 1 ꢀ tolerance products (E24 and E96 series)

or 2 digits for 5 ꢀ (E24 series) and 10 ꢀ (E12 series)

indicate the resistor type and packing.

• The remaining digits indicate the resistance value:

– The first 3 digits for 1 ꢀ or 2 digits for 5 and 10 ꢀ

tolerance products indicate the resistance value.

12NC Example

The 12NC for a VR25, resistor value 7.5 MΩ, 5 ꢀ tolerance,

supplied on a bandolier of 1000 units in ammopack, is:

2322 241 13755.

– The last digit indicates the resistance decade.

www.vishay.com

168

For technical questions contact: ff3dresistors@vishay.com

Document Number: 28732

Revision: 06-Dec-05

12 3 4 5 6 7

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