LPS300 Просмотр технического описания (PDF) - Vishay Semiconductors

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LPS300

Power Resistor for Mounting onto a Heatsink Thick Film Technology

Vishay Semiconductors 

www.vishay.com

LPS 300

Vishay Sfernice

Power Resistor for Mounting onto a Heatsink

Thick Film Technology

DESIGN SUPPORT TOOLS AVAILABLE

3D 3D

3D Models

FEATURES

• Compliant with requirement #26 of

NF-EN45545-2

• High power 300 W at 85 °C bottom case

temperature

• Wide resistance range: 0.3  to 900 k

E24 series

• Non inductive

• Easy mounting

• Low thermal radiation of the case

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

DIMENSIONS in millimeters

25.8 ± 1

60

36

LPS 300

6K8 5 %

V2

25.2

21.2

15.2

± 0.5

64.7

2 x Ø 4.2

34

57

Note

• Tolerances unless stated: ± 0.2 mm

2 x M4 useful depth: 8

Ø 20

13.6

STANDARD ELECTRICAL SPECIFICATIONS

MODEL

RESISTANCE

RANGE



RATED POWER

P85 °C

W

LIMITING ELEMENT

VOLTAGE UL

V

LPS 300

0.3 to 900K

300

5K

TOLERANCE

±%

1, 2, 5, 10

TEMPERATURE

COEFFICIENT

± ppm/°C

150, 300, 500

CRITICAL

RESISTANCE

()

83.33K

MECHANICAL SPECIFICATIONS

Mechanical Protection

Insulated case UL 94 V-0

Resistive Element

Thick film

Substrate

Alumina

End Connections

Screws M4

Tightening Torque

Connections

2 Nm

Tightening Torque Heatsink

2 Nm

Maximum Torque

2.5 Nm

Weight

83 g ± 10 %

ENVIRONMENTAL SPECIFICATIONS

Temperature Range

-55 °C to 120 °C

Climatic Category

55/120/56

TECHNICAL SPECIFICATIONS

Power Rating and 

Thermal Resistance

Temperature Coefficient

-55 °C / 120 °C

IEC 60115-1

Standard

Dielectric Strength 

IEC 60115-1, 1 min, 

10 mA max.

Lightning test 1.2/50 μs

IEC 61000-4-5

Insulation Resistance

Inductance

Partial Discharge

(for LPS 300 D only)

300 W at + 85 °C

bottom case temperature

RTH (j - c): 0.112 °C/W

R  1 : ± 500 ppm/°C

1  < R  10 : ± 300 ppm/°C

10  < R: ± 150 ppm/°C

7 kVRMS or 12 kVRMS

Until 12 kV

 104 M

 0.1 μH

 100 pC/7 kV

 10 pC/5 kV

Other cases: Consult us

Revision: 05-Jun-2019

1

Document Number: 50052

For technical questions, contact: sferfixedresistors@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

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