LPS300_15 Datasheet, PDF (1/5 Pages) Vishay Siliconix – Power Resistor for Mounting onto a Heatsink Thick Film Technology

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LPS 300
Vishay Sfernice
Power Resistor for Mounting onto a Heatsink
Thick Film Technology
FEATURES
• 300 W at 85 °C bottom case temperature
• Wide resistance range: 0.3 Ω to 900 kΩ
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
2 x M4 useful depth: 8
34
57
Note
• Tolerances unless stated: ± 0.2 mm
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
RESISTANCE
RANGE
Ω
RATED POWER
P_{85 °C}
W
LIMITING ELEMENT
VOLTAGE U_L
V
LPS 300
0.3 to 900K
300
5K
Ø 20
13.6
TOLERANCE
±%
1, 2, 5, 10
TEMPERATURE
COEFFICIENT
± ppm/°C
150, 300, 500
CRITICAL
RESISTANCE
(Ω)
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
300 W at + 85 °C
bottom case temperature
R_{TH (j - c)}: 0.112 °C/W
R ≤ 1 Ω: ± 500 ppm/°C
1 Ω < R ≤ 10 Ω: ± 300 ppm/°C
10 Ω < R: ± 150 ppm/°C
Dielectric Strength
IEC 60115-1, 1 min,
10 mA max.
7 kV_RMS or 12 kV_RMS
Lightning test 1.2/50 μs
IEC 61000-4-5
Insulation Resistance
Until 12 kV
≥ 10⁴ MΩ
Inductance
≤ 0.1 μH
Partial Discharge
(for LPS 300 D only)
≤ 100 pC/7 kV
≤ 10 pC/5 kV
Other cases: Consult us
Revision: 24-Oct-13
1
Document Number: 50052
For technical questions, contact: [e-mail]
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