LPS0300H4R70JB Vishay, LPS0300H4R70JB Datasheet

RESISTOR HEAT SINK 4.7 OHM 300W

LPS0300H4R70JB

Manufacturer Part Number
LPS0300H4R70JB
Description
RESISTOR HEAT SINK 4.7 OHM 300W
Manufacturer
Vishay
Series
LPS 300r
Type
Power Resistor for Mounting onto a Heatsink Thick Filmr
Datasheet

Specifications of LPS0300H4R70JB

Resistance
4.7 Ohms
Power Rating
300 Watts
Temperature Coefficient
±300ppm/°C
Resistance (ohms)
4.7
Power (watts)
300W
Composition
Thick Film
Features
Non-Inductive
Tolerance
±5%
Coating, Housing Type
Silicon Coated
Mounting Feature
Flanges
Size / Dimension
2.547" L x 2.362" W (64.70mm x 60.00mm)
Height
0.598" (15.20mm)
Lead Style
M4 Threaded
Package / Case
Box
Operating Temperature Range
- 55 C to + 120 C
Dimensions
57 mm W x 60 mm L x 25.2 mm H
Resistance Tolerance
± 5%
Resistor Element Material
Thick Film
Resistor Case Style
Heat Sinkable Planar
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LPS 300 H 4U7 5% BO15 E
LPS-4.7A
Note
• Tolerances unless stated: ± 0.2 mm
MECHANICAL SPECIFICATIONS
Mechanical Protection
Resistive Element
Substrate
End Connections
Tightening Torque
Maximum Torque
Weight
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
Climatic Category
Document Number: 50052
Revision: 27-Oct-10
DIMENSIONS in millimeter
60
- On Connections
- On Heatsink
36
2 x Ø 4.2
Power Resistor for Mounting onto a Heatsink
34
57
Insulated case UL 94 V-0
Thick film
Alumina
Screws M4
2 Nm
2 Nm
2.5 Nm
83 g ± 10 %
- 55 °C to 120 °C
55/120/56
LPS 300
6K8 5 %
V2
s
2 x M4 useful depth: 8
For technical questions, contact:
Thick Film Technology
64.7
FEATURES
• 300 W at 85 °C bottom case temperature
• Wide resistance range: 0.3 Ω to 900 kΩ
• Non inductive
• Easy mounting
• Low thermal radiation of the case
• Compliant to RoHS directive 2002/95/EC
ELECTRICAL SPECIFICATIONS
Resistance Range
Tolerances (Standard)
Power Rating and
Thermal Resistance
Temperature Coefficient
- 55 °C/120 °C
IEC 60115-1
Limiting Element Voltage U
Dielectric Strength
IEC 60115-1, 1 min,
10 mA max.
Insulation Resistance
Inductance
Critical Resistance
E24 series
sfer@vishay.com
15.2
21.2
Standard
25.2
L
1 U < R ≤ 10 U: ± 300 ppm/°C
bottom case temperature
10 U < R: ± 150 ppm/°C
R ≤ 1 U: ± 500 ppm/°C
Vishay Sfernice
R
7 kV
TH (j - c)
25.8 ± 1
300 W at + 85 °C
0.3 Ω to 900 kΩ
± 1 % to ± 10 %
RMS
≥ 10
83.33 kΩ
≤ 0.1 µH
: 0.112 °C/W
5 kV
or 12 kV
LPS 300
4
www.vishay.com
13.6
RMS
Ø 20
61

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LPS0300H4R70JB Summary of contents

Page 1

... Limiting Element Voltage U Dielectric Strength IEC 60115-1, 1 min max. Insulation Resistance Inductance Critical Resistance For technical questions, contact: sfer@vishay.com LPS 300 Vishay Sfernice 25.8 ± 1 25.2 21.2 15.2 Ø 20 13.6 0.3 Ω to 900 kΩ ± ± 300 °C bottom case temperature R : 0.112 ° ...

Page 2

... LPS 300 Power Resistor for Mounting onto a Heatsink Vishay Sfernice PERFORMANCE TESTS Momentary Overload Rapid Temperature Change Load Life Humidity (Steady State) Vibration Climatic Sequence RECOMMENDATIONS FOR MOUNTING ONTO A HEATSINK • Surfaces in contact must be carefully cleaned. • The heatsink must have an acceptable flatness: From 0. 0.1 mm/100 mm. ...

Page 3

... ENERGY CURVE 10 000 1000 100 OVERLOAD DURATION IN s MARKING Series, style, ohmic value (in Ω), tolerance (in %), manufacturing date, Vishay Sfernice trademark. ORDERING INFORMATION LPS 300 MODEL STYLE GLOBAL PART NUMBER INFORMATION GLOBAL DIELECTRIC MODEL LPS 300 L = Dielectric strength Dielectric strength 12 kV ...

Page 4

... Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part ...

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