LPS600L47R0GB [VISHAY]
Power Resistor for Mounting onto a Heatsink Thick Film Technology; 功率电阻安装在散热片厚膜工艺型号: | LPS600L47R0GB |
厂家: | VISHAY |
描述: | Power Resistor for Mounting onto a Heatsink Thick Film Technology |
文件: | 总4页 (文件大小:140K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LPS 600
Vishay Sfernice
Power Resistor for Mounting onto a Heatsink
Thick Film Technology
FEATURES
• 600 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
• Compliant to RoHS directive 2002/95/EC
DIMENSIONS in millimeters
25.8
1
LPS 600
6K8 5 %
V2
25.2
21.2
15.2
60
36
64.7
2 x M4 useful depth: 8
2 x Ø 4.2
Ø 20
13.6
34
57
Note
• Tolerances unless stated: 0.2 mm
MECHANICAL SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Mechanical Protection
Resistive Element
Substrate
Insulated case UL 94 V-0
Resistance Range
0.3 Ω to 900 kΩ
Thick film
Alumina
Tolerances (Standard)
1 % to 10 %
600 W at + 85 °C
bottom case temperature
End Connections
Tightening Torque
- On Connections
- On Heatsink
Screws M4
Power Rating and
Thermal Resistance
R
TH (j - c): 0.112 °C/W
2 Nm
Temperature Coefficient
- 55 °C/155 °C
R ≤ 1 U: 500 ppm/°C
1 U < R ≤ 10 U: 300 ppm/°C
10 U < R: 150 ppm/°C
2 Nm
Maximum Torque
Weight
2.5 Nm
83 g 10 %
Standard
IEC 60115-1
Limiting Element Voltage UL
5 kV
ENVIRONMENTAL SPECIFICATIONS
Dielectric Strength
IEC 60115-1, 1 min,
10 mA max.
7 kVRMS or 12 kVRMS
Temperature Range
Climatic Category
- 55 °C to 155 °C
55/155/56
Insulation Resistance
Inductance
≥ 104 MΩ
≤ 0.1 µH
41.66 kΩ
Critical Resistance
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64
For technical questions, contact: sfer@vishay.com
Document Number: 50053
Revision: 27-Oct-10
LPS 600
Power Resistor for Mounting onto a Heatsink
Thick Film Technology
Vishay Sfernice
PERFORMANCE
TESTS
CONDITIONS
REQUIREMENTS
IEC 60115-1
2 x Pr/10 s
Umax. ≤ UL = 5000 V
Momentary Overload
(0.25 % + 0.05 Ω)
(0.5 % + 0.05 Ω)
IEC 60115-1/IEC 60068-2-14 Test Na
50 cycles
Rapid Temperature Change
- 55 °C to + 155 °C
IEC 60115-1
1000 h (90/30) Pr at 85 °C
Load Life
(0.5 % + 0.05 Ω)
(0.5 % + 0.05 Ω)
(0.25 % + 0.05 Ω)
(1 % + 0.05 Ω)
IEC 60115-1
56 days RH 95 %/40 °C
Humidity (Steady State)
Vibration
MIL STD 202 Method 204 Cond. D
(10 g; 5/500 Hz)
IEC 60115-1
(55/155/56)
Climatic Sequence
RECOMMENDATIONS FOR MOUNTING ONTO A HEATSINK
• Surfaces in contact must be carefully cleaned.
• The heatsink must have an acceptable flatness: From 0.05 mm to 0.1 mm/100 mm.
• Roughness of the heatsink must be around 6.3 µm. In order to improve thermal conductivity, surfaces in contact (alumina,
heatsink) should be coated with a silicone grease (type SI 340 from Rhône-Poulenc or Dow 340 from Dow Corning) or a thermal
film (type Q Pad II) easier and faster to install than the grease.
• The fastening of the resistor to the heatsink is under pressure control of two screws tightened at 2 Nm for full power availability.
LPS 300
Tightening Torque on Heatsink
2 Nm
• The following accessories are supplied with each product: 2 screws CHC M4 x 25 class 8.8 and 2 M4 contact lock washers for
heatsink mounting,
2 screws TH M4 x 6/6 and 2 M4 contact lock washers for
connections.
CHOICE OF THE HEATSINK
The user must choose the heatsink according to the working conditions of the component (power, room temperature). Maximum
working temperature must not exceed 155 °C. The dissipated power is simply calculated by the following ratio:
ΔT
---------------------------------------------------------
P =
[RTH (j - c) + RTH (c - a)
]
P:
Expressed in W
ΔT:
RTH (j - c)
Difference between maximum working temperature and room temperature
Thermal resistance value measured between resistive layer and outer side of the resistor. It is the thermal
resistance of the component: (see specifications environmental paragraph).
:
RTH (c - a)
:
Thermal resistance value measured between outer side of the resistor and room temperature. It is the thermal
resistance of the thermal interface, the heatsink (type, shape) and the quality of the fastening device.
Example:
TH (c - a) for LPS 600 power dissipation 180 W at + 50 °C room temperature.
R
ΔT ≤ 155 °C - 50 °C = 105 °C
ΔT
105
---------
= 0.58 °C/W
-------
R
R
R
TH (j - c) + RTH (c - a)
TH (j - c) = 0.112 °C/W
=
=
P
180
TH (c - a) = 0.58 °C/W - 0.112 °C/W = 0.468 °C/W
Document Number: 50053
Revision: 27-Oct-10
For technical questions, contact: sfer@vishay.com
www.vishay.com
65
LPS 600
Power Resistor for Mounting onto a Heatsink
Thick Film Technology
Vishay Sfernice
OVERLOADS
POWER RATING
In any case the applied voltage must be lower than UL = 5000 V.
Short time overload: 2 x Pr/10 s
The temperature of the case should be maintained within the
limits specified in the following figure.
Accidental overload: The values indicated on the following
graph are applicable to resistors in air or mounted onto a
heatsink.
To optimize the thermal conduction, contacting surfaces
should be coated with silicone grease or thermal film, and
heatsink mounting screws tightened to 2 Nm.
ENERGY CURVE
10 000
100
80
60
40
20
0
1000
100
10
1
0.1
0
50
100
150
155
200
10-6
10-5
10-4
10-3
10-2
10-1
1
85
BOTTOM CASE TEMPERATURE IN °C
OVERLOAD DURATION IN s
MARKING
PACKAGING
Box of 15 units
Series, style, ohmic value (in Ω), tolerance (in %),
manufacturing date, Vishay Sfernice trademark.
ORDERING INFORMATION
LPS
600
100 kΩ
1 %
xxx
BO15
e
MODEL
STYLE
RESISTANCE
VALUE
TOLERANCE
CUSTOM
DESIGN
PACKAGING
LEAD (Pb)-FREE
1 %
2 %
5 %
Optional
on request:
Special TCR,
shape etc.
10 %
GLOBAL PART NUMBER INFORMATION
L
P
S
0
6
0
0
H
4
7
R
0
J
B
GLOBAL
MODEL
SPECIAL
DIELECTRIC
OHMIC VALUE
TOLERANCE
PACKAGING
B = Box 15 pieces
LPS 600
L = Dielectric
strength 7 kV
H = Dielectric
strength 12 kV
The first three digits are
significant figures and the
last digit specifies the
number of zeros to follow. R
designates decimal point.
F = 1 %
G = 2 %
J = 5 %
K = 10 %
As applicable
ZAx
48R7 = 48.7 Ω
47R0 = 47 Ω
1001 = 1 kΩ
4R70 = 4.7 Ω
R240 = 0.24 Ω
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66
For technical questions, contact: sfer@vishay.com
Document Number: 50053
Revision: 27-Oct-10
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
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product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
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Document Number: 91000
Revision: 11-Mar-11
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