RTO020C39001JTE3 [VISHAY]
RESISTOR, METAL GLAZE/THICK FILM, 2 W, 5 %, 150 ppm, 39000 ohm, SURFACE MOUNT, TO 220, ROHS COMPLIANT;型号: | RTO020C39001JTE3 |
厂家: | VISHAY |
描述: | RESISTOR, METAL GLAZE/THICK FILM, 2 W, 5 %, 150 ppm, 39000 ohm, SURFACE MOUNT, TO 220, ROHS COMPLIANT 电阻器 |
文件: | 总4页 (文件大小:271K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
RTO 20
Vishay Sfernice
20 W Power Resistor, Thick Film Technology, TO-220
FEATURES
• 20 W at 25 °C heatsink mounted
• High power dissipation to size ratio
• Wide resistance range from 0.01 Ω to 550 kΩ
• Negligible inductance
• Easy mounting
• TO-220 package: Compact and easy to mount
• Compliant to RoHS directive 2002/95/EC
Two versions of this thick film resistor are available:
• A radial leaded version for PCB mounting
• A flat lead version for surface mounting
The well known TO-220 package is compact and easy to
mount.
DIMENSIONS in millimeters
RTO 20C - FOR SURFACE MOUNTING
4.5
RTO 20F - LEADED
4.5
10.1
1.3
Ø 3.6
10.1
Ø 3.6
1.3
15
12.5
8.8
15
12.5
8.8
2
13.7
3
0.3
1.6
2.5
Ø 0.8
5.08
5.08
• Only for RTO 20 version C = during surface mount soldering temperature profile
must not cause the metal tab of this device to exceed 220 °C.
Note
• Tolerance unless otherwise specified: 0.4 mm
MECHANICAL SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Mechanical Protection
Resistive Element
Connections
Insulated case
Resistance Range
0.010 Ω to 550 kΩ serie E24
Thick film
Tolerances (Standard)
Dissipation and Associated:
1 % to 10 %
Tinned copper
2.2 g max.
Onto a heatsink
Weight
20 W at + 25 °C
DIMENSIONS
Standard Package
Thermal Resistance
and Nominal Power
R
TH (j - c): 6.5 °C/W
free air:
2 W at + 25 °C
TO-220
Insulated case
Temperature Coefficient
Standard (- 55 °C; + 150 °C)
See Performance table
150 ppm/°C
ENVIRONMENTAL SPECIFICATIONS
Temperature Range
Climatic Category
Sealing
- 55 °C to + 155 °C
Limiting Element Voltage UL
250 V
55/155/56
2000 VRMS - 1 min - 10 mA max.
(between terminals
Dielectric Strength
MIL STD 202
Sealed container
Solder immersion
and heatsink)
≥ 106 MΩ
≤ 0.1 µH
3.12 kΩ
Flammability
IEC 60695-11-5
2 applications 30 s seperated
by 60 s
Insulation Resistance
Inductance
Critical Resistance
Note
• Not compatible with RoHS reflow profile
www.vishay.com
34
For technical questions, contact: sfer@vishay.com
Document Number: 50005
Revision: 18-May-09
RTO 20
20 W Power Resistor, Thick Film Technology, TO-220
Vishay Sfernice
PERFORMANCE
TESTS
CONDITIONS
REQUIREMENTS
EN 60115-1
2 Pr 5 s for R < 2 Ω
1.6 Pr 5 s for R ≥ 2 Ω
US < 1.5 UL
Momentary Overload
(0.25 % + 0.005 Ω)
EN 60115-1/60068-2-14
5 cycles
- 55 °C to + 155 °C
Rapid Temperature Change
(0.5 % + 0.005 Ω)
EN 60115-1
1000 h Pr at + 25 °C
Load Life
(1 % + 0.005 Ω)
(0.5 % + 0.005 Ω)
(0.5 % + 0.005 Ω)
EN 60115-1
56 days R.H. 95 %
Humidity (Steady State)
High Temperature Exposure
NF EN 140 000
1000 h - 40 % Pr at + 100 °C
Vibration
MIL STD 202, Method 204 C Test D
MIL STD 202, Method 211 Test A1
(0.2 % + 0.005 Ω)
(0.2 % + 0.005 Ω)
Terminal Strength
IEC 60115-1
IEC 60068-2-27
Saw tooth: 100 g/6 ms
Shock
(0.5 % + 0.005 Ω)
RESISTANCE VALUE IN RELATION TO TOLERANCE AND TCR
Resistance Values
≥ 0.01
≥ 0.015
≥ 0.1
≥ 0.5
Tolerances
1 % at 10 %
Typical Temperature
Coefficient Range
(- 55 °C to + 155 °C)
900 ppm/°C
700 ppm/°C
250 ppm/°C
150 ppm/°C
Note
• For very low ohmic values, TCR for information
CHOICE OF THE HEATSINK
The user must choose 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:
(1)
ΔT
-----------------------------------------------------------
P =
[RTH (j - c) + RTH (c - a)
]
P:
Expressed in W
ΔT:
Difference between maximum working temperature and room temperature
RTH (j - c)
:
Thermal resistance value measured between resistive layer and outer side of the resistor. It is the thermal
resistance of the component: (Special Features table)
RTH (c - a)
:
Thermal resistance value measured between outer side of the resistor and room temperature. It is the thermal
resistance of the heatsink itself (type, shape) and the quality of the fastening device.
Example:
RTH (c - a): For RTO 20 power rating 10 W at ambient temperature + 25 °C
Thermal resistance RTH (j - c): 6.5 °C/W
Considering equation (1) we have:
ΔT = 155 °C - 25 °C = 130 °C
ΔT
130
---------
= 13 °C/W
-------
RTH (j - c) + RTH (c - a)
=
=
P
10
RTH (c - a) = 13 °C/W - 6.5 °C/W = 6.5 °C/W
Document Number: 50005
Revision: 18-May-09
For technical questions, contact: sfer@vishay.com
www.vishay.com
35
RTO 20
20 W Power Resistor, Thick Film Technology, TO-220
Vishay Sfernice
OVERLOADS
In any case the applied voltage must be lower than the
maximum overload voltage of 375 V.
POWER RATING
The temperature of the heatsink should be maintained within
the limits specified.
The values indicated on the graph below are applicable to
resistors in air or mounted onto a heatsink.
To improve the thermal conductivity, surfaces in contact
should be coated with a silicone grease and the torque
applied on the screw for tightening should be around 1 Nm.
Spring clip can also be used to mount the component on an
heatsink (ex: Kunze, clip KU4-498).
ENERGY CURVE
100
120
100
75
50
25
0
10
1
0.1
0.01
10-7
10-6
10-5
10-4
10-3
10-2
10-1
0
20
40
60
80
100
120
140 155
HEATSINK TEMPERATURE IN °C
OVERLOAD DURATION IN s
MARKING
PACKAGING
Tube of 50 units
Model, style, resistance value (in Ω), tolerance (in %),
manufacturing date, Vishay Sfernice trademark.
ORDERING INFORMATION
RTO
20
F
U68
5 %
xxx
TU50
e3
MODEL STYLE CONNECTIONS
RESISTANCE VALUE
TOLERANCE CUSTOM DESIGN PACKAGING LEAD (Pb)-FREE
F: Radial leads
C: Surface mount
1 %
2 %
Optional
on request:
Special TCR,
shape etc.
5 %
10 %
GLOBAL PART NUMBER INFORMATION
R
T
O
0
2
0
F
R
6
8
0
0
J
T
E
3
GLOBAL
MODEL
SIZE
LEADS
OHMIC VALUE
TOLERANCE
PACKAGING
RTO
020
F = Radial leads
C = Surface mount
The firts four digits are
significant figures and the last
digit specifies the number of
zeros to follow.
F = 1 %
G = 2 %
J = 5 %
K = 10 %
T = Tube
Size 30 and 50:
Tube 50 pieces
R designates decimal point.
48R70 = 48.7 Ω
48701 = 48 700 Ω
10002 = 100 000 Ω
R0100 = 0.01 Ω
R6800 = 0.68 Ω
27000 = 2700 Ω = 2.7 kΩ
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36
For technical questions, contact: sfer@vishay.com
Document Number: 50005
Revision: 18-May-09
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.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“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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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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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
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
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damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
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Document Number: 91000
Revision: 11-Mar-11
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1
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