TPR302941FHE3 [VISHAY]
RES,SMT,THICK FILM,2.94K OHMS,250WV,1% +/-TOL,-50,50PPM TC,4018 CASE;型号: | TPR302941FHE3 |
厂家: | VISHAY |
描述: | RES,SMT,THICK FILM,2.94K OHMS,250WV,1% +/-TOL,-50,50PPM TC,4018 CASE 电阻器 |
文件: | 总3页 (文件大小:129K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
TPR
Vishay Techno
Thick Film Technology Power Resistors
20 Watt and 30 Watt TO220 Package
FEATURES
• Available with 20 or 30 Watt power rating
• Convenient TO220 package
• 20 Watt: Resistance range 1 Ω to 1 MΩ
• 30 Watt: Resistance range 0.5 Ω to 100 KΩ
• Tolerance 1 ꢀ standard
• TCR to 50 ppm/°C
• Non-Inductive Design
• Isolated electrical element
The well known TO-220 package combined with the proven
thick film technology provides you, the design engineer, with
a high reliable and cost effective solution for applications
requiring current limiting/current sensing.
ELECTRICAL SPECIFICATIONS
Resistance Range: 20 Watt: 0.5 Ω to 100 kΩ
30 Watt: 0.5 Ω to 100 KΩ
STD Resistance Tolerance: 1 ꢀ, 2 ꢀ, 5 ꢀ and 10 ꢀ
(Tighter available)
The chips unique attachment to the solder coated copper
base provides a repeatable low thermal resistance path for
the energy to exit the resistor and be dissipated into the
heatsink.
Power Dissipation:
TRP20:
20 Watts at 25 °C with heatsink
2 ¼ Watts at 25 °C without heatsink
TPR30:
The popular TO-220 package can be handled easily by the
manufacturing group.
30 Watts at 25 °C with heatsink
2 ½ Watts at 25 °C without heatsink
Temperature Coefficient: 100 ppm/°C Std
( 50 ppm/°C available)
Vishay has additional solutions when higher Technical
Performance is required such as the VPR220 and VPR221.
Short Time Overload: 2 times rated power with applied
voltage not to exceed 375 VDC for 5 seconds
Maximum Working Voltage: 250 VDC
Limiting Element Voltage: 250 VDC
Dielectric Strength: 2000 VRMS
Insulation Resistance: 20 GΩ min
DIMENSIONS in inches
0.175 0.015
0.400 0.010
0.142 0.003 DIA
0.052
0.003
MECHANICAL SPECIFICATIONS
0.125 0.005
0.240 0.010
Mechanical Protection: Molded case
Resistive Element: Thick Film
Terminals: Tinned copper
Weight: 2 grams
0.580 0.010
TPR-XXXX
KK
0.130 0.005
0.050 0.002
ENVIRONMENTAL SPECIFICATIONS (TYPICAL)
Temperature Range: - 55 °C to + 155 °C
Terminal Strength: Mil-Std-202, Method 211
Thermal Shock: Mil-Std-202, Method 107
Moisture Resistance: Mil-Std-202, Method 106
Life: 1000 hours Mil-Std-202, 25 °C
0.540 0.040
0.023
0.002
0.030 0.002
0.200 0.010
0.085 0.010
Shock: Mil-Std-202 Method 213
Vibration: Mil-Std-202, Method 204
Document Number: 68018
Revision: 05-Dec-05
www.vishay.com
1
TPR
Thick Film Technology Power Resistors
20 Watt and 30 Watt TO220 Package
Vishay Techno
DERATING
155 °C
100 %
80 %
60 %
40 %
20 %
0
+ 25 °C + 50 °C + 75 °C + 100 °C + 125 °C + 150 °C + 175 °C
AMBIENT TEMPERATURE °C
STANDARD MILITARY PRESENTATION OF POWER DERATING
PERFORMANCE
TEST AND MIL REF.
CONDITION
TYPICAL DRIFT
< 0.10 ꢀ
Short Time Overload
2 x rated power for 5 seconds
Temperature Cycling with Power
Load Life MIL-STD 202, Method 108 and 302
Humidity (steady state)
5 cycles - 65 °C to + 125 °C, at rated power
1,000 hours at rated power and 25 °C ambient
56 days 95 ꢀ R.H.
< 0.10 ꢀ
< 0.25 ꢀ
< 0.30 ꢀ
ORDERING INFORMATION
TPR20
XXXX
K
K
e3
MODEL
RESISTANCE VALUE
(Ohms)
RESISTANCE
TOLERANCE
TCR
(ppm/°C)
LEAD TERMINATION
TPR20
TPR30
(First three digits are
significant, last digit
signifies number of zeros
to follow.)
F = ± 1 ꢀ
G = ± 2 ꢀ
J = ± 5 ꢀ
K = ± 10 ꢀ
H = ± 50
K = ± 100 Std
M = ± 300
e3 = 95/5
www.vishay.com
2
Document Number: 68018
Revision: 05-Dec-05
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
www.vishay.com
1
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