参数资料
| 型号： | TL88K240RE |
| 厂商： | Ohmite |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | RESISTOR HEAT SINK 240 OHM 114W |
| 标准包装： | 4 |
| 系列： | TL |
| 电阻（欧姆）： | 240 |
| 功率（瓦特）： | 114W |
| 复合体： | 厚膜 |
| 温度系数： | ±250ppm/°C |
| 容差： | ±10% |
| 涂层，外壳类型： | 铝 |
| 安装特点： | 法兰 |
| 尺寸/尺寸： | 3.465" L x 1.012" W（88.00mm x 25.70mm） |
| 引线型： | 快速连接，0.250"（6.35mm） |
| 包装： | 散装 |
| 封装/外壳： | 模块 |
THE TL SERIES ADD HEAT SINK -
ABLE OPTIONS TO THE THICK FILM
RESISTOR FAMILY. THE RESISTOR
ELEMENT IS PACKAGED WITH PLAS -
TIC INSULATORS, AND QUICK-CON -
NECT TERMINALS IN A SYMMETRICAL
ALUMINUM PROFILE FOR EASY HEAT
SINK MOUNTING. SPECIAL TAPPED
CONFIGURATIONS ARE OFFERED TO
REDUCE ON BOARD COMPONENT
COUNT.
EFFICIENT THERMAL PACKAG -
ING PROVIDES IMPROVED HEAT
CONDUCTION TO THE HEAT SINK.
SELF-INSULATING PACKAGE DESIGN
INCREASES VOLTAGE WITHSTANDING
CHARACTERISTICS WHEN COMPARED
TO TRADITIONAL ALUMINUM HOUS -
INGS. THE IN LINE MOUNTING PRO -
FILE MAKES THE TL SERIES EASILY
ADAPTABLE TO MOST HEAT SINK
SYSTEMS. THERMAL COMPOUND
IS ALWAYS RECOMMENDED WHEN
HEAT SINKING.
FEATURES
? VERY LOW INDUCTANCE
? LOW PROFILE DESIGN
? IN-LINE MOUNTING PROFILE
? 1 / 4 ” QUICK CONNECT TERMINALS
? CONSULT FACTORY FOR COMMON,
ISOLATED, OR SPECIAL MULTIPLE TAP
OPTIONS.
APPLICATIONS
? SEMICONDUCTOR BALANCING
? FREQUENCY CONVERTERS
? SNUBBER
? IN-RUSH CURRENT LIMITER
? BLEEDER RESISTOR
? POWER SWITCHING
? VOLTAGE DIVIDERS
SPECIFICATIONS
Material
Resistive Element: THICK FILM ON
ALUMINA
Housing: ALUMINUM
Insulators: GLASS REINFORCED HIGH
TEMPERATURE VALOX ?
Terminals: TINNED BRASS
Electrical
Power Range: 27 – 275 WATTS
Resistance Range:
0.3 OHM – 4 MEGOHM
Tolerance:
ULTRA POWER (U STYLE): ±10% STD;
STANDARD POWER: ±10% STD;
5% AND 1% AVAILABLE
Temperature Coefficient:
±250 PPM
Test Voltage for 1 Minute:
6000 VDC/2500 VAC
Working Voltage: 1200 VAC
External Creeping Distance:
12MM
TL Series
Modular Heat Sinkable
Thick Film Power
A
B
0.20"
5.10 mm
C* Profile 1.01"
0.25" 25.7 mm
6.3 mm
0.98"
25 mm
*For adjacent taps, Footprint 0.96"
C = 0.665" (16.9mm) 24.4 mm
Operating Dielectric
Ultra* Std** Ohm A B Voltage Withstanding
Series Wattage Wattage Range (mm) (mm) VAC Voltage VAC
TL54 35 27 0.3 - 1 Meg 54 46 1200 2500
TL71 96 71 1.0 - 2 Meg 71 63 1200 2500
TL88 155 114 1.5 - 3 Meg 88 80 1200 2500
TL104 215 158 2.0 - 4 Meg 104 96 1200 2500
?TL122 275 202 2.0 - 4 Meg 122 114 1200 2500
* For properly heat sinked, untrimmed resistors - see chart
** For properly heat sinked, trimmed resistors - see chart
? Power Ratings are theoretical. Consult Factory for details.
Temperature Limits: -40°C TO
+125°C
Insulation: >100 2 MOHM/500V
Air Distance, Terminal to
Ground: 7MM
Inductance: 50-100 NH
ELECTRICAL/MECHANICAL SPECS
T H E R M A L R E S I S TA N C E ( ° C / W )
TL54 TL71 TL88 TL104
Ultra Power(10% Tolerance) 1.26 0.53 0.34 0.25
Std Power (5% - 3% Tolerance) 1.67 0.70 0.45 0.33
Consult factory for multiple tap options in common, isolated, and special configurations.
S TA N D A R D PA RT N U M B E R S F O R T L S E R I E S
Type
Values for Standard Resistors
Max. Rated Wattage
Nominal Power
Surge Load in 10 sec
Max Voltage Between Terminal
W
W
W
V
TL54
35
18
72
1000
TL71
96
48
192
2000
TL88
155
78
312
2500
TL104
215
108
432
2500
TL122
275
137
548
2500
0.5
1.0
1.5
Part No.
Prefix
Suffix
––– R50
––– 1R0
––– 1R5
240.0
470.0
510.0
Part No.
Prefix
Suffix
––– 240
––– 470
––– 510
Resistance Min
ohm
0.3
1
1.5
2
2
2.0
––– 2R0
750.0
––– 750
Resistance Max
Mechanics:
Weight
A
B
C
ohm
mm
mm
mm
g
1 meg
54
46
16.9
26
2 meg
71
63
33.8
33
3 meg
88
80
50.7
44
4 meg
104
96
67.6
55
4 meg
122
114
84.5
65
3.0
4.0
5.0
10.0
15.0
22.0
––– 3R0
––– 4R0
––– 5R1
––– 10R
––– 15R
––– 22R
1,000.0
1,100.0
2,200.0
4,700.0
5,100.0
10,000.0
––– 1K0
––– 1K1
––– 2K2
––– 4K7
––– 5K1
––– 10K
O R D E R I N G I N F O R M AT I O N
47.0
75.0
––– 47R
––– 75R
22,000.0
51,000.0
––– 22K
––– 51K
E = RoHS compliant
TL104K U R500 C E
100.0
150.0
220.0
––– 100
––– 150
––– 220
= Standard values
= Non-standard values subject to
minimum handling charge per
item
(optional)
Size
TL54 = 54 mm
TL71 = 71 mm
TL88 = 88 mm
TL104 = 104 mm
TL122 = 122 mm
Tolerance Power
F = 1% U = ultra
J = 5%
K = 10%
Ohms
R500 =
10R0 =
1K00 =
1M00 =
Center tap
0.50 (optional)
10.0
1,000
1,000,000
THIS PRODUCT IS DESIGNED FOR
USE WITH PROPER HEATSINKING.
Maximum base plate temperature of the resistor must be
monitored and kept within specified limits to establish the
power rating. Best technique is to attach a thermocouple
to the side of the base plate of the resistor. Temperature of
plastic housing or heat sink cannot be used to establish rating
of the resistor.
1-866-9-OHMITE ? INT’L 1-847-258-0300 ? FAX 1-847-574-7522 ? WWW.OHMITE.COM ? INFO@OHMITE.COM
Ohmite Mfg. Co.
73
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