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The TL Series add heat sinkable options to the thick film resistor family. The resistor element is packaged with plastic insulators, and quick-connect terminals in a symmetrical aluminum profile for easy heat sink mounting. Special tapped configurations are offered to reduce on board component count. Efficient thermal packaging provides improved heat conduction to the heat sink. Self-insulating package design increases voltage withstanding characteristics when compared to traditional aluminum housings. The in line mounting profile makes the TL Series easily adaptable to most heat sink systems. Thermal compound is always recommended when heat sinking.
APPLICATIONS
* Semiconductor Balancing * Frequency Converters * Snubber * In-Rush Current Limiter * Bleeder Resistor * Power Switching * Voltage Dividers
Modular Heat Sinkable Thick Film Power
A B 0.20" 5.10 mm C* 0.25" 6.3 mm Profile 1.01" 25.7 mm 0.98" 25 mm Footprint 0.96" 24.4 mm
Operating Dielectric B Voltage Withstanding (mm) VAC Voltage VAC
TL Series
SPECIFICATIONS
Material Resistive Element: Thick Film on Alumina Housing: Aluminum Insulators: Glass reinforced high temperature Valox(R) 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 Temperature Limits: -40C to +125C Insulation: >1002 Mohm/500V Air Distance, Terminal to Ground: 7mm Inductance: 50-100 nH
*For adjacent taps, C = 0.665" (16.9mm)
Ultra* Std** Series Wattage Wattage
Ohm Range
A (mm)
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.
TL54 TL71 TL88 TL104 TL122
35 96 155 215 275
27 71 114 158 202
0.3 - 1 Meg 1.0 - 2 Meg 1.5 - 3 Meg 2.0 - 4 Meg 2.0 - 4 Meg
54 71 88 104 122
46 63 80 96 114
1200 1200 1200 1200 1200
2500 2500 2500 2500 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.
T H E R M A L R E S I S TA N C E ( C / W )
Ultra Power(10% Tolerance) Std Power (5% - 3% Tolerance) TL54 1.26 1.67 TL71 0.53 0.70 TL88 0.34 0.45 TL104 0.25 0.33
Consult factory for multiple tap options in common, isolated, and special configurations.
ELECTRICAL/MECHANICAL SPECS
Ohmic value Type Values for Standard Resistors Max. Rated Wattage Nominal Power Surge Load in 10 sec Max Voltage Between Terminal Resistance Min Resistance Max Mechanics: Weight A B C W W W V ohm ohm mm mm mm g TL54 35 18 72 1000 0.3 1 meg 54 46 16.9 26 TL71 96 48 192 2000 1 2 meg 71 63 33.8 33 TL88 155 78 312 2500 1.5 3 meg 88 80 50.7 44 TL104 215 108 432 2500 2 4 meg 104 96 67.6 55 TL122 275 137 548 2500 2 4 meg 122 114 84.5 65
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
Ohmic value TL104K--- TL122K--- Part No. Prefix Suffix --- R50 --- 1R0 --- 1R5 --- 2R0 --- 3R0 --- 4R0 --- 5R1 --- 10R --- 15R --- 22R --- 47R --- 75R --- 100 --- 150 --- 220 Part No. Prefix Suffix --- 240 --- 470 --- 510 --- 750 --- 1K0 --- 1K1 --- 2K2 --- 4K7 --- 5K1 --- 10K --- 22K --- 51K TL104K--- TL54K--- TL71K--- TL88K--- TL54K--- TL71K--- TL88K--- TL122K---
O R D E R I N G I N F O R M AT I O N
E = RoHS compliant
TL104KUR500E
Tolerance Power Size TL54 = 54 mm F = 1% Blank = standard TL71 = 71 mm J = 5% U = ultra TL88 = 88 mm K = 10% TL104 = 104 mm TL122 = 122 mm Ohms R500 = 10R0 = 1K00 = 1M00 = 0.50 10.0 1,000 1,000,000
0.5 1.0 1.5 2.0 3.0 4.0 5.0 10.0 15.0 22.0 47.0 75.0 100.0 150.0 220.0

240.0 470.0 510.0 750.0 1,000.0 1,100.0 2,200.0 4,700.0 5,100.0 10,000.0 22,000.0 51,000.0

= Standard values = Non-standard values subject to minimum handling charge per item
Check product availability at www.ohmite.com
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com
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TL Series
TL54
40 Ultra Power
Modular Heat Sinkable Thick Film Power
M A X I M U M A N D N O M I N A L P O W E R R AT I N G S F O R U LT R A P O W E R A N D S TA N D A R D P O W E R R E S I S T O R S
TL104
250 Ultra Power 200 Standard Power Wattage 150 Nominal Ultra Power 100 50 0 Nominal Standard Power
30 Wattage
Standard Power
TL54
TL104
20
Nominal Ultra Power Nominal Standard Power
10
0
0
20
40
100 60 80 Heat sink temp, C
120
140
160
0
20
40
100 60 80 Heat sink temp, C
120
140
160
TL71
120 100 80 Wattage 60 40 20 0 Ultra Power
TL122
300 250 Ultra Power
TL71
Wattage Standard Power Nominal Ultra Power Nominal Standard Power 200 150 100 50 0 20 40 100 60 80 Heat sink temp, C 120 140 160 0
Standard Power
TL122
Nominal Ultra Power Nominal Standard Power
0
20
40
60 80 100 Heat sink temp, C
120
140
160
TL88
180 160 140 120 Wattage 100 80 60 40 20 0 0 20 40 100 60 80 Heat sink temp, C 120 140 160 Nominal Ultra Power Nominal Standard Power Standard Power Ultra Power
TL88
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Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com

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