TL Series
Modular Heat Sinkable
Thick Film Power
The TL Series add heat sinkable options to the
thick film resistor family. The resistor element
is packaged with plastic insulators, and quick-
Fea TureS aPPLICa TIONS
connect terminals in a symmetrical aluminum
Very low inductance Semiconductor Balancing
profile for easy heat sink mounting. Special
tapped configurations are offered to reduce on
Low profile design Frequency Converters
board component count.
In-Line Mounting Snubber
Efficient thermal packaging provides improved
Profile
In-Rush Current Limiter
heat conduction to the heat sink. Self-insulating
1
/4 Quick connect ter-
package design increases voltage withstanding
Bleeder Resistor
minals
characteristics when compared to traditional
Power Switching
aluminum housings. The in line mounting profile
Consult factory for
Voltage Dividers
makes the TL Series easily adaptable to most
common, isolated, or
heat sink systems. Thermal compound is always
special multiple tap
recommended when heat sinking.
options.
SerIeS SPeCIFICa TIONS
Thermal Resistance
Ultra* Std** Nominal Surge Load Max. Voltage Ohm Ultra Std.
Series Wattage Wattage Power (10 sec.) between terminals Range (10% tol.) (3%-5% tol.)
TL54 35 27 18 72 1000 0.3 - 1M 1.26 1.67
TL71 96 71 48 192 2000 1.0 - 2M 0.53 0.70
TL88 155 114 78 312 2500 1.5 - 3M 0.34 0.45
TL104 215 158 108 432 2500 2.0 - 4M 0.25 0.33
TL122 275 202 137 548 2500 2.0 - 4M
* For properly heat sinked, untrimmed resistors - see chart
** For properly heat sinked, trimmed resistors - see chart
Power Ratings are theoretical. Consult Factory for details.
CharaCTerISTICS
Operating voltage 1200 VAC
Dielectric Withstanding Voltage 2500 VAC THIS PRODUCT IS
Resistive Element Thick Film on Alumina
DESIGNED FOR USE WITH
Housing Aluminum
PROPER HEATSINKING.
Maximum base plate temperature of the
Insulators Glass reinforced high temperature Valox
resistor must be monitored and kept
Terminals Tinned brass
within specified limits to establish the
Power Range 27 275 watts
power rating. Best technique is to attach
Resistance Range 0.3 4M
a thermocouple to the side of the base
plate of the resistor. Temperature of plastic
Tolerance Ultra Power (U Style): 10% std.
Standard Power: 10% std.; 5% and 1% available housing or heat sink cannot be used to
establish rating of the resistor.
250 PPM
Temperature Coefficient
Test Voltage for 1 Minute 6000 VDC/2500 VAC
Working Voltage 1200 VAC
External Creeping Distance 12mm
Temperature Limits -40C to +125C
>1002 M/500V
Insulation
Air Distance, Terminal to Ground 7mm
Inductance 50-100 nH
(continued)
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TL Series
Modular Heat Sinkable Thick Film Power
POwer ra TINgS
Maximum and nominal power ratings for Ultra Power and Standard Power resistors
TL54 TL104 TL71
250
40 120
Ultra Power
Ultra Power
Ultra Power
100
200
30
TL54 TL71
TL104
Standard Power
Standard Power 80
Standard Power
150
20 60
Nominal Ultra Power
Nominal Ultra Power
Nominal Ultra Power
100
Nominal Standard Power
Nominal Standard Power
40 Nominal Standard Power
10
50
20
0 0 0
0 20 40 60 80 100 120 140 160 0 20 40 60 80 100 120 140 160 0 20 40 60 80 100 120 140 160
Heat sink temp, C
Heat sink temp, C Heat sink temp, C
TL122 TL88
300 180
Ultra Power
160 Ultra Power
250
140
TL122 TL88
Standard Power
200 120 Standard Power
100
150 Nominal Ultra Power
Nominal Ultra Power
80
Nominal Standard Power
Nominal Standard Power
100 60
40
50
20
0 0
0 20 40 60 80 100 120 140 160 0 20 40 60 80 100 120 140 160
Heat sink temp, C Heat sink temp, C
OrderINg INFOrma TION dImeNSIONS
E = RoHS compliant
A
B
TL104K U R500 C E
0.20"
Size Tolerance Power Ohms Center tap
5.10 mm
TL54 = 54 mm F= 1% U = ultra R500 = 0.50 (optional)
TL71 = 71 mm J = 5% 10R0 = 10.0
(optional)
TL88 = 88 mm K= 10% 1K00 = 1,000
C*
Profile 1.01"
TL104 = 104 mm 1M00 = 1,000,000
25.7 mm
TL122 = 122 mm 0.25"
6.3 mm
0.98"
Standard part numbers
25 mm
Part No. Part No.
*For adjacent taps,
Footprint
Prefix Prefix C = 0.665" (16.9mm)
1.00" 0.015
25.4 mm
Suffix Suffix
0.5 R50 240.0 240
TL54 TL71 TL88 TL104 TL122
1.0 1R0 470.0 470
A mm 54 71 88 104 122
510.0 510
1.5 1R5
B mm 46 63 80 96 114
2.0 2R0 750.0 750 C mm 16.9 33.8 50.7 67.6 84.5
3.0 3R0 1,000.0 1K0
Weight g 26 33 44 55 65
1,100.0 1K1
4.0 4R0
Consult factory for multiple tap options in common, iso-
5.1 5R1 2,200.0 2K2
lated, and special configurations.
4,700.0 4K7
10.0 10R
15.0 15R 5,100.0 5K1
22.0 22R 10,000.0 10K
22,000.0 22K
47.0 47R
75.0 75R 51,000.0 51K
100.0 100
= Standard values
150.0 150
= Non-standard values subject to
220.0 220
minimum handling charge per
item
rev 6/18-1
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Wattage
Ohmic value
TL54K
Wattage
TL71K
TL88K
TL104K
TL122K
Ohmic value
Wattage
TL54K
TL71K
TL88K
TL104K
TL122K
Wattage
Wattage