Aluminium Housed Power Resistors
Type THS Series
Type THS Series Characteristics - Electrical
THS - 10 Watts to 75 Watts
THS10 THS15 THS25 THS50 THS75
Dissipation @ 25C with Heatsink (Watts): 10 15 25 50 75
Without Heatsink: 5.5 8 12.5 20 40
Ohmic Value Min (Ohms): R01 R01 R01 R01 R05
Max: 10K 15K 36K 50K 50K
Max. Working Voltage (DC or ACrms) Volts: 160 265 550 1250 1400
Dielectric Strength (AC Peak) Volts: 1400 1400 2500 2500 5000
Stability (% resistance change, 1000 hours) (%):1 1 112
2
Standard Heatsink - Area (mm ): 41500 41500 53500 53500 99500
Tyco are the leading European
Thickness (mm): 1 1 113
supplier of standard and custom
Number of Mounting Holes: 2 hole 2 hole 2 hole 2 hole 4 hole
designed aluminium housed
resistors for general-purpose use,
power supplies, power generation
Characteristics -
and the traction industry.
Electrical
The THS is a range of extremely
stable, high quality wire wound
Long Term Stability: For improvements in long-term stability, resistors must be derated as
resistors capable of dissipating
follows; for 50% of stated R maximum dissipation must not exceed
high power in a limited space with
70% of rating; for 25% of stated R maximum, dissipation must not
exceed 50% of rating
relatively low surface temperature.
The power is rapidly dissipated
Insulation Resistance: Dry: 10,000M minimum. After moisture test: 1000M minimum.
as heat through the aluminium
Heat Dissipation: Although the use of proprietary heat sinks with lower thermal
housing to a specified heatsink.
resistance is acceptable, up rating is not recommended.
The use of proprietary heat sink compound to improve thermal
The resistors are made from quality
conductivity is recommended for optimum performance of all sizes
materials for optimum reliability and
Specification: Temperature coefficient below 100R, 50ppm/C
stability. Tyco can test resistors to
conform to relevant international,
Temperature coefficient above 100R, 30ppm/C
MIL or customer specifications.
Tolerance, 5% standard
Key Features
Established product
Product Specifications -
L
with proven reliability
THS10 - THS75
Leading the way with
over 50 years of
design and
Type L
manufacturing
experience
THS10, 15 7
10 Watts to 75 Watts THS25, 50 10
THS75 8
Versatile product
5.0
Bench mark in
every industry
Dimensions -
Applications
THS10 - THS50
Braking Resistor
M
Balancing Resistor
L
Capacitor Charging
H
& Discharging
Crowbar
Filter
Electrical Machinery
general use
Available through 2 x Mounting Hole
Distribution
THS10 - 2.4mm THS25 - 3.3mm
THS15 - 2.4mm THS50 - 3.3mm
Type H0.3 J0.3 L Max M Max N Max P Max R Min T0.5 U Max
THS10 11.3 12.4 17.0 30.0 17.0 9.0 1.9 3.4 2.5
THS15 14.3 15.9 21.0 36.5 21.0 11.0 1.9 5.2 3.2
THS25 18.3 19.8 29.0 51.8 28.0 15.0 2.8 7.2 3.2
THS50 39.7 21.4 51.0 72.5 30.0 17.0 2.8 7.9 3.2
Literature No. 1773277 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com
Issued: 03-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com
otherwise specified.
N
J
R
P
U
4.0
TAluminium Housed Power Resistors
Type THS Series
Dimensions -
THS75
M
L
H
4 x Mounting Hole
HSC75 - 4.4mm
Type H0.3 J0.3 K0.2 L Max M Max N Max P Max R Min T0.5 U Max
THS75 29.0 37.0 4.4 49.0 71.0 47.5 26.0 5.0 11.5 3.5
Derating Curve THS10 to THS75
THS75
75
60
THS50
50
40
30
THS25
20
THS15
THS10
10
0
-25 0 25 50 75 100 125 150 175 200 225 250275
Heatsink Temp. (degC)
Pulse Energy THS10 to THS75
400
350
300
250
200
150
100
50
0
0.01 0.1 1 10 100 1000 10000 100000
Resistance (Ohms)
THS10 THS15 THS25 THS50 THS75
Literature No. 1773277 Dimensions are shown for Dimensions are in Specifications subject to tycoelectronics.com
Issued: 03-08 reference purposes only. millimetres unless change. passives.tycoelectronics.com
otherwise specified.
N
J
Power (W)
Pulse Energy (Joules)
R
P
U
T