Thick Film Power Resistors
Type BDS600 Series
Literature No. 1773314
Issued: 02-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
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Key Features
■
600W in a 34.2cm
2
footprint
• Gives an impressive
power density of
17.5W/cm
2
■
Inductance < 80nH
• Virtually inductance-free
■
Wide resistance range:
0.5Ω to 100kΩ
• Coupled with 1%
tolerance gives ultimate
design flexibility
■
Multiple terminal
configurations
• For demanding creep
and clearance
requirements
■
Partial discharge
<5pC at 5kV
• Guaranteeing quality,
reliability and long life
Applications
■
Snubbing (Low inductance)
■
Filter (Low inductance)
■
High Voltage
■
High Frequency
■
Balancing
Type BDS600 Series
With a maximum inductance of 80nH
and a rated power of 600W (60°C
Heatsink) in a 57mm x 60mm casing,
the BDS600 offers high power
density over a wide range of ohmic
values (0R5 – 100K).
This high power density resistor is
made from quality materials for
optimum reliability and stability with
very low partial discharge.
Tyco can test resistors to conform
to relevant international, MIL or
customer specifications, and will
advise on the use of resistors for
pulse applications (special pulse
duty options available) and high
voltage usage (high voltage designs
available). The BDS600 offers a
limiting element voltage of 5kVac
rms, and 10kV isolation voltage
(terminal to heatsink).
Resistors with 1% tolerance, alterna-
tive terminations or flying leads are
available, and custom designs are
welcome.
This product is available via
distribution.
Characteristics -
Electrical
Resistance Range: 0R5 – 100K
Resistance Tolerance: ± 10%, 5% (Tighter by discussion)
TCR: ± 150ppm/°C
Rated Power: Heatsink: 60°C 600W
Capacitance: Parallel 40pF
To Earth 110pF
Series Inductance: <80nH (Maximum)
Limiting Element Voltage: 5kV dc/ac rms
Isolating Voltage: (Terminal to Heatsink) 10kV ac rms
Single Shot Voltage: 1.5/50ms 12kV
Insulation Resistance: (at 500V dc) >1000MΩ
Partial Discharge: at 7kV <500pC
at 5kV <5pC
Heat Dissipation: Although the use of proprietary heat sinks with lower thermal resistance is
acceptable, up rating is not recommended. The use of proprietary heat sink
compound to improve thermal conductivity is essential.
Characteristics -
Environmental
Endurance (Rated Power): Full Load, 1000h, 25°C ∆R 0.4% Typ
Humidity Load Life: 56 Days, 40°C, 95% RH ∆R 0.25% Typ
Temperature Cycling: -55°C to +125°C, 5cycles ∆R 0.2% Typ
Storage Temp: -55°C to +155°C
Operating Temp: -55°C to +140°C (200°C on req.)
Short Term Overload: 1000W, 10s ∆R 0.4% Typ
Vibration: 2-5000Hz/10g ∆R 0.25% Typ
Bump: 40g 4000 bumps ∆R 0.25% Typ
Characteristics -
Mechanical
Terminal Size: M5
Terminal Torque (max.): 2Nm
Creepage Distance: 48mm
Air Gap: To Heatsink 14mm
Heatsink Surface Finish: R
a
< 6µm
Heatsink Flatness: 0.05mm
Thermal Grease: (0.05°C/Wmm) Required
Weight: 160g
Max. Mounting Torque: 1.8Nm
Dimensions
ø4.1 ±
0.2
0.05
18.07.0
15.0
5.0 ±0.5
øM5
57.0 ±0.2
34.0 ±0.2
65.0
36.0±0.3
60.0
30.0 ±0.5
32.0 ±0.5
