Aluminium Housed Power Resistors
Type R3000 Series
Type R3000 Series
Characteristics -
Electrical
Dissipation on 75°C Heatsink (Watts):
1000 (500 per element)
Without Heatsink (T
ambient
: 23°C):
200 (100 per element)
Power Overload (∆R <0.25%):
4 x P
rated
for 20s
Ohmic value - Per Element (Ohms):
3R3 - 750K
Tolerance:
5% Standard (1%, 2%, 3%, 10% Available)
Limiting Element Voltage (DC/ACrms) Volts:
3.2kV (subject to resistor value)
Insulation Resistance @500V dc (Ohms)
>50 x 10
9
Dielectric Strength - Terminal to Terminal (AC peak):
12 kV
Terminal to Case:
12 kV
Mounting Orientation:
Vertical
Inductance (H):
<3.8µH (at 44Ω)
Capacitance (F):
130pF
Partial Discharge (C):
<5pC at 3.7KVRMS
Time Constant (µs):
<0.1
Creep Path (mm):
50
Weight (g):
1646
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.
G99
Tyco Electronics is the leading
European supplier of standard and
custom mineral insulated resistors for
high voltage snubbing applications.
The R3000 range is designed to
meet the demands of high voltage
switching applications and offers
extremely stable, high quality wire
wound
resistors
capable
of
dissipating high power in a limited
space with relatively low surface
temperature. The power is rapidly
dissipated as heat through the
aluminium housing to a specified
heatsink.
The resistors are made from quality
materials for optimum reliability and
stability. Tyco Electronics can test
resistors to conform to relevant
customer specifications.
Tyco Electronics is happy to advise
on the use of resistors for pulse
applications
and
to
supply
information for high voltage use and
low-ohmic
value,
alternative
mountings and termination type.
Dimensions
335 MAX
UNIT IDENTITY NO. EACH
ELEMENT IDENTIFIED
BY POSITION RELATIVE
TO UNIT NO. AS SHOWN
CASE WILL BE MARKED:
MEC CGS - HLP1000
44R/44R TOL
DATE CODE
ELEMENT B
ELEMENT A
Key Features
I
125
40
15
15
I
Partial Discharge
< 5pC at 3.7kV RMS
•
Giving quality, reliability
and long life
12kV Voltage Isolation
•
Meeting tough
specifications with a
factor of safety
Special Pulse Options
Available
•
Maximised wire wound
element technology for
high pulse energy
absorption
Low Inductance and
Capacitance
•
For the fastest switching
speeds
Unparalleled Insulation
Resistance
•
50GΩ offers high
performance in every
application
12.8
ANODIZING TO BE MACHINED FROM BASE
30±0.5
7.0
60 +0 -0.5
25
6.3
NO TORQUE TO BE APPLIED
TO THIS STAND OFF
I
250 +/- 1
MAX. TORQUE 2NM
0.05
MACHINED
AFTER
ANODIZING
I
MIN 8MM
I
Applications
I
I
I
Braking
Snubbing
Filter
I
I
Power Supplies
Electrical Machinery
I
Literature No. 1773316
Issued: 02-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
www.tycoelectronics.com
passives.tycoelectronics.com
40 MAX
1000W in a 150cm
2
Footprint
•
Exceptional power
density of 6.7 W/cm
2
NOSE CONE:
CREEP - 50MM MIN
BASE OF COUNTER
BORES TO BE FREE
FROM ANODIZING
210
STRIKE - 20MM MIN
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