High Voltage Resistors
Type HH Series
Literature No. 1773224
Issued: 07-05
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
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Key Features
■Low TCR’s
■Low Resistance Tolerances
■Small compact size
■Up to 6 Watts Dissipation
■High Reliability
■Excellent long-term stability
■High resistance to pulse
voltages
■High thermal shock
resistance when mounted
to PCB
Type HH Series
The HH type resistors offers a very
stable high voltage resistor in a
compact package with excellent pulse
withstand capability.
These are used mainly in physical and
chemical measuring instruments, X-ray
apparatus, electron microscopes
and other high voltage industrial
applications.
Derating Curve
0 25 50 75 100 125 150
100
80
60
40
20
0
Rated Power Ratio
Ambient Temperature (°C)
Characteristics -
Electrical
Power Rating Max. Working Impulse Voltage Resistance
Resistance
Temperature
Type @ 25°C Voltage DC (kV) 1.2 x 50 Range
Tolerance
Coefficient
(W) (kV) Microseconds (Ohms)
(%)
(ppm)
100K-50M ±25
HH55 0.5W 1.5 3.0
100K-100M 1.0, 2.0, 5.0, 10 ±50
100K-1G0 ±100
100K-100M ±25
HH60 1.0W 2.0 4.0
100K-500M 1.0, 2.0, 5.0, 10 ±50
100K-2G0 ±100
100K-100M ±25
HH65 2.0W 5.0 10.0
100K-500M 1.0, 2.0, 5.0, 10 ±50
100K-2G0 ±100
100K-100M ±25
HH70 3.0W 10.0 20.0
100K-500M 1.0, 2.0, 5.0, 10 ±50
100K-2G0 ±100
HH80 4.0W 15.0 30.0
100K-500M 1.0, 2.0, 5.0, 10 ±50
100K-2G0 ±100
HH120 6.0W 20.0 40.0
100K-500M 1.0, 2.0, 5.0, 10 ±50
100K-2G0 ±100
Characteristics -
Environmental
Test Item Characteristics Test Method
Operating Temperature Range: -55°C to +150°C
Short Term Overload: ∆R ≤±0.5% Rated Voltage x 2.5 applied for 5 seconds
Resistance to Soldering Heat: ∆R ≤±0.2% 350°C for 3 seconds
Long Term Stability: ∆R ≤±0.5% At normal temperature and humidity for
10,000 hours without load
Moisture Load Life: ∆R ≤±0.5% 40°C 90 ~ 95%RH for 1,000 hours
Load Life: ∆R ≤±0.5% 25°C Rated power x _ for 3,000 hours
Temperature Coefficient: “D” ±25ppm The test data is based on a temperature
“C” ±50ppm difference of 100°C (reference temperature
“Z” ±100ppm 25°C; measurement temperature, 125°C)