HR Series

HR Series
Aluminum Housed Power Resistors
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Resistances from 0.01 to 22K Ohms
Power Rating 5 to 15 Watts
Resistance Tolerances to ± 1%
Low TCR: ± 20 ppm/°C Standard
Non-Inductive Windings Available
Integrated 18AWG Leads
SPECIFICATIONS
Power Rating ( W @ 25°C )
Resistance Range2
Type
On Heatsink1
Free Air
HR-10
10
5.0
0.01 to 12.5K
HR-15
15
7.5
0.01 to 22K
1
2
Mounted on 6.0 x 6.0 x 0.05 [ 152 x 152 x 1.2 ] Aluminum Plate or Equivalent
For Non-Inductive Winding, Divide Maximum Resistance by 2
Specification
Value
Tolerances
±1% to ±10% ( Under 1% contact factory )
Temperture Coefficient*
>10Ω : ±20ppm/°C
1Ω to10Ω : ±50ppm/°C
<1Ω : Call Factory
Temperature Range
-55°C to +250°C
Dielectric Strength
1000 VAC
Environmental Performance
(MIL-STD 202)
∆R
Dielectric
±0.2% + 0.05Ω
Load Life
±1% + 0.05Ω
Storage
±0.2% + 0.05Ω
Moisture Resistance
±0.2% + 0.05Ω
Thermal Shock
±0.2% + 0.05Ω
5X Overload ( 5s )
±0.2% + 0.05Ω
Shock
±0.1% + 0.05Ω
Vibration
±0.1% + 0.05Ω
*
TCR is for Resistance Element Only, Copper Leads have TCR of +3900ppm/°C
Ordering Information:
Part Description: Part Type - Resistance - Tolerance - TCR ( If not standard )
Example: HR-15 100 Ohm 5%
For Non-Inductive Windings, insert the letter “N” ( i.e. HRN-10 )
Riedon Inc.
08/15
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704
DIMENSIONS
HR-10
HR-15
Power Derating Curve
120
100
Mo
un
ted
Power ( % )
80
on
H
ea
ts i
nk
60
Fre
e
Air
40
20
0
0
50
100
150
200
250
300
350
Ambient Temperature (°C)
Riedon Inc.
08/15
300 Cypress Avenue
Alhambra CA 91801
www.riedon.com
(626) 284-9901
(626) 284-1704