HIR Series

SILICONE COATED WIRE WOUND RESISTORS 
INDUSTRIAL / PROFESSIONAL APPLICATION
  • Hi Power Silicone Coated
  • Highly stable
  • 10 W to 400 W
  • R 25 to 100 K
  • Useful for inexpensively dissipating large amounts of power in DC or low frequency AC circuits
APPLICABLE STANDARDS - JSS - 50402 (Pattern RFHT -2), IS - 8909 (Type FRP4), IEC - Pub 266 and Pub 266A [Type - 2E] MIL - R 26, Char, V or Char U (depending on resistance tolerance)

Physical configuration

MOUNTING SPECIFICATIONS
 
Bracket type X Y Z H Mounting slot C B
101 26.9 12.7 21.83 25.4 5.5 x 11.11 19.05 34.92
102 26.9 19.5 21.83 31.75 5.5 x 11.11 19.05 44.45
103 26.9 32.0 25.40 38.10 7.1 x 14.30 22.22 53.98

 
 
Bracket Type X (Approximate)
301 11.11
303 6.35

 
 
HTR TYPE POWER RATING at 70°C DIMENSIONS (mm) MOUNTING HARDWARE AVAILABLE RESISTANCE RANGE 
L
±3		 D
±1		 d
±1		 H
±3.0		 W
±0.3		 øid
±0.1		 MIN MAX
R-10  10 W 27.0 15.0  7.7 17.0  4.4 1.6 101/301 R25 1K0
R-15  15 W 40.0 15.0 7.7 17.0 4.4 1.6 101/301 1R0 3K0
R-20  20 W 60.0 15.0 7.7 17.5 5.0 2.2 101/301 1R6 5K0
R-25  25 W 75.0 15.0 7.7 17.5 5.0 2.2 101/301 2R0 10K
R-40  40 W 75.0 26.0 14.3 23.0 5.0 2.2 102/303 3R9 15K
R-50 50W 100.0 26.0 14.3 23.0 5.0 2.2 102/303 5R5 20K
R-60  60 W 115.0 26.0 14.3 27.0 7.1 3.6 102/303 6R1 25K
R-80  80 W 130.0 26.0 14.3 27.0 7.1 3.6 102/303 6R8 35K
R-100  100 W 150.0 33.2 19.1 30.6 7.1 3.6 103/303 11R 40K
R-120 120W 165.0 33.2 19.1 30.6 7.1 3.6 103/303 12R 47K
R-140 140W 200.0 33.2 19.1 30.6 7.1 3.6 103/303 15R 56K
R-200 200W 250.0 33.2 19.1 30.6 7.1 3.6 103/303 20R 68K
R-300 300 W 250.0 45.0 24.0 42.5 10.2 6.0   26R 75K
R-400 400 W 330.0 45.0 24.0 42.5 10.2 6.0   36R 100K
Electrical and Environmental Characterstics / Data
 
Test  Performance Requirements
Resistance tolerance ± 5% [J] and ± 2%[G] [Char U only ]
± 10% [K] [<1ohms]
Rated ambient temperature [ see derating curve] at 70°C full power dissipation
Di-electric withstanding voltage Max. D R ± [1%+0.05ohms]
Insulation resistance >1000 M
Temperature co-efficient ± 100 ppm/ °C [ For low values, TCR will be higher ]
Short time overload Max D R ±[ 2%+0.05ohms]
Moisture Resistance Max D R ± [5%+0.05ohms]
Load life Max D R ± [5%+0.05ohms]

NOTE

  1. Resistance values below and above the shown resistance range are possible on request.
  2. Non-inductive types in this series are possible.
  3. Dimensions given are to be used as a guide only, they can be varied to a certain extent due to technical reasons. For example, larger terminals may be used for very low values.

 

Eurocap International Limited.   138 High Street,  Cheshunt,  Herts,  EN8 0AP  England.
Tel    +44 (0)1992 625407      Fax   +44 (0)1992 625420
Email eurocap@dial.pipex.com