HFA Series

FIBRE GLASS SUBSTRATE
SILICONE COATED WIRE WOUND
SHATTER PROOF
LOW COST DUE TO AUTOMATION
  • Especially designed for entertainment electronics
  • High positive temperature co-efficient resistors
APPLICABLE STANDARDS - IS - 8909 and Pub 266

Physical configuration


HTR TYPE POWER RATING at 70°C DIMENSIONS (mm) RESISTANCE RANGE  WT. PER PC(gms)
L
±2 		 D
±0.5 		 I
±2 		 d
±0.05 		 MIN MAX
F-1 1W 13.0 4.5 38 0.8 R10 1K3 1.18
F-2 2W 16.0 4.5 38 0.8  R25  2K6  1.20
F-3 3W 18.0 5.2 38 0.8 R32  3K3  1.24
F-5 5W 30.0 5.2 38 0.8 R54 5K6 1.73
F-7 7W 39.0 5.2 38 0.8 R72 7K5 2.03
F-9 9W 45.0 5.2 38 0.8 R84 8K7 2.22
F-10 10W 54.0 5.2 38 0.8 1RO 11K 2.34
Electrical and Environmental Characteristics / Data
 
Test Performance Requirements
Resistance tolerance ± 10% [K] ± 5%[J]
[< 1Ohm + 0.05Ohm]
Rated ambient temperature
[See derating curve]		 at 70°C full power dissipation
Temperature co-efficient ±200 ppm/°C [>10 Ohm]
±450 ppm/°C [<10 Ohm]
±600 ppm/°C [<1 Ohm]
Short time overload Max D R± [2% +0.05Ohm]
Moisture Resistance Max D R± [5% +0.05Ohm]
Load Life Max D R± [5%+0.05Ohm]
Ambient operating temperature range -25°C to +155°C

Derating Curve

NOTE:
1) The leads of the resistor can be bent and cut as per requirements for quick PCB mounting. Please send detailed drawings of the type of preforming required

2) Types F1, F2, and F3 can be supplied in taped form, See taping specifications.
 

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