Ohmite: HS/HSN Series Aluminum Housed Axial Lead Wirewound Resistors

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HS/HSN Series

Aluminum Housed Axial Terminal Wirewound
Industrial/Commercial Grade

Series Power rating (watts) Resistance range (ohms) Max. working voltage

HS100 100 0.05 - 29.4K 1900

HSN100 100 1.0 - 14.7K 1350

HS250 250 0.10 - 35.7K 2300

HSN250 250 1.0 - 17.4K 1625

RoHS compliant product available Jan. 2006 Add "E" suffix to part number to specify.

The HS/HSN Series offers greater power capacity (100 and 250 watts) in the same design format as Ohmite's 89 Series.
HS/HSN Series maintains the same construction, materials, and manufacturing techniques as the 89 Series. As a made-to-order product, it is recommended for higher volume applications.
DERATING

FEATURES

Standard winding (Model HS)
Non-inductive winding (Model HSN)
Molded construction for total environmental protection
Complete welded construction
Mounts on chassis to utilize heat-sink effect
High stability at conventional power ratings
Flat marking surface for easy identification
SPECIFICATIONS
Material

Housing: Aluminum with hard anodic coating.
Internal Coating: Silicone.
Core: Ceramic.
Terminals: Solder-coated axial lead.
Derating: Linearly from 100% @ +25°C to 0% @ +275°C.

Electrical

Tolerance: ±1% and ±5% (other tolerances available).
Power rating: Rating is based on chassis mounting area and temperature stability. Proper heat sink: 12" x 12" x 0.125 Aluminum panel
Maximum ohmic values: See chart.
Overload: 5 times rated wattage for 5 seconds.
Temperature coefficient: Under 1 ohm: ±90 ppm/°C; 1 to 9.99 ohms: ±50 ppm/°C; 10 ohms and over: ±30 ppm/°C.
Dielectric withstanding voltage: 4500VAC.

Dimensions: in. (mm)

	HS100 / HSN100	HS250 / HSN250
in. (mm)	100 watt	250 watt
Dim. A	2.75 ± .010 (69.85 ± .254)	3.875 ± .010 (98.425 ± .254)
Dim. B	2.25 ± .010 (57.15 ± .254)	2.5 ± .010 (63.50 ± .254)
Dim. C	3.50 ± .031 (88.90 ± .787)	4.5 ± .031 (114.30 ± .787)
Dim. D	5.478 ± .093 (139.14 ± 2.36)	6.73 ± .093 (170.94 ± 2.36)
Dim. E	1.812 ± .031 (46.02 ± .787)	2.125 ± .031 (53.98 ± .787)
Dim. F	2.812 ± .031 (71.42 ± .787)	3.0 ± .031 (76.20 ± .787)
Dim. G	1.75 ± .031 (44.45 ± .787)	2.188 ± .031 (55.58 ± .787)
Dim. H	0.188 ± .031 (4.78 ± .787)	0.250 ± .031 (6.35 ± .787)
Dim. I	.770 ± .015 (19.56 ± .381)	0.955 ± .015 (24.26 ± .381)
Dim. J	.375 ± .031 (9.52 ± .787)	0.312 ± .031 (7.92 ± .787)
Dim. K	.188 ± .010 (4.78 ± .254)	0.188 ± .010 (4.78 ± .254)
Dim. L	.219 ± .031 (5.56 ± .787)	0.25 ± .031 (6.35 ± .787)
Dim. M	12 - 24 UNC - 2A THD	1/4 - 20 UNC - 2A THD
Dim. N	.989 ± .031 (25.12 ± .787)	1.25 ± .031 (31.75 ± .787)

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Ohmite Mfg. Co.
1600 Golf Rd., Suite 850
Rolling Meadows, IL 60008
Tel: 1-866-9-OHMITE
(1-866-964-6483)
Int'l: 1-847-258-0300
Fax: 1-847-574-7522
info@ohmite.com
www.ohmite.com