Datasheet > HS250 3K F

HS250 3K F

更新时间： 2024-02-18 16:20:19

品牌	Logo	应用领域
OHMITE		/
页数	文件大小	规格书
3页	427K
描述
RES CHAS MNT 3K OHM 1% 250W

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数据手册

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HS250 3K F 数据手册

HS Aluminium Housed Resistors

Manufactured in line with the requirements of MIL 18546 and

IEC 115, designed for direct heatsink mounting with thermal

compound to achieve maximum performance.

• High Power to volume

• Wound to maximise High Pulse Capability

• Values from R005 to 100K

• Custom designs welcome

• RoHS Compliant

Characteristics

Tolerance (Code):

Standard 5% (J) and 10% (K). Also available 1% (F), 2% (G) and 3% (H)

Typically ≥ R05 5% ≤ R047 10%

Tolerance for low Ω values:

Temperature coefﬁcients:

Insulation resistance (Dry):

Power dissipation:

Typical values < 1K 100ppm Std. > 1K 25ppm Std. For lower TCR’s please contact Arcol

10,000 MΩ minimum

At high ambient temperature dissipation derates linearly to zero at 200°C

From R005 to 100K depending on wattage size

Ohmic values:

Low inductive (NHS):

NHS ohmic value:

Specify by adding N before HS Series code, e.g. NHS50

Divide standard HS maximum value by 4

NHS working volts:

Divide standard HS maximum working voltage by 1.414

Temp. Rise & Power Dissipation

Heat Dissipation

Surface temperature of resistor related to power dissipation.

The resistor is standard heatsink mounted using a proprietary

heatsink compound.

Heat dissipation: Whilst the use of proprietary heat sinks

with lower thermal resistances is acceptable, uprating is not

recommended. For maximum heat transfer it is recommended

that a heat sink compound be applied between the resistor

base and heat sink chassis mounting surface. It is essential that

the maximum hot spot temperature of 200°C is not exceeded,

therefore, the resistor must be mounted on a heat sink of

correct thermal resistance for the power being dissipated.

200

HS300

HS250

HS150

HS50

HS200

HS25

HS15

100

HS100

HS75

HS10

Ordering Procedure

Standard Resistor. To specify standard: Series, Watts, Ohmic

Value, Tolerance Code, e.g.: HS25 2R2 J

75 100

150

200

250

300

POWER DISSIPATION (WATTS)

Non Inductive Resistor. To specify add N, e.g.: NHS100 10R J

ARCOL UK Limited,

The information contained herein does not form part of a

contract and is subject to change without notice. ARCOL

operate a policy of continual product development, therefore,

speciﬁcations may change.

Threemilestone Ind. Estate,

Truro, Cornwall, TR4 9LG, UK.

T +44 (0) 1872 277431

F +44 (0) 1872 222002

It is the responsibility of the customer to ensure that the

component selected from our range is suitable for the intended

application. If in doubt please ask ARCOL.

E sales arcolresistors.com

For more information and ordering, please consult

www.arcolresistors.com

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