current-sense resistor

Product catalog summary

Overview: The HLD Series is a range of high current shunt/sensing resistors designed for applications where standard current sense resistors are inadequate. They are capable of handling currents up to 100 amps and operate within a temperature range of -55°C to +275°C.

Features:

Resistance values range from 0.003Ω to 0.1Ω.
Power ratings from 1W to 5W.
Various wire alloys and sizes offer flexibility in value, tolerance, and Temperature Coefficient of Resistance (TCR).

Electrical Specifications:

HLD 1: 1.0W, TCR ±100ppm/°C to ±25ppm/°C, resistance range 0.003Ω – 0.100Ω.
HLD 3: 3.0W, TCR ±100ppm/°C to ±25ppm/°C, resistance range 0.003Ω – 0.100Ω.
HLD 5: 5.0W, TCR ±100ppm/°C to ±25ppm/°C, resistance range 0.003Ω – 0.100Ω.

Mechanical Specifications:

HLD 1: Lead spacing 1.10 inches, lead diameter 0.040 inches, total length 1.02 inches.
HLD 3 and HLD 5: Lead spacing 1.00 inches, lead diameter 0.081 inches, total length 2.06 inches.

Performance Characteristics:

Load life tolerance of ±5%.
Thermal EMF of ±40µV/°C.
Overload capability of 5x rated for 5 seconds with ±2 tolerance.
Linear derating from 100% at +25°C to 0% at +275°C.

Ordering Information: The ordering code includes the SEI type, wattage, TCR, resistance value, tolerance, and packaging type. For example, HLD 3 - 0.1 5% A indicates a 3.0W resistor with 0.1Ω resistance, 5% tolerance, and bulk packaging.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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