HASS 500-S Hall Effect Current Sensor Equivalent & Substitute Parts

Part Overview

The HASS 500-S is a Hall Effect open loop bidirectional current sensor manufactured by LEM USA Inc., designed for AC/DC current measurement applications up to 500A. This component features ratiometric voltage output, operates across DC to 50kHz frequency range, and is housed in a through-hole module package.

The HASS 500-S carries a "Not For New Designs" product status designation. This status necessitates identification of equivalent substitute parts for ongoing production requirements, maintenance applications, and design continuity where this sensor remains functionally appropriate.

Key Parameters

Parameter	Value
Manufacturer Part Number	HASS 500-S
Manufacturer	LEM USA Inc.
Series	HASS
Sensor Type	Hall Effect, Open Loop
Current Sensing Range	500A
Number of Channels	1
Output Type	Ratiometric, Voltage
Frequency Range	DC ~ 50kHz
Linearity	±0.5%
Accuracy	±1%
Supply Voltage	5V
Response Time	3µs
Maximum Supply Current	19mA
Operating Temperature Range	-40°C ~ 85°C
Polarization	Bidirectional
Mounting Type	Through Hole
Package Type	Module
Packaging Format	Tray
RoHS Status	RoHS Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts within the HASS series are determined by the following critical parameters that must remain constant across all equivalent options:

Fixed Parameters (Non-Negotiable for Substitution):

Sensor Type: Hall Effect, Open Loop
Output Type: Ratiometric, Voltage
Number of Channels: 1
Frequency Range: DC ~ 50kHz
Linearity: ±0.5%
Accuracy: ±1%
Supply Voltage: 5V
Response Time: 3µs
Maximum Supply Current: 19mA
Operating Temperature Range: -40°C ~ 85°C
Polarization: Bidirectional
Mounting Type: Through Hole
Package Type: Module
Compliance: RoHS Compliant, REACH Unaffected

Variable Parameter (Determines Substitution Applicability):

Current Sensing Range: 50A, 200A, 300A, 400A, 500A

The HASS 500-S can be substituted with HASS 200-S, HASS 300-S, HASS 400-S, or HASS 50-S based on application current requirements. Selection depends on the maximum current that must be measured in the target application.

Parameter Comparison

Parameter	HASS 500-S	HASS 400-S	HASS 300-S	HASS 200-S	HASS 50-S
Current Sensing Range	500A	400A	300A	200A	50A
Sensor Type	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop
Output Type	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage
Number of Channels	1	1	1	1	1
Frequency Range	DC ~ 50kHz	DC ~ 50kHz	DC ~ 50kHz	DC ~ 50kHz	DC ~ 50kHz
Linearity	±0.5%	±0.5%	±0.5%	±0.5%	±0.5%
Accuracy	±1%	±1%	±1%	±1%	±1%
Supply Voltage	5V	5V	5V	5V	5V
Response Time	3µs	3µs	3µs	3µs	3µs
Maximum Supply Current	19mA	19mA	19mA	19mA	19mA
Operating Temperature Range	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Polarization	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Module	Module	Module	Module	Module
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All parts within the HASS series substitute group maintain identical electrical characteristics, frequency response, accuracy specifications, and compliance certifications. Selection among HASS 50-S, HASS 200-S, HASS 300-S, HASS 400-S, and HASS 500-S is determined exclusively by the maximum current measurement requirement of the application.

Selection Criteria:

HASS 50-S: Applications requiring current measurement up to 50A
HASS 200-S: Applications requiring current measurement up to 200A
HASS 300-S: Applications requiring current measurement up to 300A
HASS 400-S: Applications requiring current measurement up to 400A
HASS 500-S: Applications requiring current measurement up to 500A

All substitute parts carry identical "Not For New Designs" product status. All parts are RoHS Compliant and REACH Unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Frequently Asked Questions (FAQ)

Q: Can HASS 200-S be used as a substitute for HASS 500-S?

A: HASS 200-S is electrically and mechanically compatible with HASS 500-S only if the application maximum current requirement does not exceed 200A. The 200A current sensing range of HASS 200-S is the only parameter that differs from HASS 500-S. All other electrical specifications, output characteristics, frequency response, accuracy, and physical mounting are identical.

Q: What is the primary difference between HASS 500-S and other parts in the substitute group?

A: The current sensing range is the only parameter that varies. HASS 500-S measures currents up to 500A, while HASS 400-S measures up to 400A, HASS 300-S up to 300A, HASS 200-S up to 200A, and HASS 50-S up to 50A. All other specifications remain constant across the series.

Q: Are all HASS series parts pin-compatible?

A: Yes. All HASS series parts use identical through-hole module packaging and maintain the same physical form factor, mounting configuration, and electrical interface specifications.

Q: Can a lower-rated sensor be used in place of HASS 500-S?

A: A lower-rated sensor may be used only if the application's maximum current requirement is within the lower sensor's rating. Using a sensor with insufficient current range will result in output saturation and measurement error.

Q: Can a higher-rated sensor be used in place of HASS 500-S?

A: Higher-rated sensors are not available within the provided substitute group. The HASS 500-S represents the maximum current sensing capability within this series.

Q: Do all HASS series parts require identical supply voltage?

A: Yes. All parts in the HASS series require 5V supply voltage and draw a maximum of 19mA supply current.

Q: What is the frequency response limitation for all HASS series sensors?

A: All HASS series sensors operate across DC to 50kHz frequency range with 3µs response time, providing identical dynamic performance characteristics across the entire substitute group.

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