L18P015D15 Hall Effect Current Sensor - Equivalent & Substitute Parts

Part Overview

The L18P015D15 is a 15A Hall Effect open-loop bidirectional current sensor manufactured by Tamura, designed for AC/DC current measurement applications. This module provides ratiometric voltage output with ±1% linearity and operates across a frequency range of DC to 100kHz. The part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	L18P015D15
Manufacturer	Tamura
Current - Sensing	15A
Sensor Type	Hall Effect, Open Loop
Number of Channels	1
Output Type	Ratiometric, Voltage
For Measuring	AC/DC
Voltage - Supply	±15V
Frequency Range	DC ~ 100kHz
Linearity	±1%
Response Time	5µs
Current - Supply (Max)	15mA
Operating Temperature	-30°C ~ 80°C
Polarization	Bidirectional
Mounting Type	Through Hole
Package / Case	Module
Product Status	Obsolete
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the L18P015D15 is determined by the following critical parameters:

Primary Substitution Criteria:

Current sensing rating (15A nominal)
Hall Effect, open-loop sensor technology
Ratiometric voltage output configuration
Single-channel architecture
Bidirectional polarization capability
Through-hole module mounting
AC/DC measurement capability

Secondary Compatibility Factors:

Supply voltage compatibility (±15V nominal or ±12V ~ 15V range)
Response time performance (5µs baseline)
Operating temperature range (-30°C ~ 80°C minimum)
Linearity specification (±1%)
RoHS compliance status

Substitute parts are grouped into three categories: MFR Recommended (direct replacement with active status), Parametric Equivalents (same current rating, obsolete status), and Similar alternatives (different manufacturer, comparable specifications).

Parameter Comparison

Parameter	L18P015D15	L18P015D15-OP	L18P003D15	L18P005D15	L18P010D15	HX 15-P
Manufacturer	Tamura	Tamura	Tamura	Tamura	Tamura	LEM USA Inc.
Current - Sensing	15A	15A	3A	5A	10A	15A
Sensor Type	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop	Hall Effect, Open Loop
Number of Channels	1	1	1	1	1	1
Output Type	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage
For Measuring	AC/DC	AC/DC	AC/DC	AC/DC	AC/DC	AC/DC
Voltage - Supply	±15V	±12V ~ 15V	±15V	±15V	±15V	±15V
Frequency Range	DC ~ 100kHz	Not specified	DC ~ 100kHz	DC ~ 100kHz	DC ~ 100kHz	50kHz
Linearity	±1%	±1%	±1%	±1%	±1%	±1%
Response Time	5µs	5µs	5µs	5µs	5µs	3µs
Current - Supply (Max)	15mA	18mA	15mA	15mA	15mA	15mA
Operating Temperature	-30°C ~ 80°C	-30°C ~ 80°C	-30°C ~ 80°C	-30°C ~ 80°C	-30°C ~ 80°C	-25°C ~ 85°C
Polarization	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Module	Module	Module	Module	Module	Module
Product Status	Obsolete	Active	Obsolete	Obsolete	Obsolete	Not For New Designs
RoHS Status	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

Primary Recommendation: L18P015D15-OP

The L18P015D15-OP is the MFR recommended substitute and represents the direct evolution of the L18P015D15. This part maintains identical current sensing capability (15A), sensor technology (Hall Effect, open-loop), output configuration (ratiometric voltage), and mechanical compatibility (through-hole module). The L18P015D15-OP carries Active product status, ensuring long-term availability and supply chain continuity. Supply voltage range extends to ±12V ~ 15V, providing broader operational flexibility. Maximum supply current increases to 18mA. RoHS compliance is maintained. This part is suitable for new designs and ongoing production.

Secondary Recommendation: HX 15-P

The HX 15-P, manufactured by LEM USA Inc., provides equivalent current sensing (15A) and maintains all core functional parameters. This part is classified as Not For New Designs but remains available for legacy system support. Response time is superior at 3µs versus 5µs. Operating temperature range extends to -25°C ~ 85°C. Frequency bandwidth is specified at 50kHz, which is lower than the L18P015D15 specification of DC ~ 100kHz. RoHS compliance is confirmed. Selection of this part requires justification for applications where the 50kHz frequency limitation is acceptable.

Parametric Equivalents: L18P003D15, L18P005D15, L18P010D15

These parts share identical sensor technology, output type, and mechanical characteristics but differ in current sensing ratings (3A, 5A, and 10A respectively). These components are classified as Obsolete. Selection of these parts is appropriate only for applications where the lower current rating is sufficient and where the design can accommodate the reduced sensing capability. All three maintain ±1% linearity, 5µs response time, and -30°C ~ 80°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can L18P015D15-OP be used as a direct replacement for L18P015D15?

A: Yes. The L18P015D15-OP is the MFR recommended substitute with identical current sensing (15A), sensor type (Hall Effect, open-loop), output configuration (ratiometric voltage), and mechanical mounting (through-hole module). Supply voltage compatibility is maintained at ±15V nominal operation within the ±12V ~ 15V range. Response time, linearity, and operating temperature specifications are equivalent.

Q: What is the difference between L18P015D15 and L18P015D15-OP?

A: The primary differences are product status (Obsolete versus Active) and packaging (bulk versus tray). The L18P015D15-OP features a slightly extended supply voltage range (±12V ~ 15V versus ±15V) and marginally higher maximum supply current (18mA versus 15mA). Functional performance parameters including current sensing, response time, linearity, and operating temperature are identical.

Q: Can lower-rated current sensors (L18P003D15, L18P005D15, L18P010D15) substitute for the 15A L18P015D15?

A: No. These parts have different current sensing ratings (3A, 5A, 10A respectively) and cannot measure 15A signals. Selection of these parts is limited to applications where the lower current rating is appropriate for the measurement requirement. All share identical sensor technology and output configuration.

Q: Is HX 15-P compatible with L18P015D15?

A: HX 15-P provides equivalent 15A current sensing and maintains core functional parameters (Hall Effect, open-loop, ratiometric voltage output, bidirectional, through-hole module). However, frequency bandwidth is limited to 50kHz compared to L18P015D15 specification of DC ~ 100kHz. Response time is superior at 3µs. Operating temperature range is extended to -25°C ~ 85°C. Selection requires confirmation that the 50kHz frequency limitation is acceptable for the application.

Q: What packaging options are available for 15A Hall Effect current sensors?

A: L18P015D15-OP is supplied in Tray packaging. L18P015D15 and lower-rated Tamura equivalents (L18P003D15, L18P005D15, L18P010D15) are supplied in Bulk packaging. HX 15-P is supplied in Tray packaging. Packaging selection depends on procurement volume and handling requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts (L18P015D15-OP, L18P003D15, L18P005D15, L18P010D15, HX 15-P) carry RoHS Compliant status, meeting environmental and regulatory requirements for electronic component manufacturing and assembly.

Q: What is the significance of product status (Obsolete, Active, Not For New Designs)?

A: Product status indicates lifecycle stage and supply availability. Active status (L18P015D15-OP) indicates current production and long-term availability suitable for new designs. Obsolete status indicates discontinued production; existing inventory may be available but future supply is not guaranteed. Not For New Designs status (HX 15-P) indicates the part remains available but is not recommended for new product development.

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