Tamura L07P025D15 Hall Effect Current Sensor - Equivalent & Substitute Parts

Part Overview

The Tamura L07P025D15 is a 25A AC/DC Hall Effect current sensor featuring open-loop bidirectional measurement capability in a through-hole module package. This component is classified as obsolete, necessitating identification of equivalent and substitute parts for ongoing design requirements and procurement planning. The sensor provides ratiometric voltage output with ±1% linearity across a DC to 100kHz frequency range, operating from ±15V supply voltage with 5µs response time.

Key Parameters

Parameter	Value
Manufacturer Part Number	L07P025D15
Manufacturer	Tamura
Series	L07P
Product Status	Obsolete
Current - Sensing	25A
Number of Channels	1
Sensor Type	Hall Effect, Open Loop
For Measuring	AC/DC
Output	Ratiometric, Voltage
Frequency Range	DC ~ 100kHz
Linearity	±1%
Voltage - Supply	±15V
Response Time	5µs
Current - Supply (Max)	30mA
Operating Temperature	-30°C ~ 80°C
Polarization	Bidirectional
Mounting Type	Through Hole
Package / Case	Module
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution logic for the L07P025D15 is based on the following critical parameters that must align for functional equivalence:

Primary Compatibility Criteria:

Sensor Type: Hall Effect, Open Loop
For Measuring: AC/DC
Output Type: Ratiometric, Voltage
Voltage - Supply: ±15V
Polarization: Bidirectional
Mounting Type: Through Hole
Package / Case: Module

Secondary Compatibility Criteria:

Linearity: ±1%
Response Time: 5µs
Operating Temperature: -30°C ~ 80°C
RoHS Compliance

Current Rating Variations: Substitute parts are grouped by current-sensing capacity. The L07P025D15 at 25A can be substituted with parts rated at 25A (direct equivalent) or lower current ratings (3A, 5A, 10A) when application requirements permit reduced current capacity. Lower-rated sensors maintain identical electrical characteristics and output behavior within their respective current ranges.

Channel Configuration: The L07P025D15S variant provides 2-channel configuration versus the 1-channel L07P025D15, representing a functional enhancement rather than a direct substitute, applicable when multi-channel measurement is required.

Parameter Comparison

Parameter	L07P025D15	L07P025D15S	L18P025D15	L18P010D15	L18P005D15	L18P003D15
Current - Sensing	25A	25A	25A	10A	5A	3A
Number of Channels	1	2	1	1	1	1
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
For Measuring	AC/DC	AC/DC	AC/DC	AC/DC	AC/DC	AC/DC
Output	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage	Ratiometric, Voltage
Frequency Range	DC ~ 100kHz	Not Specified	DC ~ 100kHz	DC ~ 100kHz	DC ~ 100kHz	DC ~ 100kHz
Linearity	±1%	±1%	±1%	±1%	±1%	±1%
Voltage - Supply	±15V	±15V	±15V	±15V	±15V	±15V
Response Time	5µs	5µs	5µs	5µs	5µs	5µs
Current - Supply (Max)	30mA	30mA	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	-30°C ~ 80°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	Obsolete
RoHS Status	RoHS Compliant	Not Specified	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant

Engineering Selection Recommendations

Direct Equivalent (Preferred for Obsolete Part Replacement):

The L07P025D15S is the manufacturer-recommended substitute, providing identical 25A current-sensing capacity with enhanced 2-channel configuration. This part maintains all critical electrical parameters including ±15V supply, ±1% linearity, 5µs response time, and bidirectional AC/DC measurement capability. The L07P025D15S is classified as Active product status, ensuring long-term availability and supply chain continuity. Selection of this part eliminates current-sensing derating and provides additional measurement capability without electrical redesign.

Parametric Equivalents (Current Rating Reduction):

The L18P025D15 provides direct 25A current-sensing equivalence with identical electrical specifications. However, this part is classified as Obsolete, offering no advantage over the original L07P025D15 for new designs.

The L18P010D15, L18P005D15, and L18P003D15 represent lower current-rated alternatives suitable only when application requirements permit reduced current measurement capacity. These parts maintain identical sensor type, output characteristics, frequency response, linearity, supply voltage, response time, and operating temperature range. Selection of lower-rated sensors requires confirmation that measured currents remain within the specified current-sensing range.

Compliance Considerations:

All recommended substitutes maintain RoHS Compliance status consistent with the original L07P025D15. The L07P025D15S is the only Active product among all equivalent options, providing superior long-term procurement reliability and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Can the L07P025D15S be used as a direct replacement for L07P025D15?

A: Yes. The L07P025D15S maintains all critical electrical parameters: 25A current-sensing, Hall Effect open-loop sensor type, ratiometric voltage output, ±15V supply, ±1% linearity, 5µs response time, bidirectional AC/DC measurement, through-hole mounting, and module package. The primary difference is 2-channel configuration versus 1-channel, representing functional enhancement. The L07P025D15S is Active product status, ensuring availability.

Q: What is the difference between L07P025D15 and L18P025D15?

A: Both parts provide 25A current-sensing with identical electrical specifications. The primary distinction is product status: L07P025D15 is Obsolete (original part), while L18P025D15 is also Obsolete. Neither offers procurement advantage. The L07P025D15S (Active status) is the preferred replacement.

Q: Can lower-rated sensors (L18P010D15, L18P005D15, L18P003D15) replace the 25A L07P025D15?

A: Lower-rated sensors maintain identical sensor type, output characteristics, frequency response, linearity, supply voltage, response time, and operating temperature. Substitution is valid only when application current requirements are confirmed to remain within the lower sensor's current-sensing range. For example, L18P005D15 is suitable for applications measuring currents up to 5A.

Q: Are all substitute parts RoHS Compliant?

A: The L07P025D15, L18P025D15, L18P010D15, L18P005D15, and L18P003D15 are all RoHS Compliant. RoHS status for L07P025D15S is not specified in available documentation.

Q: What is the significance of the "Bidirectional" polarization specification?

A: Bidirectional polarization indicates the sensor measures current flow in both directions, essential for AC current measurement and applications requiring detection of current reversal. All substitute parts maintain this specification.

Q: Does the 2-channel L07P025D15S require circuit redesign?

A: The L07P025D15S maintains identical electrical interface and pin configuration for the primary channel, allowing direct substitution without circuit modification. The additional channel provides supplementary measurement capability without affecting existing circuit operation.

Q: What is the maximum supply current difference between L07P025D15 (30mA) and L18P series (15mA)?

A: The L07P025D15 draws maximum 30mA supply current, while L18P series parts draw maximum 15mA. This difference reflects internal circuit design variations. Selection should confirm power supply capacity accommodates the specified maximum supply current for the chosen part.

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