Tamura L07P025S05 Hall Effect Current Sensor 25A AC/DC Equivalent & Substitute Parts

Part Overview

The Tamura L07P025S05 is a Hall Effect open-loop bidirectional current sensor rated for 25A AC/DC measurement. This component is classified as obsolete product status. The L07P025S05 operates as a single-channel ratiometric voltage output module with 5V supply, designed for through-hole mounting applications. Due to its obsolete status, equivalent and substitute parts from the active L18P series provide functional alternatives with maintained electrical and mechanical compatibility for new designs and production continuity.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution of the L07P025S05 is determined by the following critical parameters that must remain constant across equivalent parts:

Fixed Parameters (Non-Negotiable):

Sensor Type: Hall Effect, Open Loop
Output Type: Ratiometric, Voltage
Frequency Range: DC ~ 100kHz
Linearity: ±1%
Voltage Supply: 5V
Response Time: 5µs
Operating Temperature: -30°C ~ 80°C
Polarization: Bidirectional
Mounting Type: Through Hole
Package Type: Module
RoHS Compliance: Required

Variable Parameter (Application-Dependent):

Current Sensing Rating: Substitutes available from 3A to 20A

The L07P025S05 can be substituted with lower current-rated sensors (L18P003S05, L18P005S05, L18P010S05, L18P015S05, L18P020S05) when the application circuit requires reduced current measurement capacity. All substitute parts maintain identical electrical characteristics, frequency response, output behavior, and thermal specifications. The L18P series represents the active production equivalent line, with enhanced supply current efficiency (15mA maximum versus 30mA) in lower current ratings.

Parameter Comparison

Part Number	Series	Current Rating	Status	Supply Current (Max)	Frequency	Response Time	Linearity	Voltage Supply	Inventory
L07P025S05	L07P	25A	Obsolete	30mA	DC ~ 100kHz	5µs	±1%	5V	1079 Pcs
L07P010S05	L07P	10A	Active	30mA	DC ~ 100kHz	5µs	±1%	5V	987 Pcs
L18P003S05	L18PXXXS05	3A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	775 Pcs
L18P003S05R	L18PXXXS05	3A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	835 Pcs
L18P005S05	L18PXXXS05	5A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	887 Pcs
L18P005S05R	L18PXXXS05	5A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	812 Pcs
L18P010S05	L18PXXXS05	10A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	1005 Pcs
L18P010S05R	L18PXXXS05	10A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	663 Pcs
L18P015S05	L18PXXXS05	15A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	1019 Pcs
L18P015S05R	L18PXXXS05	15A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	979 Pcs
L18P020S05	L18PXXXS05	20A	Active	15mA	DC ~ 100kHz	5µs	±1%	5V	1040 Pcs

Engineering Selection Recommendations

For Direct Replacement (Obsolete Part Mitigation):

The L07P010S05 from the same L07P series provides the closest functional equivalent while maintaining active product status. This part retains the 30mA supply current specification of the original L07P025S05 and is currently in active production with 987 units in stock.

For New Design Implementation:

The L18P series represents Tamura's current production line for Hall Effect current sensors. All L18P variants are classified as active products with enhanced power efficiency (15mA maximum supply current). Selection within the L18P series depends on application current measurement requirements:

L18P003S05 / L18P003S05R: 3A applications
L18P005S05 / L18P005S05R: 5A applications
L18P010S05 / L18P010S05R: 10A applications
L18P015S05 / L18P015S05R: 15A applications
L18P020S05: 20A applications

All substitute parts maintain RoHS compliance certification. The L18P020S05 carries ROHS3 compliance designation. Through-hole mounting configuration is consistent across all alternatives. No design modifications to PCB layout or signal conditioning circuits are required when substituting between listed parts, provided the application current measurement range does not exceed the selected sensor's rated capacity.

Frequently Asked Questions (FAQ)

Q: Can the L07P025S05 be directly replaced with any L18P series sensor?

A: Yes, any L18P series sensor listed in the substitute parts table can replace the L07P025S05 from an electrical and mechanical standpoint. Selection depends on the maximum current your application requires. If your circuit measures currents up to 25A, the L18P020S05 is the highest-rated option. For lower current applications, select the L18P part matching your measurement range.

Q: What is the difference between L18P010S05 and L18P010S05R?

A: Both parts are 10A Hall Effect current sensors with identical electrical specifications, frequency response, and output characteristics. The "R" designation indicates a variant designation within the L18P series. Both are active products with equivalent performance and can be used interchangeably in circuit design.

Q: Why do L18P series parts have lower supply current (15mA) compared to the L07P025S05 (30mA)?

A: The L18P series represents an improved generation of Tamura current sensors with enhanced power efficiency. The reduced supply current requirement does not affect output signal quality, linearity, or frequency response. This improvement reduces overall system power consumption and heat generation.

Q: Are all substitute parts RoHS compliant?

A: Yes. All L07P and L18P series parts listed are RoHS compliant. The L18P020S05 specifically carries ROHS3 compliance certification. All parts meet environmental and hazardous substance restrictions for electronic component manufacturing.

Q: Can I use a lower-rated current sensor (e.g., L18P005S05) in a circuit designed for 25A measurement?

A: No. The current sensor rating must equal or exceed the maximum current your application will measure. Using an undersized sensor will result in output saturation and loss of measurement accuracy. Select a sensor rated for the peak current in your application.

Q: What is the frequency response capability of these sensors?

A: All listed sensors operate across DC to 100kHz frequency range with 5µs response time. This specification applies uniformly to L07P025S05, L07P010S05, and all L18P series variants, enabling measurement of both DC and AC currents within this bandwidth.

Q: Are there packaging differences between substitute parts?

A: All parts use through-hole mounting in module package configuration. The L18P020S05 is specified with Bulk packaging, while other parts do not specify packaging designation. All maintain identical physical form factor and PCB mounting interface.

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