L18P030D15 Hall Effect Current Sensor - Equivalent & Substitute Parts

Part Overview

The L18P030D15 is a 30A Hall Effect open-loop bidirectional current sensor manufactured by Tamura. This through-hole module provides ratiometric voltage output for AC/DC current measurement across a frequency range of DC to 100kHz. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The L18P030D15-OP represents the active production equivalent with enhanced specifications and improved supply voltage tolerance.

Key Parameters

Parameter	Value
Manufacturer Part Number	L18P030D15
Manufacturer	Tamura
Current Sensing Range	30A
Sensor Type	Hall Effect, Open Loop
Number of Channels	1
Output Type	Ratiometric, Voltage
Measurement Type	AC/DC
Polarization	Bidirectional
Frequency Range	DC ~ 100kHz
Linearity	±1%
Supply Voltage	±15V
Response Time	5µs
Maximum Supply Current	15mA
Operating Temperature Range	-30°C ~ 80°C
Mounting Type	Through Hole
Package Type	Module
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution logic for the L18P030D15 is based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Sensor Type: Hall Effect, Open Loop
Output Type: Ratiometric, Voltage
Measurement Type: AC/DC
Polarization: Bidirectional
Mounting Type: Through Hole
Package Type: Module
Linearity: ±1%
Response Time: 5µs
Operating Temperature Range: -30°C ~ 80°C
Supply Voltage Compatibility: ±15V nominal

Current Sensing Range Grouping: Substitute parts are organized by current sensing capacity. The L18P030D15 (30A) can be substituted with the active-production L18P030D15-OP (30A). Lower current-rated sensors (L18P003D15, L18P005D15, L18P010D15, L18P025D15) share identical electrical and mechanical characteristics but differ in current measurement range and are suitable only when application requirements permit reduced current capacity.

Parameter Comparison

Parameter	L18P030D15	L18P030D15-OP	L18P025D15	L18P010D15	L18P005D15	L18P003D15
Current Sensing	30A	30A	25A	10A	5A	3A
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
Measurement Type	AC/DC	AC/DC	AC/DC	AC/DC	AC/DC	AC/DC
Polarization	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional	Bidirectional
Frequency Range	DC ~ 100kHz	Not specified	DC ~ 100kHz	DC ~ 100kHz	DC ~ 100kHz	DC ~ 100kHz
Linearity	±1%	±1%	±1%	±1%	±1%	±1%
Supply Voltage	±15V	±12V ~ 15V	±15V	±15V	±15V	±15V
Response Time	5µs	5µs	5µs	5µs	5µs	5µs
Maximum Supply Current	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	-30°C ~ 80°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Module	Module	Module	Module	Module	Module
RoHS Status	RoHS Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant
Product Status	Obsolete	Active	Obsolete	Obsolete	Obsolete	Obsolete

Engineering Selection Recommendations

Direct Replacement (30A Current Sensing): The L18P030D15-OP is the recommended substitute for the obsolete L18P030D15. Both parts maintain identical 30A current sensing capacity and share all critical electrical parameters. The L18P030D15-OP offers active product status, ROHS3 compliance (enhanced environmental standard), and improved supply voltage tolerance (±12V ~ 15V versus ±15V nominal). Maximum supply current increases from 15mA to 18mA, representing improved operational margin. This part is suitable for direct PCB replacement without design modification.

Alternative Selections (Reduced Current Sensing): The L18P025D15, L18P010D15, L18P005D15, and L18P003D15 are parametric equivalents that share all electrical and mechanical characteristics with the L18P030D15 except for current sensing range. These parts are applicable only when application requirements permit operation at reduced current measurement capacity. All alternative selections maintain identical response time (5µs), linearity (±1%), operating temperature range (-30°C ~ 80°C), and output characteristics (ratiometric voltage).

Compliance Considerations: All substitute parts maintain RoHS compliance. The L18P030D15-OP provides enhanced ROHS3 certification. All parts are classified under ECCN EAR99 and HTSUS 9030.33.3800.

Frequently Asked Questions (FAQ)

Q: Can the L18P030D15-OP be used as a direct replacement for the L18P030D15? A: Yes. The L18P030D15-OP is the active production equivalent with identical 30A current sensing capacity and all critical electrical parameters. The part features improved supply voltage tolerance and ROHS3 compliance. No design modification is required.

Q: What is the difference between the L18P030D15 and lower-rated sensors like the L18P025D15? A: The primary difference is current sensing range. The L18P030D15 measures up to 30A, while the L18P025D15 measures up to 25A. All other electrical characteristics—sensor type, output format, response time, linearity, operating temperature, and supply voltage—are identical. Lower-rated sensors are suitable only when application current requirements are within their specified range.

Q: Are the L18P030D15 and L18P030D15-OP pin-compatible? A: Both parts are through-hole modules with identical mounting type and package classification. Pin compatibility is confirmed by matching electrical specifications and identical functional characteristics.

Q: What packaging options are available for the L18P030D15-OP? A: The L18P030D15-OP is supplied in Tray packaging. The obsolete L18P030D15 was supplied in standard packaging. Verify packaging requirements for your procurement process.

Q: Can I substitute a lower current-rated sensor if my application only requires 10A measurement? A: Yes, if your application requires only 10A measurement capacity, the L18P010D15 is a parametric equivalent. All electrical and mechanical characteristics remain identical to the L18P030D15. Verify that your signal processing and output scaling accommodate the different current range.

Q: What is the frequency response of these current sensors? A: The L18P030D15 and all lower-rated equivalents (L18P025D15, L18P010D15, L18P005D15, L18P003D15) operate across DC to 100kHz frequency range. The L18P030D15-OP does not specify frequency range in available documentation.

Q: Are these sensors suitable for both AC and DC current measurement? A: Yes. All parts are rated for AC/DC measurement with bidirectional polarization, enabling measurement of current flow in both directions.

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