F03P050S05 Current Sensor Flux Gate Equivalent & Substitute Parts

Part Overview

The F03P050S05 is a current sensor manufactured by Tamura, designed for AC current measurement applications. This flux gate, closed-loop bidirectional module provides a 50A sensing range with ratiometric voltage output. The part is classified as obsolete, which necessitates identification of active equivalent alternatives to ensure continued availability and supply chain continuity for new designs and production requirements.

Key Parameters

Parameter	Value
Manufacturer	Tamura
Series	F03P
Sensor Type	Flux Gate, Closed Loop
Current - Sensing	50A
Number of Channels	1
For Measuring	AC
Output Type	Ratiometric, Voltage
Sensitivity	12.5mV/A
Mounting Type	Through Hole
Package / Case	Module
Polarization	Bidirectional
Voltage - Supply	5V
Response Time	0.3µs
Operating Temperature	-40°C ~ 105°C
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the F03P050S05 is based on strict equivalence across the following critical parameters:

Functional Parameters:

Sensor type: Flux gate, closed-loop architecture
Current sensing range: 50A
Measurement mode: AC bidirectional
Number of channels: 1
Output configuration: Ratiometric voltage

Electrical Parameters:

Sensitivity: 12.5mV/A
Supply voltage: 5V nominal
Response time: 0.3µs
Frequency: 300kHz
Operating temperature range: -40°C ~ 105°C

Mechanical Parameters:

Mounting: Through hole
Package type: Module

Compliance Parameters:

RoHS compliance status
ECCN and HTSUS classifications

The F03P050S05L qualifies as a direct substitute based on identical functional, electrical, and mechanical parameters. The primary distinction is product status: F03P050S05L is active production, whereas F03P050S05 is obsolete.

Parameter Comparison

Parameter	F03P050S05 (Main Part)	F03P050S05L (Substitute)
Manufacturer	Tamura	Tamura
Series	F03P	F03P
Product Status	Obsolete	Active
Sensor Type	Flux Gate, Closed Loop	Flux Gate, Closed Loop
Current - Sensing	50A	50A
Number of Channels	1	1
For Measuring	AC	AC
Output Type	Ratiometric, Voltage	Ratiometric, Voltage
Sensitivity	12.5mV/A	12.5mV/A
Frequency	300kHz	300kHz
Linearity	±1%	±0.1%
Voltage - Supply	5V	4.75V ~ 5.25V
Response Time	0.3µs	0.3µs
Current - Supply (Max)	55mA	55mA
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C
Polarization	Bidirectional	Bidirectional
Mounting Type	Through Hole	Through Hole
Package / Case	Module	Module
Packaging	Bulk	Tray
RoHS Status	RoHS Compliant	ROHS3 Compliant
ECCN	EAR99	EAR99
HTSUS	9030.33.3800	9030.33.3800

Engineering Selection Recommendations

Primary Substitute: F03P050S05L

The F03P050S05L is the direct equivalent for the obsolete F03P050S05. Selection of this substitute is based on the following engineering criteria:

Product Status: F03P050S05L maintains active production status, ensuring long-term availability and supply chain reliability. The F03P050S05 is obsolete and subject to inventory depletion.

Functional Equivalence: Both parts maintain identical sensor architecture, current sensing range, measurement mode, and output characteristics. The 50A flux gate, closed-loop design with 12.5mV/A sensitivity and 0.3µs response time is preserved.

Electrical Compatibility: Supply voltage specification for F03P050S05L (4.75V ~ 5.25V) encompasses the nominal 5V requirement of the original part. Maximum supply current remains 55mA. Operating temperature range is identical.

Mechanical Compatibility: Through-hole mounting and module package type are unchanged, ensuring PCB layout compatibility.

Compliance Enhancement: F03P050S05L carries ROHS3 compliance certification, representing current regulatory standards. Both parts share identical ECCN and HTSUS classifications.

Performance Improvement: F03P050S05L demonstrates improved linearity specification (±0.1% versus ±1%), providing enhanced measurement accuracy in AC current applications.

Frequently Asked Questions (FAQ)

Q: Can F03P050S05L be used as a direct replacement for F03P050S05 in existing designs?

A: Yes. F03P050S05L is functionally and electrically equivalent. Identical sensor type, current range, sensitivity, response time, and operating temperature range ensure direct substitution. Through-hole mounting and module package type are unchanged. PCB layout modifications are not required.

Q: What is the primary reason for substitution?

A: F03P050S05 is classified as obsolete. F03P050S05L is the active production equivalent, ensuring continued component availability and supply chain continuity.

Q: Are there differences in supply voltage specifications?

A: F03P050S05 specifies 5V nominal supply. F03P050S05L specifies 4.75V ~ 5.25V operating range. This wider tolerance window is compatible with standard 5V supply designs and provides improved voltage regulation margin.

Q: Does packaging differ between the two parts?

A: Yes. F03P050S05 is supplied in bulk packaging. F03P050S05L is supplied in tray packaging. This difference affects handling and storage procedures but does not impact electrical or mechanical performance.

Q: What is the difference in linearity specifications?

A: F03P050S05 specifies ±1% linearity. F03P050S05L specifies ±0.1% linearity. The substitute part provides improved measurement accuracy for AC current sensing applications.

Q: Are both parts RoHS compliant?

A: Yes. F03P050S05 is RoHS compliant. F03P050S05L is ROHS3 compliant, representing current regulatory standards. Both meet environmental and hazardous substance restrictions.

Q: Is the 50A current sensing range identical?

A: Yes. Both parts provide 50A current sensing capacity with identical 12.5mV/A sensitivity and 0.3µs response time for AC bidirectional measurement.

Q: What mounting considerations apply?

A: Both parts use through-hole mounting. PCB footprint and mounting hole specifications remain identical, eliminating design modifications.

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