MPXA4115AP Equivalent & Substitute Parts

Part Overview

The MPXA4115AP is an absolute pressure sensor manufactured by NXP Semiconductors, designed for board mount applications requiring analog voltage output. This sensor measures pressures from 2.18 PSI to 16.68 PSI (15 kPa to 115 kPa) with a male barbless tube port of 0.13" (3.17 mm) diameter. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Manufacturer	NXP Semiconductors
Pressure Range	2.18 PSI ~ 16.68 PSI (15 kPa ~ 115 kPa)
Output Type	Analog Voltage
Output Voltage	0.2 V ~ 4.8 V
Supply Voltage	4.85 V ~ 5.35 V
Accuracy	±1.5%
Port Size	Male - 0.13" (3.17 mm) Tube
Port Style	Barbless
Package Type	8-SMD, Gull Wing, Side Port
Operating Temperature	-40°C ~ 125°C
Maximum Pressure	58.02 PSI (400 kPa)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the MPXA4115AP is determined by the following critical parameters that must remain consistent:

Pressure measurement range: 2.18 PSI ~ 16.68 PSI (15 kPa ~ 115 kPa)
Sensor type: Absolute pressure
Output type: Analog voltage
Port configuration: Male - 0.13" (3.17 mm) tube
Package: 8-SMD, Gull Wing, Side Port
Temperature range: -40°C ~ 125°C
Accuracy: ±1.5%

The MPXAZ6115AP and MPXAZ6115APT1 meet these core functional requirements. Both are active production parts from the MPXAZ6115A series, offering identical pressure measurement capability and package configuration. The primary differences are in output voltage range and supply voltage specifications, which remain within acceptable operational tolerances for most applications.

Parameter Comparison

Parameter	MPXA4115AP	MPXAZ6115AP	MPXAZ6115APT1
Manufacturer	NXP Semiconductors	NXP Semiconductors	NXP Semiconductors
Product Status	Obsolete	Active	Active
Pressure Range	2.18 ~ 16.68 PSI (15 ~ 115 kPa)	2.18 ~ 16.68 PSI (15 ~ 115 kPa)	2.18 ~ 16.68 PSI (15 ~ 115 kPa)
Output Voltage	0.2 V ~ 4.8 V	0.2 V ~ 4.7 V	0.2 V ~ 4.7 V
Supply Voltage	4.85 V ~ 5.35 V	4.75 V ~ 5.25 V	4.75 V ~ 5.25 V
Accuracy	±1.5%	±1.5%	±1.5%
Port Size	Male - 0.13" (3.17 mm)	Male - 0.13" (3.17 mm)	Male - 0.13" (3.17 mm)
Port Style	Barbless	Barbed	Barbed
Package	8-SMD, Gull Wing, Side Port	8-SMD, Gull Wing, Side Port	8-SMD, Gull Wing, Side Port
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Maximum Pressure	58.02 PSI (400 kPa)	58.02 PSI (400 kPa)	58.02 PSI (400 kPa)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The MPXAZ6115AP is the manufacturer-recommended substitute for the obsolete MPXA4115AP. Both MPXAZ6115AP and MPXAZ6115APT1 are active production parts with full ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance for new designs and production continuity.

The MPXAZ6115AP offers superior inventory availability (100,200 pieces) compared to MPXAZ6115APT1 (2,151 pieces), making it the preferred choice for volume applications. Both substitute parts maintain the same pressure measurement range, accuracy specification, and thermal operating window as the original part.

The output voltage range difference (0.2 V ~ 4.7 V versus 0.2 V ~ 4.8 V) and supply voltage tolerance adjustment (4.75 V ~ 5.25 V versus 4.85 V ~ 5.35 V) represent minor variations within standard engineering practice for this sensor category. The barbed port style on substitute parts provides enhanced mechanical retention compared to the barbless design of the original part.

Frequently Asked Questions (FAQ)

Q: Can MPXAZ6115AP directly replace MPXA4115AP in existing designs?

A: Yes. Both parts share identical pressure measurement range, accuracy, package configuration, and operating temperature specifications. The output voltage range difference (0.1 V maximum) and supply voltage tolerance adjustment are within acceptable operational parameters for most applications.

Q: What is the difference between MPXAZ6115AP and MPXAZ6115APT1?

A: Both parts are functionally equivalent with identical electrical specifications. The primary difference is packaging: MPXAZ6115AP is supplied in Tray packaging with significantly higher inventory availability, while MPXAZ6115APT1 uses alternative packaging. For most applications, MPXAZ6115AP is the preferred selection.

Q: Does the barbed port style on substitute parts affect compatibility?

A: The barbed port design on MPXAZ6115A series parts provides improved mechanical retention in tubing connections compared to the barbless design of MPXA4115AP. This represents an enhancement for applications requiring secure pneumatic connections. Existing tubing interfaces designed for barbless ports will accommodate barbed ports without functional degradation.

Q: Are the substitute parts compliant with current regulatory requirements?

A: Yes. Both MPXAZ6115AP and MPXAZ6115APT1 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components.

Q: What is the impact of the supply voltage tolerance change?

A: The MPXAZ6115A series operates within 4.75 V ~ 5.25 V, compared to the original 4.85 V ~ 5.35 V specification. This represents a narrower tolerance window that is standard for active production sensors. System power supplies designed for the original part will operate within the substitute part's tolerance range without modification.

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