NE555PW Equivalent & Substitute Parts

Part Overview

The NE555PW is a 555 Type Timer/Oscillator (Single) IC manufactured by Texas Instruments, designed for clock and timing applications with a maximum frequency of 100kHz. The device operates across a supply voltage range of 4.5V to 16V and is packaged in an 8-TSSOP surface mount configuration.

The NE555PW carries an Obsolete product status. Locating equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

NE555PW

Texas InstrumentsIn Stock: 1489NE555PW Datasheet

Current PartRFQ

NE555PWR

Texas InstrumentsIn Stock: 105388NE555PWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the NE555PW is determined by strict equivalence across the following critical parameters:

• Functional Type: 555 Type, Timer/Oscillator (Single) IC
• Frequency Rating: 100kHz maximum operating frequency
• Supply Voltage Range: 4.5V ~ 16V
• Supply Current: 10 mA
• Operating Temperature Range: 0°C ~ 70°C
• Package Configuration: 8-TSSOP surface mount package with identical physical dimensions (0.173", 4.40mm Width)
• Electrical Compliance: ROHS3 Compliant, REACH Unaffected status
• Moisture Sensitivity: MSL 1 (Unlimited)

The NE555PWR qualifies as a direct substitute because it maintains identical electrical specifications, package geometry, and compliance certifications while offering Active product status and improved supply availability.

Parameter Comparison

Engineering Selection Recommendations

The NE555PWR is the manufacturer-recommended substitute for the NE555PW. Both parts are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications across all critical parameters. The primary distinction is product lifecycle status: the NE555PW is Obsolete, while the NE555PWR carries Active status with significantly higher inventory availability (105,300 pcs vs. 1,407 pcs).

From a compliance perspective, both parts satisfy ROHS3 and REACH requirements, ensuring regulatory alignment for new designs and legacy system support. The NE555PWR's Active status and robust supply chain position make it the preferred selection for ongoing production requirements.

Frequently Asked Questions (FAQ)

Q: Can the NE555PWR be used as a direct replacement for the NE555PW in existing designs?

A: Yes. The NE555PWR is electrically and mechanically identical to the NE555PW. All electrical parameters, package dimensions, and compliance certifications match exactly. No circuit modifications or PCB layout changes are required.

Q: What is the difference between the NE555PW and NE555PWR?

A: The primary difference is packaging format and product status. The NE555PW is supplied in Tube packaging with Obsolete status. The NE555PWR is supplied in Cut Tape (CT) & Digi-Reel® packaging with Active product status. Electrical and functional specifications are identical.

Q: Are there any thermal or environmental considerations when substituting these parts?

A: No. Both parts operate across the identical temperature range (0°C ~ 70°C) and carry the same Moisture Sensitivity Level (MSL 1 - Unlimited). Environmental handling and storage requirements are equivalent.

Q: Why should I select the NE555PWR over the NE555PW?

A: The NE555PWR offers Active product status with superior supply availability. For new designs, production runs, or long-term system support, the NE555PWR ensures sustained component availability and eliminates obsolescence risk.

Q: Are both parts compliant with current regulatory standards?

A: Yes. Both the NE555PW and NE555PWR are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.