IMP001-US-R-ENG Equivalent & Substitute Parts

Part Overview

The IMP001-US-R-ENG is an RF transceiver module designed for wireless LAN applications operating in the 2.4GHz band with 802.11 b/g/n protocol support. This component integrates I2C, SPI, and UART interfaces for system integration, delivering -97dBm sensitivity and 16.75dBm output power across a 1.8V to 3.6V supply range.

The IMP001-US-R-ENG carries a "Not For New Designs" product status designation. This classification necessitates identification of equivalent substitute components for ongoing production requirements, maintenance applications, and design continuity where legacy system support is required.

Substiute Parts

IMP001-US-R-ENG

Electric Imp Inc.In Stock: 928IMP001-US-R-ENG Datasheet

Current PartRFQ

IMP001-US-B

Electric Imp Inc.In Stock: 1447IMP001-US-B Datasheet

DirectRFQ

LBWA1UZ1GC-901

Murata ElectronicsIn Stock: 2316LBWA1UZ1GC-901 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the IMP001-US-R-ENG are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes maintain identical or equivalent electrical specifications across all critical parameters: protocol support (802.11 b/g/n), frequency band (2.4GHz), serial interface configuration (I2C, SPI, UART), sensitivity (-97dBm), output power (16.75dBm), and supply voltage range (1.8V ~ 3.6V). These components are sourced from the same manufacturer and preserve form factor and pinout compatibility.

Similar Substitutes provide functional equivalence within the WLAN transceiver category but operate across extended frequency bands (2.4GHz and 5GHz), support enhanced protocol standards (802.11a/b/g/n), and deliver higher data rates (65Mbps). These components maintain core serial interface compatibility (I2C, SPI, UART) and operate within overlapping supply voltage specifications, though they may require design validation for mounting type and thermal characteristics.

Substitution eligibility is determined by: protocol compatibility, frequency band coverage, interface type matching, sensitivity and output power specifications, supply voltage overlap, and regulatory compliance status.

Parameter Comparison

Engineering Selection Recommendations

IMP001-US-B is classified as a direct substitute for IMP001-US-R-ENG. Both components are manufactured by Electric Imp Inc. and maintain identical electrical specifications across protocol, frequency, interface, sensitivity, output power, and supply voltage parameters. The IMP001-US-B carries ROHS3 Compliant certification compared to RoHS Compliant status on the primary part, representing an enhanced compliance posture. Both components retain "Not For New Designs" status, indicating equivalent lifecycle positioning. Selection of IMP001-US-B is appropriate for applications requiring direct electrical and mechanical compatibility with existing designs.

LBWA1UZ1GC-901 is classified as a similar substitute manufactured by Murata Electronics. This component provides functional equivalence within the WLAN transceiver category with extended protocol support (802.11a/b/g/n) and dual-band operation (2.4GHz and 5GHz). The LBWA1UZ1GC-901 maintains serial interface compatibility (I2C, SPI, UART) and operates at 3.3V supply voltage, which falls within the upper range of the primary part's 1.8V to 3.6V specification. This component carries Active product status and ROHS3 Compliant certification. Selection of LBWA1UZ1GC-901 is appropriate for applications where enhanced protocol support, dual-band capability, and active product lifecycle status are acceptable, provided that mounting type transition from bulk to surface mount and MSL rating change from 1 to 3 are accommodated in the design.

Frequently Asked Questions (FAQ)

Q: Can IMP001-US-B be used as a direct replacement for IMP001-US-R-ENG without design modification?

A: Yes. IMP001-US-B maintains identical electrical specifications across all critical parameters: 802.11 b/g/n protocol, 2.4GHz frequency, I2C/SPI/UART interfaces, -97dBm sensitivity, 16.75dBm output power, and 1.8V to 3.6V supply voltage. Both components are manufactured by Electric Imp Inc. with equivalent packaging (Bulk). No design modification is required for direct substitution.

Q: What are the key differences between IMP001-US-R-ENG and LBWA1UZ1GC-901?

A: LBWA1UZ1GC-901 differs in the following parameters: (1) Protocol support extends to 802.11a/b/g/n versus 802.11 b/g/n; (2) Frequency band coverage includes 5GHz in addition to 2.4GHz; (3) Data rate reaches 65Mbps versus 1Mbps; (4) Supply voltage is fixed at 3.3V versus 1.8V to 3.6V range; (5) Mounting type is Surface Mount versus Bulk; (6) MSL rating is 3 (168 Hours) versus 1 (Unlimited); (7) Product status is Active versus Not For New Designs.

Q: Is LBWA1UZ1GC-901 compatible with existing designs using IMP001-US-R-ENG?

A: LBWA1UZ1GC-901 provides functional equivalence for WLAN transceiver applications with enhanced capabilities. Compatibility assessment requires evaluation of: (1) mounting type transition from bulk to surface mount; (2) supply voltage adjustment to 3.3V operation; (3) MSL rating change from 1 to 3, affecting moisture handling procedures; (4) mechanical form factor differences. Design validation is necessary to confirm compatibility with existing PCB layouts and assembly processes.

Q: What is the significance of "Not For New Designs" product status?

A: "Not For New Designs" indicates that the component is in mature or end-of-life phase and is not recommended for incorporation into new product development. This status applies to both IMP001-US-R-ENG and IMP001-US-B. LBWA1UZ1GC-901 carries Active product status, indicating ongoing manufacturer support and suitability for new design implementations.

Q: Are all substitute parts RoHS compliant?

A: Yes. IMP001-US-R-ENG is RoHS Compliant. IMP001-US-B and LBWA1UZ1GC-901 are both ROHS3 Compliant, representing enhanced regulatory compliance certification. All components meet RoHS requirements for hazardous substance restrictions.

Q: What packaging formats are available for these components?

A: IMP001-US-R-ENG and IMP001-US-B are supplied in Bulk packaging. LBWA1UZ1GC-901 is available in Cut Tape (CT) and Digi-Reel® packaging formats, which are standard for surface mount components and facilitate automated assembly processes.