X24-019NST Equivalent & Substitute Parts

Part Overview

The X24-019NST is a General ISM > 1GHz Transceiver Module operating at 2.4GHz with RP-SMA antenna connector and surface mount packaging. This module features FHSS modulation, UART serial interface, and 17dBm output power. The product is currently obsolete, making identification of suitable substitute components essential for system redesign, legacy support, or component sourcing alternatives.

Substiute Parts

X24-019NST

DigiIn Stock: 695X24-019NST Datasheet

Current PartRFQ

XBP9B-DMST-002

DigiIn Stock: 767XBP9B-DMST-002 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The XBP9B-DMST-002 is identified as a manufacturer-recommended substitute for the X24-019NST. Substitution eligibility is determined by the following critical parameters:

Substitution Criteria:

• Manufacturer: Both parts manufactured by Digi
• Modulation Scheme: Both utilize FHSS modulation
• Serial Interface: Both support UART communication
• Antenna Connector: Both feature RP-SMA antenna interface
• Operating Temperature Range: Both rated -40°C ~ 85°C
• Moisture Sensitivity Level: Both rated MSL 1 (Unlimited)
• Package Type: Both are module-based components

Parameter Differences: The XBP9B-DMST-002 operates in the ISM < 1GHz band (900MHz) versus the X24-019NST's ISM > 1GHz band (2.4GHz). This represents a frequency band shift requiring system-level frequency compatibility assessment. The substitute provides higher output power (24dBm vs 17dBm), improved sensitivity (-110dBm vs -102dBm), and higher data rate (200kbps vs 18.8kbps). Mounting type differs: the substitute uses through-hole versus surface mount. Supply voltage differs: 2.4V–3.6V versus 5V.

Parameter Comparison

Engineering Selection Recommendations

The XBP9B-DMST-002 is the manufacturer-recommended substitute and is currently in active production status, ensuring long-term availability and supply chain stability. The X24-019NST is obsolete, making the XBP9B-DMST-002 the appropriate choice for new designs or legacy system updates.

The XBP9B-DMST-002 carries RoHS Compliance certification, whereas the X24-019NST RoHS status is not specified. Both components maintain identical operating temperature ranges and moisture sensitivity ratings, supporting equivalent environmental performance.

Selection of the XBP9B-DMST-002 requires system-level validation of frequency band compatibility (900MHz vs 2.4GHz), supply voltage adjustment (2.4V–3.6V vs 5V), and mounting type accommodation (through-hole vs surface mount). The substitute provides enhanced performance metrics including higher output power, improved receiver sensitivity, and increased data rate capacity.

Frequently Asked Questions (FAQ)

Q: Can the XBP9B-DMST-002 directly replace the X24-019NST without circuit modifications?

A: Direct replacement is not possible without circuit modifications. The frequency bands differ (900MHz vs 2.4GHz), requiring antenna redesign and RF matching network adjustments. Supply voltage differs (2.4V–3.6V vs 5V), necessitating power supply circuit changes. Mounting type differs (through-hole vs surface mount), requiring PCB layout redesign.

Q: What are the key compatibility factors between these modules?

A: Both modules share FHSS modulation, UART serial interface capability, RP-SMA antenna connectors, identical operating temperature ranges (-40°C ~ 85°C), and MSL 1 moisture sensitivity ratings. These commonalities establish the substitution relationship.

Q: Why does the XBP9B-DMST-002 have higher transmit current despite lower supply voltage?

A: The XBP9B-DMST-002 operates at higher output power (24dBm vs 17dBm) and higher data rate (200kbps vs 18.8kbps), resulting in increased transmit current draw (229mA vs 150mA) despite lower supply voltage operation.

Q: Is the XBP9B-DMST-002 suitable for applications requiring 2.4GHz operation?

A: No. The XBP9B-DMST-002 operates at 900MHz. Applications requiring 2.4GHz operation require alternative components within the 2.4GHz ISM band.

Q: What compliance advantages does the XBP9B-DMST-002 provide?

A: The XBP9B-DMST-002 is RoHS Compliant and carries active product status with verified DiGi-Electronics programmability. The X24-019NST is obsolete with unverified programmability status.