Equivalent & Substitute Parts for 101-0404

Part Overview

The 101-0404 is a RabbitCore® Embedded Module featuring the Rabbit 2000 processor operating at 25.8MHz with 512KB RAM and 256KB Flash memory. This module is classified as Obsolete, indicating it has reached end-of-life status and is no longer recommended for new designs. The module utilizes a 2 IDC Headers 2x20 connector configuration and operates across the industrial temperature range of -40°C to 85°C.

Due to its obsolete status, identifying equivalent substitute parts is essential for ongoing system maintenance, legacy product support, and component procurement continuity.

Substiute Parts

101-0404

DigiIn Stock: 1155101-0404 Datasheet

Current PartRFQ

20-101-0404

DigiIn Stock: 93420-101-0404 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 101-0404 is determined by strict equivalence across the following critical parameters:

• Core processor architecture and model (Rabbit 2000)
• Operating frequency (25.8MHz)
• Memory configuration (512KB RAM, 256KB Flash)
• Physical form factor and connector interface (2 IDC Headers 2x20)
• Mechanical dimensions (1.900" L x 2.300" W)
• Operating temperature range (-40°C to 85°C)

The substitute part 20-101-0404 maintains identical electrical and mechanical specifications, ensuring functional compatibility in applications currently utilizing the 101-0404. Differences in product status, RoHS compliance, and regulatory classifications do not affect core substitutability but may influence procurement and compliance considerations.

Parameter Comparison

Engineering Selection Recommendations

The 20-101-0404 serves as a direct functional substitute for the 101-0404 based on identical core processor, clock frequency, memory capacity, connector configuration, and physical dimensions. Both modules are classified as legacy products unsuitable for new designs, reflecting their obsolete status within the Digi product portfolio.

The 20-101-0404 offers improved regulatory compliance through RoHS certification, whereas the 101-0404 remains RoHS non-compliant. For applications requiring RoHS compliance or environmental regulatory adherence, the 20-101-0404 is the appropriate selection. For legacy system maintenance where original specifications must be preserved, either part maintains functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can the 20-101-0404 directly replace the 101-0404 in existing applications?

A: Yes. Both modules share identical processor architecture, clock speed, memory configuration, connector type, and physical dimensions. Direct substitution is electrically and mechanically compatible.

Q: What is the primary difference between these two parts?

A: The 20-101-0404 is RoHS Compliant, while the 101-0404 is RoHS non-compliant. Both are legacy products no longer recommended for new designs. The 20-101-0404 belongs to the RabbitCore RCM2000 series, whereas the 101-0404 is part of the RabbitCore® series.

Q: Are there any connector or pinout differences?

A: No. Both modules utilize identical 2 IDC Headers 2x20 connector configurations with matching physical dimensions of 1.900" L x 2.300" W (48.30mm x 58.40mm).

Q: Which part should be selected for new procurement?

A: Neither part is recommended for new designs. Both are classified as obsolete or not for new designs. For legacy system support and maintenance, the 20-101-0404 is preferred due to RoHS compliance.

Q: Do these modules have identical operating temperature specifications?

A: Yes. Both modules operate across the same industrial temperature range of -40°C to 85°C.