AS1907C18-T Equivalent & Substitute Parts Reference

Part Overview

The AS1907C18-T is a single-channel power management supervisor IC manufactured by ams-OSRAM USA INC. in SOT-23-3 surface mount packaging. This device functions as a simple reset/power-on reset circuit with push-pull totem pole output configuration and a 1.8V voltage threshold monitoring capability.

The AS1907C18-T is classified as an obsolete product. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this supervisor topology.

Substiute Parts

AS1907C18-T

ams-OSRAM USA INC.In Stock: 841AS1907C18-T Datasheet

Current PartRFQ

MAX6333UR18D3+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3640MAX6333UR18D3+T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AS1907C18-T is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Single voltage monitoring channel (Number of Voltages Monitored = 1)
• Voltage threshold set at 1.8V
• Push-pull totem pole output configuration
• Active low reset logic
• 100ms minimum reset timeout
• SOT-23-3 surface mount package
• Operating temperature range -40°C ~ 125°C
• Moisture sensitivity level MSL 1

The MAX6333UR18D3+T from Analog Devices Inc./Maxim Integrated satisfies all mandatory electrical and mechanical parameters required for functional equivalence with the AS1907C18-T.

Parameter Comparison

Engineering Selection Recommendations

The MAX6333UR18D3+T is a direct parametric equivalent to the AS1907C18-T based on electrical specifications and mechanical compatibility. The substitute part maintains identical functional characteristics across all monitored parameters: single-channel voltage supervision at 1.8V threshold, push-pull totem pole output, active low reset logic, 100ms minimum reset timeout, and SOT-23-3 surface mount packaging.

The MAX6333UR18D3+T carries active product status from Analog Devices Inc./Maxim Integrated, ensuring ongoing availability and supply chain support. Both parts maintain identical REACH compliance status (REACH Unaffected), ECCN classification (EAR99), and HTSUS code (8542.39.0001).

The MAX6333UR18D3+T is supplied in Tape & Reel (TR) packaging format, which differs from the AS1907C18-T packaging specification but does not affect functional equivalence or PCB-level integration.

Frequently Asked Questions (FAQ)

Q: What makes the MAX6333UR18D3+T a valid substitute for the AS1907C18-T?

A: The MAX6333UR18D3+T matches all critical electrical and mechanical parameters: single-channel voltage monitoring at 1.8V threshold, push-pull totem pole output, active low reset logic, 100ms minimum reset timeout, -40°C to 125°C operating temperature range, SOT-23-3 surface mount package, and MSL 1 moisture sensitivity level.

Q: Are there any differences in compliance or regulatory status between these parts?

A: Both parts maintain identical REACH compliance status (REACH Unaffected), ECCN classification (EAR99), and HTSUS code (8542.39.0001). No regulatory barriers exist to substitution.

Q: What is the significance of the different product status (Obsolete vs. Active)?

A: The AS1907C18-T is classified as obsolete, while the MAX6333UR18D3+T maintains active product status. Active status indicates ongoing manufacturing, quality assurance, and supply chain availability from Analog Devices Inc./Maxim Integrated.

Q: Does the packaging format difference (Tape & Reel vs. standard packaging) affect compatibility?

A: Tape & Reel (TR) packaging is a supply format used for automated assembly processes. The SOT-23-3 component package remains identical, ensuring PCB-level compatibility and assembly process compatibility.

Q: Can the MAX6333UR18D3+T be used in existing designs without circuit modifications?

A: Yes. Identical electrical specifications, output configuration, reset logic, and package footprint ensure direct substitution without circuit design changes.

Q: Are there any thermal or environmental operating condition differences?

A: Both parts operate across the identical temperature range of -40°C to 125°C (TA) and maintain MSL 1 moisture sensitivity level, indicating no environmental operating condition restrictions.