TC1270ANSVRCTR Equivalent & Substitute Parts

Part Overview

The TC1270ANSVRCTR is a single-channel power supply supervisor IC manufactured by Microchip Technology, designed for power-on reset and simple reset applications. This device monitors a single voltage rail and provides an active-low reset output via open drain or open collector configuration. The part is currently in active production status with 3,339 units in stock.

Equivalent and substitute parts are identified when they share identical electrical specifications, package compatibility, and functional characteristics. The TC1270ANSVRCTR has two parametric equivalents available from Analog Devices Inc. and Maxim Integrated, which maintain full compatibility across all critical operating parameters.

Key Parameters

Parameter	Value
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage Threshold	2.93V
Output Configuration	Open Drain or Open Collector
Reset Logic	Active Low
Reset Timeout	140ms Minimum
Operating Temperature Range	-40°C to 125°C (TA)
Mounting Type	Surface Mount
Package / Case	TO-253-4, TO-253AA
Supplier Device Package	SOT-143
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the TC1270ANSVRCTR is determined by strict equivalence across the following critical parameters:

Single-channel voltage monitoring capability
2.93V threshold voltage specification
Active-low reset output with open drain or open collector configuration
140ms minimum reset timeout
Operating temperature range of -40°C to 125°C
Surface mount technology with SOT-143 package compatibility
ROHS3 compliance and REACH unaffected status
Moisture sensitivity level MSL-1

Both identified substitutes meet all these criteria without exception, enabling direct functional replacement in applications requiring TC1270ANSVRCTR performance characteristics.

Parameter Comparison

Parameter	TC1270ANSVRCTR (Microchip)	ADM6315-29D3ARTZR7 (Analog Devices)	MAX6315US29D3+T (Maxim Integrated)
Type	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset	Simple Reset/Power-On Reset
Number of Voltages Monitored	1	1	1
Voltage Threshold	2.93V	2.93V	2.93V
Output Configuration	Open Drain or Open Collector	Open Drain or Open Collector	Open Drain or Open Collector
Reset Logic	Active Low	Active Low	Active Low
Reset Timeout	140ms Minimum	140ms Minimum	140ms Minimum
Operating Temperature Range	-40°C to 125°C	-40°C to 125°C	-40°C to 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-253-4, TO-253AA	TO-253-4, TO-253AA	TO-253-4, TO-253AA
Supplier Device Package	SOT-143	SOT-143-4	SOT-143-4
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three parts maintain active production status with full regulatory compliance. The TC1270ANSVRCTR, ADM6315-29D3ARTZR7, and MAX6315US29D3+T are functionally equivalent across all specified electrical and mechanical parameters.

Selection between these parts may be based on:

Inventory availability: TC1270ANSVRCTR (3,339 units), ADM6315-29D3ARTZR7 (5,808 units), MAX6315US29D3+T (1,743 units)
Packaging format: TC1270ANSVRCTR supplied in Tape & Reel (TR); ADM6315-29D3ARTZR7 and MAX6315US29D3+T supplied in Cut Tape (CT) & Digi-Reel®
Manufacturer preference: Microchip Technology, Analog Devices Inc., or Maxim Integrated

All parts satisfy ROHS3 compliance and REACH requirements, with MSL-1 rating indicating unlimited shelf life under controlled storage conditions.

Frequently Asked Questions (FAQ)

Q: Can ADM6315-29D3ARTZR7 or MAX6315US29D3+T be used as direct replacements for TC1270ANSVRCTR?

A: Yes. Both parts are parametric equivalents with identical voltage threshold (2.93V), reset timeout (140ms minimum), output configuration (open drain or open collector), and operating temperature range (-40°C to 125°C). Package compatibility is maintained across all three parts.

Q: What is the difference between SOT-143 and SOT-143-4 package designations?

A: Both designations refer to the same physical package form factor (TO-253-4, TO-253AA). The "-4" suffix in SOT-143-4 indicates the four-pin configuration. All three parts are mechanically and electrically compatible in this package.

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

A: No. All three parts are ROHS3 compliant, REACH unaffected, and carry MSL-1 moisture sensitivity rating. Regulatory status is identical across all substitutes.

Q: What determines substitution eligibility for this supervisor IC?

A: Substitution is based on matching: single-channel voltage monitoring, 2.93V threshold voltage, active-low reset output, 140ms minimum reset timeout, -40°C to 125°C operating range, surface mount SOT-143 package, and identical compliance certifications.

Q: Which part should be selected based on packaging format?

A: TC1270ANSVRCTR is supplied in Tape & Reel (TR) format. ADM6315-29D3ARTZR7 and MAX6315US29D3+T are supplied in Cut Tape (CT) & Digi-Reel® format. Selection depends on assembly line requirements and tape reel compatibility with pick-and-place equipment.

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