Equivalent & Substitute Parts for CDBT-54A-HF

Part Overview

CDBT-54A-HF by Comchip Technology is a surface-mount Schottky diode array with 1 Pair Common Anode configuration, 30V DC reverse voltage rating, and 200mA average rectified current per diode. The product status is Active. Finding alternative models is necessary when considering stock availability, supply chain risk management, compliance requirements, and system or sourcing constraints for diodes, rectifiers in SOT-23-3 packages.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Anode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io) (per Diode)	200mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 100 mA
Reverse Recovery Time (trr)	5 ns
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution decisions are based strictly on the comparison of the following key parameters: diode configuration, technology, reverse voltage rating, average rectified current per diode, forward voltage, reverse recovery time, mounting type, package/case, RoHS status, and moisture sensitivity level. Substitute parts listed have equivalent values or acceptable differences within these parameters, maintaining compliance in electrical, mechanical, and regulatory aspects within the Diodes, Rectifiers category.

Parameter Comparison

Parameter	CDBT-54A-HF	BAR43AFILM
Manufacturer	Comchip Technology	STMicroelectronics
Category	Diodes, Rectifiers	Diodes, Rectifiers
Packaging	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®
Diode Configuration	1 Pair Common Anode	1 Pair Common Anode
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V	30 V
Current - Average Rectified (Io) (per Diode)	200mA	100mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 100 mA	1 V @ 100 mA
Reverse Recovery Time (trr)	5 ns	5 ns
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	SOT-23-3	SOT-23-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Both CDBT-54A-HF and BAR43AFILM are Active and ROHS3 Compliant with Moisture Sensitivity Level 1, suitable for unlimited moisture exposure. Packaging formats differ and may be selected according to project requirements. Part status and compliance data present both models as valid selections under regulatory and supply chain certification controls.

Frequently Asked Questions (FAQ)

Q1: Which electrical parameters are critical for substitution among Schottky diode arrays in SOT-23-3?
A1: Diode configuration, technology, reverse voltage rating, average rectified current, and forward voltage are the primary electrical parameters.

Q2: What package compatibility is required for direct substitution with CDBT-54A-HF?
A2: Only package/case defined as TO-236-3, SC-59, SOT-23-3, and mounting type as surface mount are suitable.

Q3: How does compliance certification impact substitute selection?
A3: Both models must be ROHS3 Compliant and have unlimited Moisture Sensitivity Level (MSL 1).

Q4: Can a part with lower average rectified current be considered a substitute?
A4: Substitution is permissible if application current requirements do not exceed the substitute's rating, as long as all other parameters match.

Q5: Are reverse recovery time and voltage-forward characteristics required to match precisely?
A5: Substitutes must meet the specified maximum values or exceed the performance, as listed in the provided parameters.

Q6: Does the difference in packaging format (Tape & Reel vs Cut Tape) affect technical compatibility?
A6: Packaging format does not affect electrical or mechanical performance but may influence production process and handling preferences.

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