STTH1002CSF Equivalent & Substitute Parts Reference

Part Overview

The STTH1002CSF from STMicroelectronics is an active diode array within the Diodes, Rectifiers category. It features a 1 Pair Common Cathode configuration, a maximum DC Reverse Voltage (Vr) of 200 V, and an average rectified current of 5A per diode. This fast-recovery device (trr = 35 ns) is packaged in a surface-mount TO-277A (SMPC) and is RoHS3 compliant. Sourcing alternate models is necessary in cases where inventory constraints, supply chain strategies, or specific automotive qualifications are required.

Key Parameters

Parameter	Value
Manufacturer	STMicroelectronics
Category	Diodes, Rectifiers
Product Status	Active
Diode Configuration	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	5A
Voltage - Forward (Vf) (Max) @ If	1.05 V @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	35 ns
Current - Reverse Leakage @ Vr	4 µA @ 200 V
Operating Temperature - Junction	175°C
Mounting Type	Surface Mount
Package / Case	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Parametric substitution is determined exclusively by matching the following key parameters: diode configuration, maximum reverse voltage (Vr), average rectified current (Io), maximum forward voltage (Vf), reverse recovery time (trr), reverse leakage current, package/case, operating temperature range, mounting type, and compliance certifications (RoHS3, REACH, MSL). Parts within this substitute group are parametric equivalents, ensuring functional compatibility within the provided criteria.

Parameter Comparison

Parameter	Main Part: STTH1002CSF	Substitute: STTH1002CSFY
Manufacturer	STMicroelectronics	STMicroelectronics
Category	Diodes, Rectifiers	Diodes, Rectifiers
Product Status	Active	Active
Diode Configuration	1 Pair Common Cathode	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V	200 V
Current - Average Rectified (Io) (per Diode)	5A	5A
Voltage - Forward (Vf) (Max) @ If	1.05 V @ 5 A	1.05 V @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	35 ns	35 ns
Current - Reverse Leakage @ Vr	4 µA @ 200 V	4 µA @ 200 V
Operating Temperature - Junction	175°C	-40°C ~ 175°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Supplier Device Package	TO-277A (SMPC)	TO-277A (SMPC)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both STTH1002CSF and STTH1002CSFY are active, RoHS3 compliant, and REACH unaffected. The substitute part STTH1002CSFY includes AEC-Q101 automotive qualification and an extended operating temperature range. Inventory and packaging are provided for both parts. Selection can be based on inventory availability or industry compliance requirements.

Frequently Asked Questions (FAQ)

Q1: What are the substitution criteria for STTH1002CSF in the Diodes, Rectifiers category?
A1: Substitution requires matching diode configuration, maximum reverse voltage, average rectified current, forward voltage, reverse recovery time, reverse leakage current, package type, mounting method, operating temperature range, RoHS status, and MSL.

Q2: Is the package and physical form factor identical between STTH1002CSF and its substitute STTH1002CSFY?
A2: Both parts are supplied in a TO-277, 3-PowerDFN package with the supplier device package designation TO-277A (SMPC), ensuring compatibility in PCB footprints and surface mount assembly.

Q3: What compliance or certification differences exist between STTH1002CSF and STTH1002CSFY?
A3: Both parts are RoHS3 compliant and REACH unaffected. STTH1002CSFY is additionally AEC-Q101 qualified for automotive applications.

Q4: How does the operating temperature range affect part selection?
A4: Both parts are rated for operation up to 175°C junction temperature. STTH1002CSFY extends the minimum operating temperature to -40°C, supporting automotive and wider industrial use cases.

Q5: Are forward electrical characteristics consistent between the main and substitute parts?
A5: Both STTH1002CSF and STTH1002CSFY have identical ratings for reverse voltage (200 V), average rectified current (5A), forward voltage (1.05 V @ 5 A), reverse recovery time (35 ns), and reverse leakage current (4 µA @ 200 V).

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