Equivalent & Substitute Parts Reference for SS1FN6-M3/I

Part Overview

The Vishay General Semiconductor SS1FN6-M3/I is a Schottky rectifier diode categorized under Diodes, Rectifiers. It features a 60 V DC reverse voltage, 1A average rectified current, and a DO-219AB (SMF) surface mount package. The part is designated as active with RoHS3 and REACH compliance, and an operating junction temperature range of -55°C to 150°C. Identification of alternative models is often necessary to secure supply, address inventory demands, and support design continuity in case of distributor stock limitations or packaging differences.

Key Parameters

Parameter	Value
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io)	1A
Voltage - Forward (Vf) (Max) @ If	530 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	800 µA @ 60 V
Capacitance @ Vr, F	90pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C
Part Status	Active
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution logic is strictly governed by equivalence in key electrical and mechanical parameters. For Schottky rectifier diodes in the DO-219AB package, accepted substitutes must match in: technology, max reverse voltage, forward voltage at rated current, recovery speed, reverse leakage, capacitance, mounting type, package/case, operating temperature range, regulatory compliance, and part status. Substitute parts listed, SS1FN6-M3/H and SS1FN6HM3/H, are considered parametric equivalents since all these key parameters exactly match those of the SS1FN6-M3/I.

Parameter Comparison

Parameter	SS1FN6-M3/I	SS1FN6-M3/H	SS1FN6HM3/H
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V
Current - Average Rectified (Io)	1A	1A	1A
Voltage - Forward (Vf) (Max) @ If	530 mV @ 1 A	530 mV @ 1 A	530 mV @ 1 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	800 µA @ 60 V	800 µA @ 60 V	800 µA @ 60 V
Capacitance @ Vr, F	90pF @ 4V, 1MHz	90pF @ 4V, 1MHz	90pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-219AB	DO-219AB	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
Part Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Selection between SS1FN6-M3/I, SS1FN6-M3/H, and SS1FN6HM3/H can be made based on inventory availability, part status, compliance (RoHS3, REACH), and packaging format as all key electrical and mechanical parameters are equivalent. The SS1FN6HM3/H also specifies automotive grade qualification (AEC-Q101), which can be used if such certification is required per application.

Frequently Asked Questions (FAQ)

Q1: What criteria define an acceptable substitute for SS1FN6-M3/I in the Schottky rectifier diode category?
A1: Substitutes must match all key electrical parameters (technology, Vr, Io, Vf, speed, leakage, capacitance), mechanical format (mounting type, package/case), operating temperature, compliance, and active status.

Q2: Are SS1FN6-M3/H and SS1FN6HM3/H compatible in terms of footprint and mounting with SS1FN6-M3/I?
A2: Both substitute parts use the DO-219AB (SMF) surface mount package and are directly compatible.

Q3: What differences, if any, exist between the SS1FN6-M3/I and the listed substitutes regarding regulatory compliance?
A3: All listed parts are ROHS3 compliant and REACH unaffected. SS1FN6HM3/H also indicates automotive grade qualification (AEC-Q101).

Q4: Is there any variance in operating temperature range or electrical characteristics among the main and substitute Schottky rectifier diode parts?
A4: All compared parts have identical operating junction temperature range (-55°C ~ 150°C) and matching electrical characteristics.

Q5: How can inventory status influence part selection among these equivalents?
A5: All parts listed are active and available in stock. Actual selection can be based on distributor inventory levels and required packaging style, with no compromise in form or function.

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