SS110F-HF Equivalent & Substitute Parts Reference

Part Overview

The SS110F-HF is a Schottky diode from Comchip Technology in the Diodes, Rectifiers category. It is specified as a 100 V, 1A surface-mount diode using the SMAF package (DO-214AC footprint). The device is RoHS3 compliant, suitable for temperatures from -55°C to 125°C, and is classified as active. As demand for the SS110F-HF increases or if supply constraints occur, it becomes necessary to identify alternative models with strictly matching electrical and mechanical parameters for seamless substitution in production.

Key Parameters

Parameter	Value
Manufacturer	Comchip Technology
Category	Diodes, Rectifiers
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io)	1A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 1 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 100 V
Capacitance @ Vr, F	80pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-214AC, SMA
Supplier Device Package	SMAF
Operating Temperature - Junction	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitutes are identified strictly by matching the following key parameters: diode technology (Schottky), DC reverse voltage rating (100 V), average rectified current (1A), maximum forward voltage (850 mV @ 1 A), mounting type (surface mount), package/case (DO-214AC, SMA family), operating temperature range (-55°C to 125°C), and compliance (RoHS3). Only parts with all listed properties are grouped as valid substitutes.

Parameter Comparison

Parameter	SS110F-HF (Comchip Technology)	SS110-HF (Comchip Technology)	SS110-TP (Micro Commercial Co)
Technology	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V
Current - Average Rectified (Io)	1A	1A	1A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 1 A	850 mV @ 1 A	850 mV @ 1 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 100 V	200 µA @ 100 V	500 µA @ 100 V
Capacitance @ Vr, F	80pF @ 4V, 1MHz	80pF @ 4V, 1MHz	30pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Operating Temperature - Junction	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Obsolete

Engineering Selection Recommendations

Based on product status and provided certifications, both SS110F-HF and SS110-HF are classified as active and ROHS3 compliant, with unlimited moisture sensitivity level, meeting inventory and compliance requirements. SS110-TP is marked as obsolete but remains ROHS3 compliant and meets MSL 1 criteria. For designs prioritizing active lifecycle and compliance standards, prefer SS110F-HF or SS110-HF over SS110-TP.

Frequently Asked Questions (FAQ)

Q: What parameters must match for a valid Schottky diode substitute in this category?
A: Valid substitutes in the Diodes, Rectifiers category must match diode technology (Schottky), voltage and current ratings, maximum forward voltage, reverse leakage, recovery speed, mounting type, package/case type, operating temperature range, and RoHS status.

Q: Can I substitute a DO-214AC (SMA) part with an SMAF version?
A: SS110F-HF uses the SMAF package, while substitutes SS110-HF and SS110-TP use the DO-214AC (SMA) package. Both packages are mechanically compatible within the same footprint category per manufacturer definitions.

Q: Does product status affect substitute selection?
A: Only parts classified as active are recommended for ongoing production use. Obsolete parts, while meeting electrical and mechanical parameters, may limit future availability.

Q: Is reverse leakage current a critical difference?
A: Reverse leakage current varies among specified parts; ensure application requirements tolerate the maximum provided value for each substitute.

Q: Are all substitutes RoHS3 compliant?
A: All models listed (SS110F-HF, SS110-HF, SS110-TP) indicate ROHS3 compliance per provided data.

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