Equivalent & Substitute Parts Reference for SS14F-HF

Part Overview

The SS14F-HF (Comchip Technology) is an active Schottky rectifier diode intended for fast recovery applications requiring surface mount deployment, specifically in the DO-214AC, SMAF package. The product is RoHS3 compliant, with a voltage rating of 40V and an average rectified current of 1A. Alternative models may be necessary for supply security, compliance, or to match automotive qualification requirements.

Key Parameters

Parameter	SS14F-HF
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 1 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	300 µA @ 40 V
Mounting Type	Surface Mount
Package / Case	DO-214AC, SMA
Supplier Device Package	SMAF
Operating Temperature - Junction	-55°C ~ 125°C
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is based strictly on matching the following key electrical, mechanical, and compliance parameters:

Reverse voltage rating (Vr)
Average rectified current (Io)
Forward voltage drop (Vf) at specified current
Fast switching characteristics
Reverse leakage current at Vr
Package type and mounting method
Junction operating temperature range
RoHS and MSL status Only substitute parts meeting all specified parameters are listed.

Parameter Comparison

Parameter	SS14F-HF	NRVBA140NT3G
Manufacturer	Comchip Technology	onsemi
Category	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	40 V	40 V
Current - Average Rectified (Io)	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	550 mV @ 1 A	550 mV @ 1 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	300 µA @ 40 V	500 µA @ 40 V
Mounting Type	Surface Mount	Surface Mount
Package / Case	DO-214AC, SMA	DO-214AC, SMA
Operating Temperature - Junction	-55°C ~ 125°C	-55°C ~ 125°C
Product Status	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Both SS14F-HF and NRVBA140NT3G are listed as active products, have RoHS3 compliance, and MSL 1 (Unlimited). NRVBA140NT3G additionally has automotive grade and AEC-Q101 qualification. Selection can be made based on these compliance and qualification attributes as per application requirements.

Frequently Asked Questions (FAQ)

Q1: What parameters define if NRVBA140NT3G is a suitable substitute for SS14F-HF?
A1: Parameters include matching voltage rating (40V), rectified current (1A), forward voltage drop (550 mV @ 1A), package (DO-214AC, SMA), surface mount capability, junction temperature range (-55°C ~ 125°C), RoHS status, and MSL.

Q2: Are there any differences in the reverse leakage current?
A2: Yes, SS14F-HF specifies 300 µA @ 40 V, while NRVBA140NT3G specifies 500 µA @ 40 V.

Q3: Is the package and mounting style identical between SS14F-HF and NRVBA140NT3G?
A3: Both parts are provided in DO-214AC, SMA packages with surface mount configurations.

Q4: Does the NRVBA140NT3G offer any additional qualifications?
A4: NRVBA140NT3G includes AEC-Q101 automotive qualification.

Q5: Are both parts RoHS compliant and suitable for environmentally regulated applications?
A5: Both SS14F-HF and NRVBA140NT3G are listed as ROHS3 compliant.

Q6: What should be considered regarding Moisture Sensitivity Level?
A6: Both parts have MSL 1 (Unlimited), suitable for standard manufacturing and storage environments.

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