SS16H Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS16H is a 60V, 1A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation in DO-214AC (SMA) surface mount package. This component is classified as Active product status and carries automotive-grade qualification (AEC-Q101). The SS16H is used in applications requiring fast recovery rectification with low forward voltage drop characteristics typical of Schottky technology.

Equivalent and substitute parts are identified based on matching electrical performance parameters: reverse voltage rating (60V), average rectified current (1A), fast recovery speed (≤500ns at >200mA), and compatible surface mount packaging. Alternative sources and package variants are documented to support design flexibility and supply chain continuity.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	60	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) Maximum @ If	750	mV @ 1A
Speed - Fast Recovery	≤500	ns (>200mA)
Current - Reverse Leakage @ Vr	200	µA @ 60V
Technology	Schottky	—
Package / Case	DO-214AC, SMA	—
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical compatibility with the SS16H:

Parametric Equivalents match all critical electrical specifications: 60V reverse voltage, 1A average rectified current, fast recovery speed (≤500ns), and compatible DO-214AC/SMA surface mount packaging. These parts are direct functional replacements with identical current and voltage ratings.

Similar Parts share the same 60V reverse voltage and fast recovery characteristics but differ in one or more of the following parameters:

Average rectified current (2A or 3A variants)
Forward voltage drop (Vf)
Reverse leakage current (Ir)
Operating temperature range
Package variant (SMB instead of SMA)
Capacitance specifications

Substitution eligibility is determined by:

Reverse voltage rating must equal or exceed 60V
Average rectified current must equal or exceed 1A
Fast recovery speed must be ≤500ns at >200mA
Package must be surface mount compatible (DO-214AC/SMA or equivalent footprint)
Technology must be Schottky
RoHS3 compliance required

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) mV	Ir @ Vr (µA)	Package	Temp Range °C	Status	AEC-Q101
SS16H	Taiwan Semiconductor	60	1	750 @ 1A	200 @ 60V	DO-214AC (SMA)	-55 to 150	Active	Yes
SS16	EVVO Semi	60	1	700 @ 1A	300 @ 60V	DO-214AC (SMA)	-55 to 125	Active	No
SS16 R3G	Taiwan Semiconductor	60	1	750 @ 1A	200 @ 60V	DO-214AC (SMA)	-55 to 150	Discontinued	No
B160-13-F	Diodes Incorporated	60	1	700 @ 1A	500 @ 60V	DO-214AC (SMA)	-65 to 150	Active	No
B160B-13-F	Diodes Incorporated	60	1	700 @ 1A	500 @ 60V	DO-214AA (SMB)	-65 to 150	Active	No
B160Q-13-F	Diodes Incorporated	60	1	700 @ 1A	500 @ 40V	DO-214AC (SMA)	-65 to 150	Active	Yes
B260AQ-13-F	Diodes Incorporated	60	2	700 @ 2A	500 @ 60V	DO-214AC (SMA)	-65 to 150	Active	Yes
CDBA160-HF	Comchip Technology	60	1	700 @ 1A	500 @ 60V	DO-214AC (SMA)	-50 to 150	Active	No
CDBA260-HF	Comchip Technology	60	2	700 @ 2A	500 @ 60V	DO-214AC (SMA)	-50 to 150	Active	No
CDBA360-HF	Comchip Technology	60	3	700 @ 3A	500 @ 60V	DO-214AC (SMA)	-50 to 150	Active	No
CDBA360LR-HF	Comchip Technology	60	3	550 @ 3A	500 @ 60V	DO-214AC (SMA)	-50 to 150	Active	No

Engineering Selection Recommendations

Direct Parametric Equivalents (Preferred for 1:1 Replacement)

SS16 (EVVO Semi) is a parametric equivalent with identical 60V/1A ratings and DO-214AC (SMA) packaging. This part offers lower forward voltage (700mV vs 750mV) and is currently Active. The operating temperature range is reduced to -55 to 125°C compared to the SS16H's -55 to 150°C maximum. This part does not carry AEC-Q101 qualification.

SS16 R3G (Taiwan Semiconductor) is electrically identical to the SS16H with matching 60V/1A specifications, 750mV forward voltage, and -55 to 150°C operating range. However, this part is Discontinued at DiGi Electronics and should not be selected for new designs.

Automotive-Qualified Alternatives (AEC-Q101)

B160Q-13-F (Diodes Incorporated) is AEC-Q101 qualified and matches the SS16H in voltage (60V), current (1A), and package (DO-214AC/SMA). Forward voltage is 700mV (50mV lower than SS16H). Operating temperature extends to -65°C minimum. Reverse leakage is specified at 40V rather than 60V. This part is Active and suitable for automotive applications.

B260AQ-13-F (Diodes Incorporated) is AEC-Q101 qualified with 60V rating and DO-214AC (SMA) package. Current rating is 2A, exceeding the 1A requirement. Forward voltage is 700mV at 2A. Operating temperature range is -65 to 150°C. This part is Active and provides current margin for applications with potential load variations.

Non-Qualified Alternatives (General Purpose)

B160-13-F (Diodes Incorporated) provides 60V/1A in DO-214AC (SMA) package with 700mV forward voltage. Operating temperature is -65 to 150°C. Reverse leakage is 500µA at 60V. This part is Active but lacks AEC-Q101 qualification.

CDBA160-HF (Comchip Technology) matches 60V/1A specifications in DO-214AC (SMA) package with 700mV forward voltage. Operating temperature range is -50 to 150°C (narrower low-temperature range than SS16H). This part is Active but lacks AEC-Q101 qualification.

Package Variant

B160B-13-F (Diodes Incorporated) is identical to B160-13-F electrically but uses DO-214AA (SMB) package instead of DO-214AC (SMA). This part is suitable only if PCB layout accommodates the larger SMB footprint.

Higher Current Variants

CDBA260-HF and CDBA360-HF (Comchip Technology) provide 2A and 3A current ratings respectively in DO-214AC (SMA) package with 60V rating. These parts are suitable for applications requiring current margin above 1A. Operating temperature is -50 to 150°C.

CDBA360LR-HF (Comchip Technology) offers 3A current with reduced forward voltage (550mV at 3A) in DO-214AC (SMA) package. This part is suitable for high-current applications where forward voltage loss is a design constraint.

Frequently Asked Questions (FAQ)

Q: Can SS16 (EVVO Semi) be used as a direct replacement for SS16H?

A: SS16 is electrically compatible with matching 60V/1A ratings and DO-214AC (SMA) packaging. The forward voltage is 50mV lower (700mV vs 750mV), which is beneficial for efficiency. However, the maximum operating temperature is reduced to 125°C versus 150°C for the SS16H. Additionally, SS16 lacks AEC-Q101 automotive qualification. Selection depends on application temperature requirements and whether automotive qualification is mandatory.

Q: What is the difference between B160-13-F and B160Q-13-F?

A: Both parts are manufactured by Diodes Incorporated with identical 60V/1A ratings and DO-214AC (SMA) packaging. B160Q-13-F carries AEC-Q101 automotive qualification while B160-13-F does not. B160Q-13-F is the preferred choice for automotive applications. Reverse leakage specification differs: B160Q-13-F is specified at 40V while B160-13-F is specified at 60V.

Q: Can B160B-13-F replace SS16H?

A: B160B-13-F is electrically equivalent to B160-13-F with 60V/1A ratings and matching electrical characteristics. However, B160B-13-F uses DO-214AA (SMB) package instead of DO-214AC (SMA). Physical footprint is larger. This part can only be used if the PCB layout is redesigned to accommodate the SMB package. Direct board-level substitution is not possible.

Q: Why would I select a 2A or 3A variant like B260AQ-13-F or CDBA260-HF instead of a 1A part?

A: Higher current-rated parts provide design margin for applications with potential load variations or transient current spikes. B260AQ-13-F offers AEC-Q101 qualification with 2A rating in the same DO-214AC (SMA) package. CDBA260-HF provides 2A rating without automotive qualification. Selection depends on application current requirements and whether automotive qualification is necessary.

Q: Is SS16 R3G still available for new designs?

A: SS16 R3G is Discontinued at DiGi Electronics and should not be selected for new designs. Although electrically identical to SS16H, discontinued status creates long-term supply risk. Active alternatives such as SS16 (EVVO Semi) or B160Q-13-F (Diodes Incorporated) should be used instead.

Q: What is the significance of AEC-Q101 qualification?

A: AEC-Q101 is the automotive industry standard qualification for discrete semiconductors. Parts carrying this qualification have undergone rigorous testing for reliability, temperature cycling, and performance consistency. For automotive applications, AEC-Q101 qualified parts are required. SS16H, B160Q-13-F, and B260AQ-13-F carry this qualification. Non-qualified parts (SS16, B160-13-F, CDBA series) are suitable for general-purpose and industrial applications only.

Q: How does forward voltage affect circuit performance?

A: Forward voltage (Vf) determines the voltage drop across the diode during conduction. SS16H specifies 750mV at 1A. Alternatives like SS16, B160-13-F, and CDBA160-HF specify 700mV at 1A, resulting in 50mV lower drop. CDBA360LR-HF specifies 550mV at 3A. Lower forward voltage reduces power dissipation and heat generation. Selection depends on thermal budget and efficiency requirements.

Q: What is the difference between reverse leakage current specifications?

A: Reverse leakage current (Ir) is the small current flowing through the diode in reverse bias condition. SS16H specifies 200µA at 60V. Most alternatives specify 500µA at 60V, representing higher leakage. Lower leakage is preferable for low-power applications and battery-powered circuits. SS16H and SS16 R3G offer the lowest leakage at 200µA and 300µA respectively.

Q: Can I use CDBA360LR-HF in a circuit designed for 1A operation?

A: CDBA360LR-HF is rated for 3A average rectified current, which exceeds the 1A requirement. The part is electrically compatible with 60V reverse voltage and fast recovery speed. However, the larger package and higher current rating may introduce unnecessary cost and board space. Use CDBA360LR-HF only if the application requires 3A capability or if the reduced forward voltage (550mV) is a specific design requirement.

Q: What does "Fast Recovery ≤500ns at >200mA" mean?

A: This specification indicates the diode's reverse recovery time is 500 nanoseconds or less when switching from forward conduction to reverse bias at currents exceeding 200mA. Fast recovery is essential for high-frequency switching applications and reduces switching losses. All listed parts meet this specification, making them suitable for switching power supplies and similar applications.

Q: Are there any RoHS or environmental compliance differences between parts?

A: All listed parts are ROHS3 compliant and REACH unaffected, meeting current environmental regulations. No compliance differences exist between the SS16H and substitute parts. All parts are suitable for applications requiring RoHS compliance.

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