BAS16-7 Equivalent & Substitute Parts

Part Overview

The BAS16-7 is a general-purpose fast recovery rectifier diode manufactured by Diodes Incorporated, rated for 75 V reverse voltage and 300 mA average rectified current in a surface mount SOT-23-3 package. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production continuity. The BAS16-7 serves applications requiring fast switching characteristics with low reverse recovery time in compact form factors.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	75	V
Current - Average Rectified (Io)	300	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 150	V @ mA
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	1	µA @ 75 V
Capacitance @ Vr, F	2	pF @ 0V, 1MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Operating Temperature - Junction	-65 to 150	°C
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the BAS16-7 are classified based on electrical parameter compatibility and product availability status. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 75 V
Current - Average Rectified (Io): Must equal or exceed 300 mA
Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.25 V @ 150 mA
Speed: Must maintain Fast Recovery characteristics (≤ 500ns, > 200mA)
Reverse Recovery Time (trr): Must not exceed 4 ns
Package / Case: Must be SOT-23-3 compatible
Mounting Type: Must be Surface Mount

Substitution Categories:

Direct Equivalent (Identical Electrical Parameters): Parts meeting all critical parameters with identical or superior specifications and active product status.

Parametric Equivalent (Minor Deviations Acceptable): Parts with slight variations in non-critical parameters (such as reverse leakage current or capacitance) while maintaining core electrical performance and package compatibility.

Manufacturer Recommended Alternative (Higher Ratings or Different Technology): Parts with enhanced specifications (higher voltage or current ratings) or different speed classifications, suitable for applications with relaxed performance requirements.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [V @ mA]	trr [ns]	Speed	Package	Product Status	RoHS Status
BAS16-7	Diodes Incorporated	75	300	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Discontinued	RoHS Non-Compliant
BAS16-7-F	Diodes Incorporated	75	300	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
BAS16Q-13-F	Diodes Incorporated	75	300	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
BAS16Q-7-F	Diodes Incorporated	75	300	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
MMBD4148-7-F	Diodes Incorporated	75	300	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
MMBD914-7-F	Diodes Incorporated	75	300	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
BAS116LT1G	onsemi	75	200	1.25 @ 150	3000	Small Signal ≤ 200mA, Any Speed	SOT-23-3	Active	RoHS3 Compliant
BAS16,215	Nexperia USA Inc.	100	215	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
BAS16,235	NXP Semiconductors	100	215	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
BAS16-TP	Micro Commercial Co	100	300	1.25 @ 100	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Active	RoHS3 Compliant
BAS16E6433HTMA1	Infineon Technologies	80	250	1.25 @ 150	4	Fast Recovery ≤ 500ns, > 200mA	SOT-23-3	Last Time Buy	RoHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection (Preferred for Drop-In Replacement):

BAS16-7-F, BAS16Q-7-F, BAS16Q-13-F, MMBD4148-7-F, and MMBD914-7-F are direct electrical equivalents to the BAS16-7. All five parts maintain identical voltage, current, and switching characteristics. BAS16-7-F is the primary recommended substitute, offering identical specifications with active product status and RoHS3 compliance. BAS16Q-7-F and BAS16Q-13-F include AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability. MMBD4148-7-F and MMBD914-7-F provide equivalent performance from the same manufacturer with active availability.

Parametric Equivalent Selection (Application-Dependent):

BAS16-TP (Micro Commercial Co) maintains 300 mA current rating and 100 V reverse voltage with identical fast recovery characteristics. Forward voltage is specified at 100 mA rather than 150 mA, requiring circuit-level verification for applications sensitive to forward voltage characteristics.

BAS16,215 (Nexperia USA Inc.) and BAS16,235 (NXP Semiconductors) offer 100 V reverse voltage and 215 mA current rating with identical fast recovery speed and 4 ns reverse recovery time. These parts are suitable for applications where the 75 V rating is conservative and current requirements do not exceed 215 mA. Both include AEC-Q101 automotive qualification.

Alternative Technology Selection (Relaxed Performance Requirements):

BAS116LT1G (onsemi) operates at 75 V with 200 mA current rating but uses small signal diode technology with 3 µs reverse recovery time. This part is suitable only for applications where switching speed is not critical and current does not exceed 200 mA.

BAS16E6433HTMA1 (Infineon Technologies) is in Last Time Buy status and should not be selected for new designs despite meeting electrical parameters.

Compliance Considerations:

The original BAS16-7 is RoHS non-compliant. All recommended substitutes are RoHS3 compliant, meeting current regulatory requirements. All substitute parts maintain REACH Unaffected status and EAR99 export classification consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can BAS16-7-F be used as a direct replacement for BAS16-7?

A: Yes. BAS16-7-F is electrically identical to BAS16-7 with matching voltage, current, speed, and package specifications. The primary difference is product status (active versus discontinued) and RoHS compliance (RoHS3 versus non-compliant). BAS16-7-F is the recommended direct substitute.

Q: What is the difference between BAS16Q-7-F and BAS16-7-F?

A: Both parts are electrically identical with 75 V, 300 mA, and 4 ns reverse recovery time. BAS16Q-7-F includes AEC-Q101 automotive qualification, making it suitable for automotive applications requiring enhanced reliability screening. BAS16-7-F is the standard industrial grade equivalent.

Q: Can BAS16,215 or BAS16,235 replace BAS16-7 in all applications?

A: BAS16,215 and BAS16,235 have higher reverse voltage (100 V versus 75 V) but lower current rating (215 mA versus 300 mA). These parts are suitable for applications where the 75 V rating is conservative and circuit current does not exceed 215 mA. Applications requiring the full 300 mA rating must use parts maintaining that specification.

Q: Why is BAS116LT1G listed as a substitute if it has lower current and different speed characteristics?

A: BAS116LT1G is listed as a manufacturer-recommended alternative for applications where switching speed is not critical and current requirements do not exceed 200 mA. It is not a direct equivalent and requires circuit-level evaluation before selection.

Q: Are all substitute parts available in the same packaging?

A: All substitute parts use SOT-23-3 (TO-236-3, SC-59) surface mount packaging, maintaining mechanical and thermal compatibility. Packaging options vary by supplier (Cut Tape, Tape & Reel, Bulk), but the physical package remains identical.

Q: What is the significance of the "-F" suffix in part numbers like BAS16-7-F?

A: The "-F" suffix indicates RoHS3 compliance and represents the current production version of the part. Parts without this suffix (such as the original BAS16-7) are discontinued or non-compliant with current environmental regulations.

Q: Can BAS16-TP be used if forward voltage is specified at 100 mA instead of 150 mA?

A: BAS16-TP forward voltage is specified at 100 mA rather than 150 mA. For applications where forward voltage at 150 mA is a critical parameter, circuit-level analysis is required to determine if the different measurement condition affects performance. The maximum forward voltage remains 1.25 V.

Q: Why is BAS16E6433HTMA1 not recommended despite meeting electrical parameters?

A: BAS16E6433HTMA1 is in Last Time Buy status, indicating the manufacturer is discontinuing production. New designs should not select parts with Last Time Buy status due to limited future availability and supply uncertainty.

Q: Are there any temperature range differences between substitute parts?

A: Most substitute parts operate from -65°C to 150°C or -55°C to 150°C junction temperature. BAS116LT1G operates from -55°C to 150°C. Applications requiring operation below -55°C must verify compatibility with the selected substitute part's temperature specification.

Q: What is the difference between Diodes Incorporated and alternative manufacturer substitutes?

A: Diodes Incorporated substitutes (BAS16-7-F, BAS16Q series, MMBD series) are from the original manufacturer, ensuring design continuity and consistent performance. Alternative manufacturers (Nexperia, NXP, onsemi, Infineon, Micro Commercial Co) provide equivalent functionality but may have different qualification levels and supply chains. Selection depends on supply availability and application requirements.

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