BAS16T,115 Equivalent & Substitute Parts

Part Overview

The BAS16T,115 is a general-purpose rectifier diode manufactured by NXP USA Inc., rated for 100 V DC reverse voltage and 155 mA average rectified current in an SC-75 surface mount package. This component is classified as obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility within the specified voltage and current parameters while accommodating available package options and current product status.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	155	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 150 mA	V
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	500 nA @ 80 V	nA
Capacitance @ Vr, F	1.5 @ 0V, 1MHz	pF
Mounting Type	Surface Mount	—
Package / Case	SC-75, SOT-416	—
Operating Temperature - Junction (Max)	150	°C
RoHS Status	ROHS3 Compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the BAS16T,115 is determined by the following critical electrical parameters:

Primary Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 100 V
Current - Average Rectified (Io): Must equal or exceed 155 mA
Voltage - Forward (Vf) (Max) @ If: Must not exceed 1.25 V @ 150 mA
Reverse Recovery Time (trr): Must equal or be faster than 4 ns
Operating Temperature - Junction (Max): Must support 150°C

Secondary Compatibility Criteria:

Reverse Leakage Current: Must not exceed 500 nA @ 80 V
Capacitance: Must not exceed 1.5 pF @ 0V, 1MHz
RoHS Compliance: Must maintain ROHS3 Compliant status

Substitute parts are grouped into two categories based on package compatibility and electrical performance:

Category A - Direct Package Compatibility (SC-75, SOT-416): Parts maintaining the original SC-75 or SOT-416 package footprint with equivalent or superior electrical ratings.

Category B - Alternative Package Options (SOT-23, SOT-323, DFN1006-2): Parts with different surface mount packages that meet or exceed electrical specifications, suitable for designs where package migration is acceptable.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [V]	trr [ns]	Package	Product Status
BAS16T,115	NXP USA Inc.	100	155	1.25 @ 150 mA	4	SC-75, SOT-416	Obsolete
BAS16TT1G	onsemi	100	200	1.25 @ 150 mA	6	SC-75, SOT-416	Active
BAS16,215	Nexperia USA Inc.	100	215	1.25 @ 150 mA	4	TO-236-3, SC-59, SOT-23-3	Active
BAS16W,115	Nexperia USA Inc.	100	175	1.25 @ 150 mA	4	SC-70, SOT-323	Active
BAS16-TP	Micro Commercial Co	100	300	1.25 @ 100 mA	4	TO-236-3, SC-59, SOT-23-3	Active
BAS16L,315	Nexperia USA Inc.	100	215	1.25 @ 150 mA	4	SOD-882	Active
BAS16E6327HTSA1	Infineon Technologies	80	250	1.25 @ 150 mA	4	TO-236-3, SC-59, SOT-23-3	Last Time Buy
BAS16E6433HTMA1	Infineon Technologies	80	250	1.25 @ 150 mA	4	TO-236-3, SC-59, SOT-23-3	Last Time Buy

Engineering Selection Recommendations

Primary Recommendation - Direct Package Replacement:

BAS16TT1G (onsemi) is the preferred substitute for BAS16T,115. This part maintains the original SC-75, SOT-416 package footprint, ensuring direct PCB compatibility without layout modifications. Electrical specifications exceed the original part: 200 mA average rectified current versus 155 mA, with identical 100 V reverse voltage rating and 1.25 V forward voltage. Product status is Active, ensuring long-term availability and supply chain stability. RoHS3 compliance is maintained.

Secondary Recommendation - Enhanced Current Rating:

BAS16,215 (Nexperia USA Inc.) provides superior current handling at 215 mA with identical voltage specifications and forward voltage characteristics. This part transitions to a TO-236-3 (SOT-23-3) package, requiring PCB layout modification. Product status is Active with AEC-Q101 automotive qualification. RoHS3 compliance is maintained. Suitable for designs where package migration is feasible.

Alternative for Space-Constrained Applications:

BAS16W,115 (Nexperia USA Inc.) offers a compact SC-70 (SOT-323) package with 175 mA current rating, meeting the original 155 mA requirement with margin. Voltage and forward voltage specifications are identical. Product status is Active with AEC-Q101 automotive qualification. RoHS3 compliance is maintained. Operating temperature range extends to -65°C.

Not Recommended:

BAS16E6327HTSA1 and BAS16E6433HTMA1 (Infineon Technologies) have reduced reverse voltage rating of 80 V, which does not meet the 100 V specification of the original part. Product status is Last Time Buy, indicating limited future availability. These parts are suitable only for applications with 80 V or lower voltage requirements.

Frequently Asked Questions (FAQ)

Q1: Can BAS16TT1G directly replace BAS16T,115 without PCB modifications?

A: Yes. BAS16TT1G maintains the SC-75, SOT-416 package footprint identical to BAS16T,115. No PCB layout changes are required. Electrical specifications are compatible: 100 V reverse voltage, 200 mA average rectified current (exceeding the original 155 mA), and 1.25 V forward voltage at 150 mA.

Q2: What is the key difference between BAS16,215 and BAS16TT1G?

A: Both parts meet the electrical requirements of BAS16T,115. BAS16TT1G maintains the original SC-75 package, while BAS16,215 uses a TO-236-3 (SOT-23-3) package. BAS16,215 offers higher current capacity (215 mA) and carries AEC-Q101 automotive qualification. Package selection depends on PCB layout constraints and application requirements.

Q3: Why are BAS16E6327HTSA1 and BAS16E6433HTMA1 not recommended as direct substitutes?

A: These Infineon parts have a maximum reverse voltage rating of 80 V, which is below the 100 V specification of BAS16T,115. They are suitable only for applications with 80 V or lower voltage requirements. Additionally, both parts have Last Time Buy status, indicating limited future availability.

Q4: Is BAS16W,115 suitable for the same applications as BAS16T,115?

A: BAS16W,115 is suitable for applications where the 175 mA current rating meets or exceeds the design requirement. The part maintains 100 V reverse voltage and 1.25 V forward voltage specifications. The primary difference is the SC-70 (SOT-323) package, which is more compact than SC-75. PCB layout modifications are required for package migration.

Q5: What is the significance of AEC-Q101 qualification on substitute parts?

A: AEC-Q101 is an automotive industry qualification standard. Parts carrying this qualification (BAS16,215 and BAS16W,115) have undergone additional reliability testing and are suitable for automotive applications. This qualification is not present on the original BAS16T,115 or on onsemi's BAS16TT1G.

Q6: Are all recommended substitutes RoHS3 compliant?

A: Yes. All substitute parts listed maintain RoHS3 compliance, consistent with the original BAS16T,115. This ensures compatibility with environmental and regulatory requirements.

Q7: What is the difference between Cut Tape (CT) and Tape & Reel (TR) packaging?

A: Cut Tape (CT) packaging is supplied in individual strips suitable for manual assembly or small-volume production. Tape & Reel (TR) packaging is supplied on continuous reels for automated assembly equipment. Both formats contain identical components; packaging format selection depends on production volume and assembly process.

Q8: Can BAS16-TP replace BAS16T,115 in all applications?

A: BAS16-TP has a higher current rating (300 mA) and meets the 100 V reverse voltage requirement. However, the forward voltage specification differs: 1.25 V @ 100 mA versus 1.25 V @ 150 mA on the original part. The TO-236-3 (SOT-23-3) package requires PCB layout modification. Verify forward voltage characteristics for your specific application before substitution.

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