BAS16WE6327HTSA1 Equivalent & Substitute Parts

Part Overview

The BAS16WE6327HTSA1 is a general-purpose fast recovery diode manufactured by Infineon Technologies, rated for 80 V DC reverse voltage and 250 mA average rectified current in a surface mount SC-70/SOT-323 package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The diode features fast recovery characteristics with a reverse recovery time of 4 ns, suitable for applications requiring rapid switching performance in rectification and signal protection circuits.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) Maximum	80	V
Current - Average Rectified (Io)	250	mA
Voltage - Forward (Vf) Maximum @ If	1.25 @ 150	V @ mA
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	—
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	1 @ 75	µA @ V
Capacitance @ Vr, F	2 @ 0, 1MHz	pF @ V, MHz
Package / Case	SC-70, SOT-323	—
Operating Temperature - Junction Maximum	150	°C
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the BAS16WE6327HTSA1 is determined by strict equivalence in the following electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) Maximum: 80 V or higher
Current - Average Rectified (Io): 250 mA or higher
Voltage - Forward (Vf) Maximum @ If: 1.25 V @ 150 mA or lower
Speed Classification: Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr): 4 ns or lower
Package / Case: SC-70, SOT-323 or compatible surface mount package
Mounting Type: Surface Mount

Secondary Compatibility Parameters:

Current - Reverse Leakage @ Vr: 1 µA @ 75 V or lower
Capacitance @ Vr, F: 2 pF @ 0V, 1MHz or lower
Operating Temperature - Junction: 150°C maximum or higher

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications) and manufacturer-recommended alternatives (meeting or exceeding all critical parameters with active product status).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io mA	Vf (Max) @ If	Speed	trr ns	Package	Status	Inventory
BAS16WE6327HTSA1	Infineon	80	250	1.25 @ 150mA	Fast Recovery ≤500ns	4	SC-70, SOT-323	Obsolete	1010
BAS16WH6327XTSA1	Infineon	80	250	1.25 @ 150mA	Fast Recovery ≤500ns	4	SC-70, SOT-323	Last Time Buy	904
BAS16WH6433XTMA1	Infineon	80	250	1.25 @ 150mA	Fast Recovery ≤500ns	4	SC-70, SOT-323	Last Time Buy	730
MMBD4448HW-7-F	Diodes Inc.	80	250	1.25 @ 150mA	Fast Recovery ≤500ns	4	TO-236-3, SC-59, SOT-23-3	Active	4300
BAS16W,115	Nexperia	100	175	1.25 @ 150mA	Small Signal ≤200mA	4	SC-70, SOT-323	Active	4400
BAS16W-7-F	Diodes Inc.	75	150	1.25 @ 150mA	Small Signal ≤200mA	4	SC-70, SOT-323	Active	134300
BAS16WT1G	onsemi	100	200	1.25 @ 150mA	Small Signal ≤200mA	6	SC-70, SOT-323	Active	43700
BAS116LT1G	onsemi	75	200	1.25 @ 150mA	Small Signal ≤200mA	3000	TO-236-3, SC-59, SOT-23-3	Active	17300
MMBD4448W-7-F	Diodes Inc.	75	250	1.25 @ 150mA	Fast Recovery ≤500ns	4	TO-236-3, SC-59, SOT-23-3	Active	4400

Engineering Selection Recommendations

Parametric Equivalents (Identical Electrical Specifications):

BAS16WH6327XTSA1 and BAS16WH6433XTMA1 are parametric equivalents to the BAS16WE6327HTSA1, maintaining identical voltage, current, forward voltage, speed classification, and reverse recovery time specifications. Both are Infineon products with ROHS3 compliance. BAS16WH6327XTSA1 carries Last Time Buy status with 904 units in stock, while BAS16WH6433XTMA1 also carries Last Time Buy status with 730 units available. These parts are direct functional replacements within the same manufacturer ecosystem.

Active Product Alternatives (Recommended for New Designs):

MMBD4448HW-7-F (Diodes Incorporated) is an active product that matches all electrical parameters of the original part: 80 V reverse voltage, 250 mA current rating, 1.25 V forward voltage, fast recovery speed, and 4 ns reverse recovery time. The primary difference is package format: SOT-23-3 (TO-236-3) instead of SOT-323. This part has 4300 units in stock and ROHS3 compliance.

MMBD4448W-7-F (Diodes Incorporated) is an active alternative with fast recovery characteristics and 250 mA current rating. It operates at 75 V reverse voltage (5 V lower than the original) and uses SOT-23-3 packaging. With 4400 units in stock and ROHS3 compliance, this part is suitable for applications where the lower voltage rating is acceptable.

Partial Specification Alternatives (Reduced Current or Voltage Ratings):

BAS16W-7-F (Diodes Incorporated) provides an active product option with 75 V reverse voltage and 150 mA current rating, representing a reduction in both parameters. However, it maintains the same forward voltage, reverse recovery time, and SOT-323 package. With 134,300 units in stock, this part offers superior availability for applications with lower current requirements.

BAS16WT1G (onsemi) is an active product rated for 100 V reverse voltage and 200 mA current, with SOT-323 packaging. The reverse recovery time is 6 ns (higher than the original 4 ns). This part has 43,700 units in stock and is suitable for applications requiring higher voltage tolerance with moderate current demands.

BAS116LT1G (onsemi) is an active product with 75 V reverse voltage and 200 mA current rating in SOT-23-3 packaging. The reverse recovery time is specified as 3 µs (significantly higher than the original 4 ns fast recovery specification), classifying it as a small signal diode. With 17,300 units in stock, this part is recommended only for applications where fast recovery is not a critical requirement.

BAS16W,115 (Nexperia) is an active automotive-grade product (AEC-Q101 qualified) with 100 V reverse voltage and 175 mA current rating in SOT-323 packaging. It maintains 4 ns reverse recovery time and includes automotive qualification. With 4400 units in stock, this part is suitable for automotive applications requiring higher voltage tolerance.

Selection Basis:

For direct replacement in existing designs, BAS16WH6327XTSA1 or BAS16WH6433XTMA1 are preferred as parametric equivalents. For new designs requiring active product status, MMBD4448HW-7-F maintains complete electrical equivalence with only package format differences. Alternative selections depend on specific application requirements regarding voltage rating, current capacity, and recovery speed characteristics.

Frequently Asked Questions (FAQ)

Q: Can BAS16W-7-F replace BAS16WE6327HTSA1 in all applications?

A: BAS16W-7-F is not a complete replacement. While it maintains the same forward voltage (1.25 V @ 150 mA), reverse recovery time (4 ns), and SOT-323 package, it has reduced voltage (75 V vs. 80 V) and current (150 mA vs. 250 mA) ratings. Use this part only in applications where these lower ratings are acceptable.

Q: What is the primary difference between MMBD4448HW-7-F and the original BAS16WE6327HTSA1?

A: MMBD4448HW-7-F is electrically identical to BAS16WE6327HTSA1 in all critical parameters: 80 V reverse voltage, 250 mA current, 1.25 V forward voltage, fast recovery speed, and 4 ns reverse recovery time. The only difference is the package format: MMBD4448HW-7-F uses SOT-23-3 (TO-236-3) while the original uses SOT-323. Both are surface mount packages with different pin configurations and footprints.

Q: Why is BAS116LT1G listed as a substitute if its reverse recovery time is 3 µs instead of 4 ns?

A: BAS116LT1G is classified as a manufacturer-recommended alternative rather than a direct equivalent. The 3 µs reverse recovery time indicates it is a small signal diode, not a fast recovery diode. This part is suitable only for applications where fast switching is not required. The significant difference in recovery time makes it unsuitable for high-frequency rectification or fast switching applications.

Q: Can I use BAS16WT1G as a drop-in replacement?

A: BAS16WT1G can serve as a functional replacement in many applications due to its higher voltage rating (100 V vs. 80 V) and SOT-323 package compatibility. However, the reverse recovery time is 6 ns compared to the original 4 ns, which may affect performance in high-frequency switching circuits. The current rating is also lower at 200 mA versus 250 mA.

Q: What does "Last Time Buy" status mean for BAS16WH6327XTSA1 and BAS16WH6433XTMA1?

A: Last Time Buy status indicates that these parts are in the final phase of production and will not be manufactured after existing inventory is depleted. While they are parametric equivalents to the obsolete BAS16WE6327HTSA1, their availability is limited. BAS16WH6327XTSA1 has 904 units and BAS16WH6433XTMA1 has 730 units in stock. For long-term supply security, active products such as MMBD4448HW-7-F or BAS16W-7-F are recommended.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts carry ROHS3 compliance status. The original BAS16WE6327HTSA1 does not specify ROHS status, but all active and Last Time Buy alternatives meet ROHS3 requirements, ensuring compliance with current environmental regulations.

Q: What is the difference between SOT-323 and SOT-23-3 packages?

A: Both are surface mount packages for three-terminal devices, but they have different physical dimensions and pin configurations. SOT-323 (also called SC-70) is smaller than SOT-23-3 (also called TO-236-3 or SC-59). When substituting between these packages, PCB layout and footprint must be verified for compatibility. MMBD4448HW-7-F uses SOT-23-3, which is larger than the original SOT-323 package.

Q: Which substitute part has the best availability?

A: BAS16W-7-F (Diodes Incorporated) has the highest inventory with 134,300 units in stock. However, this part has reduced voltage (75 V) and current (150 mA) ratings compared to the original. For applications requiring the full 80 V / 250 mA specification, MMBD4448HW-7-F with 4300 units or BAS16WT1G with 43,700 units are the best-stocked options.

Q: Can BAS16W,115 be used in automotive applications?

A: Yes, BAS16W,115 (Nexperia) is specifically qualified for automotive applications under AEC-Q101 standard. It provides 100 V reverse voltage, 175 mA current, and maintains the 4 ns reverse recovery time in SOT-323 packaging. This part is suitable for automotive designs requiring higher voltage tolerance than the original 80 V specification.

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