BAV 99 B5003 Equivalent & Substitute Parts

Part Overview

The BAV 99 B5003 is a general-purpose diode array manufactured by Infineon Technologies, configured as 1 pair series connection in SOT-23-3 surface mount package. This component is classified as obsolete, with 762 pieces currently in stock. The part operates at maximum reverse voltage of 80 V with 200 mA average rectified current per diode.

Due to the obsolete product status, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute parts maintain functional compatibility through matching diode configuration, package type, and electrical performance within specified tolerances.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Series Connection	—
Voltage - DC Reverse (Vr) (Max)	80	V
Current - Average Rectified (Io) (per Diode)	200	mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA	—
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	150 nA @ 70 V	—
Operating Temperature - Junction (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Technology	Standard	—
Speed Classification	Small Signal ≤ 200mA (Io), Any Speed	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for BAV 99 B5003 are selected based on the following substitution criteria:

Primary Compatibility Requirements:

Diode configuration: 1 Pair Series Connection (mandatory)
Package type: TO-236-3, SC-59, SOT-23-3 (mandatory for direct PCB replacement)
Mounting type: Surface Mount (mandatory)
Reverse voltage rating: Equal to or greater than 80 V
Current rating: Equal to or greater than 200 mA per diode
Forward voltage: Within acceptable operating range
Reverse recovery time: Consistent with small signal or fast recovery classification
Operating temperature range: Minimum 150°C junction temperature capability

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

Direct SOT-23-3 Package Substitutes – Parts maintaining identical package footprint with electrical parameters meeting or exceeding BAV 99 B5003 specifications
Alternative Package Substitutes – Parts with different package types (SOT-323, SOT-523) that maintain functional equivalence but require PCB layout modification

All substitute parts listed are from active manufacturers with current production status, ensuring long-term availability and supply chain continuity.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io (per Diode) [mA]	Vf (Max) @ If [V]	trr [ns/µs]	Package	Product Status
BAV 99 B5003	Infineon Technologies	80	200	1.25 @ 150 mA	4 ns	SOT-23-3	Obsolete
BAV199-7-F	Diodes Incorporated	85	140	1.1 @ 50 mA	3 µs	SOT-23-3	Active
BAV199Q-13-F	Diodes Incorporated	85	140	1.1 @ 50 mA	3 µs	SOT-23-3	Active
BAV199Q-7-F	Diodes Incorporated	85	140	1.1 @ 50 mA	3 µs	SOT-23-3	Active
BAV99,215	Nexperia USA Inc.	100	215	1.25 @ 150 mA	4 ns	SOT-23-3	Active
BAV99,235	Nexperia USA Inc.	100	215	1.25 @ 150 mA	4 ns	SOT-23-3	Active
BAV99-13-F	Diodes Incorporated	75	300	1.25 @ 150 mA	4 ns	SOT-23-3	Active
BAV99-7-F	Diodes Incorporated	75	300	1.25 @ 150 mA	4 ns	SOT-23-3	Active
BAV99-TP	Micro Commercial Co	70	200	1.25 @ 150 mA	6 ns	SOT-23-3	Active
BAV99T-TP	Micro Commercial Co	85	75	1.0 @ 50 mA	4 ns	SOT-523	Active
BAV99W,115	Nexperia USA Inc.	100	150	1.25 @ 150 mA	4 ns	SOT-323	Active

Engineering Selection Recommendations

Direct Replacement (SOT-23-3 Package):

For applications requiring direct PCB footprint compatibility without layout modification, the following parts are recommended based on active product status and compliance certifications:

BAV99,235 (Nexperia USA Inc.) – Highest inventory availability (644,803 pcs), AEC-Q101 automotive qualification, 100 V reverse voltage rating with 215 mA current capacity. Exceeds BAV 99 B5003 electrical specifications.
BAV99,215 (Nexperia USA Inc.) – AEC-Q101 automotive qualification, identical electrical performance to BAV99,235 with lower inventory (36,300 pcs).
BAV99-7-F (Diodes Incorporated) – Highest inventory among Diodes Incorporated variants (269,400 pcs), 75 V reverse voltage with 300 mA current capacity, RoHS3 compliant, extended temperature range (-65°C to 150°C).
BAV99-13-F (Diodes Incorporated) – Identical electrical performance to BAV99-7-F with lower inventory (20,600 pcs).

Conditional Substitutes (Voltage or Current Derating Required):

BAV199-7-F, BAV199Q-7-F, BAV199Q-13-F (Diodes Incorporated) – 85 V reverse voltage with 140 mA current capacity. Suitable only for applications where 80 V reverse voltage and 200 mA current are not simultaneously required at maximum ratings.
BAV99-TP (Micro Commercial Co) – 70 V reverse voltage with 200 mA current capacity. Suitable only for applications with maximum reverse voltage below 70 V.
BAV99T-TP (Micro Commercial Co) – 75 mA current capacity. Suitable only for applications with maximum current below 75 mA per diode.

Alternative Package Substitutes (PCB Layout Modification Required):

BAV99W,115 (Nexperia USA Inc.) – SOT-323 package (smaller footprint), 100 V reverse voltage, 150 mA current capacity, AEC-Q101 automotive qualification. Requires PCB redesign for package transition.

All recommended substitutes maintain 1 Pair Series Connection diode configuration and surface mount mounting type. Product status verification confirms active manufacturing for all substitute parts, ensuring supply chain continuity beyond the obsolete BAV 99 B5003.

Frequently Asked Questions (FAQ)

Q: Can BAV199-7-F directly replace BAV 99 B5003 in all applications?

A: BAV199-7-F maintains identical package type (SOT-23-3) and diode configuration (1 Pair Series Connection). However, it has lower current rating (140 mA vs. 200 mA per diode) and different reverse recovery time (3 µs vs. 4 ns). Direct replacement is valid only for applications where the 200 mA current specification is not required at maximum operating conditions.

Q: What is the difference between BAV99-7-F and BAV99-13-F from Diodes Incorporated?

A: Both parts have identical electrical specifications (75 V reverse voltage, 300 mA current capacity, 1.25 V forward voltage @ 150 mA, 4 ns reverse recovery time, SOT-23-3 package). The difference is in packaging format: BAV99-7-F is supplied in Cut Tape (CT) & Digi-Reel format, while BAV99-13-F is supplied in Cut Tape format. Electrical performance is equivalent.

Q: Why do Nexperia parts BAV99,215 and BAV99,235 have different part numbers but identical specifications?

A: Both parts have identical electrical specifications (100 V reverse voltage, 215 mA current capacity, 1.25 V forward voltage @ 150 mA, 4 ns reverse recovery time, SOT-23-3 package, AEC-Q101 qualification). The different part numbers reflect different manufacturing batches or internal Nexperia designation schemes. Both are functionally equivalent for substitution purposes.

Q: Is BAV99W,115 a suitable substitute for BAV 99 B5003?

A: BAV99W,115 maintains the same diode configuration (1 Pair Series Connection) and exceeds reverse voltage (100 V vs. 80 V). However, it uses SOT-323 package instead of SOT-23-3, requiring PCB layout modification. Current rating is 150 mA, below the 200 mA specification of BAV 99 B5003. Substitution requires both PCB redesign and current derating analysis.

Q: What does AEC-Q101 qualification mean for automotive applications?

A: AEC-Q101 is an automotive electronics qualification standard. Parts with this certification (BAV99,215, BAV99,235, BAV99W,115) have undergone reliability testing for automotive environments. These parts are suitable for automotive applications requiring qualified component status.

Q: Can BAV99-TP replace BAV 99 B5003?

A: BAV99-TP maintains SOT-23-3 package and 200 mA current rating. However, reverse voltage is limited to 70 V, below the 80 V specification of BAV 99 B5003. Substitution is valid only for applications where maximum reverse voltage does not exceed 70 V.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life without special moisture control measures. All listed substitute parts have MSL 1, matching the BAV 99 B5003 specification. No special storage or handling procedures are required.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed are RoHS3 compliant, matching the environmental compliance of BAV 99 B5003. This ensures compatibility with RoHS-regulated applications and supply chains.

Q: What is the difference between BAV199Q-7-F and BAV199Q-13-F?

A: Both parts have identical electrical specifications (85 V reverse voltage, 140 mA current capacity, 1.1 V forward voltage @ 50 mA, 3 µs reverse recovery time, SOT-23-3 package, AEC-Q101 automotive qualification). The difference is in packaging format: BAV199Q-7-F is supplied in Tape & Reel (TR) format, while BAV199Q-13-F is also supplied in Tape & Reel format. Both are functionally equivalent.

Q: Why does BAV99T-TP have a different package (SOT-523) compared to other BAV99 variants?

A: BAV99T-TP uses SOT-523 package, which is a smaller surface mount package than SOT-23-3. This package change results in lower current rating (75 mA vs. 200 mA). SOT-523 is used in space-constrained applications where smaller component size is prioritized over current capacity. PCB layout modification is required for substitution.

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