BAV199T-7 Equivalent & Substitute Parts

Part Overview

The BAV199T-7 is a general-purpose diode array in a surface mount SOT-523 package, configured as 1 pair series connection with a maximum reverse voltage of 85 V and average rectified current of 125 mA per diode. This component is classified as a small signal diode suitable for applications requiring fast switching characteristics with a reverse recovery time of 3 µs.

The BAV199T-7 is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max)	85 V
Current - Average Rectified (Io) (per Diode)	125 mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 50 mA
Reverse Recovery Time (trr)	3 µs
Current - Reverse Leakage @ Vr	5 nA @ 75 V
Operating Temperature - Junction	-65°C ~ 150°C
Mounting Type	Surface Mount
Package / Case	SOT-523
Technology	Standard
Speed Classification	Small Signal ≤ 200 mA (Io), Any Speed

Substitute Part Grouping Explanation

Substitution of the BAV199T-7 is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match identically for a part to function as a direct substitute:

Diode configuration (1 pair series connection)
Maximum reverse voltage (85 V)
Average rectified current per diode (125 mA DC)
Forward voltage specification (1.1 V @ 50 mA)
Reverse recovery time (3 µs)
Reverse leakage current (5 nA @ 75 V)
Operating temperature range (-65°C ~ 150°C)
Surface mount technology
SOT-523 package

The BAV199T-7-F meets all these criteria and is therefore classified as a parametric equivalent substitute part.

Parameter Comparison

Parameter	BAV199T-7	BAV199T-7-F
Manufacturer	Diodes Incorporated	Diodes Incorporated
Diode Configuration	1 Pair Series Connection	1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max)	85 V	85 V
Current - Average Rectified (Io) (per Diode)	125 mA (DC)	125 mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 50 mA	1.1 V @ 50 mA
Reverse Recovery Time (trr)	3 µs	3 µs
Current - Reverse Leakage @ Vr	5 nA @ 75 V	5 nA @ 75 V
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 150°C
Mounting Type	Surface Mount	Surface Mount
Package / Case	SOT-523	SOT-523
Technology	Standard	Standard
Speed Classification	Small Signal ≤ 200 mA (Io), Any Speed	Small Signal ≤ 200 mA (Io), Any Speed
Product Status	Discontinued at DiGi Electronics	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant
Packaging Option	Not specified	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

The BAV199T-7-F is the direct parametric equivalent substitute for the discontinued BAV199T-7. Both parts are manufactured by Diodes Incorporated and share identical electrical specifications and mechanical packaging.

The primary distinction between these parts is product status and compliance certification. The BAV199T-7-F is currently active in production with ROHS3 compliance, whereas the BAV199T-7 is discontinued and RoHS non-compliant. For new designs and ongoing production requirements, the BAV199T-7-F is the appropriate selection.

The BAV199T-7-F is available in Cut Tape (CT) and Digi-Reel® packaging formats, providing flexibility for both prototype and high-volume manufacturing environments. All electrical performance characteristics, thermal specifications, and switching behavior remain identical between the two part numbers.

Frequently Asked Questions (FAQ)

Q: Can the BAV199T-7-F be used as a direct replacement for the BAV199T-7 in existing designs?

A: Yes. The BAV199T-7-F is a parametric equivalent with identical electrical specifications, reverse voltage rating, forward voltage characteristics, reverse recovery time, and operating temperature range. The SOT-523 package dimensions and pinout are identical, enabling direct substitution in existing PCB layouts.

Q: What is the difference between BAV199T-7 and BAV199T-7-F?

A: The parts are electrically and mechanically identical. The primary differences are product status (BAV199T-7-F is active; BAV199T-7 is discontinued) and compliance certification (BAV199T-7-F is ROHS3 compliant; BAV199T-7 is RoHS non-compliant). The BAV199T-7-F is available in Cut Tape and Digi-Reel packaging.

Q: Are there any thermal or electrical performance differences between these parts?

A: No. Both parts operate across the same temperature range (-65°C to 150°C junction temperature), maintain identical reverse leakage current specifications (5 nA @ 75 V), and exhibit the same reverse recovery time (3 µs).

Q: What packaging formats are available for the BAV199T-7-F?

A: The BAV199T-7-F is supplied in Cut Tape (CT) and Digi-Reel® packaging options, suitable for both manual assembly and automated pick-and-place manufacturing processes.

Q: Is the BAV199T-7-F suitable for new product designs?

A: Yes. The BAV199T-7-F is an active product with current manufacturing support and ROHS3 compliance, making it the appropriate choice for new designs requiring a general-purpose diode array with 85 V reverse voltage and 125 mA rectified current specifications in SOT-523 surface mount packaging.

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