BAV99L RFG Equivalent & Substitute Parts

Part Overview

The BAV99L RFG is a general-purpose diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 pair series connection rated for 70 V DC reverse voltage and 200 mA average rectified current per diode. This component is packaged in a surface mount SOT-23-3 (TO-236-3, SC-59) configuration and is classified as obsolete. Due to its obsolete product status, equivalent substitute parts from active manufacturers are necessary to maintain design continuity and ensure ongoing component availability for production and repair applications.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max)	70 V
Current - Average Rectified (Io) (per Diode)	200 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA
Reverse Recovery Time (trr)	6 ns
Current - Reverse Leakage @ Vr	2.5 µA @ 70 V
Operating Temperature - Junction	-55°C ~ 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

Substitute Part Grouping Explanation

Substitution eligibility for the BAV99L RFG is determined by strict parametric equivalence across the following critical specifications:

Mandatory Matching Parameters:

Diode Configuration: 1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max): 70 V minimum
Current - Average Rectified (Io) (per Diode): 200 mA minimum
Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 150 mA maximum
Reverse Recovery Time (trr): 6 ns
Current - Reverse Leakage @ Vr: 2.5 µA @ 70 V maximum
Operating Temperature - Junction: -55°C to 150°C minimum range
Package / Case: TO-236-3, SC-59, SOT-23-3
Mounting Type: Surface Mount

All identified substitute parts meet these electrical and mechanical requirements. Packaging format differences (Cut Tape versus Tape & Reel) do not affect electrical compatibility and represent only supply chain variations.

Parameter Comparison

Parameter	BAV99L RFG (Main)	BAV99 RFG	ACDST-99-G	BAV99-TP
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Comchip Technology	Micro Commercial Co
Product Status	Obsolete	Active	Active	Active
Diode Configuration	1 Pair Series Connection	1 Pair Series Connection	1 Pair Series Connection	1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max)	70 V	70 V	70 V	70 V
Current - Average Rectified (Io) (per Diode)	200 mA	200 mA	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA	1.25 V @ 150 mA	1.25 V @ 150 mA	1.25 V @ 150 mA
Reverse Recovery Time (trr)	6 ns	6 ns	6 ns	6 ns
Current - Reverse Leakage @ Vr	2.5 µA @ 70 V	2.5 µA @ 70 V	2.5 µA @ 70 V	2.5 µA @ 75 V
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C (Max 150°C)	-55°C ~ 150°C
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

BAV99 RFG (Taiwan Semiconductor Corporation)

This substitute is manufactured by the same original manufacturer as the BAV99L RFG. It maintains identical electrical specifications and is currently in active production status. The only difference is packaging format (Tape & Reel versus Cut Tape), which does not affect electrical performance. This part is suitable for direct replacement in all applications where the BAV99L RFG was previously specified.

ACDST-99-G (Comchip Technology)

This substitute meets all parametric requirements and is qualified to AEC-Q101 automotive standards. It is manufactured by Comchip Technology and maintains active product status. The ACDST-99-G is suitable for applications requiring automotive-grade components. All electrical and thermal specifications are equivalent to the BAV99L RFG.

BAV99-TP (Micro Commercial Co)

This substitute is manufactured by Micro Commercial Co and is in active production. It meets all parametric requirements with reverse leakage current specified at 75 V, which exceeds the 70 V requirement of the BAV99L RFG. Operating temperature range and all other electrical specifications are equivalent. This part is suitable for direct replacement in all applications.

All three substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings, matching the compliance profile of the original BAV99L RFG.

Frequently Asked Questions (FAQ)

Q: Can BAV99 RFG be used as a direct replacement for BAV99L RFG?

A: Yes. BAV99 RFG is electrically and mechanically equivalent to BAV99L RFG. Both are manufactured by Taiwan Semiconductor Corporation and share identical electrical specifications. The difference in packaging format (Tape & Reel versus Cut Tape) does not affect circuit performance.

Q: What is the primary reason for seeking substitutes for BAV99L RFG?

A: BAV99L RFG is classified as obsolete. Active substitute parts ensure continued availability for production, repair, and maintenance applications.

Q: Are all substitute parts pin-compatible with BAV99L RFG?

A: Yes. All substitute parts use the same SOT-23-3 (TO-236-3, SC-59) package configuration with identical pinout and mechanical dimensions.

Q: Does ACDST-99-G offer any advantages over other substitutes?

A: ACDST-99-G carries AEC-Q101 automotive qualification. This certification is relevant only for applications requiring automotive-grade components. For non-automotive applications, all substitutes are functionally equivalent.

Q: What is the difference between BAV99-TP and BAV99L RFG regarding reverse leakage current?

A: BAV99-TP specifies reverse leakage current at 75 V, while BAV99L RFG specifies it at 70 V. Both meet the 2.5 µA maximum requirement. The higher test voltage for BAV99-TP represents a more stringent specification and does not affect compatibility.

Q: Can these diode arrays be used in high-temperature applications?

A: All substitute parts and the original BAV99L RFG support operating junction temperatures from -55°C to 150°C. Selection should be based on specific application thermal requirements within this range.

Q: Are there any compliance or regulatory differences between the substitutes?

A: All parts are ROHS3 compliant, REACH unaffected, and carry identical MSL 1 ratings. ACDST-99-G includes additional AEC-Q101 automotive qualification, which is not required for general-purpose applications.

Q: What packaging formats are available for these substitutes?

A: BAV99 RFG and ACDST-99-G are supplied in Tape & Reel format. BAV99-TP is also supplied in Tape & Reel format. The original BAV99L RFG was available in Cut Tape format. All formats contain the same component and differ only in supply chain presentation.

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