BAS19-G3-08 Equivalent & Substitute Parts

Part Overview

The BAS19-G3-08 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 100 V DC reverse voltage with a 200 mA average rectified current rating. The device is housed in a SOT-23-3 package and is classified as a small signal diode with a reverse recovery time of 50 ns. The BAS19-G3-08 maintains Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity for applications requiring general-purpose rectification in compact surface mount form factors.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	200	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 200 mA	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	100 nA @ 100 V	nA
Capacitance @ Vr, F	5 @ 0V, 1MHz	pF
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BAS19-G3-08 are qualified based on electrical and mechanical parameter equivalence. The substitution criteria are defined by the following key parameters:

Voltage - DC Reverse (Vr) (Max): 100 V
Current - Average Rectified (Io): 200 mA
Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 200 mA
Reverse Recovery Time (trr): 50 ns
Current - Reverse Leakage @ Vr: 100 nA @ 100 V
Capacitance @ Vr, F: 5 pF @ 0V, 1MHz
Package / Case: TO-236-3, SC-59, SOT-23-3
Operating Temperature - Junction: -55°C to 150°C
Mounting Type: Surface Mount

All substitute parts listed maintain identical electrical performance characteristics and package specifications. Differences in product status and qualification levels are noted to support application-specific selection requirements.

Parameter Comparison

Parameter	BAS19-G3-08	BAS19-E3-08	BAS19-HE3-08
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V
Current - Average Rectified (Io)	200 mA	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.25 V @ 200 mA	1.25 V @ 200 mA
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 100 V	100 nA @ 100 V	100 nA @ 100 V
Capacitance @ Vr, F	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz	5 pF @ 0V, 1MHz
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
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Last Time Buy
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Grade	—	—	Automotive
Qualification	—	—	AEC-Q101

Engineering Selection Recommendations

BAS19-E3-08: This part is a parametric equivalent to the BAS19-G3-08 with identical electrical and mechanical specifications. The BAS19-E3-08 maintains Active product status and is suitable for direct substitution in applications requiring standard general-purpose rectification. This part offers the highest inventory availability among the listed substitutes.

BAS19-HE3-08: This part is a parametric equivalent with identical electrical and mechanical specifications but carries Last Time Buy product status. The BAS19-HE3-08 includes Automotive grade classification and AEC-Q101 qualification, making it suitable for automotive applications requiring enhanced reliability standards. Selection of this part should account for its Last Time Buy status in long-term supply planning.

Frequently Asked Questions (FAQ)

Q: Are BAS19-E3-08 and BAS19-HE3-08 direct replacements for BAS19-G3-08?

A: Yes. Both parts are parametric equivalents with identical voltage ratings (100 V), current ratings (200 mA), forward voltage characteristics (1.25 V @ 200 mA), reverse recovery time (50 ns), and package specifications (SOT-23-3). All three parts are electrically and mechanically interchangeable.

Q: What is the difference between BAS19-G3-08 and BAS19-HE3-08?

A: The primary differences are product status and qualification level. BAS19-G3-08 is Active status with standard classification. BAS19-HE3-08 is Last Time Buy status with Automotive grade and AEC-Q101 qualification. Both maintain identical electrical performance and package form factor.

Q: Can BAS19-HE3-08 be used in non-automotive applications?

A: Yes. BAS19-HE3-08 meets all electrical and mechanical requirements for general-purpose rectification applications. The Automotive grade and AEC-Q101 qualification represent additional quality assurance levels that do not restrict use in non-automotive designs.

Q: What does Last Time Buy status mean for BAS19-HE3-08?

A: Last Time Buy status indicates that the manufacturer will discontinue production of this part after a specified date. Existing inventory remains available, but future availability is limited. For long-term production requirements, BAS19-E3-08 or BAS19-G3-08 with Active status are recommended.

Q: Are all three parts RoHS3 compliant?

A: Yes. BAS19-G3-08, BAS19-E3-08, and BAS19-HE3-08 are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), meeting environmental and reliability standards for commercial and industrial applications.

Q: Do these parts require different PCB layout considerations?

A: No. All three parts use identical SOT-23-3 package specifications (TO-236-3, SC-59) and surface mount mounting type. PCB footprints, solder reflow profiles, and assembly procedures are identical across all three parts.

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