DF06SA-E3/45 Equivalent & Substitute Parts

Part Overview

The DF06SA-E3/45 is a single-phase bridge rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 600 V peak reverse voltage with 1 A average rectified current, designed for standard rectification applications. The part is currently active in production with 1,037 pieces in stock. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when sourcing from multiple manufacturers is needed for supply chain resilience.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	600 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Current - Reverse Leakage @ Vr	5 µA @ 600 V
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the DF06SA-E3/45 are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Diode Type: Single Phase
Technology: Standard
Voltage - Peak Reverse (Max): 600 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 1 A
Mounting Type: Surface Mount
Package / Case: 4-SMD, Gull Wing

Parts meeting all these parameters are classified as parametric equivalents. Variations in reverse leakage current (5 µA to 10 µA @ 600 V) and operating temperature range (-55°C to -65°C minimum) do not disqualify substitution when all primary electrical and mechanical parameters align.

Parameter Comparison

Part Number	Manufacturer	Voltage - Peak Reverse (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Current - Reverse Leakage @ Vr	Operating Temperature	Package / Case	Product Status	Inventory
DF06SA-E3/45	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	5 µA @ 600 V	-55°C ~ 150°C (TJ)	4-SMD, Gull Wing	Active	1,037 Pcs
DF06S-E3/45	Vishay General Semiconductor - Diodes Division	600 V	1 A	1.1 V @ 1 A	5 µA @ 600 V	-55°C ~ 150°C (TJ)	4-SMD, Gull Wing	Active	4,130 Pcs
DF06S-T	Diodes Incorporated	600 V	1 A	1.1 V @ 1 A	10 µA @ 600 V	-65°C ~ 150°C (TJ)	4-SMD, Gull Wing	Active	59,300 Pcs
DB105S-G	Comchip Technology	600 V	1 A	1.1 V @ 1 A	10 µA @ 600 V	-55°C ~ 150°C (TJ)	4-SMD, Gull Wing	Obsolete	1,081 Pcs
DF06S-G	Comchip Technology	600 V	1 A	1.1 V @ 1 A	10 µA @ 600 V	-55°C ~ 150°C (TJ)	4-SMD, Gull Wing	Obsolete	1,140 Pcs
DF06S	Fairchild Semiconductor	600 V	1 A	1.1 V @ 1 A	10 µA @ 600 V	-65°C ~ 150°C (TJ)	4-SMD, Gull Wing	Active	38,560 Pcs

Engineering Selection Recommendations

Primary Substitute (Recommended): DF06S-E3/45 from Vishay General Semiconductor - Diodes Division. This part is electrically and mechanically identical to the DF06SA-E3/45, with higher inventory availability (4,130 pieces). Both parts are active products with ROHS3 compliance and MSL 1 rating.

Secondary Substitute (Active Status): DF06S-T from Diodes Incorporated. This part meets all primary electrical and mechanical parameters with extended lower operating temperature range (-65°C minimum). It is an active product with ROHS3 compliance and the highest inventory availability (59,300 pieces). Reverse leakage current is 10 µA @ 600 V, within acceptable tolerance for standard bridge rectifier applications.

Alternative Substitute (Active Status): DF06S from Fairchild Semiconductor. This part meets all primary electrical and mechanical parameters with extended lower operating temperature range (-65°C minimum). It is an active product with the second-highest inventory availability (38,560 pieces). Reverse leakage current is 10 µA @ 600 V.

Not Recommended for New Designs: DB105S-G and DF06S-G from Comchip Technology are classified as obsolete products. While electrically and mechanically compatible, their obsolete status makes them unsuitable for new design implementations or long-term supply chain planning.

Frequently Asked Questions (FAQ)

Q: Can DF06S-E3/45 be used as a direct replacement for DF06SA-E3/45?

A: Yes. DF06S-E3/45 is a parametric equivalent with identical electrical specifications (600 V, 1 A, 1.1 V forward voltage) and mechanical package (4-SMD, Gull Wing). Both are manufactured by Vishay and are active products with ROHS3 compliance.

Q: What is the difference between DF06S-T and DF06SA-E3/45?

A: DF06S-T from Diodes Incorporated meets all primary electrical and mechanical parameters. The reverse leakage current is 10 µA @ 600 V (compared to 5 µA for DF06SA-E3/45) and the operating temperature minimum is -65°C (compared to -55°C). These differences do not affect substitution compatibility for standard rectification applications.

Q: Why are DB105S-G and DF06S-G listed as obsolete?

A: Both parts are classified as obsolete by their respective manufacturers (Comchip Technology). While they remain electrically and mechanically compatible, obsolete status indicates discontinued production and limited future availability. They should not be selected for new designs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active substitute parts (DF06S-E3/45, DF06S-T, DF06S) are ROHS3 compliant. Obsolete parts (DB105S-G, DF06S-G) also carry ROHS3 compliance status.

Q: What is the MSL rating for these parts?

A: All listed parts have MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Can I use DF06S from Fairchild Semiconductor as a substitute?

A: Yes. DF06S meets all primary electrical and mechanical parameters and is an active product. It offers extended lower operating temperature range (-65°C minimum) and high inventory availability (38,560 pieces).

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