DF02S Bridge Rectifier Single Phase 200V 1.5A Equivalent & Substitute Parts

Part Overview

The DF02S is a single-phase bridge rectifier diode manufactured by onsemi, rated for 200V peak reverse voltage and 1.5A average rectified current in a 4-SDIP surface mount package. The part is classified as "Not For New Designs," indicating it is in mature or declining production status. Finding equivalent and substitute parts is necessary for design flexibility, supply chain continuity, and access to components with active production status or alternative packaging options.

Key Parameters

Parameter	Value
Diode Type	Single Phase Bridge Rectifier
Voltage - Peak Reverse (Max)	200 V
Current - Average Rectified (Io)	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1.5 A
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Supplier Device Package	4-SDIP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the DF02S are grouped based on strict electrical and mechanical compatibility criteria:

Primary Substitution Criteria:

Diode Type: Single Phase Bridge Rectifier (required match)
Voltage - Peak Reverse (Max): 200V minimum (equal or higher voltage rating acceptable)
Current - Average Rectified (Io): 1.5A minimum (equal or higher current rating acceptable)
Mounting Type: Surface Mount (required match)
Package / Case: 4-SMD, Gull Wing (required match)

Acceptable Substitution Logic:

Parts with equal or higher voltage ratings can substitute for lower-rated applications
Parts with equal or higher current ratings can substitute for lower-rated applications
Forward voltage and reverse leakage characteristics must remain within acceptable operating margins
Operating temperature range must support the application requirements
RoHS and MSL compliance must be verified for manufacturing and environmental requirements

Parts meeting these criteria are listed below, organized by voltage rating and current capacity.

Parameter Comparison

Part Number	Manufacturer	Voltage (V)	Current (A)	Vf @ If	Ir @ Vr	Temp Range (°C)	Package	Status	RoHS
DF02S	onsemi	200	1.5	1.1V @ 1.5A	10µA @ 200V	-55 ~ 150	4-SDIP	Not For New Designs	ROHS3
DF005S	onsemi	50	1.5	1.1V @ 1A	5µA @ 50V	-55 ~ 150	4-SDIP	Not For New Designs	ROHS3
DF01S	onsemi	100	1.5	1.1V @ 1.5A	5µA @ 100V	-55 ~ 150	4-SDIP	Not For New Designs	ROHS3
DF04S	Vishay General Semiconductor	400	1	1.1V @ 1A	5µA @ 400V	-55 ~ 150	DFS	Obsolete	Non-compliant
DF06S	Fairchild Semiconductor	600	1	1.1V @ 1A	10µA @ 600V	-65 ~ 150	DF-S	Active	Not specified
DF08S	onsemi	800	1.5	1.1V @ 1A	10µA @ 800V	-55 ~ 150	4-SDIP	Not For New Designs	ROHS3
DF10S	Good-Ark Semiconductor	1000	1	1.1V @ 500mA	5µA @ 1000V	-55 ~ 150	DFS	Active	ROHS3
DF1502S	Diodes Incorporated	200	1.5	1.1V @ 1.5A	10µA @ 100V	-65 ~ 150	DF-S	Active	ROHS3
DF1502S-T	Diodes Incorporated	200	1.5	1.1V @ 1.5A	10µA @ 200V	-65 ~ 150	DF-S	Active	ROHS3
SDB103-TP	Micro Commercial Co	200	1	1.1V @ 1A	10µA @ 200V	-55 ~ 150	SDB-1	Not For New Designs	ROHS3

Engineering Selection Recommendations

Direct Equivalents (Same Voltage and Current Rating):

DF1502S and DF1502S-T from Diodes Incorporated are direct functional equivalents to the DF02S, both rated for 200V and 1.5A. Both parts are in Active production status, providing supply chain advantages over the DF02S. DF1502S-T includes tape and reel packaging, offering better handling for automated assembly. Both are ROHS3 compliant with extended operating temperature range (-65°C to 150°C versus -55°C to 150°C for DF02S).

Higher Voltage Substitutes (Acceptable for 200V Applications):

DF08S (800V, 1.5A) and DF10S (1000V, 1A) provide higher voltage ratings suitable for 200V applications. DF08S maintains the 1.5A current rating and 4-SDIP package compatibility. DF10S is in Active production status but reduces current capacity to 1A, requiring application verification. Both are ROHS3 compliant.

Lower Voltage Substitutes (Not Recommended):

DF005S (50V) and DF01S (100V) have insufficient voltage ratings for 200V applications and are not suitable substitutes.

Obsolete or Non-Compliant Parts (Not Recommended):

DF04S is marked Obsolete and RoHS non-compliant. SDB103-TP has reduced current rating (1A versus 1.5A) and is marked Not For New Designs.

Recommended Primary Substitutes:

DF1502S-T (Diodes Incorporated) — Active status, tape and reel packaging, extended temperature range
DF1502S (Diodes Incorporated) — Active status, bulk packaging option
DF08S (onsemi) — Higher voltage margin, maintains 1.5A rating and 4-SDIP package

Frequently Asked Questions (FAQ)

Q: Can DF005S or DF01S substitute for DF02S?

A: No. DF005S (50V) and DF01S (100V) have insufficient peak reverse voltage ratings for applications requiring 200V operation. Substitution would result in component failure or reduced reliability.

Q: What is the difference between DF1502S and DF1502S-T?

A: Both are rated identically at 200V and 1.5A. The primary difference is packaging: DF1502S is supplied in bulk, while DF1502S-T is supplied in cut tape and reel format, suitable for automated assembly processes. DF1502S-T also specifies reverse leakage at 200V (matching DF02S specification) versus 100V for DF1502S.

Q: Can DF08S or DF10S be used instead of DF02S?

A: Yes, with application verification. Both have higher voltage ratings (800V and 1000V respectively), making them suitable for 200V applications. DF08S maintains the 1.5A current rating and 4-SDIP package. DF10S reduces current to 1A and uses a different package (DFS), requiring PCB layout review.

Q: Why is DF02S marked "Not For New Designs"?

A: This status indicates the part is in mature production with no active development. Diodes Incorporated's DF1502S and DF1502S-T are recommended alternatives for new designs, offering active production status and extended temperature range support.

Q: Are all substitute parts RoHS3 compliant?

A: Most substitutes are ROHS3 compliant. DF04S is RoHS non-compliant and should not be used in applications requiring RoHS certification. Verify compliance requirements for your specific application.

Q: What is the MSL rating for these parts?

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

Q: Can I use a higher voltage-rated part in a lower voltage application?

A: Yes. Bridge rectifiers with higher voltage ratings can operate in lower voltage applications. The higher voltage rating provides additional safety margin and reliability. However, verify that forward voltage drop and reverse leakage characteristics remain acceptable for your circuit design.

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