DB101-BP Bridge Rectifier Single Phase 50V 1A Equivalent & Substitute Parts

Part Overview

The DB101-BP is a single-phase bridge rectifier diode manufactured by Micro Commercial Co, rated for 50V peak reverse voltage and 1A average rectified current. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Finding equivalent and substitute parts is necessary to maintain design flexibility, ensure supply chain continuity, and support legacy system repairs or redesigns using active alternatives.

Key Parameters

Parameter	Value
Diode Type	Single Phase
Technology	Standard
Voltage - Peak Reverse (Max)	50 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Current - Reverse Leakage @ Vr	10 µA @ 50 V
Operating Temperature Range	-55°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	4-EDIP (0.321", 8.15mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the DB101-BP is determined by the following critical parameters:

Primary Substitution Criteria:

Diode Type: Single Phase (required match)
Technology: Standard (required match)
Voltage - Peak Reverse (Max): 50 V minimum (equal or higher acceptable)
Current - Average Rectified (Io): 1 A minimum (equal or higher acceptable)
Mounting Type: Through Hole (required match)
Operating Temperature Range: Must encompass or exceed -55°C ~ 150°C

Secondary Compatibility Factors:

Package / Case: 4-EDIP form factor preferred for direct mechanical compatibility
Forward Voltage (Vf): Electrical performance parameter; variations within 1.1 V @ rated current acceptable
Reverse Leakage Current: Lower values indicate better performance; higher values acceptable within standard specifications

Substitute parts are grouped into two categories:

Direct Equivalents (Parametric Match): Parts meeting all primary criteria with identical or superior electrical ratings and compatible packaging.

Functional Alternatives (Higher Ratings): Parts exceeding voltage or current specifications while maintaining single-phase bridge rectifier functionality and through-hole mounting.

Parameter Comparison

Part Number	Manufacturer	Voltage - Peak Reverse (Max)	Current - Average Rectified (Io)	Vf (Max) @ If	Reverse Leakage @ Vr	Operating Temperature	Package / Case	Product Status
DB101-BP	Micro Commercial Co	50 V	1 A	1.1 V @ 1 A	10 µA @ 50 V	-55°C ~ 150°C	4-EDIP (0.321", 8.15mm)	Not For New Designs
DF005M	Fairchild Semiconductor	50 V	1 A	1.1 V @ 1 A	10 µA @ 50 V	-65°C ~ 150°C	4-EDIP (0.300", 7.62mm)	Active
DB101	SMC Diode Solutions	50 V	1 A	1.1 V @ 1 A	5 µA @ 50 V	-55°C ~ 150°C	4-EDIP (0.321", 8.15mm)	Active
DF005-G	Comchip Technology	50 V	1 A	1.1 V @ 1 A	10 µA @ 50 V	-55°C ~ 150°C	4-EDIP (0.321", 8.15mm)	Active
DF01	Good-Ark Semiconductor	100 V	1 A	1.1 V @ 500 mA	5 µA @ 100 V	-55°C ~ 150°C	4-EDIP (0.321", 8.15mm)	Active
DF2005-G	Comchip Technology	50 V	2 A	1.1 V @ 2 A	10 µA @ 50 V	-55°C ~ 150°C	4-EDIP (0.321", 8.15mm)	Active
DF06M	onsemi	600 V	1.5 A	1.1 V @ 1 A	5 µA @ 600 V	-55°C ~ 150°C	4-EDIP (0.300", 7.62mm)	Obsolete

Engineering Selection Recommendations

Recommended Direct Substitutes (Active Status):

DB101 (SMC Diode Solutions) — Preferred primary substitute. Identical electrical specifications to DB101-BP with active product status. Maintains 4-EDIP (0.321", 8.15mm) package compatibility. Lower reverse leakage current (5 µA vs. 10 µA) provides superior performance margin. ROHS3 compliant.
DF005-G (Comchip Technology) — Direct parametric equivalent with active status. Identical voltage, current, and temperature ratings. Maintains 4-EDIP (0.321", 8.15mm) package. ROHS3 compliant. Suitable for direct replacement in existing designs.
DF005M (Fairchild Semiconductor) — Parametric equivalent with extended lower operating temperature limit (-65°C vs. -55°C). Slightly smaller package footprint (0.300" vs. 0.321"). Active status. ROHS3 compliant. Acceptable where thermal performance margin is beneficial.

Functional Alternatives (Higher Ratings):

DF2005-G (Comchip Technology) — Rated for 2A average rectified current (vs. 1A). Maintains 50V voltage rating and 4-EDIP (0.321", 8.15mm) package. Active status. Suitable for applications requiring higher current capacity within the same voltage class.
DF01 (Good-Ark Semiconductor) — Rated for 100V peak reverse voltage (vs. 50V). Maintains 1A current rating and 4-EDIP (0.321", 8.15mm) package. Active status. Applicable where higher voltage margin is required.

Not Recommended:

DF06M (onsemi) — Obsolete product status. Although specifications exceed DB101-BP requirements, obsolete classification limits long-term supply viability.

Frequently Asked Questions (FAQ)

Q: Can DF005M replace DB101-BP directly in my circuit?

A: Yes. DF005M meets all primary substitution criteria: single-phase bridge rectifier, 50V rating, 1A current capacity, through-hole mounting, and active product status. The slightly smaller package footprint (0.300" vs. 0.321") requires verification of PCB layout compatibility, but electrical performance is equivalent.

Q: What is the difference between DB101 and DB101-BP?

A: Both are single-phase bridge rectifiers rated 50V/1A with identical electrical specifications. DB101-BP is the Micro Commercial Co variant (not for new designs), while DB101 is the SMC Diode Solutions variant (active status). DB101 is the recommended substitute.

Q: Can I use DF2005-G as a substitute for DB101-BP?

A: Yes, with design consideration. DF2005-G is rated for 2A average rectified current versus 1A for DB101-BP. This higher current rating is a superset of the original specification and maintains the 50V voltage class and 4-EDIP package. Use is appropriate where higher current capacity provides design margin or future-proofing.

Q: Why is DF01 listed as a substitute if it has a 100V rating?

A: DF01 exceeds the voltage specification (100V vs. 50V) while maintaining the 1A current rating and 4-EDIP package form factor. Higher voltage ratings are acceptable substitutes in applications where the original 50V specification is not a limiting constraint. This part is suitable for designs requiring additional voltage margin.

Q: What packaging differences exist among these substitutes?

A: Most substitutes use 4-EDIP (0.321", 8.15mm) package, identical to DB101-BP. DF005M and DF06M use 4-EDIP (0.300", 7.62mm), a slightly smaller variant. Both 4-EDIP packages are through-hole mounted and mechanically compatible with standard PCB layouts, though the 0.300" variant has tighter lead spacing.

Q: Are all recommended substitutes RoHS3 compliant?

A: Yes. DB101, DF005-G, DF005M, DF2005-G, and DF01 are all ROHS3 compliant, meeting environmental and regulatory requirements equivalent to the original DB101-BP.

Q: What is the operating temperature range difference between DB101-BP and DF005M?

A: DB101-BP operates -55°C to 150°C; DF005M operates -65°C to 150°C. DF005M provides 10°C additional margin at the lower temperature extreme, beneficial for applications in cold environments or with stringent thermal specifications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message