DCD010-TB-E Equivalent & Substitute Parts

Part Overview

The DCD010-TB-E is a general-purpose diode array manufactured by onsemi, configured as a 1 pair series connection with a maximum reverse voltage rating of 20 V and average rectified current of 100 mA per diode. The device is packaged in a surface mount TO-236-3 (SC-59, SOT-23-3) configuration. The DCD010-TB-E is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max)	20 V
Current - Average Rectified (Io) (per Diode)	100 mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 10 mA
Current - Reverse Leakage @ Vr	100 nA @ 15 V
Speed Classification	Small Signal ≤ 200mA (Io), Any Speed
Operating Temperature - Junction (Max)	125°C
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Supplier Device Package	3-CP
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute parts for the DCD010-TB-E are identified based on electrical and mechanical compatibility within the allowed parameters for general-purpose diode arrays. Substitution is determined by the following criteria:

Electrical Compatibility Requirements:

Diode configuration must match: 1 pair series connection
Reverse voltage rating (Vr) must equal or exceed 20 V
Average rectified current (Io) must equal or exceed 100 mA per diode
Forward voltage (Vf) characteristics must be compatible with circuit operation
Reverse leakage current must not exceed specified limits for the application
Speed classification must support the intended circuit function

Mechanical Compatibility Requirements:

Package type must be TO-236-3, SC-59, or SOT-23-3 (identical footprint)
Surface mount mounting type required
Moisture sensitivity level must be acceptable for storage and handling

Compliance and Availability:

Product status and inventory availability are considered for production continuity
RoHS and REACH compliance status are documented for regulatory adherence

Two substitute parts meet these criteria: BAV199LT1G (higher performance variant) and DA204KT146 (parametric equivalent).

Parameter Comparison

Parameter	DCD010-TB-E	BAV199LT1G	DA204KT146
Manufacturer	onsemi	onsemi	Rohm Semiconductor
Diode Configuration	1 Pair Series Connection	1 Pair Series Connection	1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max)	20 V	70 V	20 V
Current - Average Rectified (Io) (per Diode)	100 mA	215 mA (DC)	100 mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 10 mA	1.25 V @ 150 mA	1 V @ 10 mA
Speed Classification	Small Signal ≤ 200mA (Io), Any Speed	Standard Recovery >500ns, > 200mA (Io)	Small Signal ≤ 200mA (Io), Any Speed
Current - Reverse Leakage @ Vr	100 nA @ 15 V	5 nA @ 70 V	100 nA @ 15 V
Operating Temperature - Junction (Max)	125°C	150°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
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
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

DA204KT146 (Rohm Semiconductor) is the parametric equivalent substitute for the DCD010-TB-E. This part maintains identical electrical specifications: 20 V reverse voltage rating, 100 mA average rectified current per diode, 1 V forward voltage at 10 mA, and 100 nA reverse leakage current at 15 V. The DA204KT146 is packaged identically in TO-236-3 (SOT-23-3) surface mount configuration and is ROHS3 compliant. The maximum junction temperature rating is 150°C, exceeding the DCD010-TB-E specification of 125°C. This part is currently in active production status with substantial inventory availability (70,649 pcs), ensuring supply chain continuity.

BAV199LT1G (onsemi) is a higher-performance variant substitute. This part exceeds the electrical requirements of the DCD010-TB-E with a 70 V reverse voltage rating and 215 mA average rectified current per diode, providing design margin for applications requiring enhanced voltage or current handling. The BAV199LT1G is packaged in the same TO-236-3 (SOT-23-3) surface mount configuration and is ROHS3 compliant. The maximum junction temperature rating is 150°C. This part is currently in active production status with extensive inventory availability (605,300 pcs). The BAV199LT1G is suitable for applications where the DCD010-TB-E specifications are insufficient or where design flexibility for future requirements is desired.

Both substitute parts are manufactured by established semiconductor suppliers, comply with current regulatory standards, and are available in active production. Selection between DA204KT146 and BAV199LT1G depends on circuit requirements: DA204KT146 for direct parametric replacement, or BAV199LT1G for enhanced performance specifications.

Frequently Asked Questions (FAQ)

Q: Can the DA204KT146 be used as a direct replacement for the DCD010-TB-E?

A: Yes. The DA204KT146 is a parametric equivalent with identical electrical specifications: 20 V reverse voltage, 100 mA average rectified current per diode, 1 V forward voltage at 10 mA, and 100 nA reverse leakage current. Both parts use the same TO-236-3 (SOT-23-3) surface mount package with identical pinout and footprint. The DA204KT146 is ROHS3 compliant and currently in active production.

Q: What is the difference between the DA204KT146 and BAV199LT1G?

A: The DA204KT146 maintains the exact electrical specifications of the DCD010-TB-E (20 V, 100 mA). The BAV199LT1G is a higher-performance variant with enhanced ratings: 70 V reverse voltage and 215 mA average rectified current per diode. Both parts share the same TO-236-3 (SOT-23-3) package and surface mount configuration. The BAV199LT1G is suitable for applications requiring higher voltage or current capability.

Q: Are both substitute parts compatible with the existing PCB layout?

A: Yes. Both the DA204KT146 and BAV199LT1G are packaged in TO-236-3 (SC-59, SOT-23-3) surface mount configuration, identical to the DCD010-TB-E. Both parts have the same pinout and footprint, requiring no PCB modifications for substitution.

Q: What is the moisture sensitivity level for the substitute parts?

A: Both substitute parts have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), identical to the DCD010-TB-E. This classification indicates unlimited shelf life under normal storage conditions without special moisture control requirements.

Q: Are the substitute parts RoHS compliant?

A: Yes. Both the DA204KT146 and BAV199LT1G are ROHS3 compliant, meeting current regulatory requirements for hazardous substance restrictions. The DCD010-TB-E RoHS status was not specified in the original documentation.

Q: Which substitute part should be selected for a new design?

A: For applications with specifications matching the DCD010-TB-E (20 V, 100 mA), the DA204KT146 is the appropriate choice as a parametric equivalent. For applications requiring enhanced voltage or current capability, or where design margin is desired, the BAV199LT1G provides higher performance specifications within the same package footprint.

Q: What is the current availability of substitute parts?

A: The DA204KT146 has 70,649 pcs in stock. The BAV199LT1G has 605,300 pcs in stock. Both parts are in active production status, ensuring ongoing supply availability.

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