MMBD1204_D87Z Equivalent & Substitute Parts

Part Overview

The MMBD1204_D87Z is a general-purpose diode array manufactured by onsemi, configured as a 1 Pair Common Cathode design rated for 100 V DC reverse voltage and 200 mA average rectified current per diode. The component is housed in a Surface Mount TO-236-3 (SC-59, SOT-23-3) package. This part is classified as Obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. Active alternatives with identical or comparable electrical and mechanical specifications are available from multiple manufacturers.

Substiute Parts

MMBD1204_D87Z

onsemiIn Stock: 1134MMBD1204_D87Z Datasheet

Current PartRFQ

MMBD1204

onsemiIn Stock: 59284MMBD1204 Datasheet

Parametric EquivalentRFQ

MMBD4148CC

EVVO SemiIn Stock: 305113MMBD4148CC Datasheet

Parametric EquivalentRFQ

PMBD6100,215

Nexperia USA Inc.In Stock: 39321PMBD6100,215 Datasheet

SimilarRFQ

PMBD7100,215

Nexperia USA Inc.In Stock: 4345PMBD7100,215 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MMBD1204_D87Z is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Diode Configuration: 1 Pair Common Cathode (mandatory match)
• Voltage - DC Reverse (Vr) (Max): 100 V minimum
• Current - Average Rectified (Io) (per Diode): 200 mA minimum
• Package / Case: TO-236-3, SC-59, SOT-23-3 (mandatory match)
• Mounting Type: Surface Mount (mandatory match)

Parametric Equivalent Classification: Parts meeting all primary criteria with identical electrical specifications are classified as parametric equivalents. These components are direct functional replacements with no circuit redesign required.

Similar Part Classification: Parts meeting the primary mechanical and configuration criteria but with variations in voltage rating or current capacity are classified as similar parts. These components require circuit-level evaluation to confirm suitability for the specific application.

Parameter Comparison

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

The MMBD1204 (onsemi, Active status) is a parametric equivalent to the MMBD1204_D87Z. This component maintains identical electrical specifications across all critical parameters: 100 V reverse voltage, 200 mA average rectified current, 1 V forward voltage at 200 mA, and 4 ns reverse recovery time. The part is currently in Active product status with substantial inventory availability (59,200 pcs). This component is RoHS3 Compliant and REACH Unaffected, meeting current regulatory requirements. The MMBD1204 is the primary recommended replacement for the obsolete MMBD1204_D87Z.

Parametric Equivalent (Alternative Manufacturer):

The MMBD4148CC (EVVO Semi, Active status) meets all primary substitution criteria with identical reverse voltage (100 V), current rating (200 mA), and package specifications. Forward voltage is specified at a lower test current (10 mA versus 200 mA), and reverse leakage current is higher (5 µA @ 75 V versus 50 nA @ 50 V). This component is RoHS3 Compliant with high inventory availability (305,100 pcs). Circuit-level verification of leakage current performance is required for applications with stringent leakage specifications.

Similar Parts (Voltage or Current Derating):

The PMBD6100,215 (Nexperia USA Inc., Active status) provides 70 V reverse voltage and 215 mA current capacity. This component is suitable for applications where the 100 V rating is not required and where the higher current capacity provides design margin. The PMBD7100,215 (Nexperia USA Inc., Active status) maintains the 100 V reverse voltage rating with increased current capacity (215 mA) and is suitable for applications requiring higher current handling. Both Nexperia components are RoHS3 Compliant and REACH Unaffected.

Frequently Asked Questions (FAQ)

Q: Can the MMBD1204 directly replace the MMBD1204_D87Z without circuit modification?

A: Yes. The MMBD1204 is a parametric equivalent with identical electrical specifications and package configuration. No circuit redesign is required for direct substitution.

Q: What is the difference between the MMBD1204 and MMBD4148CC?

A: Both components share identical reverse voltage (100 V), current rating (200 mA), and package specifications. The MMBD4148CC has higher reverse leakage current (5 µA @ 75 V compared to 50 nA @ 50 V). Applications sensitive to leakage current should verify MMBD4148CC performance against circuit requirements.

Q: Can the PMBD6100,215 be used as a substitute?

A: The PMBD6100,215 is a similar part with reduced reverse voltage rating (70 V versus 100 V). Substitution is permissible only in applications where the circuit operates below 70 V. The higher current capacity (215 mA) provides additional design margin. Circuit-level voltage analysis is required before substitution.

Q: Can the PMBD7100,215 be used as a substitute?

A: Yes, the PMBD7100,215 maintains the 100 V reverse voltage rating and provides increased current capacity (215 mA). Forward voltage is higher (1.25 V @ 150 mA versus 1 V @ 200 mA), and reverse leakage is higher (2.5 µA @ 100 V). Applications with tight forward voltage or leakage specifications should verify performance against circuit requirements.

Q: Are all substitute parts available in the same package?

A: Yes. All listed substitute parts are housed in the TO-236-3 (SC-59, SOT-23-3) Surface Mount package, ensuring mechanical and footprint compatibility.

Q: What is the product status significance?

A: The MMBD1204_D87Z is classified as Obsolete, indicating discontinued manufacturing and limited availability. The MMBD1204, MMBD4148CC, PMBD6100,215, and PMBD7100,215 are all Active products with current manufacturing and established supply chains.

Q: Are all substitute parts RoHS compliant?

A: Yes. The MMBD1204, MMBD4148CC, PMBD6100,215, and PMBD7100,215 are all RoHS3 Compliant, meeting current environmental and regulatory requirements.