MMBD4448HTS-TP Equivalent & Substitute Parts

Part Overview

The MMBD4448HTS-TP is a general-purpose diode array manufactured by Micro Commercial Co, configured as a 1 Pair Series Connection device rated for 80 V DC reverse voltage and 250 mA average rectified current per diode. This surface mount component in SOT-523 packaging is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across manufacturers, enabling component interchangeability in circuit designs where the MMBD4448HTS-TP may be unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Diode Configuration	1 Pair Series Connection	—
Voltage - DC Reverse (Vr) (Max)	80	V
Current - Average Rectified (Io) (per Diode)	250	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 150 mA	V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	100 nA @ 70 V	—
Operating Temperature - Junction (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	SOT-523	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the MMBD4448HTS-TP are identified based on strict equivalence of the following critical parameters:

Diode Configuration: 1 Pair Series Connection
Voltage - DC Reverse (Vr) (Max): 80 V
Current - Average Rectified (Io) (per Diode): 250 mA
Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 150 mA
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr): 4 ns
Current - Reverse Leakage @ Vr: 100 nA @ 70 V
Mounting Type: Surface Mount
Package / Case: SOT-523
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes. Manufacturer differences do not affect substitution eligibility when all electrical and mechanical specifications are identical.

Parameter Comparison

Parameter	MMBD4448HTS-TP (Micro Commercial Co)	MMBD4448HTS-7-F (Diodes Incorporated)	Match
Diode Configuration	1 Pair Series Connection	1 Pair Series Connection	✓
Voltage - DC Reverse (Vr) (Max)	80 V	80 V	✓
Current - Average Rectified (Io) (per Diode)	250 mA	250 mA	✓
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA	1.25 V @ 150 mA	✓
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	✓
Reverse Recovery Time (trr)	4 ns	4 ns	✓
Current - Reverse Leakage @ Vr	100 nA @ 70 V	100 nA @ 70 V	✓
Operating Temperature - Junction	150°C (Max)	−65°C ~ 150°C	✓
Mounting Type	Surface Mount	Surface Mount	✓
Package / Case	SOT-523	SOT-523	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
ECCN	EAR99	EAR99	✓
HTSUS Code	8541.10.0070	8541.10.0070	✓

Engineering Selection Recommendations

The MMBD4448HTS-7-F manufactured by Diodes Incorporated is a direct parametric equivalent to the MMBD4448HTS-TP. Both components share identical electrical specifications, mechanical packaging, and regulatory compliance status.

Selection Basis:

Both parts maintain Active product status
Both are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity
Both carry REACH Unaffected and EAR99 ECCN classifications
All critical electrical parameters are identical: reverse voltage, forward voltage, current ratings, recovery time, and leakage current
Both utilize SOT-523 surface mount packaging
Operating temperature range of the substitute part (−65°C ~ 150°C) encompasses the maximum junction temperature specification of the primary part (150°C)

Component selection between these two parts may be based on availability, lead time, supplier preference, or inventory management without affecting circuit performance or reliability.

Frequently Asked Questions (FAQ)

Q: Can MMBD4448HTS-7-F be used as a direct replacement for MMBD4448HTS-TP?

A: Yes. The MMBD4448HTS-7-F is a parametric equivalent with identical electrical specifications, forward voltage characteristics, reverse recovery time, and SOT-523 packaging. All critical performance parameters match exactly.

Q: Are there differences in operating temperature ranges between these parts?

A: The MMBD4448HTS-TP specifies a maximum junction temperature of 150°C. The MMBD4448HTS-7-F specifies an operating range of −65°C to 150°C. Both parts operate within the same maximum temperature limit, making them interchangeable for standard applications.

Q: Do both parts have the same moisture sensitivity level?

A: Yes. Both the MMBD4448HTS-TP and MMBD4448HTS-7-F are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are the regulatory compliance statuses identical?

A: Yes. Both parts are RoHS3 compliant, REACH Unaffected, and classified under ECCN EAR99 with the same HTSUS code (8541.10.0070).

Q: What is the significance of the 1 Pair Series Connection configuration?

A: This configuration indicates the diode array contains one pair of diodes connected in series. Both substitute parts maintain this identical configuration, ensuring functional equivalence in circuit applications.

Q: Can these parts be used interchangeably in high-speed switching applications?

A: Yes. Both parts are classified as Fast Recovery diodes with a reverse recovery time (trr) of 4 ns and support fast recovery operation at currents greater than 200 mA, making them suitable for identical switching applications.

Q: Is the SOT-523 package footprint identical between manufacturers?

A: Yes. Both parts use the SOT-523 surface mount package, ensuring identical PCB footprint and assembly compatibility.

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