MMBD4448HTW-7 Equivalent & Substitute Parts

Part Overview

The MMBD4448HTW-7 is a diode array containing three independent general-purpose rectifier diodes rated for 80 V DC reverse voltage and 250 mA average rectified current per diode. The device is packaged in a 6-TSSOP (SC-88, SOT-363) surface mount configuration and features fast recovery characteristics with a 4 ns reverse recovery time.

The MMBD4448HTW-7 is currently discontinued at DiGi Electronics. Equivalent substitute parts are available to maintain design continuity and ensure uninterrupted component procurement for applications requiring this diode array specification.

Substiute Parts

MMBD4448HTW-7

Diodes IncorporatedIn Stock: 1259MMBD4448HTW-7 Datasheet

Current PartRFQ

MMBD4448HTW-7-F

Diodes IncorporatedIn Stock: 155429MMBD4448HTW-7-F Datasheet

Parametric EquivalentRFQ

MMBD4448HTW-TP

Micro Commercial CoIn Stock: 1041MMBD4448HTW-TP Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the MMBD4448HTW-7 are qualified based on electrical and mechanical parameter equivalence. The following parameters must match or remain within the specified tolerances for a part to function as a direct substitute:

• Diode configuration: 3 independent diodes
• Voltage rating: 80 V DC reverse maximum
• Current rating: 250 mA average rectified per diode
• Forward voltage: 1.25 V maximum at 150 mA
• Recovery speed: Fast recovery classification with 4 ns reverse recovery time
• Reverse leakage: 100 nA at 70 V
• Operating temperature range: -65°C to 150°C junction temperature
• Package type: 6-TSSOP, SC-88, SOT-363 surface mount
• Moisture sensitivity: MSL 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical requirements and are compatible with applications designed for the MMBD4448HTW-7.

Parameter Comparison

Engineering Selection Recommendations

MMBD4448HTW-7-F (Diodes Incorporated)

The MMBD4448HTW-7-F is the primary substitute for the discontinued MMBD4448HTW-7. This part is manufactured by the same supplier (Diodes Incorporated) and maintains identical electrical specifications. The MMBD4448HTW-7-F is currently in active production status with substantial inventory availability (155,400 units). This part is ROHS3 compliant, addressing regulatory requirements that the original part does not meet. The packaging format is Tape & Reel (TR), suitable for automated assembly processes.

MMBD4448HTW-TP (Micro Commercial Co)

The MMBD4448HTW-TP is an alternative substitute manufactured by Micro Commercial Co. This part meets all electrical parameter requirements and is ROHS3 compliant. The operating temperature maximum is specified as 150°C rather than a range, which remains within the upper limit of the original part's -65°C to 150°C specification. The MMBD4448HTW-TP is in active production status with 1,017 units in stock. This part is also supplied in Tape & Reel (TR) packaging format.

Both substitute parts are electrically and mechanically equivalent to the MMBD4448HTW-7 and are suitable for direct replacement in applications requiring a 3-independent diode array with 80 V, 250 mA ratings in SOT-363 surface mount packaging.

Frequently Asked Questions (FAQ)

Q: Can the MMBD4448HTW-7-F be used as a direct replacement for the MMBD4448HTW-7?

A: Yes. The MMBD4448HTW-7-F is electrically and mechanically equivalent to the MMBD4448HTW-7. Both parts share identical diode configuration, voltage ratings, current ratings, forward voltage characteristics, recovery time specifications, and operating temperature range. The primary difference is product status (active versus discontinued) and RoHS compliance (ROHS3 versus non-compliant).

Q: What is the difference between the MMBD4448HTW-7-F and MMBD4448HTW-TP?

A: Both parts are electrically equivalent with identical voltage, current, and recovery time specifications. The MMBD4448HTW-7-F is manufactured by Diodes Incorporated, while the MMBD4448HTW-TP is manufactured by Micro Commercial Co. The operating temperature specification for the MMBD4448HTW-TP is listed as a maximum of 150°C rather than a range, but this remains compatible with the original part's upper temperature limit. Both are ROHS3 compliant and supplied in Tape & Reel packaging.

Q: Are there packaging differences between these substitute parts?

A: The original MMBD4448HTW-7 is supplied in bulk packaging. Both substitute parts (MMBD4448HTW-7-F and MMBD4448HTW-TP) are supplied in Tape & Reel (TR) format, which is standard for automated assembly operations. The physical package type (6-TSSOP, SC-88, SOT-363) remains identical across all three parts.

Q: Does the RoHS compliance status affect substitution?

A: The MMBD4448HTW-7 is RoHS non-compliant, while both substitute parts are ROHS3 compliant. For applications subject to RoHS regulations or customer requirements, the substitute parts provide compliance. For applications without such requirements, the RoHS status does not affect electrical or mechanical compatibility.

Q: What is the reverse recovery time specification, and why is it important?

A: The reverse recovery time (trr) is 4 ns for all three parts. This specification indicates how quickly the diode transitions from conducting to blocking state. The fast recovery classification (≤ 500ns for currents > 200mA) is maintained across all parts, ensuring equivalent switching performance in rectification and protection applications.

Q: Are the moisture sensitivity levels the same across all parts?

A: Yes. All three parts have Moisture Sensitivity Level (MSL) 1, which indicates unlimited moisture sensitivity. This means the parts do not require special moisture control during storage or handling, simplifying inventory management and assembly processes.