MMBD914 Equivalent & Substitute Parts

Part Overview

The MMBD914 is a general-purpose rectifier diode manufactured by onsemi, rated for 100 V DC reverse voltage and 200 mA average rectified current in a surface-mount SOT-23-3 package. This diode is classified as obsolete, which necessitates identification of active equivalent and substitute components for new designs and production continuity. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives with variations in specific parameters within acceptable operating ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	200	mA
Voltage - Forward (Vf) (Max) @ If	1 V @ 10 mA	V @ mA
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	5	µA @ 75 V
Capacitance @ Vr, F	4	pF @ 0V, 1MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction (Max)	150	°C
Technology	Standard	—
Speed Classification	Small Signal ≤ 200mA (Io), Any Speed	—

Substitute Part Grouping Explanation

Substitution of the MMBD914 is determined by the following critical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) must equal or exceed 100 V
Current - Average Rectified (Io) must equal or exceed 200 mA
Voltage - Forward (Vf) characteristics must be compatible with circuit design
Reverse Recovery Time (trr) must be 4 ns or faster
Reverse Leakage Current must not exceed specified limits for the application

Mechanical Compatibility Criteria:

Package / Case must be TO-236-3, SC-59, or SOT-23-3
Mounting Type must be Surface Mount
Operating Temperature range must support -55°C to 150°C junction temperature or higher

Regulatory & Compliance Criteria:

RoHS3 Compliance status (preferred for new designs)
REACH Unaffected status
Moisture Sensitivity Level (MSL) of 1 (Unlimited)

Substitute parts are grouped into three categories: direct equivalents from onsemi with identical specifications, cross-manufacturer equivalents with identical specifications, and parametric alternatives with acceptable variations in voltage, current, or leakage characteristics.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [V @ mA]	trr [ns]	Ir @ Vr [µA @ V]	C @ Vr [pF @ MHz]	Package	Product Status	RoHS3
MMBD914	onsemi	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Obsolete	—
MMBD914LT1G	onsemi	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Active	Yes
MMBD914LT3G	onsemi	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Active	Yes
SMMBD914LT1G	onsemi	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Active	Yes
SMMBD914LT3G	onsemi	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Active	Yes
MMBD1201	onsemi	100	200	1 @ 200	4	50 nA @ 50	2 @ 1	SOT-23-3	Active	Yes
MMBD914-7-F	Diodes Incorporated	75	300	1.25 @ 150	4	1 @ 75	2 @ 1	SOT-23-3	Active	Yes
MMBD914-E3-08	Vishay General Semiconductor - Diodes Division	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Active	Yes
MMBD914-TP	Micro Commercial Co	75	150	855 mV @ 10	4	25 nA @ 20	2 @ 1	SOT-23-3	Active	Yes
MMBD914_R1_00001	Panjit International Inc.	100	200	1 @ 10	4	5 @ 75	4 @ 1	SOT-23-3	Active	Yes
PMBD6050,215	NXP Semiconductors	70	215	1.25 @ 150	4	100 nA @ 50	1.5 @ 1	SOT-23-3	Active	—

Engineering Selection Recommendations

Direct Equivalents (Identical Electrical & Mechanical Specifications):

The following parts are direct equivalents to the MMBD914 and provide identical performance characteristics:

MMBD914LT1G (onsemi): Active product status, RoHS3 compliant, Cut Tape & Digi-Reel packaging. Recommended for new designs requiring onsemi sourcing with standard packaging.
MMBD914LT3G (onsemi): Active product status, RoHS3 compliant, Tape & Reel packaging. Recommended for high-volume production requiring reel packaging.
SMMBD914LT1G (onsemi): Active product status, RoHS3 compliant, Tape & Reel packaging. Functionally equivalent with alternative onsemi product line designation.
SMMBD914LT3G (onsemi): Active product status, RoHS3 compliant, Tape & Reel packaging. Functionally equivalent with alternative onsemi product line designation.
MMBD914-E3-08 (Vishay General Semiconductor - Diodes Division): Active product status, RoHS3 compliant. Cross-manufacturer equivalent with identical specifications.
MMBD914_R1_00001 (Panjit International Inc.): Active product status, RoHS3 compliant. Cross-manufacturer equivalent with identical specifications.

Parametric Equivalents (Acceptable Variations):

MMBD1201 (onsemi): Active product status, RoHS3 compliant. Meets voltage and current requirements with improved reverse leakage characteristics (50 nA vs. 5 µA) and reduced capacitance (2 pF vs. 4 pF). Forward voltage specified at 200 mA instead of 10 mA. Suitable for applications requiring lower leakage performance.

Partial Substitutes (Parameter Deviations):

MMBD914-7-F (Diodes Incorporated): Active product status, RoHS3 compliant. Reduced reverse voltage rating (75 V vs. 100 V) with increased current capability (300 mA vs. 200 mA). Suitable only for applications with maximum reverse voltage ≤ 75 V.
MMBD914-TP (Micro Commercial Co): Active product status, RoHS3 compliant. Reduced reverse voltage (75 V) and current (150 mA) ratings. Suitable only for applications with reduced voltage and current requirements.
PMBD6050,215 (NXP Semiconductors): Active product status. Reduced reverse voltage (70 V) with slightly increased current (215 mA). Lower capacitance (1.5 pF). Compliance status differs from primary recommendation.

Selection Priority:

For direct replacement in existing designs, select MMBD914LT1G or MMBD914LT3G from onsemi. For cross-manufacturer sourcing with identical specifications, select MMBD914-E3-08 or MMBD914_R1_00001. For applications requiring improved leakage performance, select MMBD1201. Partial substitutes are acceptable only when circuit design parameters explicitly permit reduced voltage or current ratings.

Frequently Asked Questions (FAQ)

Q: Can MMBD914LT1G and MMBD914LT3G be used interchangeably?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format: MMBD914LT1G is supplied in Cut Tape & Digi-Reel format, while MMBD914LT3G is supplied in Tape & Reel format. Selection depends on assembly equipment and production volume requirements.

Q: What is the difference between SMMBD914LT1G and MMBD914LT1G?

A: Both parts have identical electrical specifications and package type (SOT-23-3). The "S" prefix in SMMBD914 indicates an alternative onsemi product line designation. Electrical performance and compatibility are equivalent.

Q: Can MMBD914-7-F replace MMBD914 in all applications?

A: No. MMBD914-7-F has a reduced reverse voltage rating of 75 V compared to the MMBD914's 100 V rating. It can only be used in applications where the maximum reverse voltage does not exceed 75 V. Current capability is higher (300 mA vs. 200 mA), which is not a limiting factor.

Q: Is MMBD1201 a suitable replacement for MMBD914?

A: MMBD1201 meets the voltage and current requirements and is electrically compatible. It offers improved reverse leakage characteristics (50 nA vs. 5 µA) and lower capacitance (2 pF vs. 4 pF). It is suitable for applications where these improved characteristics provide design benefits. Forward voltage is specified at a different test current (200 mA vs. 10 mA).

Q: Are all substitute parts RoHS3 compliant?

A: Most substitute parts listed are RoHS3 compliant. PMBD6050,215 does not specify RoHS3 compliance status in the provided data. For applications requiring RoHS3 compliance, select from parts explicitly marked as RoHS3 compliant.

Q: What is the significance of the packaging format (CT, TR, Bulk)?

A: Packaging format affects supply and assembly logistics. Cut Tape (CT) & Digi-Reel format is suitable for lower-volume production and manual assembly. Tape & Reel (TR) format is optimized for high-volume automated assembly. Bulk packaging is used for specific supply chain requirements. Electrical performance is identical across all packaging formats for the same part number.

Q: Can MMBD914-TP be used as a direct replacement?

A: No. MMBD914-TP has reduced ratings in both reverse voltage (75 V vs. 100 V) and average rectified current (150 mA vs. 200 mA). It can only be used in applications with lower voltage and current requirements than the original MMBD914 design.

Q: What does "Obsolete" product status mean for MMBD914?

A: Obsolete status indicates that onsemi has discontinued manufacturing the MMBD914. Active equivalent parts (MMBD914LT1G, MMBD914LT3G, SMMBD914LT1G, SMMBD914LT3G) are the recommended replacements for new designs and production continuity. Existing inventory of MMBD914 may still be available from distributors.

Q: Are cross-manufacturer parts (Vishay, Panjit, Diodes Inc.) suitable for critical applications?

A: Cross-manufacturer equivalents with identical specifications (MMBD914-E3-08, MMBD914_R1_00001) are functionally equivalent and suitable for applications where component sourcing flexibility is required. Qualification and testing procedures should follow standard engineering practices for cross-manufacturer substitution.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture control during storage or handling. This is the least restrictive moisture sensitivity classification and simplifies supply chain management.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message