Diodes Incorporated MMBTA42-7-F BJTs
TRANS NPN 300V 0.5A SOT23-3
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MMBTA42-7-F
Detailed Description
TRANS NPN 300V 0.5A SOT23-3
Package
SOT23-3
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
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Technical Specifications
Diodes Incorporated MMBTA42-7-F BJTs technical specifications.
General
Series
MMBTA42
RoHS
Yes
Mounting Type
SMD/SMT
Transistor Polarity
NPN
Configuration
Single
Collector Emitter Voltage Vceo Max
300 V
Collector Base Voltage Vcbo
300 V
Emitter Base Voltage Vebo
6 V
Collector Emitter Saturation Voltage
500 mV
Maximum Dc Collector Current
500 mA
Alternate Parts Comparison (MMBTA42-7-F vs MMBTA28-7-F vs DDTA124ECA-7-F vs MMBT2907A-7-F)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| RoHS | Yes | Yes | Yes | Yes |
| Configuration | Single | Single | Single | Single |
| Dc Collector Base Gain Hfe Min | 40 | 10000 | 56 | 75 at 100 uA, 10 V |
| Package | SOT23-3 | SOT23-3 | SOT23-3 | SOT23-3 |
| Transistor Polarity | NPN | NPN | PNP | PNP |
| Series | MMBTA42 | MMBTA28 | DDTA124 | -- |
| Mounting Type | SMD/SMT | SMD/SMT | SMD/SMT | -- |
| Collector Base Voltage Vcbo | 300 V | 80 V | -- | 60 V |
| Collector Emitter Voltage Vceo Max | 300 V | 80 V | -- | 60 V |
| Emitter Base Voltage Vebo | 6 V | 12 V | -- | 5 V |
| Maximum Dc Collector Current | 500 mA | 500 mA | -- | 600 mA |
| Maximum Operating Temperature C | + 150 | + 150 | -- | + 150 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
MMBTA42LT1GonsemiDirectonsemi
Pin YesPkg YesElec Yes
300V NPN BJT Transistor, 500mA, 50MHz, SOT-23
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.