Part Details for BF421 by Siemens
Overview of BF421 by Siemens
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (6 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (4 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
Available Datasheets
Part # | Manufacturer | Description | Datasheet |
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0805USBF-421MRC | Coilcraft Inc | Data Line Filter, 2 Function(s), EIA STD PACKAGE SIZE 0805, SMD, 4 PIN | |
0805USBF-421MRB | Coilcraft Inc | Data Line Filter, 2 Function(s), EIA STD PACKAGE SIZE 0805, SMD, 4 PIN | |
0805USBF-421MR | Coilcraft Inc | Common mode choke, USB 2.0/IEEE1394, SMT, RoHS, halogen |
Part Details for BF421
BF421 CAD Models
BF421 Part Data Attributes
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BF421
Siemens
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Datasheet
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BF421
Siemens
Small Signal Bipolar Transistor, 0.05A I(C), 300V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, TO-92, 3 PIN
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Rohs Code | No | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | SIEMENS A G | |
Part Package Code | TO-92 | |
Package Description | TO-92, 3 PIN | |
Pin Count | 3 | |
Reach Compliance Code | unknown | |
ECCN Code | EAR99 | |
Collector Current-Max (IC) | 0.05 A | |
Collector-Emitter Voltage-Max | 300 V | |
Configuration | SINGLE | |
DC Current Gain-Min (hFE) | 50 | |
JEDEC-95 Code | TO-92 | |
JESD-30 Code | O-PBCY-T3 | |
JESD-609 Code | e0 | |
Number of Elements | 1 | |
Number of Terminals | 3 | |
Operating Temperature-Max | 150 °C | |
Package Body Material | PLASTIC/EPOXY | |
Package Shape | ROUND | |
Package Style | CYLINDRICAL | |
Polarity/Channel Type | PNP | |
Power Dissipation-Max (Abs) | 0.8 W | |
Qualification Status | Not Qualified | |
Surface Mount | NO | |
Terminal Finish | Tin/Lead (Sn/Pb) | |
Terminal Form | THROUGH-HOLE | |
Terminal Position | BOTTOM | |
Transistor Element Material | SILICON | |
Transition Frequency-Nom (fT) | 100 MHz | |
VCEsat-Max | 20 V |
Alternate Parts for BF421
This table gives cross-reference parts and alternative options found for BF421. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BF421, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Description | Manufacturer | Compare |
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BF421 | Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 | Motorola Semiconductor Products | BF421 vs BF421 |
BF421 | Small Signal Bipolar Transistor, 1-Element, PNP, Silicon, TO-92 | TDK Micronas GmbH | BF421 vs BF421 |
BF421 | Small Signal Bipolar Transistor, 0.5A I(C), 1-Element, PNP, Silicon, TO-92, PLASTIC, TO-92, 3 PIN | Continental Device India Ltd | BF421 vs BF421 |
BF421-T/R | TRANSISTOR 50 mA, 300 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal | NXP Semiconductors | BF421 vs BF421-T/R |
BF421 | Small Signal Bipolar Transistor, 0.2A I(C), 300V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, | Micro Electronics Corporation | BF421 vs BF421 |
BF421,112 | TRANSISTOR 50 mA, 300 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92, PLASTIC, SC-43A, 3 PIN, BIP General Purpose Small Signal | NXP Semiconductors | BF421 vs BF421,112 |