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BF909;BF909R
General description
Enhancement type field-effect transistor in a plastic microminiature SOT143 or SOT143R package. The transistor consists of an amplifier MOS-FET with source and substrate interconnected and an internal bias circuit to ensure good cross-modulation performance during AGC.
CAUTION
The device is supplied in an antistatic package. The
gate-source input must be protected against static
discharge during transport or handling.
Features
- Specially designed for use at 5 V supply voltage
- High forward transfer admittance
- Short channel transistor with high forward transfer admittance to input capacitance ratio
- Low noise gain controlled amplifier up to 1 GHz
- Superior cross-modulation performance during AGC.
Products/packages
| Type number | North American Type number | Ordering code (12NC) | Product status | Package | Packing | Marking | Chemical content | Leadfree conversion date |
|---|---|---|---|---|---|---|---|---|
| BF909 | BF909 T/R | 9340 288 50215 | Volume production | SOT143B | Tape reel smd | Standard Marking | BF909
| week 47, 2002 |
| BF909 | 9340 288 50235 | Volume production | SOT143B | Tape reel smd | Standard Marking | BF909
| week 47, 2002 | |
| BF909R | 9340 288 60215 | Volume production | SOT143R
(SC-61B) | Tape reel smd | Standard Marking | BF909R
| week 47, 2002 | |
| BF909R | 9340 288 60235 | Volume production | SOT143R
(SC-61B) | Tape reel smd | Standard Marking | BF909R
| week 47, 2002 |
Pricing/ordering/availability
| Type number | Ordering code(12NC) | Indicative price/unit($) | Region | Distributor | In stock | Inventory date | Buy online | Samples |
|---|---|---|---|---|---|---|---|---|
| BF909 | 9340 288 50215 | 0.1800 | Order samples | |||||
| BF909 | 9340 288 50235 | not available | ||||||
| BF909R | 9340 288 60215 | Order samples | ||||||
| BF909R | 9340 288 60235 | not available |
Applications
- VHF and UHF applications with 3 to 7 V supply voltage such as television tuners and professional communications equipment.
Related applications
LCD TV - MMS functionality
Set-top box - MMS functionality
Parametrics/similar products
| Type number | Package | REMARKS | VDS(V) | ID(mA) | NOISE FIGURE MAX(dB) | –V(P)GS MAX(V) | YFS MIN(mS) | CIS TYP(pF) | IDSS MIN.(mA) | Note | IDSS MIN - MAX(mA) | COS TYP(pF) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BF909 | SOT143B
| VHF and UHF | 7 | 40 | 2@800MHz | 1 | 36 | 3.6 | 2.3 | Partly internal bias | 12 to 20 | 2.3 |
| BF909R | SOT143R
(SC-61B) | VHF and UHF | 7 | 40 | 2@800MHz | 1 | 36 | 3.6 | 2.3 | Partly internal bias | 12 to 20 | 2.3 |
Similar products
BF909;BF909R links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.
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