BF904; BF904R

General description

Enhancement type field-effect transistor in a plastic microminiature SOT143B and 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
This product is supplied in anti-static packing to prevent damage caused by electrostatic discharge during transport and handling. For further information, refer to Philips specs.: SNW-EQ-608, SNW-FQ-302A and SNW-FQ-302B.

Features

• Specially designed for use at 5 V supply voltage
• Short channel transistor with high 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
BF904	BF904 T/R	9340 204 30215	Volume production	SOT143B (SOT4)	Tape reel smd	Standard Marking	BF904	week 47, 2002
BF904		9340 204 30235	Volume production	SOT143B (SOT4)	Tape reel smd	Standard Marking	BF904	week 47, 2002
BF904R	BF904R T/R	9340 204 40215	Volume production	SOT143R (SC-61B)	Tape reel smd	Standard Marking	BF904R	week 47, 2002
BF904R		9340 204 40235	Volume production	SOT143R (SC-61B)	Tape reel smd	Standard Marking	BF904R	week 47, 2002

Pricing/ordering/availability

Type number	Ordering code(12NC)	Indicative price/unit($)	Region	Distributor	In stock	Inventory date	Buy online	Samples
BF904	9340 204  30215	0.1800	NA	AVNET ELECTRONICS MARKETING	3,000	11/21/2008	Buy online	Order samples
BF904	9340 204  30235							not available
BF904R	9340 204  40215	0.1800						Order samples
BF904R	9340 204  40235							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

Technical documents

Application Notes

Support Models

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)
BF904	SOT143B (SOT4)	VHF and UHF	7	30	2@800MHz	1	22	2.2	1.3	Partly internal bias	8 to 13	1.3
BF904R	SOT143R (SC-61B)	VHF and UHF	7	30	2@800MHz	1	22	2.2	1.3	Partly internal bias	8 to 13	1.3

Similar products

BF904; BF904R 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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