2002 Feb 04

10

Philips Semiconductors

Product specification

NPN 7 GHz wideband transistor

BFQ591

DATA SHEET STATUS

Notes

1. Please consult the most recently issued data sheet before initiating or completing a design.

2. The product status of the device(s) described in this data sheet may have changed since this data sheet was

published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com.

PRODUCT

DEFINITIONS

Objective data

Development

This data sheet contains data from the objective specification for product

development. Philips Semiconductors reserves the right to change the

specification in any manner without notice.

Preliminary data

Qualification

This data sheet contains data from the preliminary specification.

Supplementary data will be published at a later date. Philips

Semiconductors reserves the right to change the specification without

notice, in order to improve the design and supply the best possible

product.

Product data

Production

This data sheet contains data from the product specification. Philips

Semiconductors reserves the right to make changes at any time in order

to improve the design, manufacturing and supply. Changes will be

communicated according to the Customer Product/Process Change

Notification (CPCN) procedure SNW-SQ-650A.

DEFINITIONS

Short-form specification

 The data in a short-form

specification is extracted from a full data sheet with the

same type number and title. For detailed information see

the relevant data sheet or data handbook.

Limiting values definition

 Limiting values given are in

accordance with the Absolute Maximum Rating System

(IEC 60134). Stress above one or more of the limiting

values may cause permanent damage to the device.

These are stress ratings only and operation of the device

at these or at any other conditions above those given in the

Characteristics sections of the specification is not implied.

Exposure to limiting values for extended periods may

affect device reliability.

Application information

 Applications that are

described herein for any of these products are for

illustrative purposes only. Philips Semiconductors make

no representation or warranty that such applications will be

suitable for the specified use without further testing or

modification.

DISCLAIMERS

Life support applications

 These products are not

designed for use in life support appliances, devices, or

systems where malfunction of these products can

reasonably be expected to result in personal injury. Philips

Semiconductors customers using or selling these products

for use in such applications do so at their own risk and

agree to fully indemnify Philips Semiconductors for any

damages resulting from such application.

Right to make changes

 Philips Semiconductors

reserves the right to make changes, without notice, in the

products, including circuits, standard cells, and/or

software, described or contained herein in order to

improve design and/or performance. Philips

Semiconductors assumes no responsibility or liability for

the use of any of these products, conveys no licence or title

under any patent, copyright, or mask work right to these

products, and makes no representations or warranties that

these products are free from patent, copyright, or mask

work right infringement, unless otherwise specified.