N-channel junction FETs Rev. September 2004 Product data sheet
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Top Searches for this datasheet
BF861A; BF861B; BF861C
N-channel junction FETs
Rev. September 2004 Product data sheet
General description
N-channel symmetrical junction field effect transistors SOT23 package.
CAUTION device supplied antistatic package. gate-source input must protected against static discharge during transport handling.
MSC895
Features
High transfer admittance feedback capacitance input capacitance noise.
Applications
Preamplifiers tuners radios.
Quick reference data
Table Symbol IDSS Quick reference data Parameter drain-source voltage (DC) drain current BF861A BF861B BF861C Ptot forward transfer admittance; BF861A BF861B BF861C Ciss Crss input capacitance reverse transfer capacitance Conditions Unit
total power dissipation Tamb
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Pinning information
Table Discrete pinning Description source drain gate
Simplified outline
Symbol
sym053
SOT23
Ordering information
Table Type number BF861A BF861B BF861C Ordering information Package Name Description plastic surface mounted package; leads plastic surface mounted package; leads plastic surface mounted package; leads Version SOT23 SOT23 SOT23
Marking
Table BF861A BF861B BF861C
Made Hong Kong. Made Malaysia. Made China.
Marking codes Marking code
Type number
Limiting values
Table Limiting values accordance with Absolute Maximum Rating System (IEC 60134). Symbol VGSO VDGO Parameter drain-source voltage (DC) gate-source voltage drain-gate voltage (DC) forward gate current (DC) open drain open source Conditions Unit
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Table Limiting values .continued accordance with Absolute Maximum Rating System (IEC 60134). Symbol Ptot Tstg Parameter total power dissipation storage temperature operating junction temperature
Device mounted printed-circuit board.
Conditions Tamb
+150
Unit
Ptot (mW)
mrc166
Tamb (°C)
Power derating curve.
Thermal characteristics
Table Symbol Rth(j-a)
Thermal characteristics Parameter thermal resistance from junction ambient Conditions
Unit
Device mounted printed-circuit board.
Characteristics
Table Characteristics unless otherwise specified. Symbol V(BR)GSS Parameter gate-source breakdown voltage Conditions Unit
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Table Characteristics .continued unless otherwise specified. Symbol VGSoff Parameter gate-source cut-off voltage BF861A BF861B BF861C VGSS IDSS gate-source forward voltage drain current BF861A BF861B BF861C IGSS gate cut-off current forward transfer admittance BF861A BF861B BF861C common source output conductance BF861A BF861B BF861C Ciss Crss Vn/B input capacitance reverse transfer capacitance nV/Hz -0.2 -0.5 -0.8 -1.5 Conditions Unit
equivalent input noise voltage
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
IDSS (mA)
mbd461
(µS)
mbd462
-0.5
-1.5 VGSoff
IDSS (mA)
Drain current function gate-source cut-off voltage; typical values.
(mS)
mbd463
Common-source output conductance function drain current; typical values.
mbd464
|yfs (mS)
BF861C BF861B
BF861A
IDSS (mA)
(mA)
Forward transfer admittance function drain current; typical values.
Forward transfer admittance function drain current; typical values.
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
(mA)
mbd465
(mA)
mbd466
-0.8
-0.6
-0.4
-0.2
-100 -200 -300
Typical input characteristics; BF861A.
(mA)
mbd467
Typical output characteristics: BF861A.
(mA)
mbd468
-0.8
-0.6
-0.4
-0.2
-100 -200 -300 -400 -500
Typical input characteristics; BF861B.
Typical output characteristics; BF861B.
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
(mA)
mbd469
(mA)
mbd470
-2.5
-1.5
-0.5
-200 -400 -600 -800
Typical input characteristics; BF861C.
mbd471
Typical output characteristics; BF861C.
-102
mbd472
Cis, (pF)
(nA)
-10-1 -10-2 -10-3 -10-4 -10-5
MHz.
IGSS.
Input reverse transfer capacitance functions gate-source voltage; typical values.
9397 13395
Gate current function drain-gate voltage; typical values.
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
(nV/Hz)
mbd473
(mS)
mbd474
10-2
10-1
(kHz)
10-1
(MHz)
Tamb
Equivalent input noise function frequency; typical values.
grs, (mS)
mbd475
Common-source input admittance; typical values.
mbd476
(mS)
10-1
10-2
(MHz)
(MHz)
Tamb
Tamb
Common-source reverse admittance; typical values.
Common-source forward transfer admittance; typical values.
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
(mS)
mbd477
10-1
(MHz)
Tamb
Common-source output admittance; typical values.
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Package outline
Plastic surface mounted package; leads SOT23
detail
scale
DIMENSIONS original dimensions) UNIT max. 0.48 0.38 0.15 0.09 0.95 0.45 0.15 0.55 0.45
OUTLINE VERSION SOT23
REFERENCES JEDEC TO-236AB EIAJ
EUROPEAN PROJECTION
ISSUE DATE 97-02-28 99-09-13
Package outline
9397 13395 Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Revision history
Table Revision history Release date Data sheet status Product data sheet Change notice Order number 9397 13395 Supersedes BF861_3 Document
BF861A_BF861B_BF861C_4 20040924 Modifications: BF861_3 BF861_2 BF861_1
Converted document format. Marking code changed added Table Product specification 9397 02667 BF861_2 BF861_1
19970904 19950414 19940829
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Data sheet status
Level Data sheet status Objective data Preliminary data Product status Development Qualification Definition This data sheet contains data from objective specification product development. Philips Semiconductors reserves right change specification manner without notice. This data sheet contains data from preliminary specification. Supplementary data will published later date. Philips Semiconductors reserves right change specification without notice, order improve design supply best possible product. This data sheet contains data from product specification. Philips Semiconductors reserves right make changes time order improve design, manufacturing supply. Relevant changes will communicated Customer Product/Process Change Notification (CPCN).
Product data
Production
Please consult most recently issued data sheet before initiating completing design. product status device(s) described this data sheet have changed since this data sheet published. latest information available Internet data sheets describing multiple type numbers, highest-level product status determines data sheet status.
Definitions
Short-form specification data short-form specification extracted from full data sheet with same type number title. detailed information relevant data sheet data handbook. Limiting values definition Limiting values given accordance with Absolute Maximum Rating System (IEC 60134). Stress above more limiting values cause permanent damage device. These stress ratings only operation device these other conditions above those given Characteristics sections specification implied. Exposure limiting values extended periods affect device reliability. Application information Applications that described herein these products illustrative purposes only. Philips Semiconductors make representation warranty that such applications will suitable specified without further testing modification.
Disclaimers
Life support These products designed life support appliances, devices, systems where malfunction these products reasonably expected result personal injury. Philips Semiconductors customers using selling these products such applications their risk agree fully indemnify Philips Semiconductors damages resulting from such application. Right make changes Philips Semiconductors reserves right make changes products including circuits, standard cells, and/or software described contained herein order improve design and/or performance. When product full production (status `Production'), relevant changes will communicated Customer Product/Process Change Notification (CPCN). Philips Semiconductors assumes responsibility liability these products, conveys license title under patent, copyright, mask work right these products, makes representations warranties that these products free from patent, copyright, mask work right infringement, unless otherwise specified.
Contact information
additional information, please visit: sales office addresses, send email
9397 13395
Koninklijke Philips Electronics N.V. 2004. rights reserved.
Product data sheet
Rev. September 2004
Philips Semiconductors
BF861A; BF861B; BF861C
N-channel junction FETs
Contents
Product profile General description. Features Applications Quick reference data. Pinning information Ordering information Marking Limiting values. Thermal characteristics. Characteristics Package outline Revision history Data sheet status Definitions Disclaimers Contact information
Koninklijke Philips Electronics N.V. 2004
rights reserved. Reproduction whole part prohibited without prior written consent copyright owner. information presented this document does form part quotation contract, believed accurate reliable changed without notice. liability will accepted publisher consequence use. Publication thereof does convey imply license under patent- other industrial intellectual property rights. Date release: September 2004 Document order number: 9397 13395
Published Netherlands
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