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BF861B

NXP
Part Number BF861B
Manufacturer NXP
Description N-channel junction FETs
Published Mar 23, 2005
Detailed Description SOT23 BF861A; BF861B; BF861C N-channel junction FETs Rev. 5 — 15 September 2011 Product data sheet 1. Product profil...
Datasheet PDF File BF861B PDF File

BF861B
BF861B

Overview
SOT23 BF861A; BF861B; BF861C N-channel junction FETs Rev.
5 — 15 September 2011 Product data sheet 1.
Product profile CAUTION 1.
1 General description N-channel symmetrical junction field effect transistors in a SOT23 package.
The device is supplied in an antistatic package.
The gate-source input must be protected against static discharge during transport or handling.
MSC895 1.
2 Features and benefits  High transfer admittance  Low feedback capacitance  Low input capacitance  Low noise.
1.
3 Applications  Preamplifiers for AM tuners in car radios.
1.
4 Quick reference data Table 1.
Symbol VDS IDSS Ptot yfs Ciss Crss Quick reference data Parameter Conditions drain-source voltage (DC) drain current BF861A VGS = 0 V; VDS = 8 V BF861B VGS = 0 V; VDS = 8 V BF861C VGS = 0 V; VDS = 8 V total power dissipation up to Tamb = 25 C forward transfer admittance; BF861A BF861B BF861C input capacitance VGS = 0 V; VDS = 8 V VGS = 0 V; VDS = 8 V VGS = 0 V; VDS = 8 V f = 1 MHz reverse transfer capacitance f = 1 MHz Min Typ Max Unit - - 25 V 2 - 6 - 12 - - - 6.
5 mA 15 mA 25 mA 250 mW 12 - 16 - 20 - - - - - 20 mS 25 mS 30 mS 10 pF 2.
7 pF NXP Semiconductors BF861A; BF861B; BF861C N-channel junction FETs 2.
Pinning information Table 2.
Pin 1 2 3 Discrete pinning Description source drain gate Simplified outline Symbol 3 1 2 1 3 2 sym053 3.
Ordering information Table 3.
Type number BF861A BF861B BF861C Ordering information Package Name Description - plastic surface mounted package; 3 leads - plastic surface mounted package; 3 leads - plastic surface mounted package; 3 leads Version SOT23 SOT23 SOT23 4.
Marking Table 4.
Marking codes Type number BF861A BF861B BF861C [1] * = p: Made in Hong Kong.
* = t: Made in Malaysia.
* = W: Made in China.
5.
Limiting values Marking code[1] 28* 29* 30* BF861A_BF861B_BF861C Product data sheet Table 5.
Limiting values In accordance with the Absolute Maximum Ra...


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