Product Summary

The bf245a is an N-channel symmetrical junction field-effect transistor in a plastic TO-92 variant package. The application of the bf245a includes LF, HF and DC amplifiers.

Parametrics

bf245a absolute maximum ratings: (1)VDS, drain-source voltage: ±30 V; (2)VGSoff, gate-source cut-off voltage: -0.25 to -8 V; (3)VGSO, gate-source voltage: -30 V; (4)IDSS, drain current: 2 to 6.5 mA; (5)Ptot, total power dissipation: 300 mW; (6)yfs, forward transfer admittance: 3 to 6.5 mS; (7)Crs, reverse transfer capacitance: 1.1 pF.

Features

bf245a features: (1)Interchangeability of drain and source connections; (2)Frequencies up to 700 MHz.

Diagrams

bf245a block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
BF245A
BF245A
Fairchild Semiconductor
JFET N-Channel Transistor
Data Sheet
0-1: $0.64
1-25: $0.59
25-100: $0.54
100-250: $0.41
BF245A,112
BF245A,112
NXP Semiconductors
Transistors RF JFET BULK FET-RFSS
Data Sheet
0-3500: $0.10
3500-6000: $0.09
6000-12000: $0.09
BF245A_D27Z
BF245A_D27Z
Fairchild Semiconductor
JFET N-Channel Transistor
Data Sheet
Negotiable 
BF245A_D75Z
BF245A_D75Z
Fairchild Semiconductor
JFET N-Channel Transistor
Data Sheet
Negotiable 
BF245A_D75Z_Q
BF245A_D75Z_Q
Fairchild Semiconductor
JFET N-Channel Transistor
Data Sheet
Negotiable 
BF245A,126
BF245A,126
NXP Semiconductors
Transistors RF JFET N-Channel Single '+/- 30V 25mA
Data Sheet
0-7000: $0.10
7000-10000: $0.09
BF245A_Q
BF245A_Q
Fairchild Semiconductor
JFET N-Channel Transistor
Data Sheet
Negotiable 
BF245A_J35Z
BF245A_J35Z
Fairchild Semiconductor
Transistors RF JFET N-CHAN TO92 RF FET
Data Sheet
Negotiable