Fairchild Semiconductor-BC637 - Transistors - Bipolar (BJT) - Single Product Specifications and Latest Quotes

Part Number	BC637	BC639	BC638	BC637G	BC635	BC636
Manufacturer	Fairchild Semiconductor	Fairchild Semiconductor	Fairchild Semiconductor	onsemi	onsemi	Fairchild Semiconductor
Product Status	Obsolete	Obsolete	Obsolete	Obsolete	Obsolete	Obsolete
Transistor Type	NPN	NPN	PNP	NPN	NPN	PNP
Current - Collector (Ic) (Max)	1 A	1 A	1 A	1 A	1 A	1 A
Voltage - Collector Emitter Breakdown (Max)	60 V	80 V	60 V	60 V	45 V	45 V
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	100nA (ICBO)	100nA (ICBO)	100nA (ICBO)	100nA (ICBO)	100nA (ICBO)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 150mA, 2V	40 @ 150mA, 2V	40 @ 150mA, 2V	40 @ 150mA, 2V	40 @ 150mA, 2V	40 @ 150mA, 2V
Power - Max	625 mW	625 mW	1 W	625 mW	1 W	1 W
Frequency - Transition	200MHz	200MHz	100MHz	200MHz	100MHz	100MHz
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	150°C (TJ)	-55°C ~ 150°C (TJ)	150°C (TJ)	150°C (TJ)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-226-3, TO-92-3 (TO-226AA) Formed Leads	TO-226-3, TO-92-3 (TO-226AA)	TO-226-3, TO-92-3 Long Body	TO-226-3, TO-92-3 (TO-226AA)	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package	TO-92 (TO-226)	TO-92 (TO-226)	TO-92-3	TO-92 (TO-226)	TO-92-3	TO-92-3

Fairchild Semiconductor BC637

Transistor Type:	NPN
Current - Collector (Ic) (Max):	1 A
Voltage - Collector Emitter Breakdown (Max):	60 V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	40 @ 150mA, 2V
Power - Max:	625 mW
Frequency - Transition:	200MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package:	TO-92 (TO-226)