ZTX601ASTOB vs ZTX601ASTOA vs ZTX601ASTZ

PartNumber	ZTX601ASTOB	ZTX601ASTOA	ZTX601ASTZ
Description	Darlington Transistors NPN Darlington	Darlington Transistors NPN Darlington	Darlington Transistors NPN Darlington
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
Product Category	Darlington Transistors	Darlington Transistors	Darlington Transistors
RoHS	Y	Y	Y
Configuration	Single	Single	Single
Transistor Polarity	NPN	NPN	NPN
Collector Emitter Voltage VCEO Max	160 V	160 V	160 V
Emitter Base Voltage VEBO	10 V	10 V	10 V
Collector Base Voltage VCBO	180 V	180 V	180 V
Maximum DC Collector Current	1 A	1 A	1 A
Maximum Collector Cut off Current	0.01 uA	0.01 uA	0.01 uA
Pd Power Dissipation	1 W	1 W	1 W
Mounting Style	Through Hole	Through Hole	Through Hole
Package / Case	TO-92	TO-92	TO-92
Minimum Operating Temperature	- 55 C	- 55 C	- 55 C
Maximum Operating Temperature	+ 150 C	+ 150 C	+ 150 C
Packaging	Bulk	Bulk	Bulk
DC Current Gain hFE Max	1000	1000	-
Height	4.01 mm	4.01 mm	4.95 mm
Length	4.77 mm	4.77 mm	4.95 mm
Width	2.41 mm	2.41 mm	3.94 mm
Brand	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
Continuous Collector Current	1 A	1 A	1 A
Product Type	Darlington Transistors	Darlington Transistors	Darlington Transistors
Factory Pack Quantity	4000	4000	4000
Subcategory	Transistors	Transistors	Transistors
Unit Weight	0.016000 oz	0.016000 oz	0.016000 oz
DC Collector/Base Gain hfe Min	-	-	1000