BAS21

Product :
Peak Reverse Voltage :
Forward Continuous Current :
Max Surge Current :
Configuration :
Recovery Time :
Forward Voltage Drop :
Maximum Reverse Leakage Current :
Maximum Power Dissipation :
Operating Temperature Range :
Package / Case :
Packaging : Reel


Features:

· Silicon Planar Epitaxial High-Speed iodes
· For switching and general purpose pplications.
· These diodes are also available in other case styles including:
the SOD-123 case with the type designation BAV19W -BAV21W, the MiniMELF case with the type designation BAV101 - BAV103, and the DO-35 case with the type designation BAV19 - BAV21.




Pinout






Specifications

	Symbol	Value	Unit
Continuous Reverse Voltage BAS19 BAS20 BAS21	VR VR VR	100 150 200	V V V
Repetitive Peak Reverse Voltage BAS19 BAS20 BAS21	VRRM VRRM VRRM	120 200 250	V V V
Non-Repetitive Peak Forward Current at t = 1 s at t = 1 s	IFSM IFSM	2.5 0.5	A A
Average Rectified Forward Current (averaged over any 20 ms period)	IF(AV)	2001)	mA
Forward DC Current at Tamb = 25	IF	2002)	mA
Repetitive Peak Forward Current	IFRM	625	mA
Power Dissipation up to Tamb = 25	Ptot	2002)	mW
Junction Temperature	Tj	150
Storage Temperature Range	TS	65 to +150
1) Measured under pulse conditions; Pulse time = tp0.3 ms. 2) Device on fiberglass substrate, see layout.

Part Number	BAS21
Power Rating (mW)	350
Total Capacitance CT (pF)	5
Peak Repetitive Reverse Voltage VRRM (V)	250
Reverse Recovery Time trr (ns)	50
Max Average Rectifier Current IO (mA)	200
Max Peak Forward Surge Current IFSM (A)	2.5
Forward Voltage Drop VF (V)	1
Max Reverse Current IR (µA)	0.1

Product	Product status	Eco Status	Pricing*	Package type	Leads	Packing method	Package Drawing	Package Marking Convention**
BAS21	Full Production	RoHS Compliant	$0.0224	SOT-23	3	TAPE REEL		Line 1: &E&Y (Binary Calendar Year Coding) Line 2: A82.
BAS21_D87Z	Full Production	RoHS Compliant	N/A	SOT-23	3	TAPE REEL		Line 1: &E&Y (Binary Calendar Year Coding) Line 2: A82.

* Fairchild 1,000 piece Budgetary Pricing

** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples

Package marking information for product BAS21 is available. Click here for more information .

Description

BAS21 is a type of silicon switching diode which has two unique features: (1) for high-speed switching applications; (2): high breakdown voltage.

There are some maximum ratings about BAS21 when Ta is 25,unless otherwise specified. (1): diode reverse voltage(VR) is 200 V; (2): peak reverse voltage(VRM) is 250 V; (3): forward current(IF) is 250 mA; (4): peak forward current(IFM) is 625 mA; (5): surge forward current(IFS,t = 10 s) is 4 A; (6): total power dissipation(Ptot) is 350 mW when TS is not higher than 70°C; (7): junction temperature(Tj) is 150°C; (8): storage temperature(Tstg) is -65°C to 150°C.

Otherwise,there are also some DC characteristics of BAS21 at Ta is 25,unless otherwise specified. (1): breakdown voltage(V(BR)) is 250 mV min when I(BR) is 100 uA; (2): reverse current(IR) is 0.1 uA max when VR is 200 V; (3): forward voltage(VF) is 1 V max when IF is 100 mA.

Parameters:

Technical/Catalog Information	BAS21
Vendor	Fairchild Optoelectronics Group (VA)
Category	Discrete Semiconductor Products
Diode Type	Standard
Voltage - DC Reverse (Vr) (Max)	250V
Current - Average Rectified (Io)	200mA
Voltage - Forward (Vf) (Max) @ If	1.25V @ 200mA
Reverse Recovery Time (trr)	50ns
Current - Reverse Leakage @ Vr	100nA @ 200V
Speed	Small Signal =< 200mA (Io), Any Speed
Mounting Type	Surface Mount
Package / Case	SOT-23
Packaging	Cut Tape (CT)
Capacitance @ Vr, F	5pF @ 0V, 1MHz
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	BAS21 BAS21 BAS21FSCT ND BAS21FSCTND BAS21FSCT