BF421
BF423
PNP Silicon
Plastic-Encapsulate
Transistor
Features
Electrical Characteristics @ 25OC Unless Otherwise Specified
Symbol Parameter Min Max Units
OFF CHARACTERISTICS
V(BR)CEO Collector-Emitter Breakdown Voltage
(I
C=1.0mAdc, IB=0) BF421
BF423
300
250
---
---
Vdc
V(BR)CBO Collector-Base Breakdown Voltage
(I C=100uAdc, IE=0) BF421
BF423
300
250
---
---
Vdc
V(BR)EBO Emitter-Base Breakdown Voltage
(I E=100uAdc, IC=0)
5.0 --- Adc
ICBO Collector Cutoff Current
(V CB=200Vdc, IE=0)
--- 0.01 uAdc
IEBO Emitter Cutoff Current
(V EB=5.0Vdc, I
C=0)
--- 0.05 uAdc
ON CHARACTERISTICS
hFE DC Current Gain
(I
C=25mAdc,V CE=20Vdc)
50 --- ---
VCE(sat) Collector-Emitter Saturation Voltage
(I
C=30mAdc, IB=5.0mAdc)
--- 0.6 Vdc
fTTransition Frequency
(VCE=10Vdc, I
C=10mA dc, f=100MHz)
60 --- MHz
Revision: D 2013/01/01
omponents
20736 Marilla Street Chatsworth
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MCC TM
Micro Commercial Components
www.mccsemi.com
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• Lead Free Finish/RoHS Compliant ("P" Suffix designates
RoHS Compliant. See ordering information)
• Epoxy meets UL 94 V-0 flammability rating
• Moisure Sensitivity Level 1
• Marking: Type Number
• Capable of 0.83Watts of Power Dissipation.
• Collector-current 0.1A
• Collector-base Voltage: BF421 300V
BF423 250V
• Operating and storage junction temperature range: -55OC to +150OC
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .175 .185 4.45 4.70
B .175 .185 4.45 4.70
C .500 --- 12.70 ---
D .016 .020 0.41 0.63
E .135 .145 3.43 3.68
.095.1052.422.67 Straight Lead
AE
B
C
D
G
ECB
ECB
BENT LEADSTRAIGHT LEAD
BULK PACK AMMO PACK
* For ammo packing detailed specification, click here to visit our website
of product packaging for details.
.173.2204.405.60 Bent Lead
G
TO-92
DIMENSIONS
Halogen free available upon request by adding suffix "-HF"
•
MCC
Revision: D 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
2 of 2
3
Part Number-BP Bulk: 100Kpcs/Carton
Ordering Information :
***IMPORTANT NOTICE***
Micro Commercial Components Corp. reserves the right to make changes without further notice to any product herein to
make corrections, modifications , enhancements , improvements , or other changes . Micro Commercial Components
Corp . does not assume any liability arising out of the application or use of any product described herein; neither does it
convey any license under its patent rights ,nor the rights of others . The user of products in such applications shall assume all
risks of such use and will agree to hold Micro Commercial Components Corp . and all the companies whose products are
represented on our website, harmless against all damages.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Device Packing
Part Number-AP Ammo Packing: 20Kpcs/Carton
Note : Adding "-HF" suffix for halogen free, eg. Part Number-AP-HF
