BF420三极管

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD ==

TO-92 Plastic-Encapsulate Transistors

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BF420 TRANSISTOR (NPN) BF422

FEATURES

Low feedback capacitance. z

NPN transistors in a TO-92 plastic package. z

PNP complements: BF421 and BF423 Class-B video output stages in colour z

television and professional monitor equipment.

MAXIMUM RATINGS (Ta=25℃ unless otherwise noted)

TO-92

1. EMITTER

2.COLLECTOR 3. BASE

Symbol Parameter BF420 BF422 Unit VCBO VCEO VEBO IC PC Rth j-a Tj Tstg Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current -Continuous Collector Power Dissipation 300 300 5 100 250 250 V V V mA 0.830 W thermal resistance from junction to ambient 151 ℃/W junction temperature Storage Temperature Range 150 -55~150 ℃ ℃ ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified)

Parameter

Collector-base breakdown voltage BF420 BF422Collector-emitter breakdown voltage BF420 BF422Emitter-base breakdown voltage Collector cut-off current Emitter cut-off current

DC current gain Collector-emitter saturation voltage Transition frequency Feedback capacitance

SymbolV(BR)CBOV(BR)CEOV(BR)EBOICBO IEBO hFE VCE(sat)

Test conditions IC=100μA, IE=0 IC= 1mA , IB=0

MIN 300 250 300 250

MAX

UNIT V V

IE=100μA, IC0 5 V VCB=200V, IE0 0.01 μA VEB=5V, IC0 0.05 μA VCE=20V, IC25mA 50 IC=30mA, IB= 5mA VCE=10V, IC= 10mA

0.6

V

f T

Cre

f=100MHz

60 MHz VCE=30V,IC0,f1MHz 1.6 pF

B,Feb,2013

【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

SymbolAA1bcDD1Eee1LΦhDimensions In MillimetersMin.Max.3.3003.7001.1001.4000.3800.5500.3600.5104.3004.7003.4304.3004.7001.270 TYP.2.4402.014.10014.5001.6000.0000.380Dimensions In InchesMin.Max.0.1300.1460.0430.0550.0150.0220.0140.0200.1690.1850.1350.1690.1850.050 TYP.0.0960.1040.5550.5710.0630.0000.015【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

ItemBody widthBody heightBody thicknessLead wire diameterPitch of componentFeed hole pitchHole center to component centerLead to lead distanceComponent alignment, F-RType widthHole down tape widthHole positionHole down tape positionHeight of component from tape centerLead wire clinch heightLead wire(tape portion)Feed hole diameterTaped Lead ThicknessCarrier Tape ThicknessPosition of holeComponent alignmentSymbolA1ATdPP0P2F1,F2△hWW0W1W2HH0L1D0t1t2P1△PValue & Tolerance4.5 ± 0.24.5 ± 0.23.5 ± 0.20.46 ± 0.0512.7 ± 0.312.7 ± 0.26.35 ± 0.32.5 ± 0.30 ± 1.018.0 + 1.0, - 0.56.0 ± 0.59.0 ± 0.51.0 MAX.19.0 ± 1.016.0 ± 0.52.5 MIN.4.0 ± 0.20.4 ± 0.050.2 ± 0.053.85 ± 0.30 ± 1.0 Unit : mm【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

Sponge strip Sponge strip

2000 pcs

The top gasket

Label on the Inner Box

Inner Box: 333 mm×162mm×43mm

Plastic bag Stamp “EMPTY” on the empty box Seal the box with the tape

QA Label

Outer Box: 350 mm× 340mm× 250mm

Label on the Outer Box

【南京南山半导体有限公司 — 长电三极管选型资料】www.nscn.com.cn

Inner Box: 240 mm×165mm×９５mm

Label on the Inner Box

Stamp “EMPTY” on the empty box

Seal the box with the tape

QA Label

Outer Box: 525 mm× 360mm× 262mm

Label on the Outer Box