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BFX34
MECHANICAL DATA Dimensions in mm (inches)
HIGH CURRENT GENERAL PURPOSE TRANSISTOR
DESCRIPTION:
The BFX34 is a silicon Epitaxial Planar NPN transistor in a TO-39 case, intended for high current applications.
8.51 (0.34) 9.40 (0.37)
7.75 (0.305) 8.51 (0.335)
6.10 (0.240) 6.60 (0.260)
12.70 (0.500) min.
0.89 max. (0.035) 0.41 (0.016) 0.53 (0.021) dia.
Very low saturation voltage and high speed at high current levels make it ideal for power drivers, power amplifiers, switching power supplies and relay drive inverters.
5.08 (0.200) typ.
2 1
0.74 (0.029) 1.14 (0.045) 0.71 (0.028) 0.86 (0.034)
2.54 (0.100)
3
FEATURES
* SILICON EPITAXIAL NPN TRANSISTOR * HIGH SPEED, LOW SATURATION SWITCH * CECC SCREENING OPTIONS
45
TO39 (TO-205AD) Package
Underside View PIN 2 - BASE
PIN1 - EMITTER
PIN 3 - COLLECTOR
ABSOLUTE MAXIMUM RATINGS (TA = 25C unless otherwise stated)
VCBO VCEO VEBO IC ICM IB Ptot TSTG TJ Collector - Base Voltage (IE = 0) Collector - Emitter Voltage (IB = 0) Emitter - Base Voltage (IC = 0) Continious Collector Current Peak Repetitive Collector Current Continious Base Current Total Device Dissipation @ TA 25C @ TC 25C Storage Temperature Range Junction Temperature 120V 60V 6V 2A 5A 1A 0.87W 5W -65 to +200C 200C
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 5569 Issue 1
BFX34
ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise stated)
Parameter
ICES IEBO V(BR)CBO* VCEO(sus)* VEBO* VCE(sat)* VBE(sat)* hFE* Collector Cut-off Current Emitter Cut-off Current Collector - Base Breakdown Voltage Emitter- Base Voltage Collector - Emitter Saturation Voltage Base - Emitter Saturation Voltage DC Current Gain
Test Conditions
VCE = 60V VEB = 4V IC = 5mA IE = 1mA IC = 5A IC = 5A IC = 1A IC = 1.5A IC = 2A IC = 0.5A f = 20MHz IC = 0 f = 1MHz VCB = 10V f = 1MHz VCC = 20V IC = 0.5A IB1 = - IB2= 0.5A IE = 0 VEB = 0.5V VBE = 0 IC = 0 IE = 0 IB = 0 IC = 0 IB = 0.5A IB = 0.5A VCE = 2V VCE = 0.6V VCE = 2V VCE = 5V
Min.
Typ.
0.02 0.05
Max. Unit
10 10 A
120 60 6 0.4 1.3 100 75 40 70 80 100 300 40 500 pF 100 0.6 1.2 s 150 MHz - 1 1.6 V
Collector - Emitter Sustaining Voltage IC = 100mA
fT* CEBO CCBO ton toff
Transition Frequency Emitter - Base Capacitance Collector - Base Capacitance Turn on Time Turn off Time
* Pulse Duration = 300s,duty cycle 2%.
THERMAL CHARACTERISTICS
RJC RJA Thermal Resistance Junction - Case Thermal Resistance Junction - Ambient 35 200 C/W C/W
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders.
Semelab plc.
Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
Document Number 5569 Issue 1

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Price & Availability of BFX34

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX34 89K0473	STMicroelectronics	Bipolar Transistor, Npn, 60V, To-39; Transistor Polarity:Npn; Collector Emitter Voltage Max:60V; Continuous Collector Current:5A; Power Dissipation:870Mw; Transistor Mounting:Through Hole; No. Of Pins:3Pins; Product Range:-; Msl:- Rohs Compliant: Yes \|Stmicroelectronics BFX34		0

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX34 BFX34	STMicroelectronics	Trans GP BJT NPN 60V 5A 3-Pin TO-39 Bag - Bag (Alt: BFX34)		0

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX3401 74188696	Lovato Electric Inc	REVERSING CONNECTION KIT FOR BF95-150 \| LOVATO Electric BFX3401	1: USD92.4	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX3401	Lovato Electric Inc	Reversing Connection Kit For BF95-150 \| Lovato Electric BFX3401	250: USD65.87 100: USD67.58 50: USD68.61 25: USD71.57 10: USD74.79 5: USD77.1 1: USD83.52	0
BFX3492	Lovato Electric Inc		500: USD18.28 250: USD18.56 100: USD19.09 50: USD20.24 25: USD20.86 10: USD21.52 1: USD24.2	0

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX34	National Semiconductor Corporation			6

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX-34-98427	SGS Thomson		3: USD8.8229 2: USD10.026 1: USD12.0312	7

Part #	Manufacturer	Description	Price	BuyNow Qty.
BFX3492 BFX3492	Lovato Electric Inc	Connection bridge; Series: BF; BF95÷BF150	8: USD12.76 4: USD13.67 1: USD14.59	0
BFX3432 BFX3432	Lovato Electric Inc	Star-delta connection kit; Series: BF; BF95÷BF150	10: USD46.07 5: USD49.36 1: USD52.65	0
BFX3471 BFX3471	Lovato Electric Inc	Change-over connection bar; Series: BF; BF95÷BF150	10: USD37.51 5: USD40.19 1: USD42.86	0
BFX3401 BFX3401	Lovato Electric Inc	Reverser connection bar; Series: BF; BF95÷BF150	10: USD49.96 5: USD53.53 1: USD57.09	0
BFX3461 BFX3461	Lovato Electric Inc	Change-over connection bar; Series: BF; BF95÷BF150	10: USD27.86 5: USD30.05 1: USD31.84	0

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