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Bipolar PNP transistor, SOT-23
Samsung BC857B
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Silicon bipolar NPN RF transistor, SOT-343
Siemens BFP420
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Transistors - BJT



More informations

Low power transistors replacement:

AT-41485 with AT-41486 --- BF224 with BF199 --- BFG19S with BFG97
BFG 134 with BFG135 different package --- BFG505X with BFP181 --- BFP81 and BFP93A with BFQ81
BFQ51 and BFQ51C with BFQ76 --- BFQ65 SOT-37 with BFQ66 SOT-173 --- BFQ69 SOT-37 with BFQ74 SOT-173
BFQ193 and BFR193 with BFG193 or BFP193 different package --- BFR95 with 2N5109
BFT12 with BFR134 --- BFT17 with 2SC1260 --- BFT66 with BFQ29P SMD version
BFT97 with BFR90A --- BFW16A with 2N 5109 --- MMBR 931LT1 with BFT 25
MRF9411 with MRF 9511 --- MRF517 and MRF525 with 2N5109 --- MRF580 and MRF580A with BFR 134
MRF901 = MMBR901 SMD or with BFP91A --- 2N6305 with BFX89 --- 2N6603 with BFP91A
2N6618 see HXTR6103 -- 2N6679 see HXTR2101 -- 2N6701 see HXTR5101
2N6741 see HXTR5103

  Complementary transistors couples NPN - PNP
NPN BF720 BFR96 BFG97 BFQ72 BFQ71 BFR91A BFR92 MRF571
(not available)
BCX54 BSR14
PNP BF721 BFQ32 BFG31
(not available)
BFQ75 BFQ76 BFQ23 BFT92 MRF536 BCX51 BSR16
IC (mA) 100 75 100 50 30 50 25 30 1000 600
fT 100 MHz 5 GHz 5 GHz 5 GHz 5 GHz 5 GHz 5 GHz 5 GHz 50 - 130 MHz 200 MHz
  • Grid
  • List
SGS BF173 Silicon bipolar NPN RF transistor, TO-72
Silicon bipolar NPN RF transistor, TO-72
Order code: BF173
Silicon bipolar NPN RF transistor, TO-72

SGS BF173
Conditions: N- (The product is brand new but it comes from an old production)
Polarity: NPN
Collector-emitter voltage (Vce max): 25 V
Transition frequency (fT): 1 GHz
Collector current (Ic max): 25 mA
Dissipated power (Ptot): 175 mW
Mounting: thru-hole
Package: TO-72
Package type: metallic
Go to product page
BF173
Order code: BF173
SGS BF173 
Stock: 1200 pcs
Price each
$1.34
Volume discounts
 4+
$1.22
 10+
$1.10
 30+
$0.99
 100+
$0.89
 250+
$0.80
 500+
$0.73
 1000+
$0.67
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Telefunken BF185 Silicon bipolar NPN RF transistor, TO-72
Silicon bipolar NPN RF transistor, TO-72
Order code: BF185
Silicon bipolar NPN RF transistor, TO-72

Telefunken BF185
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 20 V
Transition frequency (fT): 200 MHz
Collector current (Ic max): 30 mA
Dissipated power (Ptot): 145 mW
Mounting: thru-hole
Package: TO-72
Package type: metallic
Go to product page
BF185
Order code: BF185
Telefunken BF185 
Stock: 32 pcs
Price each
$0.55
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
CDIL BF199 Silicon bipolar NPN RF transistor, TO-92
Silicon bipolar NPN RF transistor, TO-92
Order code: BF199
Silicon bipolar NPN RF transistor, TO-92

CDIL BF199
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 25 V
Transition frequency (fT): 400 MHz
Collector current (Ic max): 50 mA
Dissipated power (Ptot): 350 mW
Mounting: thru-hole
Package: TO-92
Package type: plastic
Go to product page
BF199
Order code: BF199
CDIL BF199 
Stock: 310 pcs
Price each
$0.73
Volume discounts
 10+
$0.67
 30+
$0.61
 100+
$0.55
 250+
$0.49
 500+
$0.43
(VAT tax not included)
Minimum: 5
Multiple: 1
Compare
Thomson-CSF BF255 Silicon bipolar NPN RF transistor, TO-92
Silicon bipolar NPN RF transistor, TO-92
Order code: BF255
Silicon bipolar NPN RF transistor, TO-92

Thomson-CSF BF255
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 30 V
Transition frequency (fT): 250 MHz
Collector current (Ic max): 300 mA
Dissipated power (Ptot): 30 mW
Mounting: thru-hole
Package: TO-92
Package type: plastic
Go to product page
BF255
Order code: BF255
Thomson-CSF BF255 
Stock: 1859 pcs
Price each
$0.55
Volume discounts
 5+
$0.49
 10+
$0.44
 30+
$0.40
 100+
$0.38
 250+
$0.35
 500+
$0.33
 1000+
$0.30
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
STMicroelectronics BF259 Silicon bipolar NPN RF transistor, TO-39
Silicon bipolar NPN RF transistor, TO-39
Order code: BF259
Silicon bipolar NPN RF transistor, TO-39

STMicroelectronics BF259
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 300 V
Transition frequency (fT): 90 MHz
Collector current (Ic max): 100 mA
Dissipated power (Ptot): 5 W
Mounting: thru-hole
Package: TO-39
Package type: metallic
Go to product page
BF259
Order code: BF259
STMicroelectronics BF259 
Stock: 104 pcs
Price each
$1.10
Volume discounts
 10+
$0.97
 30+
$0.85
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Motorola BF422 Silicon bipolar NPN transistor, TO-92
Silicon bipolar NPN transistor, TO-92
Order code: BF422
Silicon bipolar NPN transistor, TO-92

Motorola BF422
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 250 V
Transition frequency (fT): 60 MHz
Collector current (Ic max): 50 mA
Dissipated power (Ptot): 830 mW
Mounting: thru-hole
Package: TO-92
Package type: plastic
Go to product page
BF422
Order code: BF422
Motorola BF422 
Stock: 1190 pcs
Price each
$1.10
Volume discounts
 10+
$0.97
 30+
$0.85
 100+
$0.73
 250+
$0.61
 500+
$0.49
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
SGS-Thomson BF497 Silicon bipolar NPN RF transistor, TO-106
Silicon bipolar NPN RF transistor, TO-106
Order code: BF497
Silicon bipolar NPN RF transistor, TO-106

SGS-Thomson BF497
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 25 V
Transition frequency (fT): 1 GHz
Collector current (Ic max): 50 mA
Dissipated power (Ptot): 200 mW
Mounting: thru-hole
Package: TO-106
Package type: metallic
Go to product page
BF497
Order code: BF497
SGS-Thomson BF497 
Stock: 2135 pcs
Price each
$0.24
Volume discounts
 10+
$0.22
 30+
$0.19
 100+
$0.17
 250+
$0.15
 500+
$0.13
 1000+
$0.12
(VAT tax not included)
Minimum: 5
Multiple: 1
Compare
SGS BF509 Silicon bipolar PNP RF transistor, TO-92
Silicon bipolar PNP RF transistor, TO-92
Order code: BF509
Silicon bipolar PNP RF transistor, TO-92

SGS BF509
Conditions: N (The product is brand new)
Polarity: PNP
Collector-emitter voltage (Vce max): -35 V
Transition frequency (fT): 700 MHz
Collector current (Ic max): -30 mA
Dissipated power (Ptot): 250 mW
Mounting: thru-hole
Package: TO-92
Package type: plastic
Go to product page
BF509
Order code: BF509
SGS BF509 
Stock: 7390 pcs
Price each
$0.79
Volume discounts
 4+
$0.75
 10+
$0.72
 30+
$0.68
 100+
$0.65
 250+
$0.61
 500+
$0.57
 1000+
$0.54
 2500+
$0.50
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Philips BF620 High voltage bipolar NPN transistor, SOT-89
High voltage bipolar NPN transistor, SOT-89
Order code: BF620
High voltage bipolar NPN transistor, SOT-89

Philips BF620
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 300 V
Transition frequency (fT): 60 MHz
Collector current (Ic max): 50 mA
Dissipated power (Ptot): 1.25 W
Mounting: surface
Package: SOT-89
Package type: plastic
Go to product page
BF620
Order code: BF620
Philips BF620 
Stock: 900 pcs
Price each
$0.85
Volume discounts
 10+
$0.79
 30+
$0.73
 100+
$0.67
 250+
$0.61
 500+
$0.55
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Telefunken BF679 Silicon bipolar PNP RF transistor, SOT-37 (TO-50)
Silicon bipolar PNP RF transistor, SOT-37 (TO-50)
Order code: BF679
Silicon bipolar PNP RF transistor, SOT-37 (TO-50)

Telefunken BF679
Conditions: N (The product is brand new)
Polarity: PNP
Collector-emitter voltage (Vce max): -35 V
Transition frequency (fT): 880 MHz
Collector current (Ic max): -30 mA
Dissipated power (Ptot): 160 mW
Mounting: surface
Package: SOT-37
Package type: plastic
Go to product page
BF679
Order code: BF679
Telefunken BF679 
Stock: 41 pcs
Price each
$1.10
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Philips BF720 High voltage bipolar NPN transistor, SOT-223
High voltage bipolar NPN transistor, SOT-223
Order code: BF720
High voltage bipolar NPN transistor, SOT-223

Philips BF720
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 300 V
Transition frequency (fT): 60 MHz
Collector current (Ic max): 100 mA
Dissipated power (Ptot): 1.2 W
Mounting: surface
Package: SOT-223
Package type: plastic
Go to product page
BF720
Order code: BF720
Philips BF720 
Stock: 582 pcs
Price each
$0.67
Volume discounts
 5+
$0.61
 10+
$0.55
 30+
$0.49
 100+
$0.43
 250+
$0.40
 500+
$0.37
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Philips BF721 High voltage Bipolar PNP transistor, SOT-223
High voltage Bipolar PNP transistor, SOT-223
Order code: BF721
High voltage Bipolar PNP transistor, SOT-223

Philips BF721
Conditions: N (The product is brand new)
Polarity: PNP
Collector-emitter voltage (Vce max): -300 V
Transition frequency (fT): 60 MHz
Collector current (Ic max): -100 mA
Dissipated power (Ptot): 1.2 W
Mounting: surface
Package: SOT-223
Package type: plastic
Go to product page
BF721
Order code: BF721
Philips BF721 
Stock: 481 pcs
Price each
$0.67
Volume discounts
 5+
$0.61
 10+
$0.55
 30+
$0.49
 100+
$0.43
 250+
$0.40
 500+
$0.37
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Philips BFG10/X Bipolar NPN RF transistor, SOT-143
Bipolar NPN RF transistor, SOT-143
Order code: BFG10X
Bipolar NPN RF transistor, SOT-143

Philips BFG10/X
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 8 V
Transition frequency (fT): 9 GHz
Collector current (Ic max): 250 mA
Dissipated power (Ptot): 400 mW
Mounting: surface
Package: SOT-143
Package type: plastic
Go to product page
BFG10X
Order code: BFG10X
Philips BFG10/X 
Stock: 8947 pcs
Price each
$0.67
Volume discounts
 5+
$0.61
 10+
$0.51
 30+
$0.43
 100+
$0.34
 300+
$0.27
 1000+
$0.22
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Philips BFG135 Bipolar NPN RF transistor, SOT-223
Bipolar NPN RF transistor, SOT-223
Order code: BFG135
Bipolar NPN RF transistor, SOT-223

Philips BFG135
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 15 V
Transition frequency (fT): 7 GHz
Collector current (Ic max): 150 mA
Dissipated power (Ptot): 1 W
Mounting: surface
Package: SOT-223
Package type: plastic
Go to product page
BFG135
Order code: BFG135
Philips BFG135 
Stock: 363 pcs
Price each
$2.68
Volume discounts
 10+
$2.50
 30+
$2.31
 100+
$2.13
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
Siemens BFG135A Bipolar NPN RF transistor, SOT-223
Bipolar NPN RF transistor, SOT-223
Order code: BFG135A
Bipolar NPN RF transistor, SOT-223

Siemens BFG135A
Conditions: N (The product is brand new)
Polarity: NPN
Collector-emitter voltage (Vce max): 15 V
Transition frequency (fT): 6 GHz
Collector current (Ic max): 150 mA
Dissipated power (Ptot): 1 W
Mounting: surface
Package: SOT-223
Package type: plastic
Go to product page
BFG135A
Order code: BFG135A
Siemens BFG135A 
Stock: 28 pcs
Price each
$3.17
Volume discounts
 10+
$2.92
(VAT tax not included)
Minimum: 1
Multiple: 1
Compare
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Showing 46 - 60 of 163 results
SGS BF173
 
(0 comments)
Silicon bipolar NPN RF transistor, TO-72
Order code: BF173
SGS BF173
  • N-
  • NPN
  • 25 V
  • 1 GHz
  • 25 mA
  • 175 mW
  • thru-hole
  • TO-72
  • metallic
Stock: 1200 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$1.34
 4+
$1.22
 10+
$1.10
 30+
$0.99
 100+
$0.89
 250+
$0.80
 500+
$0.73
 1000+
$0.67
(VAT tax not included)
 

Compare
Telefunken BF185
 
(0 comments)
Silicon bipolar NPN RF transistor, TO-72
Order code: BF185
Telefunken BF185
  • N
  • NPN
  • 20 V
  • 200 MHz
  • 30 mA
  • 145 mW
  • thru-hole
  • TO-72
  • metallic
Stock: 32 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.55
(VAT tax not included)
 

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CDIL BF199
 
(0 comments)
Silicon bipolar NPN RF transistor, TO-92
Order code: BF199
CDIL BF199
  • N
  • NPN
  • 25 V
  • 400 MHz
  • 50 mA
  • 350 mW
  • thru-hole
  • TO-92
  • plastic
Stock: 310 pcs
Minimum: 5 pcs
Multiple: 1 pc
 4+
$0.73
 10+
$0.67
 30+
$0.61
 100+
$0.55
 250+
$0.49
 500+
$0.43
(VAT tax not included)
 

Compare
Thomson-CSF BF255
 
(0 comments)
Silicon bipolar NPN RF transistor, TO-92
Order code: BF255
Thomson-CSF BF255
  • N
  • NPN
  • 30 V
  • 250 MHz
  • 300 mA
  • 30 mW
  • thru-hole
  • TO-92
  • plastic
Stock: 1859 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.55
 5+
$0.49
 10+
$0.44
 30+
$0.40
 100+
$0.38
 250+
$0.35
 500+
$0.33
 1000+
$0.30
(VAT tax not included)
 

Compare
STMicroelectronics BF259
 
(0 comments)
Silicon bipolar NPN RF transistor, TO-39
Order code: BF259
STMicroelectronics BF259
  • N
  • NPN
  • 300 V
  • 90 MHz
  • 100 mA
  • 5 W
  • thru-hole
  • TO-39
  • metallic
Stock: 104 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$1.10
 10+
$0.97
 30+
$0.85
(VAT tax not included)
 

Compare
Motorola BF422
 
(0 comments)
Silicon bipolar NPN transistor, TO-92
Order code: BF422
Motorola BF422
  • N
  • NPN
  • 250 V
  • 60 MHz
  • 50 mA
  • 830 mW
  • thru-hole
  • TO-92
  • plastic
Stock: 1190 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$1.10
 10+
$0.97
 30+
$0.85
 100+
$0.73
 250+
$0.61
 500+
$0.49
(VAT tax not included)
 

Compare
SGS-Thomson BF497
 
(0 comments)
Silicon bipolar NPN RF transistor, TO-106
Order code: BF497
SGS-Thomson BF497
  • N
  • NPN
  • 25 V
  • 1 GHz
  • 50 mA
  • 200 mW
  • thru-hole
  • TO-106
  • metallic
Stock: 2135 pcs
Minimum: 5 pcs
Multiple: 1 pc
 5+
$0.24
 10+
$0.22
 30+
$0.19
 100+
$0.17
 250+
$0.15
 500+
$0.13
 1000+
$0.12
(VAT tax not included)
 

Compare
SGS BF509
 
(0 comments)
Silicon bipolar PNP RF transistor, TO-92
Order code: BF509
SGS BF509
  • N
  • PNP
  • -35 V
  • 700 MHz
  • -30 mA
  • 250 mW
  • thru-hole
  • TO-92
  • plastic
Stock: 7390 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.79
 4+
$0.75
 10+
$0.72
 30+
$0.68
 100+
$0.65
 250+
$0.61
 500+
$0.57
 1000+
$0.54
 2500+
$0.50
(VAT tax not included)
 

Compare
Philips BF620
 
(0 comments)
High voltage bipolar NPN transistor, SOT-89
Order code: BF620
Philips BF620
  • N
  • NPN
  • 300 V
  • 60 MHz
  • 50 mA
  • 1.25 W
  • surface
  • SOT-89
  • plastic
Stock: 900 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.85
 10+
$0.79
 30+
$0.73
 100+
$0.67
 250+
$0.61
 500+
$0.55
(VAT tax not included)
 

Compare
Telefunken BF679
 
(0 comments)
Silicon bipolar PNP RF transistor, SOT-37 (TO-50)
Order code: BF679
Telefunken BF679
  • N
  • PNP
  • -35 V
  • 880 MHz
  • -30 mA
  • 160 mW
  • surface
  • SOT-37
  • plastic
Stock: 41 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$1.10
(VAT tax not included)
 

Compare
Philips BF720
 
(0 comments)
High voltage bipolar NPN transistor, SOT-223
Order code: BF720
Philips BF720
  • N
  • NPN
  • 300 V
  • 60 MHz
  • 100 mA
  • 1.2 W
  • surface
  • SOT-223
  • plastic
Stock: 582 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.67
 5+
$0.61
 10+
$0.55
 30+
$0.49
 100+
$0.43
 250+
$0.40
 500+
$0.37
(VAT tax not included)
 

Compare
Philips BF721
 
(0 comments)
High voltage Bipolar PNP transistor, SOT-223
Order code: BF721
Philips BF721
  • N
  • PNP
  • -300 V
  • 60 MHz
  • -100 mA
  • 1.2 W
  • surface
  • SOT-223
  • plastic
Stock: 481 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.67
 5+
$0.61
 10+
$0.55
 30+
$0.49
 100+
$0.43
 250+
$0.40
 500+
$0.37
(VAT tax not included)
 

Compare
Philips BFG10/X
 
(0 comments)
Bipolar NPN RF transistor, SOT-143
Order code: BFG10X
Philips BFG10/X
  • N
  • NPN
  • 8 V
  • 9 GHz
  • 250 mA
  • 400 mW
  • surface
  • SOT-143
  • plastic
Stock: 8947 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$0.67
 5+
$0.61
 10+
$0.51
 30+
$0.43
 100+
$0.34
 300+
$0.27
 1000+
$0.22
(VAT tax not included)
 

Compare
Philips BFG135
 
(0 comments)
Bipolar NPN RF transistor, SOT-223
Order code: BFG135
Philips BFG135
  • N
  • NPN
  • 15 V
  • 7 GHz
  • 150 mA
  • 1 W
  • surface
  • SOT-223
  • plastic
Stock: 363 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$2.68
 10+
$2.50
 30+
$2.31
 100+
$2.13
(VAT tax not included)
 

Compare
Siemens BFG135A
 
(0 comments)
Bipolar NPN RF transistor, SOT-223
Order code: BFG135A
Siemens BFG135A
  • N
  • NPN
  • 15 V
  • 6 GHz
  • 150 mA
  • 1 W
  • surface
  • SOT-223
  • plastic
Stock: 28 pcs
Minimum: 1 pc
Multiple: 1 pc
 1+
$3.17
 10+
$2.92
(VAT tax not included)
 

Compare
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Showing 46 - 60 of 163 results

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