TIP31

Central Semiconductor
Bipolar Power Transistor NPN Amplifier/Switch 3A 40V 3-Pin TO-220 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey TIP31CS-ND 0 $0.62
AVNET Express TIP31 3489 1 $0.31
Mouser Electronics 610-TIP31 1652 1 $1.25 $1.02 $1.02 $0.85 $0.59 $0.51
Utmel TIP31 1200 $0.18 $0.18 $0.18 $0.00 $0.00 $0.00

TIP30C

Central Semiconductor
Bipolar Power Transistor PNP Amplifier/Switch 1A 100V 3-Pin TO-220 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey TIP30CCS-ND 0 $0.62
AVNET Express TIP30C 1582 1 $0.17
Mouser Electronics 610-TIP30C 436 1 $1.25 $1.02 $1.02 $0.85 $0.59 $0.51

TIP32B

Central Semiconductor
Bipolar Power Transistor PNP Amplifier/Switch 3A 40V 3-Pin TO-220 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey TIP32BCS-ND 0 $0.61
AVNET Express TIP32B 0 1 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
Mouser Electronics 610-TIP32B 936 1 $1.14 $0.93 $0.93 $0.78 $0.54 $0.54

BCX38A

Central Semiconductor
Bipolar Transistor Small Signal NPN Darlington 60V 500mA 3-Pin TO-92 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey BCX38A 0 4000 $0.24
AVNET Express BCX38A 0 2500 $0.00
Mouser Electronics BCX38A 2352 1 $0.54 $0.47 $0.47 $0.32 $0.24 $0.24

BCY59-IX

Central Semiconductor
Bipolar Transistor Small Signal Low Noise Amplifier NPN 100mA 45V 3-Pin TO-18 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey BCY59-IX 0 2000 $1.13
AVNET Express BCY59-IX 0 2000 $0.00
Mouser Electronics BCY59-IX 1206 1 $1.88 $1.68 $1.68 $1.34 $0.97 $0.87

BC184B

Central Semiconductor
Bipolar Transistor NPN Low Noise 200mA 30V 3-Pin TO-92 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey BC184B 0 2500 $5,000.00
AVNET Express BC184B 0 2500 $0.00
Mouser Electronics BC184B 2078 1 $0.77 $0.67 $0.67 $0.46 $0.34 $0.28

BRX47

Central Semiconductor
Silicon Controlled Rectifier 1-Element 0.8A 200V (DRM/RRM) TO-92 Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey BRX47 0 $0.26
AVNET Express BRX47 0 2500 $0.00
Mouser Electronics BRX47 1934 1 $0.79 $0.65 $0.65 $0.54 $0.38 $0.36

BSY79

Central Semiconductor
Bipolar Transistor Small Signal NPN Amplifier/Switch 1mA 1V 3-Pin TO-18 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 1514-BSY79TIN/LEAD-ND 0 2000 $1.15
AVNET Express BSY79 0 2000 $0.00
Mouser Electronics 610-BSY79 0 2000 $0.93

2N2218

Central Semiconductor
Bipolar Transistor NPN Amplifier/Switch 30V 800mA 3-Pin TO-39 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 1514-2N2218PBFREE-ND 0 $2.44 $1.78 $1.91 $1.42 $1.21 $1.21
AVNET Express 2N2218 0 1 $2.95 $2.92
Mouser Electronics 610-2N2218 815 1 $2.03 $1.80 $1.80 $1.44 $1.05 $1.03

2N2905

Central Semiconductor
Bipolar Transistor Small Signal PNP Amplifier/Switch 0.6A 40V 3-Pin TO-39 Through Hole Box
Distributor SKU Stock MOQ 1 10 50 100 1,000 10,000
DigiKey 1514-2N2905APBFREE-ND 2111 $3.29 $2.14 $2.10 $1.49 $1.12 $0.99
AVNET Express 2N2905 0 1 $19.28 $18.47 $18.37
Mouser Electronics 610-2N2905 2031 1 $2.03 $1.80 $1.80 $1.44 $1.05 $1.03