CategoriesHide categoriesShow categories

Acoustic components [64]
- Loudspeakers [4]
- Magnetic transducers [22]
- Microphones [9]
- Piezo transducers [15]
- Sirens [14]
Antenna amplifiers [4]
Automatic components [70]
- Bimetallic temperature regulators [7]
- Contactors [10]
- Counters [15]
- Couplings [7]
- Other regulators [1]
- Temperature regulators [19]
- Warning Lights [11]
Batteries and rechargeable batteries [318]
- Batteries [98]
- Battery holders [68]
- Industrial rechargeable batteries AGM [51]
- Rechargeable batteries NiMh, NiCd [23]
- Rechargeable Li-Polymer batteries [58]
- Rechargeable lithium-ion batteries [20]
Chemical products [213]
- Chemical others [6]
- Cleaning agents [47]
- Encapsulating mass [5]
- Glues [14]
- Greases and oils [32]
- Heat conductive products [42]
- Protective and preservation products [11]
- Soldering and etching products [56]
Communication components [8]
Connectors [2374]
- Audio connectors [68]
- Automotive connectors [6]
- Data connectors [163]
- Data waterproof connectors [28]
  - SY25 Connectors [22]
  - WY24 connectors [6]
- Industrial circular conectors [537]
- Industrial connectors [334]
  - Electrovalve connectors [13]
  - Harting connectors [321]
- Other connectors [3]
- Power connectors [135]
- Signal connectors [294]
- Slip rings [9]
- Terminal blocks [523]
- WAGO picoMAX 5mm connectors [21]
- Wire connectors and terminals [253]
Development boards [142]
- Arduino solutions [2]
- Solutions compatible with Arduino [140]
Enclosures [1239]
- 19" rack mounted plastic enclosures [6]
- ABS enclosures for LCD modules [29]
- ABS multipurpose enclosures [287]
- Cable glands and grommets [185]
- Desktop plastic cases [11]
- Diecast aluminium enclosures [114]
- DIN rail module boxes [52]
- Dual-compartment enclosures [15]
- Enclosure accesssories [149]
- Extruded aluminium enclosures [54]
- Hand-held plastic cases [74]
- Instrument plastic cases [84]
- IP67 HQ diecast aluminium enclosures [15]
- Polycarbonate multipurpose enclosures [126]
- PS multipurpose enclosures [38]
Fans and accessories [275]
- Fans 230V, 380V AC [42]
- Fans 24V, 48V DC [59]
- Fans 3V, 5V, 12V DC [136]
- Fans accessories [38]
Fuses and fuse holders [638]
- 2410 SMD fuses [25]
- 5x20mm fuses [109]
- 6,3x32mm fuses [90]
- Automotive fuses [48]
- Circuit breakers [61]
- Fuse Accessories [3]
- Fuse clips and holders [56]
- Industrial fuses [42]
- PCB mounted micro fuses [22]
- SMD polimer fuses [25]
- Surge protectors [8]
- Thermostats and thermal fuses [129]
- THT polimer fuses [20]
Heatsinks, cooling [299]
- Cooling modules [12]
- Custom heatsinks [17]
- Heatsinks [215]
- Heatsinks barbells 1m; 1,2m [23]
- Heatsinks for LEDs [7]
- Heatsinks for SSRs [21]
- Peltier Modules [4]
Limit switches and snap action switches [193]
- Limit switches [39]
- Safety limit switches [48]
- Snap action switches [106]
Measuring accessories [448]
- Adapters / jumpers [16]
- Banana plugs [130]
- Banana sockets [77]
- Binding posts [25]
- Crocodile clips [57]
- Test clips [41]
- Test leads [62]
- Test probes [40]
Mechanical components [376]
- Cable ties [28]
- DIN rails, mounting brackets [17]
- Knobs [40]
- LED holders [14]
- Metal spacers [54]
- Plastic spacers [30]
- Srews, nuts, washers [193]
Optoelectronics [361]
- Bulbs [44]
- Displays [33]
- Infrared [20]
- LED drivers [6]
- LED tapes [3]
- LEDs [159]
- Optocouplers [66]
- Optotriacs [23]
- Photo conductive cells [7]
Passive components [2481]
- Anti-interference filters [8]
- Capacitors [1132]
- EMI/EMC Ferrites [14]
- Inductors [117]
- Passive components sets [24]
- Quartz crystals [47]
- Resistors [839]
- Shaft potentiometers and trimmers [201]
- Thermistors [60]
  - NTC measurement thermistors [25]
  - NTC protective thermistors [34]
- Varistors [39]
Power Supplies [298]
- Buffer power supplies [5]
- Chargers [18]
- Desktop/plug power supplies - sale [45]
- DIN Rail power supplies [98]
- Laboratory power supplies [8]
- LED Power Supplies [30]
- Modular power supplies [36]
- Modular power supplies - sale [1]
- PCB Mounted power supplies [21]
- Power inverters [23]
- UPS power supply [1]
- Various power supplies [12]
Raspberry Pi [1]
Relays and accessories [596]
- Automotive relays [40]
- Bistable relays [14]
- Industrial relays [68]
- Interface relays [56]
- Miniature relays [216]
- Protection Relays [7]
- Relay accessories [11]
- Relay protective modules [12]
- Relay sockets [54]
- Solid state relays [93]
- Time relays [25]
Semiconductors [2205]
- Accessories for semiconductors [18]
- Bridge Rectifiers [63]
- Diode modules / Thyristor power modules/ IGBT [11]
- Diodes [361]
- Integrated circuits [1065]
- Power Inverters [29]
- Thyristors [18]
- Transistors [576]
- Triacs [64]
Sensors [551]
- Capacitive sensors [58]
- Gas sensors [5]
- Hall sensors [20]
- Inducktive Linear Sensor [6]
- Inductive sensors [146]
- Level sensors [6]
- Light and motion sensors [9]
- Magnets [76]
- Optical sensors [124]
- Reed sensors [28]
- Temperature and humidity sensors [66]
- Tilt, vibration, pressure sensors [4]
- Ultrasonic sensors [3]
Switches and indicators [1105]
- Cam switches [57]
- DIP switches [16]
- Encoders [6]
- Encoding switches [8]
- Foot switches [14]
- Indicators [82]
- Joysticks [18]
- Key switches [18]
- Keypads [2]
- Non-contact optical switches [6]
- Push button switches [423]
- Rocker switches [141]
- Rotary switches [42]
- Slide switches [12]
- Switch accessories [67]
- Tact switch caps [23]
- Tact switches [98]
  - SMD tact switches [27]
  - THT tact switches [71]
- Toggle switches [72]
Transformers [127]
- Autotransformers [5]
- Coilformers and cores [7]
- Current transformers [5]
- PCB mounted transformers [77]
- Toroidal transformers [21]
- Transformers for DIN rail [5]
- Transformers with fastening [7]
Various [21]
Wires and cables [833]
- Accessories for cables and cables [6]
- Cable assemblies [45]
  - Patch cables [14]
  - USB and HDMI cables [31]
- Data transmission wires [124]
- Equipment wires [223]
- Flat wires [43]
- Heat shrinkable tubes [186]
- Kynar [18]
- Mains / control wires [75]
- Power supply cords [45]
- Silicon wires [33]
- Silver plated wires [12]
- Speaker wires [23]
Workplace equipment [680]
- Copper laminate [22]
- Crimping tools and strippers [44]
- Drills and drill bits [61]
- Measurement devices [70]
- Other workplace components [24]
- Pliers [34]
- Screwdrivers [4]
- Soldering components [187]
- Soldering tips [91]
- String bags [20]
- Tapes [40]
- Tweezers [30]
- Universal printed circuit boards [53]

Quick buy

Quickly add items to your cart:

Recommended

Relay socket; RYPS-08; solder; green; with clamp; Dinkle; RoHS; Compatible with relays: RM85; RM84; RM94

Relay socket; Dinkle; RYPS-08
from 2,14 PLN net

Transistor; unipolar; IRF640N; N-MOSFET; 18A; 200V; 150W; 150mOhm; TO220AB; through hole (THT); HEXFET; Infineon; RoHS

Transistor; Infineon; IRF640N
from 1,24 PLN net

Relay; SSR; single phase; TLP595G; 30mA; 1,2÷1,7V; DC; 150mA; 400V; DC; AC; MOSFET; PCB surface mounted; SPST NO; Toshiba

Relay; Toshiba; TLP595G; SSR; 1,2÷1,7V; 150mA
from 2,38 PLN net

In order for the website to function properly, it is required to enable JavaScript and Cookies in your browser!

In order for the website to function properly, it is required to enable Cookies in your browser. You can read more about the rules of using cookies in our privacy policy.

Transistor; Philips; BF494

Files to download
Datasheet

Transistor; bipolar; BF494; NPN; 30mA; 20V; 300W; 260MHz; TO92; through hole (THT); Philips; on tape; RoHS

Item ID: 29332

Quantity: 1996 pc

MOQ: 25

Multiple: 25

Quantity [ pc ]	Net price PLN
25+	0,1100
100+	0,0670
500+	0,0558
1000+	0,0517
2000+	0,0476

Quantity:

Details
Name	Transistor
Transistor kind	bipolar
Symbol	BF494
Transistor type	NPN
Collector current	30mA
Gate-source voltage	20V
Power	300W
Frequency	260MHz
Case	TO92
Features	not applicable
Mounting	through hole (THT)
Manufacturer	Philips
Package	on tape
Certificates	RoHS