LIGHTNING / ELECTROSTATIC DISCHARGE DETECTION
ARDUINO BASED LIGHTNING DETECTOR
SCHEMATICS
(Transistors : 2N3904)
Transistor FET = BF245
PROJECTS
TRANSISTORS CHARACTERISTICS & EQUIVALENCE FOR (OLD) PROJECTS ABOVE (USING OLD OR DISCONTINUED TRANSISTORS)
2N4401
FEATURES
- General purpose NPN Transistor
- High DC Current Gain (hFE), typically 80 when IC=10mA
- Continuous Collector current (IC) is 500mA
- Collector-Emitter voltage (VCE) is 40 V
- Collector-Base voltage (VCB) is 60V
- Emitter Base Breakdown Voltage (VBE) is 6V
- Transition Frequency is 100MHz
- Available in To-92 Package
ALTERNATIVES
- BC549
- BC636
- BC639
- BC547
- 2N2369
- 2N3055
- 2N3904
- 2N3906
- 2SC5200
- 2N551
EQUIVALENTS
- 2N3904
- 2N2222A
2N4403
FEATURES
- Type - PNP
- Collector-Emitter Voltage: -40 V
- Collector-Base Voltage: -40 V
- Emitter-Base Voltage: -5 V
- Collector Current: -0.6 A
- Collector Dissipation - 0.625 W
- DC Current Gain (hfe) - 100 to 300
- Transition Frequency - 200 MHz
- Operating and Storage Junction Temperature Range -55 to +150 °C
- Package - TO-92
REPLACEMENTS & EQUIVALENTS
- 2SA708
- BC527
- BC528
- KN2907
- KN2907A
- KSA708
- KSP2907A
- KTN2907
- KTN2907A
- MPS2907
- MPS2907A
- MPS2907AG
- MPS2907G
- MPS4354
- MPS4355
- MPS750
- MPS750G
- MPS751
- MPS751G
- MPSW51A
- MPSW51AG
- P2N2907A
- P2N2907AG
- PN2905
- PN2905A
- PN2907
- PN2907A
- ZTX550
- ZTX951
SMD VERSIONS
- 2SA1518 (SOT-23)
- 2SA1519 (SOT-23)
- 2SA1520 (SOT-23)
- 2SA1521 (SOT-23)
- BC807 (SOT-23)
- BC807W (SOT-323)
- BCX17 (SOT-23)
- KST4403 (SOT-23)
- MMBT4403 (SOT-23)
- MMST4403 (SOT-323)
- PMBT4403 (SOT-23)
- PMST4403 (SOT-323)
BF245
FEATURES
- Package Type: TO-92
- Transistor Type: N Channel JFET
- Max Voltage Applied From Drain to Source: 30Vdc
- Max Drain to Gate Voltage: 30V
- Max Reverse Gate to Source Voltage: –30Vdc
- Max Continues Drain Current: 25mA
- Minimum to Maximum Gate to Source Cuttoff Voltage : -0.5 to –0 Vdc
- Max Power Dissipation: 300mW
- Max Storage & Operating temperature: -55 to +150 Centigrade
- Low Noise & High Gain
REPLACEMENT & EQUIVALENT
- BF245B, BF245C
- 2N5457
- 2SK117
- MPF102
- 2N5458
- BF244A
- BF256A
- NTE457
- J113
- 2N3819
Other nearest Possible replacements are
- 2N4416
- NTE312
- 2N5638
- 2N5640
- 2SK162
- 2SK518
(Always check pin configuration of the transistor you are replacing with the BF245.)
