BC184LC Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 30 V
• Collector-Base Voltage, max: 45 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 0.1 A
• Collector Dissipation: 0.35 W
• DC Current Gain (h_fe): 250
• Transition Frequency, min: 150 MHz
• Noise Figure, max: 4 dB
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92

The BC184LC is manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are, from left to right, the emitter, collector, and base leads.
Here is an image showing the pin diagram of this transistor.You can replace the BC184LC with the 2SC1570-G, 2SC1570-H, 2SC1571-G, 2SC1571-H, 2SC1815L, 2SC1842E, 2SC1842F, 2SC1842U, 2SC1843E, 2SC1843F, 2SC1844E, 2SC1844F, 2SC2396, 2SC2396-D, 2SC2396-E, 2SC2396-F, 2SC2458-BL, 2SC2545, 2SC2545-D, 2SC2545-E, 2SC2545-F, 2SC2631-T, 2SC2634-S, 2SC2634-T, 2SC2785-EF, 2SC2785-KF, 2SC2960-G, 2SC3114-U, 2SC3198-BL, 2SC3199-BL, 2SC3225, 2SC3247, 2SC3247-H, 2SC3247-J, 2SC3330-U, 2SC3330-V, 2SC3331-U, 2SC3331-V, 2SC3382-U, 2SC3383-U, 2SC458-D, 2SC4682, 2SC536-G, 2SC536-H, 2SC536N-G, 2SC945K, 2SD1207-U, 2SD1347U, 2SD1616-U, 2SD1616A-U, 2SD1835-U, 2SD789-D, 2SD789-E, BC167C, BC875, BC877, C1815BL, C945BL, H945-K, KSC1815L, KSC5019-N, KSC5019-P, KSC945CL, KSD1616-L, KTC3198BL, KTC3199BL or NTE199.