BC109CAlternatives & Equivalent Parts
About BC109C
BC109C is a Transistor BJT NPN component manufactured by Central Semiconductor. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | BC109CSource | NSIC2050JBT3G | NSS40201LT1G | KTR18EZPJ104 | CGA4J3X5R1A106K125AB | LTST-C191KRKT |
|---|---|---|---|---|---|---|
| Manufacturer | Central Semiconductor | ON Semiconductor | ON Semiconductor | ROHM Semiconductor | TDK | Lite-On |
| Package Type | Other | Diodes Moulded | SOT23 (3-Pin) | Resistor Chip | Other | LEDs Chip |
| Pin Count | 3 | 2 | 3 | 2 | 2 | 2 |
| Temperature Range | -65.0°C ~ 200.0°C | -55.0°C ~ 175.0°C | ~ 150.0°C | -55.0°C ~ 155.0°C | -55.0°C ~ 85.0°C | -55.0°C ~ 85.0°C |
| Price | $0.2510 | $0.2030 | $0.0921 | $0.0183 | $0.0560 | $0.0185 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | TRANSFERRED | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | No | Yes | Yes | Yes | Yes | Yes |
| YTEOL | 6.5 | 7.89 | 7 | 9 | 7.71 | 7 |
| Collector Current-Max (IC) | 0.2 A | — | 2 A | — | — | — |
| Collector-Emitter Voltage-Max | 25 V | — | 40 V | — | — | — |
| Configuration | SINGLE | — | SINGLE | — | — | SINGLE |
| DC Current Gain-Min (hFE) | 420 | — | 180 | — | — | — |
| JEDEC-95 Code | TO-18 | — | TO-236 | — | — | — |
| JESD-30 Code | O-MBCY-W3 | R-PDSO-G2 | R-PDSO-G3 | — | — | — |
| JESD-609 Code | e0 | e3 | e3 | e3 | e3 | e3 |
| Number of Elements | 1 | — | 1 | — | — | — |
| Package Body Material | METAL | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — |
| Package Shape | ROUND | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | — |
| Package Style | CYLINDRICAL | SMALL OUTLINE | SMALL OUTLINE | SMT | SMT | — |
| Polarity/Channel Type | NPN | — | NPN | — | — | — |
| Surface Mount | NO | YES | YES | YES | YES | YES |
| Terminal Finish | Tin/Lead (Sn/Pb) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | Tin (Sn) |
| Terminal Form | WIRE | GULL WING | GULL WING | — | — | — |
| Terminal Position | BOTTOM | DUAL | DUAL | — | — | — |
| Transistor Application | AMPLIFIER | — | SWITCHING | — | — | — |
| Transistor Element Material | SILICON | — | SILICON | — | — | — |
| Transition Frequency-Nom (fT) | 150 MHz | — | 150 MHz | — | — | — |
| Manufacturer Package Code | — | 403A-03 | 318 | — | — | — |
| Factory Lead Time | — | 8 Weeks | — | 13 Weeks | 16 Weeks | 16 Weeks |
| Data Input Mode | — | SERIAL | — | — | — | — |
| Input Characteristics | — | STANDARD | — | — | — | — |
| Interface IC Type | — | LED DISPLAY DRIVER | — | — | — | — |
| Multiplexed Display Capability | — | NO | — | — | — | — |
| Number of Functions | — | 1 | — | — | — | 1 |
| Number of Segments | — | 3 | — | — | — | — |
| Output Characteristics | — | CONSTANT-CURRENT | — | — | — | — |
| Output Polarity | — | TRUE | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | — | — | — |
| Power Dissipation-Max (Abs) | — | — | 0.54 W | — | — | — |
| Qualification Status | — | — | Not Qualified | — | — | — |
| Turn-off Time-Max (toff) | — | — | 200 ns | — | — | — |
| Turn-on Time-Max (ton) | — | — | 860 ns | — | — | — |
| Reach Compliance Code | — | — | — | Compliant | Compliant | — |
| Construction | — | — | — | Rectangular | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT |
| Package Height | — | — | — | 0.55 mm | — | — |
| Package Length | — | — | — | 3.2 mm | — | — |
| Package Width | — | — | — | 1.6 mm | — | — |
| Packing Method | — | — | — | TR, PAPER, 7 INCH | TR, 7 INCH | TR, 7 INCH |
| Rated Power Dissipation (P) | — | — | — | 0.25 W | — | — |
| Rated Temperature | — | — | — | 70 °C | — | — |
| Reference Standard | — | — | — | AEC-Q200 | AEC-Q200 | — |
| Resistance | — | — | — | 100000 Ω | — | — |
| Resistor Type | — | — | — | FIXED RESISTOR | — | — |
| Size Code | — | — | — | 1206 | 0805 | — |
| Technology | — | — | — | METAL GLAZE/THICK FILM | — | — |
| Temperature Coefficient | — | — | — | 200 ppm/°C | 15% ppm/°C | — |
| Terminal Shape | — | — | — | WRAPAROUND | WRAPAROUND | — |
| Tolerance | — | — | — | 5% | — | — |
| Working Voltage | — | — | — | 500 V | — | — |
| Capacitance | — | — | — | — | 10 µF | — |
| Capacitor Type | — | — | — | — | CERAMIC CAPACITOR | — |
| Dielectric Material | — | — | — | — | CERAMIC | — |
| Height | — | — | — | — | 1.25 mm | — |
| Multilayer | — | — | — | — | Yes | — |
| Negative Tolerance | — | — | — | — | 10% | — |
| Positive Tolerance | — | — | — | — | 10% | — |
| Rated (DC) Voltage (URdc) | — | — | — | — | 10 V | — |
| Temperature Characteristics Code | — | — | — | — | X5R | — |
| Additional Feature | — | — | — | — | — | IC COMPATIBLE |
| Color | — | — | — | — | — | ULTRA BRIGHT RED |
| Color@Wavelength | — | — | — | — | — | Orange-Red |
| Forward Current-Max | — | — | — | — | — | 0.03 A |
| Forward Voltage-Max | — | — | — | — | — | 2.4 V |
| Lens Type | — | — | — | — | — | WATER CLEAR |
| Luminous Intensity-Min | — | — | — | — | — | 0.018 cd |
| Luminous Intensity-Nom | — | — | — | — | — | 54.0 mcd |
| Optoelectronic Device Type | — | — | — | — | — | SINGLE COLOR LED |
| Overall Height | — | — | — | — | — | 0.55 mm |
| Peak Wavelength | — | — | — | — | — | 639 nm |
| Reverse Voltage-Max | — | — | — | — | — | 5 V |
| Shape | — | — | — | — | — | RECTANGULAR |
| Size | — | — | — | — | — | 1.1 mm |
| Viewing Angle | — | — | — | — | — | 130 deg |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for BC109C is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating BC109C replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to BC109C?
Known equivalents for BC109C include NSIC2050JBT3G, NSS40201LT1G, KTR18EZPJ104. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BC109C?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify BC109C alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.