BC817-40-TPAlternatives & Equivalent Parts
About BC817-40-TP
BC817-40-TP is a Transistor BJT NPN component manufactured by Micro Commercial Components (MCC). It comes in a SOT23 (3-Pin) 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 | BC817-40-TPSource | CRG0805F120R | LP2950CDT-3.3 | MCP102T-315E/TT | TMP05BKSZ-500RL7 | MF-MSMF014-2 |
|---|---|---|---|---|---|---|
| Manufacturer | Micro Commercial Components (MCC) | TE Connectivity | Texas Instruments | Microchip | Analog Devices | Bourns |
| Package Type | SOT23 (3-Pin) | Resistor Chip | Other | SOT23 (3-Pin) | SOT23 (5-Pin) | Thermistors Chip |
| Pin Count | 3 | 2 | 3 | 3 | 5 | 2 |
| Temperature Range | ~ 150.0°C | -55.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 85.0°C |
| Price | $0.0143 | $0.0040 | $0.2370 | $0.0716 | $1.0784 | $0.1116 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | TRANSFERRED | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | Yes | No | Yes |
| YTEOL | 7 | — | 0 | 9 | 10 | 8.25 |
| Collector Current-Max (IC) | 0.5 A | — | — | — | — | — |
| Collector-Emitter Voltage-Max | 45 V | — | — | — | — | — |
| Configuration | SINGLE | — | — | — | — | — |
| DC Current Gain-Min (hFE) | 250 | — | — | — | — | — |
| JESD-30 Code | R-PDSO-G3 | — | R-PSSO-G2 | R-PDSO-G3 | — | — |
| JESD-609 Code | e3 | e3 | e0 | e3 | e4 | — |
| Number of Elements | 1 | — | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Shape | RECTANGULAR | RECTANGULAR PACKAGE | RECTANGULAR | RECTANGULAR | — | — |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE | — | SMT |
| Peak Reflow Temperature (Cel) | 260 | — | 235 | 260 | — | — |
| Polarity/Channel Type | NPN | — | — | — | — | — |
| Power Dissipation-Max (Abs) | 0.3 W | — | — | — | — | — |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | — | — |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Terminal Finish | Matte Tin (Sn) | Tin (Sn) | Tin/Lead (Sn/Pb) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Gold (Au) - with Nickel (Ni) barrier |
| Terminal Form | GULL WING | — | GULL WING | GULL WING | — | — |
| Terminal Position | DUAL | — | SINGLE | DUAL | — | — |
| Time@Peak Reflow Temperature-Max (s) | 10 | — | NOT SPECIFIED | 40 | — | — |
| Transistor Application | SWITCHING | — | — | — | — | — |
| Transistor Element Material | SILICON | — | — | — | — | — |
| Transition Frequency-Nom (fT) | 100 MHz | — | — | — | — | — |
| Reach Compliance Code | — | Compliant | — | — | — | Compliant |
| Additional Feature | — | LASER TRIMMABLE | — | BAT BUP SW:N;MNL RST:N;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:N;UV DET:N;WD:N;WWD:N | — | Rmin@23 DEG CEL |
| Mounting Feature | — | SURFACE MOUNT | — | — | SURFACE MOUNT | SURFACE MOUNT |
| Packing Method | — | TR | TUBE | — | — | TR, 7 INCH |
| Rated Power Dissipation (P) | — | 0.125 W | — | — | — | — |
| Rated Temperature | — | 70 °C | — | — | — | — |
| Resistance | — | 120 Ω | — | — | — | 0.4 Ω |
| Resistor Type | — | FIXED RESISTOR | — | — | — | PTC RESETTABLE FUSE |
| Size Code | — | 0805 | — | — | — | — |
| Technology | — | METAL GLAZE/THICK FILM | BIPOLAR | — | HYBRID | — |
| Temperature Coefficient | — | 100 ppm/°C | — | — | — | — |
| Terminal Shape | — | WRAPAROUND | — | — | — | ONE SURFACE |
| Tolerance | — | 1% | — | — | — | — |
| Working Voltage | — | 150 V | — | — | — | 60 V |
| Dimensions: Product Width 1.25 MM | — | Product Height .022 INCH | — | — | — | — |
| Product Height .55 MM | — | Product Width .049 INCH | — | — | — | — |
| Electrical Characteristics: Power Rating .125 WATT | — | Operating Voltage 150 V | — | — | — | — |
| Passive Component Tolerance 1 PCT | — | Resistance Class Up to 1kΩ | — | — | — | — |
| Adjustability | — | — | FIXED | — | — | — |
| Dropout Voltage1-Max | — | — | 0.6 V | — | — | — |
| Dropout Voltage1-Nom | — | — | 0.38 V | — | — | — |
| Input Voltage Absolute-Max | — | — | 30 V | — | — | — |
| Input Voltage-Max | — | — | 30 V | — | — | — |
| Input Voltage-Min | — | — | 4.3 V | — | — | — |
| Line Regulation-Max | — | — | 0.0132% | — | — | — |
| Load Regulation-Max | — | — | 0.0099% | — | — | — |
| Number of Functions | — | — | 1 | 1 | — | — |
| Number of Outputs | — | — | 1 | — | — | — |
| Operating Temperature TJ-Max | — | — | 125 °C | — | — | — |
| Operating Temperature TJ-Min | — | — | -40 °C | — | — | — |
| Output Current1-Max | — | — | 0.1 A | — | — | — |
| Output Voltage1-Max | — | — | 3.366 V | — | — | — |
| Output Voltage1-Min | — | — | 3.234 V | — | — | — |
| Output Voltage1-Nom | — | — | 3.3 V | — | — | — |
| Package Equivalence Code | — | — | SMSIP3H,.38,90TB | TO-236 | TSSOP5/6,.08 | — |
| Regulator Type | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — |
| Terminal Pitch | — | — | 2.285 mm | 0.95 mm | — | — |
| Voltage Tolerance-Max | — | — | 2.4% | — | — | — |
| ## LP2950CDT-3.3 Alternates Showing results | — | — | Image | — | — | — |
| Manufacturer Package Code | — | — | — | SOT-23-3 | KS-5 | — |
| Factory Lead Time | — | — | — | 6 Weeks | — | 15 Weeks |
| Adjustable Threshold | — | — | — | NO | — | — |
| Analog IC - Other Type | — | — | — | VOLTAGE SUPERVISOR/RESET IC | — | — |
| Number of Channels | — | — | — | 1 | — | — |
| Screening Level | — | — | — | TS 16949 | — | — |
| Supply Current-Max (Isup) | — | — | — | 0.02 mA | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | 1 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 3 V | — | — |
| Temperature Grade | — | — | — | AUTOMOTIVE | — | — |
| Threshold Voltage-Nom | — | — | — | +3.08V | — | — |
| Accuracy-Max (Cel) | — | — | — | — | 1 Cel | — |
| Body Breadth | — | — | — | — | 1.25 mm | — |
| Body Height | — | — | — | — | 0.9 mm | — |
| Body Length or Diameter | — | — | — | — | 2 mm | — |
| Housing | — | — | — | — | PLASTIC | — |
| Number of Bits | — | — | — | — | 12 | — |
| Operating Current-Max | — | — | — | — | 0.65 mA | — |
| Output Interface Type | — | — | — | — | 1-WIRE INTERFACE | — |
| Package Shape/Style | — | — | — | — | RECTANGULAR | — |
| Sensors/Transducers Type | — | — | — | — | TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL | — |
| Supply Voltage-Max | — | — | — | — | 5.5 V | — |
| Supply Voltage-Min | — | — | — | — | 3 V | — |
| Termination Type | — | — | — | — | SOLDER | — |
| ## TMP05BKSZ-500RL7 Alternates Showing results | — | — | — | — | Image | — |
| Package Height | — | — | — | — | — | 1.1 mm |
| Package Length | — | — | — | — | — | 4.73 mm |
| Package Width | — | — | — | — | — | 3.41 mm |
| Reference Standard | — | — | — | — | — | AEC-Q200; CUL; TUV; UL |
| Terminal Placement | — | — | — | — | — | DUAL ENDED |
| Thermistor Application | — | — | — | — | — | OVERCURRENT PROTECTION |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for BC817-40-TP — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for BC817-40-TP 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 BC817-40-TP 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 BC817-40-TP?
Known equivalents for BC817-40-TP include CRG0805F120R, LP2950CDT-3.3, MCP102T-315E/TT. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BC817-40-TP?
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 BC817-40-TP 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.