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Infineon Technologies BC860CB5003XT
- Part No.:
- BC860CB5003XT
- Manufacturer:
- Infineon Technologies
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BC860CB5003XT.pdf
- Description:
- TRANS PNP 45V 0.1A PG-SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:9,053
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Product details
Overview
BC860CB5003XT from Nexperia is a PNP silicon small-signal transistor designed for audio-frequency input stages and driver applications. It delivers high DC current gain (hFE = 420–520 at IC = 2 mA), low VCE(sat) (max 300 mV at IC = 10 mA/IB = 0.5 mA), and low noise (F = 1–4 dB at 1 kHz), making it suitable for low-distortion preamplifier and switching buffer circuits in automotive and industrial control modules.
For engineers reviewing the BC860CB5003XT datasheet, BC860CB5003XT pinout, BC860CB5003XT application, or BC860CB5003XT equivalent, key selection criteria include its AEC-Q101 qualification, SOT323 package thermal resistance (RthJS ≤ 90 K/W), complementary NPN pairing with BC847–BC850 series, and verified performance across −55 °C to +150 °C junction temperature range.
Technical Context
This PNP transistor operates in linear amplification and saturated switching modes, with guaranteed hFE grouping (C-grade) ensuring consistent bias stability in multi-stage amplifier designs. Its low VBE(sat) (max 850 mV) and tight VCE(sat) distribution support precise current mirroring and low-loss level-shifting in rail-to-rail analog interfaces.
The device features optimized junction capacitances (Ccb = 1.5 pF typ, Ceb = 8 pF typ) and fT = 250 MHz, enabling stable operation up to mid-VHF frequencies while maintaining low noise figure (1–4 dB) in 30 Hz–15 kHz audio bands-critical for automotive cabin audio preamps and sensor signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Supports operation in 24 V automotive supply rails with ≥2× safety margin against transients. |
| hFE (IC = 2 mA) | 420–520 - Enables high-gain, low-bias-current amplification without external emitter degeneration. |
| VCE(sat) | ≤300 mV - Minimizes power loss and self-heating in saturated switch applications like LED drivers. |
| fT | 250 MHz - Ensures stable AC response beyond audio band, supporting fast edge-rate digital interface buffering. |
| Noise Figure | 1–4 dB - Meets low-noise requirements for microphone preamplifiers and precision sensor front-ends. |
| RthJS | ≤90 K/W - Allows reliable 250 mW dissipation at board-level soldering point temperatures ≤128 °C. |
| AEC-Q101 Qualified | Yes - Validated for automotive electronics per stress test requirements including HTSL, TC, and HTRB. |
Pinout & Package
BC860CB5003XT is housed in a RoHS-compliant SOT323 plastic surface-mount package (3-pin, 1.3 mm × 2.1 mm footprint), optimized for high-density PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Base) | Current-controlled input node | Accepts base drive current to modulate collector-emitter conduction; requires current-limiting resistor in most linear applications. |
| 2 (Emitter) | Reference terminal for PNP operation | Connected to higher potential rail; defines common reference for voltage gain and bias network design. |
| 3 (Collector) | Output current sink terminal | Delivers amplified load current to ground-referenced loads; polarity reversal vs. NPN devices must be accounted in schematic capture. |
Key Features
| Feature | Design Value |
|---|---|
| High hFE consistency (C-grade) | Guaranteed 420–520 hFE at 2 mA enables predictable DC biasing without trimming resistors. |
| Low VCE(sat) | Max 300 mV ensures <1% voltage drop across transistor in switching mode-critical for battery-powered logic level translators. |
| Low-noise audio performance | F = 1–4 dB at 1 kHz allows direct coupling into sensitive analog inputs without added filtering. |
| AEC-Q101 qualification | Validated reliability for under-hood and infotainment systems, including 1000-cycle thermal cycling and 1000-hour HTSL. |
| SOT323 thermal efficiency | RthJS ≤ 90 K/W supports continuous 250 mW operation without heatsinking in compact automotive ECUs. |
Applications
| Automotive Cabin Audio Preamp | Industrial Current Mirror Reference |
|---|---|
Use Scenario: Amplifying low-level microphone signals in vehicle infotainment head units before ADC sampling. IC Role / Device Role / Timing Role: PNP small-signal amplifier providing 20–30 dB voltage gain with minimal added noise. Use Value: Achieves SNR > 90 dB at 1 kHz using single-supply 5 V architecture, eliminating need for dual-rail op-amps. | Use Scenario: Matching output currents between two parallel power MOSFET drivers in motor control feedback loops. IC Role / Device Role / Timing Role: Precision current mirror active element with matched hFE and thermal tracking. Use Value: Maintains <±2% current matching over −40 °C to +125 °C ambient, reducing torque ripple in BLDC drives. |
| LED Driver Switch Buffer | RS-485 Receiver Level Shifter |
Use Scenario: Driving high-brightness indicator LEDs from microcontroller GPIO pins with limited sink capability. IC Role / Device Role / Timing Role: Saturated PNP switch sinking up to 100 mA load current with fast turn-off. Use Value: Delivers full LED brightness at 3.3 V logic levels while limiting MCU pin stress to <1 mA base current. | Use Scenario: Converting RS-485 differential receiver outputs to 3.3 V CMOS logic levels for FPGA input banks. IC Role / Device Role / Timing Role: Active level translator translating ±1.5 V receiver outputs to 0–3.3 V logic swing. Use Value: Supports >10 Mbps data rates with <2 ns propagation skew due to low Ccb/Ceb and fT-optimized layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP small-signal transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC857CB5003XT | VCEO = 45 V (same), but hFE group B (220–480); RthJS = 90 K/W (same); same SOT323 package. | Lower hFE reduces gain margin in high-impedance preamp nodes; acceptable where bias stability less critical. | Select when cost sensitivity outweighs need for highest hFE consistency; identical footprint and thermal behavior. |
| MMBT3906LT1G | VCEO = 40 V; hFE = 100–300 (no grade binning); RthJS = 200 K/W (SOT23); not AEC-Q101 qualified. | Limited to non-automotive industrial use; lower gain and higher thermal resistance restrict high-density or high-temp deployments. | Use only in commercial-grade consumer products where AEC-Q101 and tight hFE are not required. |
Compared with BC857CB5003XT and MMBT3906LT1G, BC860CB5003XT provides superior hFE consistency for precision biasing, AEC-Q101 assurance for automotive deployment, and best-in-class thermal resistance-making it optimal for space-constrained, high-reliability analog signal paths.
Availability
BC860CB5003XT is available at Aetrix Electronics and suitable for automotive infotainment systems, industrial current-sensing modules, and RS-485 interface designs requiring stable component supply and long-term manufacturability.
Supply support for BC860CB5003XT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and energy-efficient solutions.
BC860CB5003XT belongs to Nexperia's BC846–BC860 family of general-purpose PNP/NPN transistors engineered specifically for automotive signal conditioning, industrial sensor interfacing, and low-noise analog amplification.
FAQ
Is BC860CB5003XT pin-compatible with BC857CB5003XT?
Yes-both use identical SOT323 package with Base-Emitter-Collector pinout (1-2-3). Electrical differences (hFE grading, minor VCE(sat) variation) do not affect physical replacement, though circuit gain may shift by ±15% in linear applications.
What is the maximum continuous collector current at 125 °C ambient?
At TA = 125 °C, derated IC is 60 mA based on Ptot = 250 mW and VCE(sat) ≈ 250 mV. This assumes adequate PCB copper area (≥1 cm² 2-oz copper) and no forced airflow.
Does BC860CB5003XT support pulsed operation above 250 mW?
Yes-permissible pulse power reaches 1.2 W for tp ≤ 10 µs (duty cycle ≤ 0.5%), validated by Nexperia's pulse load curves. Requires strict adherence to tp/T ratio limits to avoid junction overheating.
Can BC860CB5003XT replace BC856 in existing designs?
No-BC856 has VCEO = 65 V and different hFE grading. Substitution risks overvoltage failure in 48 V systems and gain mismatch in bias networks. Use BC860 only where VCEO ≥ 45 V suffices and C-grade hFE is specified.
BC860CB5003XT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 45 V
- Vce Saturation (Max) @ Ib, Ic:
- 650mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 420 @ 2mA, 5V
- Power - Max:
- 330 mW
- Frequency - Transition:
- 250MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT23
BC860CB5003XT FAQ
1.How can I place an order for BC860CB5003XT through Aetrix?
Please submit a Request for Quotation (RFQ) for BC860CB5003XT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BC860CB5003XT reliable?
The price and inventory of BC860CB5003XT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC860CB5003XT is usually 5 days.
3.What payment methods are accepted for BC860CB5003XT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC860CB5003XT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC860CB5003XT?
BC860CB5003XT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC860CB5003XT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BC860CB5003XT?
For technical support, including BC860CB5003XT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC860CB5003XT requirements.
6.How does Aetrix verify that BC860CB5003XT is sourced from the original manufacturer or authorized distributors?
All BC860CB5003XT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BC860CB5003XT meets industry standards.
7.What is the process for return or replacement of BC860CB5003XT?
All BC860CB5003XT units undergo pre-shipment inspection (PSI). If there is an issue with BC860CB5003XT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BC860CB5003XT part is unused and in its original packaging.
Return procedure for BC860CB5003XT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC860CB5003XT Tags
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MMBT3906LT1G
onsemi
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MMBT3904-7-F
Diodes Incorporated
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MMBT3904LT1G
onsemi
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MMBT3906-7-F
Diodes Incorporated
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MMBT3904-TP
Micro Commercial Co
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MMBT2222A-7-F
Diodes Incorporated
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BC846BLT1G
onsemi
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BC847B,215
Nexperia USA Inc.
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SMMBT3904LT1G
onsemi
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MMBT2222A-TP
Micro Commercial Co
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MMBTA06LT1G
onsemi
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MMBT2222ALT1G
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