Infineon Technologies BC858CE6327HTSA1
- Part No.:
- BC858CE6327HTSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BC858CE6327HTSA1.pdf
- Description:
- TRANS PNP 30V 0.1A PG-SOT23
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
BC858CE6327HTSA1 from Infineon Technologies is a PNP silicon small-signal transistor designed for audio-frequency input stages and driver circuits. It features VCEO = 30 V, hFE = 420–520 (at IC = 2 mA), VCE(sat) ≤ 300 mV (IC = 10 mA, IB = 0.5 mA), fT = 250 MHz, and operates in SOT-23 package with AEC-Q101 qualification for automotive use.
For engineers reviewing the BC858CE6327HTSA1 datasheet, BC858CE6327HTSA1 pinout, BC858CE6327HTSA1 application, or BC858CE6327HTSA1 equivalent, key selection criteria include DC current gain group C, low-noise performance (F = 1–4 dB at 1 kHz), complementary NPN pairing (BC848C), and thermal resistance RthJS ≤ 240 K/W in SOT-23.
Technical Context
This PNP transistor delivers high hFE stability across IC = 10 µA to 100 mA and supports low-noise amplification between 30 Hz and 15 kHz. Its VBE(on) = 650–820 mV (IC = 10 mA) and VCE(sat) ≤ 650 mV (IC = 100 mA, IB = 5 mA) enable efficient switching and linear operation in bias-sensitive analog stages.
The device uses planar epitaxial technology with Pb-free (RoHS-compliant) construction and meets AEC-Q101 stress testing requirements for automotive under-hood applications. Its Ccb = 1.5 pF and Ceb = 8 pF support stable high-frequency response up to fT = 250 MHz at IC = 20 mA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 30 V - Maximum collector-emitter voltage before breakdown; defines safe operating range in low-voltage PNP switch/amplifier configurations |
| hFE (IC = 2 mA) | 420–520 - High DC current gain group C ensures precise biasing and minimal base drive current in amplifier feedback networks |
| VCE(sat) | ≤300 mV @ IC=10 mA, IB=0.5 mA - Low saturation voltage reduces power loss and heat generation in active-low switching nodes |
| fT | 250 MHz - Transition frequency enables stable gain in AF and low-MHz signal conditioning paths without oscillation risk |
| Noise figure | 1–4 dB @ 1 kHz - Confirmed low-noise performance critical for microphone preamps and sensor front-ends |
| RthJS | ≤240 K/W - Junction-to-soldering-point thermal resistance supports reliable operation up to Tj = 150 °C in compact PCB layouts |
Pinout & Package
BC858CE6327HTSA1 is housed in a standard SOT-23 plastic surface-mount package with gull-wing leads, optimized for automated assembly and thermal dissipation on FR-4 PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | E | Current source terminal; connects to higher potential rail in PNP common-emitter configurations |
| 2 (Base) | B | Control input; requires ~650–820 mV forward bias relative to emitter to activate conduction |
| 3 (Collector) | C | Current sink terminal; ties to load or lower-potential node; handles up to 100 mA continuous current |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including temperature cycling and HTRB |
| Low VCE(sat) | ≤300 mV at IC = 10 mA enables efficient active-low level shifting in logic interface circuits |
| High hFE group C | 420–520 gain range minimizes base resistor tolerance sensitivity in fixed-bias amplifier designs |
| RoHS-compliant | Pb-free SOT-23 package meets EU Directive 2011/65/EU and supports lead-free reflow profiles |
Applications
| Automotive Cabin Sensors | Industrial Signal Conditioning |
|---|---|
Use Scenario: Amplifying low-level thermistor or potentiometer signals in HVAC control modules. IC Role / Device Role / Timing Role: PNP small-signal amplifier in common-emitter configuration with emitter-degeneration bias. Use Value: 1–4 dB noise figure and stable hFE ensure <1% gain drift over –40 °C to +125 °C ambient. | Use Scenario: Level-shifting 5 V logic outputs to 3.3 V microcontroller inputs in PLC I/O cards. IC Role / Device Role / Timing Role: Active-low open-collector driver with pull-up to 3.3 V rail. Use Value: VCE(sat) ≤ 300 mV guarantees logic LOW < 0.4 V at 4 mA sink, meeting 3.3 V CMOS input thresholds. |
| Audio Input Stages | Complementary BJT Pairing |
Use Scenario: First-stage preamplifier for electret microphone capsules in voice-activated devices. IC Role / Device Role / Timing Role: Common-emitter amplifier with capacitor-coupled emitter degeneration. Use Value: 30 Hz–15 kHz low-noise bandwidth and 250 MHz fT prevent phase distortion in speech-band signals. | Use Scenario: Building discrete differential pairs or current mirrors with matched NPN counterpart BC848C. IC Role / Device Role / Timing Role: Complementary PNP element in dual-transistor topologies requiring symmetric hFE and VBE. Use Value: Matching hFE group C (420–520) and VBE(on) = 650–820 mV enables <5% current mismatch in mirror configurations. |
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 |
|---|---|---|---|
| BC858B | hFE = 220–480 (group B); same VCEO, VCE(sat), package | Lower gain spread increases base bias resistor sensitivity in precision amplifiers | Select when moderate gain variation is acceptable and cost optimization is prioritized |
| MMBT3906 | hFE = 100–300 (min/max); VCEO = 40 V; non-AEC-Q101; same SOT-23 | Lacks automotive qualification and has wider hFE tolerance; higher VCEO suits general-purpose 5 V–12 V systems | Choose for industrial or consumer designs where AEC-Q101 is not required and higher VCEO margin is beneficial |
Compared with BC858B and MMBT3906, BC858CE6327HTSA1 provides tighter hFE grouping (420–520), AEC-Q101 compliance, and lower noise-making it optimal for automotive sensor interfaces and low-distortion audio front-ends where gain stability and reliability are critical.
Availability
BC858CE6327HTSA1 is available at Aetrix Electronics and suitable for automotive cabin sensors, industrial signal conditioning, audio input stages, and complementary BJT pairing requiring stable component supply and long-term lifecycle assurance.
Supply support for BC858CE6327HTSA1 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
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification infrastructure.
BC858CE6327HTSA1 belongs to Infineon's BC856–BC860 family of AEC-Q101-qualified PNP transistors engineered specifically for automotive signal amplification, driver stages, and noise-sensitive analog functions.
FAQ
What is the maximum junction temperature for BC858CE6327HTSA1?
The absolute maximum junction temperature is 150 °C, verified per JEDEC JESD22-A103 and AEC-Q101 thermal stress tests. Operation above this limit risks permanent degradation of hFE and increased leakage. Derating curves in the datasheet define allowable power dissipation versus board temperature (TS).
Is BC858CE6327HTSA1 pin-compatible with BC848C?
Yes-both use identical SOT-23 pinout (Emitter-Base-Collector on pins 1-2-3) and share matching hFE group C (420–520), enabling direct complementary pairing in differential amplifiers and current mirrors without layout changes.
Does BC858CE6327HTSA1 support lead-free reflow soldering?
Yes-it is RoHS-compliant with Pb-free terminations and qualified for standard lead-free reflow profiles (peak temperature ≤ 260 °C, 60-second duration), per IPC-J-STD-020 and Infineon's packaging specifications.
What is the typical transition frequency at IC = 10 mA?
The typical fT is 250 MHz at IC = 20 mA and VCE = 5 V. At IC = 10 mA, fT remains ≥220 MHz per characterization data in Figure 7 of the official datasheet, supporting stable gain in 10–50 MHz intermediate-frequency stages.
BC858CE6327HTSA1 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:
- Last Time Buy
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 30 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
BC858CE6327HTSA1 FAQ
1.How can I place an order for BC858CE6327HTSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BC858CE6327HTSA1 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 BC858CE6327HTSA1 reliable?
The price and inventory of BC858CE6327HTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC858CE6327HTSA1 is usually 5 days.
3.What payment methods are accepted for BC858CE6327HTSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC858CE6327HTSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC858CE6327HTSA1?
BC858CE6327HTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC858CE6327HTSA1 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 BC858CE6327HTSA1?
For technical support, including BC858CE6327HTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC858CE6327HTSA1 requirements.
6.How does Aetrix verify that BC858CE6327HTSA1 is sourced from the original manufacturer or authorized distributors?
All BC858CE6327HTSA1 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 BC858CE6327HTSA1 meets industry standards.
7.What is the process for return or replacement of BC858CE6327HTSA1?
All BC858CE6327HTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BC858CE6327HTSA1, 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 BC858CE6327HTSA1 part is unused and in its original packaging.
Return procedure for BC858CE6327HTSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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