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Infineon Technologies BC847BWH6433XTMA1
- Part No.:
- BC847BWH6433XTMA1
- Manufacturer:
- Infineon Technologies
- Category:
- Single Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
BC847BWH6433XTMA1.pdf
- Description:
- TRANS NPN 45V 0.1A PG-SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:6,437
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Product details
Overview
BC847BWH6433XTMA1 from Nexperia is an NPN silicon general-purpose bipolar junction transistor (BJT) designed for audio-frequency input stages and driver applications. It delivers high DC current gain (hFE = 200–450 at IC = 2 mA), low VCE(sat) (≤250 mV at IC = 10 mA / IB = 0.5 mA), and low noise (F = 1.2–4 dB at 1 kHz), enabling precision amplification in compact signal-chain designs.
For engineers reviewing the BC847BWH6433XTMA1 datasheet, BC847BWH6433XTMA1 pinout, BC847BWH6433XTMA1 application, or BC847BWH6433XTMA1 equivalent, key selection criteria include its AEC-Q101 qualification, SOT323 (SC-70) package footprint, 45 V VCEO, 100 mA IC, and verified low-noise performance in 30 Hz–15 kHz band.
Technical Context
This transistor operates as a linear active device in common-emitter configuration, with base-controlled current amplification governed by hFE groups (B-grade: 200–450). Its low VBE(sat) (700–900 mV) and tight VCE(sat) tolerance support efficient switching in low-voltage logic interfaces.
Thermal design relies on RthJS = 250 K/W (SOT323), requiring careful PCB copper area planning for continuous 100 mA operation. The device's fT = 250 MHz and Ccb = 0.95 pF enable stable gain up to mid-VHF, while Ceb = 9 pF defines input impedance in amplifier bias networks.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 45 V - Maximum safe collector-emitter voltage before breakdown in open-base condition; sets upper rail limit for 3.3 V/5 V analog stages. |
| hFE (IC = 2 mA) | 200–450 - Confirmed DC current gain range for B-grade; enables predictable biasing in emitter-follower or preamp topologies. |
| VCE(sat) | ≤250 mV @ IC = 10 mA / IB = 0.5 mA - Low saturation voltage reduces power loss and improves efficiency in digital switching or level-shifting circuits. |
| fT | 250 MHz - Transition frequency confirms usable gain-bandwidth for audio and low-speed data buffering (e.g., RS-232 line drivers). |
| Noise Figure | 1.2–4 dB @ 1 kHz - Verified low-noise performance critical for microphone preamps and sensor front-ends operating in 30 Hz–15 kHz band. |
| Ptot | 250 mW @ TS ≤ 128 °C - Power dissipation limit under defined heatsinking; requires ≥20 mm² 1-oz copper pad for full-rated operation. |
Pinout & Package
BC847BWH6433XTMA1 is housed in a RoHS-compliant SOT323 (SC-70) plastic surface-mount package, measuring 2.1 × 1.25 × 0.95 mm with gull-wing leads. Thermal resistance RthJS = 250 K/W supports moderate-power analog use with standard PCB layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current sink terminal | Reference node for bias network; connects to ground or negative rail in CE amplifiers. |
| 2 (Base) | Control input | Receives current-limited drive; requires series resistor to set IB and prevent thermal runaway. |
| 3 (Collector) | Current source terminal | Drives load or next stage; voltage swing limited by VCEO = 45 V and thermal derating. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress-test requirements (HTOL, TC, HAST), supporting under-hood and infotainment applications. |
| Low VCE(sat) | 250 mV max ensures <1% voltage drop across transistor in saturated switch mode, preserving headroom in 3.3 V logic interfaces. |
| High hFE consistency | B-grade binning (200–450) reduces need for trim resistors in production amplifiers, improving yield and stability. |
| Low-noise operation | 1.2 dB typical noise figure at 1 kHz enables direct coupling in electret microphone preamplifiers without added filtering. |
Applications
| Audio Preamp Stage | Logic Level Shifter |
|---|---|
Use Scenario: Amplifying weak signals from electret microphones or piezoelectric sensors in portable voice recorders. IC Role / Device Role / Timing Role: NPN BJT configured as common-emitter amplifier with fixed-bias or emitter-degeneration topology. Use Value: 1.2 dB noise figure and 250 MHz fT preserve SNR and bandwidth across 30 Hz–15 kHz audio band without external compensation. | Use Scenario: Translating 1.8 V GPIO outputs to 3.3 V or 5 V logic levels for MCU-to-peripheral communication. IC Role / Device Role / Timing Role: Single-transistor level translator operating in saturation/cutoff modes. Use Value: VCE(sat) ≤250 mV ensures output high-level remains >95% of target rail, meeting VIH/VIL margins for TTL and CMOS loads. |
| Automotive Sensor Interface | LED Driver (Low-Power) |
Use Scenario: Conditioning analog outputs from temperature or pressure sensors in engine control units (ECUs). IC Role / Device Role / Timing Role: Linear amplifier or current-source driver in AEC-Q101-compliant signal conditioning path. Use Value: Qualified per AEC-Q101 and rated for Tj = 150 °C, enabling reliable operation in under-hood environments up to 125 °C ambient. | Use Scenario: Driving indicator LEDs or status backlighting in industrial HMIs and consumer panels. IC Role / Device Role / Timing Role: Low-side switch controlling LED anode via collector connection. Use Value: 100 mA IC rating and 250 mW Ptot support sustained 20 mA LED currents with margin for pulse dimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN general-purpose transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847BW,115 | SOT323 package, same hFE grade B, but VCEO = 45 V and Ptot = 250 mW identical; differs only in marking and reel packaging. | No functional difference; suitable for identical board layouts and thermal designs. | Select when standard tape-and-reel delivery (10,000 pcs/reel) is required over custom packaging. |
| MMBT3904LT1G | Higher VCEO = 40 V (vs. 45 V), lower hFE min = 100, and higher VCE(sat) = 300 mV; SOT23 package (larger footprint). | Less suitable for low-noise audio due to higher noise figure (~5 dB); acceptable for digital switching where gain tolerance is relaxed. | Choose only if SOT23 footprint compatibility is mandatory and noise performance is non-critical. |
Compared with BC847BW,115, BC847BWH6433XTMA1 offers identical electrical specs and form factor but with traceable lot control and automotive-grade documentation. Against MMBT3904LT1G, it provides superior noise, tighter hFE, and smaller SOT323 footprint-critical for space-constrained audio and automotive signal chains.
Availability
BC847BWH6433XTMA1 is available at Aetrix Electronics and suitable for automotive sensor interfaces, portable audio preamplifiers, and industrial logic-level translation requiring stable component supply and AEC-Q101 compliance.
Supply support for BC847BWH6433XTMA1 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 essential efficiency-enhancing components, delivering high-volume, high-reliability discrete and logic devices.
BC847BWH6433XTMA1 belongs to the BC846–BC850 family of general-purpose NPN transistors engineered for audio-frequency amplification, switching, and interface functions in cost-sensitive, space-constrained applications.
FAQ
Is BC847BWH6433XTMA1 pin-compatible with BC847B,115?
Yes-both use identical SOT323 (SC-70) package with emitter-base-collector pinout (1-2-3). Mechanical dimensions, solder pad layout, and thermal pad requirements match exactly, enabling direct PCB substitution without redesign.
What is the maximum continuous collector current at 85 °C ambient?
At TA = 85 °C, derating applies: Ptot drops to ~180 mW (per thermal curve Fig. 8), limiting IC to approximately 75 mA with VCE = 2.5 V to stay within safe SOA limits and avoid secondary breakdown.
Does this part support pulsed operation beyond 100 mA?
Yes-peak collector current ICM = 200 mA is rated for pulses ≤10 ms with duty cycle ≤2%. Pulse capability is validated per Fig. 8 (Permissible Pulse Load), requiring strict adherence to tp and D constraints to prevent junction overheating.
How does the AEC-Q101 qualification impact reliability testing?
AEC-Q101 certification mandates stress tests including 1000-cycle temperature cycling (−40 °C to +125 °C), 1000 h HTOL at 150 °C, and unbiased HAST. This ensures >10-year field life in automotive environments, with failure-in-time (FIT) rate <100 for BC847BWH6433XTMA1.
BC847BWH6433XTMA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- -
- Package/Case:
- SC-70, SOT-323
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 45 V
- Vce Saturation (Max) @ Ib, Ic:
- 600mV @ 5mA, 100mA
- Current - Collector Cutoff (Max):
- 15nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 2mA, 5V
- Power - Max:
- 250 mW
- Frequency - Transition:
- 250MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT323
BC847BWH6433XTMA1 FAQ
1.How can I place an order for BC847BWH6433XTMA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BC847BWH6433XTMA1 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 BC847BWH6433XTMA1 reliable?
The price and inventory of BC847BWH6433XTMA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BC847BWH6433XTMA1 is usually 5 days.
3.What payment methods are accepted for BC847BWH6433XTMA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BC847BWH6433XTMA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BC847BWH6433XTMA1?
BC847BWH6433XTMA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BC847BWH6433XTMA1 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 BC847BWH6433XTMA1?
For technical support, including BC847BWH6433XTMA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BC847BWH6433XTMA1 requirements.
6.How does Aetrix verify that BC847BWH6433XTMA1 is sourced from the original manufacturer or authorized distributors?
All BC847BWH6433XTMA1 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 BC847BWH6433XTMA1 meets industry standards.
7.What is the process for return or replacement of BC847BWH6433XTMA1?
All BC847BWH6433XTMA1 units undergo pre-shipment inspection (PSI). If there is an issue with BC847BWH6433XTMA1, 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 BC847BWH6433XTMA1 part is unused and in its original packaging.
Return procedure for BC847BWH6433XTMA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BC847BWH6433XTMA1 Tags
-
MMBT3906LT1G
onsemi
-
MMBT3904-7-F
Diodes Incorporated
-
MMBT3904LT1G
onsemi
-
MMBT3906-7-F
Diodes Incorporated
-
MMBT3904-TP
Micro Commercial Co
-
MMBT2222A-7-F
Diodes Incorporated
-
BC846BLT1G
onsemi
-
BC847B,215
Nexperia USA Inc.
-
SMMBT3904LT1G
onsemi
-
MMBT2222A-TP
Micro Commercial Co
-
MMBTA06LT1G
onsemi
-
MMBT2222ALT1G
onsemi
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