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Infineon Technologies BCR 119 E6433

Part No.:
BCR 119 E6433
Manufacturer:
Infineon Technologies
Category:
Single, Pre-Biased Bipolar Transistors
Package:
TO-236-3, SC-59, SOT-23-3
Datasheet:
AetrixBCR 119 E6433.pdf
Description:
TRANS PREBIAS NPN 50V SOT23
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:6,283

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Product details

Overview

BCR 119 E6433 from Infineon Technologies is an NPN silicon digital transistor with integrated 4.7 kΩ base resistor, designed for switching, inverter, interface, and driver circuits in automotive and industrial control systems. It features VCEO = 50 V, IE = 100 mA, hFE = 120–630, VCE(sat) ≤ 0.3 V at IC = 10 mA/IB = 0.5 mA, and is AEC-Q101 qualified.

For engineers reviewing the BCR 119 E6433 datasheet, BCR 119 E6433 pinout, BCR 119 E6433 application, or BCR 119 E6433 equivalent, this part serves as a single-element, RoHS-compliant, SOT23-packaged digital transistor optimized for low-power logic-level interfacing and load switching with built-in biasing.

Technical Context

This device integrates a monolithic NPN transistor with a precision 4.7 kΩ input resistor (R1 = 3.2–6.2 kΩ), enabling direct TTL/CMOS logic-level drive without external bias components. Its common-emitter configuration supports DC switching with guaranteed Vi(on) ≤ 1.1 V and Vi(off) ≥ 0.4 V at specified test conditions.

Thermal performance is defined by RthJS ≤ 240 K/W (SOT23), junction temperature up to 150 °C, and pulse operation support per duty cycle and pulse width curves. It operates across –65 °C to +150 °C storage range and meets automotive reliability standards.

Key Specifications

ParameterValue and Actual Design Meaning
VCEO50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive and 3.3/5 V logic-driven 48 V subsystems.
IE100 mA - Absolute maximum DC emitter current; suitable for driving LEDs, small relays, and MOSFET gates.
hFE120–630 - DC current gain at IC = 5 mA/VCE = 5 V; ensures reliable saturation under varying temperature and process conditions.
VCE(sat)≤ 0.3 V - Low saturation voltage at IC = 10 mA/IB = 0.5 mA; minimizes power loss and self-heating in switching mode.
R14.7 kΩ (3.2–6.2 kΩ) - Integrated base resistor; eliminates need for external bias network in standard logic-to-transistor interfaces.
fT150 MHz - Transition frequency at IC = 10 mA/VCE = 5 V; supports fast edge transitions in digital signal routing.
Ptot200 mW - Total power dissipation at TS ≤ 102 °C (SOT23); defines thermal derating envelope for PCB layout planning.

Pinout & Package

BCR 119 E6433 is housed in a Pb-free, RoHS-compliant SOT23 package (JEDEC TO-236AB), with standardized 3-pin lead frame and 1.3 mm pitch. Pin 1 = Base (B), Pin 2 = Emitter (E), Pin 3 = Collector (C).

Pin/TerminalCircuit RoleDesign Meaning
1 (B)Input terminal with internal R1 connectionAccepts logic-level input; R1 provides current-limited base drive-no external resistor required for TTL/CMOS compatibility.
2 (E)Emitting terminal / reference nodeConnected to system ground or low-side return path; forms common-emitter switching node with collector output.
3 (C)Output terminal / switched load connectionDrives resistive, inductive, or capacitive loads; rated for 50 V and 100 mA continuous DC operation.

Key Features

FeatureDesign Value
Integrated base resistor4.7 kΩ ±30% - Enables direct logic-level drive without external bias components, reducing BOM count and layout area.
AEC-Q101 qualificationQualified for automotive applications - guarantees reliability under temperature cycling, humidity, and mechanical stress per automotive grade requirements.
Low VCE(sat)≤ 0.3 V at IC/IB = 20 - Ensures minimal conduction loss and stable on-state behavior across operating temperature range (–40 °C to +125 °C).
High fT150 MHz - Supports clean switching of digital signals up to ~10–15 MHz with controlled rise/fall times.

Applications

Automotive Body Control ModuleIndustrial PLC Input Stage

Use Scenario: Driving LED status indicators and small solenoids in door modules and lighting controllers.

IC Role / Device Role / Timing Role: Digital switch translating microcontroller GPIO outputs into load-current paths.

Use Value: Eliminates discrete base resistor placement; reduces PCB footprint and assembly cost while maintaining AEC-Q101 compliance.

Use Scenario: Level-shifting 24 V sensor inputs to 3.3 V/5 V microcontroller I/O pins in programmable logic controllers.

IC Role / Device Role / Timing Role: Interface transistor providing galvanic isolation and voltage translation between field-side and logic-side circuits.

Use Value: Built-in R1 ensures consistent turn-on threshold across temperature; VCEO = 50 V accommodates transient surges in industrial environments.

Consumer Appliance Motor DriverIoT Sensor Node Power Switch

Use Scenario: Controlling small DC fan motors and buzzer actuators in white goods and HVAC controls.

IC Role / Device Role / Timing Role: Low-side switch enabling PWM-controlled motor speed regulation via MCU output.

Use Value: VCE(sat) ≤ 0.3 V limits heat generation during continuous PWM operation; SOT23 allows compact placement near motor drivers.

Use Scenario: Enabling/disabling peripheral sensors (e.g., temperature, motion) to extend battery life in wireless sensor nodes.

IC Role / Device Role / Timing Role: Load switch isolating power domains under firmware control.

Use Value: Low ICEO and IEBO (<100 nA) minimize standby leakage; RoHS-compliant packaging meets environmental certification for IoT deployments.

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital transistor applications.

Alternative PartTechnical DifferenceApplication DifferenceSelection Advice
BC847B,115 (Nexperia)Standard NPN BJT without integrated resistor; requires external base bias network.Used where adjustable gain or precise biasing is needed; not drop-in for logic-driven switching.Select when design requires tunable hFE or multi-stage amplification-not for direct logic interface.
MMBT3904LT1G (ON Semiconductor)General-purpose NPN transistor; no built-in resistor; higher VCEO (40 V) but lower max IE (200 mA).Common in non-automotive consumer electronics; lacks AEC-Q101 qualification and integrated R1.Choose for cost-sensitive, non-automotive applications where external biasing is acceptable and qualification is not required.

Compared with BC847B and MMBT3904LT1G, BCR 119 E6433 delivers plug-and-play logic interfacing with guaranteed Vi(on)/Vi(off), automotive qualification, and reduced component count-making it optimal for space-constrained, high-reliability switching where base resistor integration adds value.

Availability

BCR 119 E6433 is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC input stages, and IoT sensor node power switches requiring stable component supply, long-term lifecycle support, and AEC-Q101 compliance.

Supply support for BCR 119 E6433 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 certifications including IATF 16949.

BCR 119 belongs to Infineon's digital transistor product line, engineered specifically for logic-level interfacing and load switching in automotive and industrial environments where reliability, integration, and qualification are critical.

FAQ

Is BCR 119 E6433 pin-compatible with standard SOT23 NPN transistors like BC847?

No. While both use SOT23 packages, BCR 119 E6433 has Pin 1 = Base (with internal resistor), Pin 2 = Emitter, Pin 3 = Collector. Standard BC847 variants use Pin 1 = Emitter, Pin 2 = Base, Pin 3 = Collector. Physical pinout differs, and electrical behavior is not interchangeable without circuit redesign.

What is the maximum allowable input voltage at the base terminal (Pin 1)?

The absolute maximum input voltage at Pin 1 is limited by Vi(rev) = 5 V (reverse) and Vi(fwd) = 30 V (forward). For safe operation, keep input voltage within 0–5 V for logic-level drive; exceeding 5 V forward risks damaging the integrated resistor or junction.

Does BCR 119 E6433 support PWM switching at frequencies above 10 kHz?

Yes. With fT = 150 MHz and VCE(sat) stable up to 125 °C, it supports PWM switching well beyond 10 kHz. Measured VCE(sat) vs. IC curves confirm consistent on-state behavior up to at least 50 kHz under typical load conditions and thermal limits.

Can BCR 119 E6433 replace a discrete BJT + resistor pair in an existing design?

Yes-if the original design uses an NPN transistor with ~4.7 kΩ base resistor and operates within VCEO ≤ 50 V and IE ≤ 100 mA. Verify pinout alignment (SOT23 base-first vs. emitter-first), ensure thermal margin given Ptot = 200 mW, and confirm logic thresholds match Vi(on)/Vi(off) specs.

BCR 119 E6433 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:
Obsolete
Transistor Type:
NPN - Pre-Biased
Current - Collector (Ic) (Max):
100 mA
Voltage - Collector Emitter Breakdown (Max):
50 V
Resistor - Base (R1):
4.7 kOhms
Resistor - Emitter Base (R2):
-
DC Current Gain (hFE) (Min) @ Ic, Vce:
120 @ 5mA, 5V
Vce Saturation (Max) @ Ib, Ic:
300mV @ 500µA, 10mA
Current - Collector Cutoff (Max):
100nA (ICBO)
Frequency - Transition:
150 MHz
Power - Max:
200 mW
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:
PG-SOT23

BCR 119 E6433 FAQ

1.How can I place an order for BCR 119 E6433 through Aetrix?

Please submit a Request for Quotation (RFQ) for BCR 119 E6433 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 BCR 119 E6433 reliable?

The price and inventory of BCR 119 E6433 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCR 119 E6433 is usually 5 days.

3.What payment methods are accepted for BCR 119 E6433?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCR 119 E6433 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BCR 119 E6433?

BCR 119 E6433 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BCR 119 E6433 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 BCR 119 E6433?

For technical support, including BCR 119 E6433 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCR 119 E6433 requirements.

6.How does Aetrix verify that BCR 119 E6433 is sourced from the original manufacturer or authorized distributors?

All BCR 119 E6433 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 BCR 119 E6433 meets industry standards.

7.What is the process for return or replacement of BCR 119 E6433?

All BCR 119 E6433 units undergo pre-shipment inspection (PSI). If there is an issue with BCR 119 E6433, 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 BCR 119 E6433 part is unused and in its original packaging.

Return procedure for BCR 119 E6433:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

BCR 119 E6433 Tags

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