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Infineon Technologies BCR148WE6327BTSA1
- Part No.:
- BCR148WE6327BTSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Single, Pre-Biased Bipolar Transistors
- Package:
- SC-70, SOT-323
- Datasheet:
-
BCR148WE6327BTSA1.pdf
- Description:
- TRANS PREBIAS NPN 50V SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:9,400
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Product details
Overview
BCR148WE6327BTSA1 from Infineon Technologies is an NPN silicon digital transistor with integrated bias resistors (R1 = R2 = 47 kΩ), designed for switching, inverting, and interface driver functions in automotive and industrial control circuits. It features VCEO = 50 V, IC = 100 mA, VCE(sat) ≤ 0.3 V at IC/IB = 20, hFE ≥ 70, and AEC-Q101 qualification.
For engineers reviewing the BCR148WE6327BTSA1 datasheet, BCR148WE6327BTSA1 pinout, BCR148WE6327BTSA1 application, or BCR148WE6327BTSA1 equivalent, key selection criteria include input threshold voltage (Vi(on) = 1–3 V), built-in resistor matching (R1/R2 = 0.9–1.1), thermal resistance (RthJS ≤ 105 K/W), and SOT323 package compatibility with space-constrained PCB layouts.
Technical Context
This digital transistor integrates two matched on-chip resistors to enable single-pin base drive-eliminating external bias components. Its common-emitter configuration supports direct logic-level interfacing with microcontrollers and gate drivers.
The device operates across –65 °C to +150 °C junction temperature range and delivers stable VCE(sat) ≤ 0.3 V up to 125 °C, with fT = 100 MHz ensuring adequate bandwidth for fast-switching applications such as LED dimming and relay driving.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V automotive supply rails with margin. |
| IC | 100 mA - Continuous collector current rating; supports driving small relays, LEDs, or logic inputs. |
| VCE(sat) | ≤ 0.3 V @ IC = 10 mA, IB = 0.5 mA - Low saturation voltage minimizes power loss and self-heating in switching mode. |
| hFE | ≥ 70 @ IC = 5 mA, VCE = 5 V - Sufficient DC gain for reliable turn-on with standard GPIO drive strength. |
| R1 / R2 | 47 kΩ ±30% each; ratio 0.9–1.1 - Ensures consistent input biasing and predictable switching thresholds across temperature. |
| fT | 100 MHz - Supports switching frequencies up to ~10 MHz with acceptable gain roll-off in high-speed digital interfaces. |
| RthJS | ≤ 105 K/W - Thermal resistance from junction to solder point; enables 250 mW dissipation at TS ≤ 124 °C in SOT323. |
Pinout & Package
BCR148WE6327BTSA1 is housed in a RoHS-compliant SOT323 (SC-70) surface-mount package, measuring 2.13 × 1.3 × 0.9 mm, optimized for automated placement and reflow soldering in high-density automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (B) | Base | Input node connected internally to R1 and R2; accepts logic-level signals without external pull-up/down. |
| 2 (E) | Emitter | Common emitter terminal; referenced to ground or low-side return path in switching configurations. |
| 3 (C) | Collector | Output node switched to load; connects to VCC-side of LED, relay coil, or MOSFET gate. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Dual 47 kΩ resistors eliminate need for external base bias components, reducing BOM count and layout area. |
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and ADAS sensor interfaces. |
| Low VCE(sat) | ≤ 0.3 V ensures <10 mW conduction loss at 10 mA load, critical for thermally constrained modules. |
| Wide operating temperature | Rated from –65 °C to +150 °C junction, supporting under-hood and industrial ambient conditions. |
| Pb-free SOT323 package | Compatible with lead-free reflow profiles and meets RoHS Directive 2011/65/EU requirements. |
Applications
| Automotive Body Control Module | Industrial PLC Input Stage |
|---|---|
Use Scenario: Driving indicator LEDs and solenoid valves in door latch and lighting control units. IC Role / Device Role / Timing Role: Digital switch translating 3.3 V/5 V MCU outputs into 12–24 V load control signals. Use Value: Built-in R1/R2 ensures consistent turn-on at cold start (–40 °C) and eliminates resistor drift-related timing variation. | Use Scenario: Level-shifting and isolation between 24 V field sensors and 3.3 V FPGA I/O banks. IC Role / Device Role / Timing Role: Interface buffer providing galvanic separation and current gain for dry-contact inputs. Use Value: VCEO = 50 V withstands inductive kickback from proximity sensors; hFE ≥ 70 guarantees full saturation with 1 mA GPIO drive. |
| Smart Home Actuator Driver | Medical Diagnostic Equipment Interface |
Use Scenario: Controlling small DC motors and piezo buzzers in battery-powered thermostats and HVAC controllers. IC Role / Device Role / Timing Role: Low-power switching element enabling duty-cycled operation with minimal standby current. Use Value: IEBO ≤ 164 µA prevents false triggering during sleep mode; RthJS ≤ 105 K/W sustains 250 mW at board temperatures up to 124 °C. | Use Scenario: Isolating microcontroller pins from high-voltage patient-monitoring signal paths. IC Role / Device Role / Timing Role: Safe, low-leakage switch decoupling digital control lines from analog front-end stages. Use Value: ICBO ≤ 100 nA and IEBO ≤ 164 µA minimize leakage-induced offset errors in precision amplifiers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital transistor switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847BW,115 | No integrated bias resistors; requires external RB for base drive. | Higher design flexibility but increases component count and layout area. | Select when precise bias tuning or adjustable gain is required. |
| NSVD120DP03MX | Higher VCEO = 80 V; R1 = 100 kΩ, R2 = open; not matched. | Better suited for 48 V industrial systems but lacks resistor matching for precision threshold control. | Select for higher-voltage rails where R1/R2 ratio tolerance is noncritical. |
Compared with BC847BW and NSVD120DP03MX, BCR148WE6327BTSA1 provides guaranteed resistor matching (R1/R2 = 0.9–1.1), lower thermal resistance (105 K/W vs. ≥150 K/W), and AEC-Q101 certification-making it optimal for automotive-grade compact switching where reliability and footprint matter.
Availability
BCR148WE6327BTSA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, smart home actuator drivers, and medical diagnostic equipment interfaces requiring stable component supply and long-term lifecycle support.
Supply support for BCR148WE6327BTSA1 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.
BCR148WE6327BTSA1 belongs to Infineon's BCR family of digital transistors, engineered specifically for robust, space-efficient switching in automotive and industrial environments where AEC-Q101 compliance and thermal resilience are mandatory.
FAQ
What is the maximum allowable junction temperature for continuous operation?
The absolute maximum junction temperature (Tj) is 150 °C. Operation must remain within this limit under all conditions-including ambient temperature, PCB copper area, and power dissipation. Derating curves in the datasheet define permissible Ptot versus solder-point temperature (TS ≤ 124 °C for BCR148W).
Can BCR148WE6327BTSA1 replace a standard NPN transistor like BC847 in existing designs?
It can replace BC847 only if the circuit relies on external base biasing. BCR148WE6327BTSA1 integrates R1 and R2, so direct substitution may cause overdrive or incorrect switching thresholds. Redesign is required to remove external resistors and verify Vi(on)/Vi(off) margins.
Is the SOT323 package compatible with standard reflow soldering profiles?
Yes-the SOT323 package is qualified for lead-free reflow per JEDEC J-STD-020. Peak temperature must not exceed 260 °C for ≤ 30 seconds, with ramp rates conforming to IPC/JEDEC J-STD-020D. The device's Pb-free terminations ensure compatibility with standard SAC305 paste.
Does the R1/R2 ratio tolerance affect switching consistency across temperature?
Yes-R1/R2 is specified as 0.9–1.1 at 25 °C and maintains tight tracking over –40 °C to +125 °C due to monolithic integration. This ensures stable Vi(on) and Vi(off) thresholds across automotive temperature ranges, unlike discrete resistor solutions subject to mismatch drift.
BCR148WE6327BTSA1 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 - Pre-Biased
- Current - Collector (Ic) (Max):
- 100 mA
- Voltage - Collector Emitter Breakdown (Max):
- 50 V
- Resistor - Base (R1):
- 47 kOhms
- Resistor - Emitter Base (R2):
- 47 kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 70 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- Frequency - Transition:
- 100 MHz
- Power - Max:
- 250 mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- PG-SOT323
BCR148WE6327BTSA1 FAQ
1.How can I place an order for BCR148WE6327BTSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for BCR148WE6327BTSA1 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 BCR148WE6327BTSA1 reliable?
The price and inventory of BCR148WE6327BTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BCR148WE6327BTSA1 is usually 5 days.
3.What payment methods are accepted for BCR148WE6327BTSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BCR148WE6327BTSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BCR148WE6327BTSA1?
BCR148WE6327BTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BCR148WE6327BTSA1 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 BCR148WE6327BTSA1?
For technical support, including BCR148WE6327BTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BCR148WE6327BTSA1 requirements.
6.How does Aetrix verify that BCR148WE6327BTSA1 is sourced from the original manufacturer or authorized distributors?
All BCR148WE6327BTSA1 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 BCR148WE6327BTSA1 meets industry standards.
7.What is the process for return or replacement of BCR148WE6327BTSA1?
All BCR148WE6327BTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BCR148WE6327BTSA1, 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 BCR148WE6327BTSA1 part is unused and in its original packaging.
Return procedure for BCR148WE6327BTSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
BCR148WE6327BTSA1 Tags
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