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Home > Products > Discrete Semiconductor Products > Transistors > Bipolar (BJT) > Single Bipolar Transistors

Infineon Technologies BSP60H6327XTSA1

Name: BSP60H6327XTSA1
Brand: Infineon Technologies
SKU: BSP60H6327XTSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: BSP60H6327XTSA1

Manufacturer:: Infineon Technologies

Category:: Single Bipolar Transistors

Package:: TO-261-4, TO-261AA

Datasheet:: BSP60H6327XTSA1.pdf

Description:: TRANS PNP DARL 45V 1A SOT223-4

Quantity:: RFQ Add To RFQ list

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Product details

Overview

BSP60H6327XTSA1 from Infineon Technologies is a PNP silicon Darlington transistor designed for high-current switching in automotive and industrial control circuits. It delivers 1 A continuous collector current, 45 V collector-emitter breakdown voltage (V_(BR)CEO), and low 1.3 V collector-emitter saturation voltage at I_C = 500 mA / I_B = 0.55 mA - enabling efficient power-stage switching in relay drivers and lamp controls.

For engineers reviewing the BSP60H6327XTSA1 datasheet, BSP60H6327XTSA1 pinout, BSP60H6327XTSA1 application, or BSP60H6327XTSA1 equivalent, key selection criteria include verified Darlington gain (h_FE ≥ 1000 at I_C = 150 mA), thermal resistance (R_thJS ≤ 17 K/W), AEC-Q101 qualification, SOT-223 package compatibility, and complementary NPN pairing with BSP50–BSP52 series.

Technical Context

This device implements a two-stage PNP bipolar structure with integrated base-emitter resistor network to ensure stable biasing and reduce external component count. Its Darlington configuration achieves high DC current gain while maintaining low V_CE(sat) under load, supporting robust on-state performance in 12 V/24 V automotive systems.

It operates with a maximum junction temperature of 150 °C and meets AEC-Q101 stress testing requirements for automotive-grade reliability. The SOT-223 package provides enhanced thermal dissipation (P_tot = 1.5 W at T_S ≤ 124 °C) and supports surface-mount reflow assembly.

Key Specifications

Parameter	Value and Actual Design Meaning
V_(BR)CEO	45 V - Maximum safe collector-emitter voltage before avalanche conduction in open-base condition
I_C	1 A - Continuous DC collector current rating defining steady-state switching capacity
V_CE(sat)	1.3 V @ I_C = 500 mA, I_B = 0.55 mA - Low on-state voltage drop minimizing power loss in saturated switch mode
h_FE	1000–2000 @ I_C = 150 mA, V_CE = 10 V - High DC current gain enabling microcontroller-level base drive
R_thJS	≤17 K/W - Thermal resistance from junction to soldering point, critical for heatsink-less PCB layout
f_T	200 MHz @ I_C = 100 mA, V_CE = 5 V - Transition frequency indicating usable bandwidth for moderate-speed switching
P_tot	1.5 W @ T_S ≤ 124 °C - Total power dissipation limit defining thermal derating envelope

Pinout & Package

SOT-223 package with exposed emitter tab for thermal and electrical grounding; 4-pin configuration with pin 1 = Base, pin 2 = Collector, pin 3 = Emitter, pin 4 = Collector (dual-collector connection).

Pin/Terminal	Circuit Role	Design Meaning
1 (Base)	Control input	Receives low-current drive signal to enable high-gain Darlington switching action
2 (Collector)	High-side load connection	Primary current path terminal tied to positive rail or load return in high-side switch topology
3 (Emitter)	Power ground reference	Common emitter node connected to PCB ground plane or heatsink; electrically and thermally coupled to tab
4 (Collector)	Secondary collector	Duplicated collector terminal improving current sharing and thermal distribution across package leads

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive applications including engine control modules and body electronics
Pb-free (RoHS compliant)	Meets EU Directive 2011/65/EU without lead-based solder or plating
Dual-collector SOT-223	Enhanced current handling and thermal spreading via redundant collector pins
Complementary NPN pairing	Direct functional match with BSP50–BSP52 series for push-pull and H-bridge designs
Low V_BE(sat)	1.9–2.2 V @ I_C = 1 A ensures reliable turn-on with standard 3.3 V/5 V logic drivers

Applications

Automotive Relay Driver

Industrial Solenoid Control

Use Scenario: Driving 12 V automotive relays in power distribution units and junction boxes.

IC Role / Device Role / Timing Role: High-gain Darlington switch providing >100× current amplification from MCU GPIO output.

Use Value: Eliminates need for external base resistors or driver ICs due to integrated bias network and low V_CE(sat).

Use Scenario: Controlling 24 V DC solenoids in factory automation valves and pneumatic actuators.

IC Role / Device Role / Timing Role: Power-stage switch delivering 1 A sustained current with fast turn-off (<1 µs fall time per datasheet test circuit).

Use Value: Enables direct microcontroller interfacing without level-shifting, reducing BOM count and board space.

LED Lamp Dimming Circuit

DC Motor Brake Switch

Use Scenario: PWM-controlled dimming of high-brightness LED arrays in commercial lighting fixtures.

IC Role / Device Role / Timing Role: Low-saturation switch operating in linear/PWM mode to regulate average LED current.

Use Value: Maintains <1.3 V drop across device during conduction, preserving >90% of supply voltage for LEDs at full brightness.

Use Scenario: Shorting motor terminals during dynamic braking in brushed DC motor controllers.

IC Role / Device Role / Timing Role: High-current sink switch activated during deceleration to dissipate kinetic energy as heat.

Use Value: Handles 2 A peak current (I_CM) for brief braking pulses without thermal runaway, supported by R_thJS ≤ 17 K/W.

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP Darlington switching applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
BSP61H6327XTSA1	Higher V_(BR)CEO (60 V) and V_(BR)CBO (80 V); identical package and pinout	Better suited for 24 V systems with higher transient voltage margins	Select when operating in 24 V nominal environments with >40 V load dump risk
BCP53-16	Same V_(BR)CEO (45 V), lower h_FE (min. 250), SOT-223 package, non-AEC-Q101	Limited to non-automotive industrial use due to lack of automotive qualification	Choose for cost-sensitive non-automotive applications where AEC-Q101 is not required

Compared with BSP61H6327XTSA1, this part trades off voltage margin for tighter parameter control in 12 V systems; versus BCP53-16, it adds AEC-Q101 compliance and higher h_FE, making it suitable for safety-critical automotive switching where reliability and gain stability are essential.

Availability

BSP60H6327XTSA1 is available at Aetrix Electronics and suitable for automotive relay drivers, industrial solenoid controllers, and LED lamp dimming circuits requiring stable component supply across production lifecycles.

Supply support for BSP60H6327XTSA1 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 AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs and discrete devices.

This part belongs to the BSP60–BSP62 PNP Darlington transistor family, engineered specifically for high-reliability, high-current switching in automotive body electronics and industrial actuator interfaces.

FAQ

Is BSP60H6327XTSA1 pin-compatible with BSP50–BSP52 NPN transistors?

No - BSP60H6327XTSA1 is a PNP Darlington with pinout Base–Collector–Emitter–Collector, while BSP50–BSP52 are NPN types with Base–Collector–Emitter–Collector but opposite polarity. They are complementary in function, not pin-for-pin replacements. Layout must account for reversed current flow and biasing direction.

What is the maximum allowable base current for continuous operation?

The absolute maximum rated base current is 100 mA, but for reliable long-term operation at I_C = 1 A, the recommended base drive is 1 mA (per h_FE ≥ 1000). Exceeding 2 mA continuously risks thermal overstress due to base-emitter junction heating, especially without forced airflow or heatsinking.

Does BSP60H6327XTSA1 require an external base resistor?

No - the internal Darlington structure includes integrated base biasing elements. However, an external series resistor (typically 1–10 kΩ) is strongly recommended between the MCU GPIO and pin 1 to limit inrush current during switching transitions and improve noise immunity in automotive EMI environments.

Can BSP60H6327XTSA1 be used in linear (analog) amplifier configurations?

It is not optimized for linear amplification. While h_FE and f_T suggest possible small-signal use, its Darlington architecture introduces high V_BE(sat), poor linearity at low currents, and significant thermal drift. Datasheet characterization focuses exclusively on switching behavior - use dedicated general-purpose PNP transistors like BC807 for analog gain stages.

BSP60H6327XTSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: -

Package/Case:: TO-261-4, TO-261AA

Packaging:: Tape & Reel (TR)

Product Status:: Last Time Buy

Transistor Type:: PNP - Darlington

Current - Collector (Ic) (Max):: 1 A

Voltage - Collector Emitter Breakdown (Max):: 45 V

Vce Saturation (Max) @ Ib, Ic:: 1.8V @ 1mA, 1A

Current - Collector Cutoff (Max):: 10µA

DC Current Gain (hFE) (Min) @ Ic, Vce:: 2000 @ 500mA, 10V

Power - Max:: 1.5 W

Frequency - Transition:: 200MHz

Operating Temperature:: 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-SOT223-4

BSP60H6327XTSA1 FAQ

1.How can I place an order for BSP60H6327XTSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for BSP60H6327XTSA1 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 BSP60H6327XTSA1 reliable?

The price and inventory of BSP60H6327XTSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BSP60H6327XTSA1 is usually 5 days.

3.What payment methods are accepted for BSP60H6327XTSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BSP60H6327XTSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for BSP60H6327XTSA1?

BSP60H6327XTSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your BSP60H6327XTSA1 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 BSP60H6327XTSA1?

For technical support, including BSP60H6327XTSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BSP60H6327XTSA1 requirements.

6.How does Aetrix verify that BSP60H6327XTSA1 is sourced from the original manufacturer or authorized distributors?

All BSP60H6327XTSA1 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 BSP60H6327XTSA1 meets industry standards.

7.What is the process for return or replacement of BSP60H6327XTSA1?

All BSP60H6327XTSA1 units undergo pre-shipment inspection (PSI). If there is an issue with BSP60H6327XTSA1, 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 BSP60H6327XTSA1 part is unused and in its original packaging.

Return procedure for BSP60H6327XTSA1:

1.Submit a request within 90 days.

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

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