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Nexperia USA Inc. BSP60,115
- Part No.:
- BSP60,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
BSP60,115.pdf
- Description:
- TRANS PNP DARL 45V 1A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:995
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Product details
Overview
BSP60 from Nexperia is a PNP Darlington transistor in SOT223 (SC-73) package, rated for -45 V VCE, -1 A continuous collector current, and featuring integrated base-emitter diode and resistor. It delivers high DC current gain (hFE = 1000–2000 at -150 mA to -500 mA), low saturation voltage (-1.3 V at -500 mA), and AEC-Q101 qualification-used in industrial solenoid, relay, and lamp driver circuits.
For engineers reviewing the BSP60 datasheet, BSP60 pinout, BSP60 application, or BSP60 equivalent, key selection criteria include its Darlington architecture enabling high-current switching with low base drive, thermal resistance of 17 K/W to solder point, and automotive-grade reliability for harsh ambient environments up to 150 °C junction temperature.
Technical Context
The BSP60 implements a monolithic PNP Darlington pair with built-in base-emitter shunt resistor and clamp diode, reducing external component count in high-side switch designs. Its structure supports direct interface with microcontroller GPIOs while sustaining -2 A peak collector current and maintaining stable hFE across -150 mA to -500 mA operating range.
Thermal design is enabled by the SOT223's exposed collector pad, delivering Rth(j-sp) = 17 K/W to solder point and Rth(j-a) = 98 K/W on FR4 PCB-critical for sustained operation in sealed industrial enclosures without forced airflow.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCE | -45 V maximum - supports 24 V industrial bus switching with 2× safety margin against transients |
| IC | -1 A continuous - drives solenoids, relays, and lamps directly without external buffer stage |
| hFE | 1000–2000 - enables <1 mA base drive for full load, easing MCU GPIO sourcing requirements |
| VCE(sat) | -1.3 V at -500 mA - minimizes power loss (0.65 W) and self-heating in high-duty-cycle applications |
| Rth(j-sp) | 17 K/W - allows efficient heat transfer to PCB copper pour, supporting >1 W dissipation with proper layout |
| AEC-Q101 | Qualified - validated for automotive-grade temperature cycling, humidity, and mechanical stress compliance |
Pinout & Package
Package: SOT223 (SC-73), surface-mount plastic package with 4 leads, 4.6 mm lead pitch, and integrated heatsink pad (collector-connected lead 2 and 4).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input; internal 10 kΩ base-emitter resistor reduces required external bias components |
| 2 | Collector | Main power output terminal; electrically connected to exposed metal tab for thermal conduction |
| 3 | Emiter | Common emitter node; referenced to system ground in high-side switch configurations |
| 4 | Collector | Second collector connection-parallel path to Pin 2, enhancing current handling and thermal spreading |
Key Features
| Feature | Design Value |
|---|---|
| Integrated base-emitter resistor | Reduces external component count and eliminates need for discrete base bias network in simple on/off control |
| Darlington architecture | Delivers 1000× current gain at low base drive, enabling direct interface with 3.3 V/5 V logic outputs |
| Exposed collector pad | Provides low-thermal-resistance path to PCB copper, supporting >1 W continuous dissipation with minimal footprint |
| AEC-Q101 qualification | Validated for automotive under-hood environments including temperature cycling, ESD, and mechanical shock |
Applications
| Industrial Solenoid Driver | Automotive Relay Control |
|---|---|
Use Scenario: Driving 24 V DC solenoids in packaging machinery with 100 ms on-time and 50% duty cycle. IC Role / Device Role / Timing Role: High-side PNP Darlington switch providing current amplification and transient suppression via integrated diode. Use Value: Eliminates need for external flyback diode and base resistor, reducing BOM count and PCB area by 3 components per channel. |
Use Scenario: Controlling 12 V automotive relays in body control modules where space and thermal constraints limit heatsink use. IC Role / Device Role / Timing Role: AEC-Q101-qualified PNP switch handling inductive kickback and meeting ISO 7637-2 pulse immunity requirements. Use Value: Enables single-device solution for relay coil drive with guaranteed -45 V breakdown margin and 150 °C junction rating. |
| Printer Hammer Actuator | Lamp Load Switching |
Use Scenario: Pulse-driving electromagnetic print hammers in industrial label printers requiring 500 mA peak current and fast turn-off. IC Role / Device Role / Timing Role: Darlington transistor optimized for <1.5 μs turn-off time with controlled base discharge path. Use Value: Achieves reliable hammer actuation at 200 Hz without thermal throttling, leveraging 2 A peak rating and low VCE(sat). |
Use Scenario: Switching incandescent and LED indicator lamps in HVAC control panels with ambient temperatures up to 85 °C. IC Role / Device Role / Timing Role: Robust PNP switch with -5 V VEB rating and -50 nA leakage, ensuring zero false-on during standby. Use Value: Maintains lamp off-state integrity over 10-year field life, even under high-humidity storage conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP Darlington switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS12201LT1G | Lower VCE (-30 V), smaller SOT-23 package, no integrated resistor, hFE = 1000 min | Suitable only for ≤24 V systems; requires external base resistor and flyback diode | Select when board space is critical and system voltage is ≤24 V with existing support components |
| Diodes Incorporated DXT601PZ-13 | Higher VCE (-60 V), same SOT223 package, no integrated diode, hFE = 1500 min | Requires external clamp diode for inductive loads; better for higher-voltage industrial rails | Prefer when designing for 48 V systems or where tighter VCE margin is required beyond -45 V |
Compared with NSS12201LT1G and DXT601PZ-13, the BSP60 uniquely combines AEC-Q101 qualification, integrated base resistor + clamp diode, and -45 V rating in one SOT223 device-reducing design validation effort for automotive-adjacent industrial controls.
Availability
BSP60 is available at Aetrix Electronics and suitable for industrial solenoid drivers, automotive relay controllers, printer hammer actuators, and lamp load switching requiring stable component supply and long-term lifecycle assurance.
Supply support for BSP60 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 high-volume, high-reliability discrete and logic devices, with manufacturing rooted in process technology leadership and automotive qualification rigor.
The BSP60 belongs to Nexperia's AEC-Q101-qualified bipolar transistor portfolio, engineered specifically for robust, low-component-count switching in industrial automation and automotive body electronics.
FAQ
What is the maximum safe operating temperature for BSP60 in continuous use?
The BSP60 has a maximum junction temperature (Tj) of 150 °C and is rated for continuous operation up to this limit when mounted on an FR4 PCB with ≥1 cm² copper pad on the collector. Ambient temperature must remain ≤85 °C to maintain thermal margin under 1 A load, assuming Rth(j-a) = 98 K/W and Ptot = 1.25 W.
Does BSP60 require an external flyback diode when driving inductive loads?
No. The BSP60 integrates an internal base-emitter clamp diode that provides protection against inductive kickback during turn-off. This eliminates the need for an external flyback diode in standard solenoid and relay driver configurations, confirmed in Nexperia's application notes and test circuit diagrams.
Can BSP60 be used as a direct replacement for NPN-type Darlington transistors like BSP50?
No. BSP60 is a PNP Darlington and BSP50 is its NPN complement; they operate with opposite polarity and cannot be interchanged without circuit redesign. BSP60 sinks current from load to ground (high-side switch), whereas BSP50 sources current from VCC (low-side switch), requiring different biasing and layout.
How does the dual-collector configuration (Pins 2 and 4) affect PCB layout?
Pins 2 and 4 are internally shorted collectors, intended to be soldered to the same large copper pour for optimal thermal performance. Layout best practice is to connect both pins to a shared thermal pad with ≥1 cm² area and multiple vias to inner-layer ground planes-this achieves the specified Rth(j-sp) = 17 K/W and prevents localized overheating.
BSP60,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP - Darlington
- Current - Collector (Ic) (Max):
- 1 A
- Voltage - Collector Emitter Breakdown (Max):
- 45 V
- Vce Saturation (Max) @ Ib, Ic:
- 1.3V @ 500µA, 500mA
- Current - Collector Cutoff (Max):
- 50nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 2000 @ 500mA, 10V
- Power - Max:
- 1.25 W
- Frequency - Transition:
- 200MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
BSP60,115 FAQ
1.How can I place an order for BSP60,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for BSP60,115 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 BSP60,115 reliable?
The price and inventory of BSP60,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BSP60,115 is usually 5 days.
3.What payment methods are accepted for BSP60,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BSP60,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BSP60,115?
BSP60,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BSP60,115 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 BSP60,115?
For technical support, including BSP60,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BSP60,115 requirements.
6.How does Aetrix verify that BSP60,115 is sourced from the original manufacturer or authorized distributors?
All BSP60,115 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 BSP60,115 meets industry standards.
7.What is the process for return or replacement of BSP60,115?
All BSP60,115 units undergo pre-shipment inspection (PSI). If there is an issue with BSP60,115, 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 BSP60,115 part is unused and in its original packaging.
Return procedure for BSP60,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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