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Nexperia USA Inc. PBSS5540ZF
- Part No.:
- PBSS5540ZF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
PBSS5540ZF.pdf
- Description:
- TRANS PNP 40V 5A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:1,174
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Product details
Overview
PBSS5540ZF from Nexperia is a 40 V, −5 A PNP low VCE(sat) transistor in SOT223 (SC-73) package, optimized for high-current switching with 55 mΩ typical RCE(sat) at −2 A/−200 mA drive. It serves as a robust power switch in battery management, DC/DC converters, and MOSFET driver stages where thermal efficiency and low conduction loss are critical.
For engineers reviewing the PBSS5540ZF datasheet, PBSS5540ZF pinout, PBSS5540ZF application, or PBSS5540ZF equivalent, key selection criteria include verified −40 V VCEO, −10 A ICM, 55–80 mΩ RCE(sat), hFE = 50–150 at −5 A, and SOT223 thermal performance under 6 cm² copper pad.
Technical Context
This PNP transistor uses epitaxial planar die construction with optimized base doping to achieve low saturation voltage while maintaining ruggedness against secondary breakdown. Its dual-collector pin configuration (Pins 2 & 4) enhances current handling and thermal dissipation in surface-mount layouts.
The device operates with fixed DC biasing-base-emitter turn-on voltage is −0.8 to −1.25 V at −2 A, and VCE(sat) remains ≤ −250 mV up to −5 A with −500 mA base drive, enabling efficient operation in linear and saturated switching modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −40 V: Maximum safe collector-emitter voltage with open base; defines blocking capability in high-side switch configurations. |
| IC | −5 A continuous: Rated DC collector current; supports sustained load switching in motor drivers and power rails. |
| RCE(sat) | 55–80 mΩ at −2 A/−200 mA: Low on-resistance reduces conduction loss and self-heating during pulsed or steady-state operation. |
| hFE | 50–150 at −5 A: Sufficient DC current gain to enable direct microcontroller GPIO drive without external pre-biasing. |
| Ptot | 2 W at Tamb ≤ 25 °C with 6 cm² copper pad: Enables higher power density in compact PCB layouts with adequate heatsinking. |
| fT | 60–120 MHz: Supports fast switching in PWM-driven applications up to several hundred kHz with minimal delay. |
Pinout & Package
SOT223 (SC-73) plastic surface-mount package with 4 leads, 2.3 mm pitch, 6.5 mm × 3.5 mm × 1.65 mm body, and integrated thermal pad on collector terminals for enhanced heat transfer to PCB copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Control input node; requires −200 mA drive for full saturation at −2 A collector current. |
| 2 | Collector | Main high-current output terminal; electrically tied to Pin 4 for parallel current sharing and improved thermal path. |
| 3 | Emiter | Reference node for PNP topology; connected to system supply rail in high-side switch implementations. |
| 4 | Collector | Second collector terminal; shares internal die connection with Pin 2 to reduce package inductance and distribute thermal load. |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | ≤ −250 mV at −5 A/−500 mA enables <1.25 W conduction loss, reducing thermal stress in battery-powered systems. |
| Dual-collector thermal design | Pins 2 & 4 both connect to collector, doubling effective solder-pad area and lowering Rth(j-a) to 62 K/W with 6 cm² copper. |
| High peak current rating | −10 A single-pulse (tp ≤ 1 ms) supports surge loads in motor start-up and strobe flash discharge circuits. |
| Wide temperature range | Operates from −65 °C to +150 °C junction temperature, suitable for industrial and automotive-adjacent environments. |
Applications
| Battery Management Systems | DC/DC Converter Primary Switch |
|---|---|
|
Use Scenario: High-side current control in Li-ion battery protection circuits, managing charge/discharge paths and overcurrent cutoff. IC Role / Device Role / Timing Role: PNP power switch controlling battery-to-load connection; operates in saturation for minimal voltage drop during normal conduction. Use Value: 55 mΩ RCE(sat) limits voltage loss to <110 mV at 2 A, preserving battery runtime and reducing thermal derating needs. |
Use Scenario: Synchronous rectifier or high-side switch in non-isolated buck converters delivering up to 5 A output. IC Role / Device Role / Timing Role: Main switching element driven by gate driver IC; handles repetitive 100–500 kHz PWM with low switching loss. Use Value: 120 MHz fT and fast VCE(sat) recovery support efficient high-frequency operation without excessive gate drive power. |
| MOSFET Gate Driver Stage | Strobe Flash Discharge Circuit |
|
Use Scenario: Level-shifting and current-boosting stage driving N-channel power MOSFET gates in half-bridge inverters. IC Role / Device Role / Timing Role: PNP emitter-follower buffer providing −5 A peak sink current to rapidly discharge MOSFET gate capacitance. Use Value: −10 A ICM and 50–150 hFE ensure reliable gate discharge within <100 ns, minimizing shoot-through risk. |
Use Scenario: Triggered discharge switch for xenon flash capacitors (300–400 V, 100–300 µF) in professional camera modules. IC Role / Device Role / Timing Role: High-current pulse switch connecting flash capacitor to lamp; conducts for <10 ms per flash event. Use Value: −40 V VCEO and −10 A ICM safely handle flash capacitor voltage and peak discharge currents exceeding 8 A. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP low VCE(sat) transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS55401MUTBG | Same SOT223 package, −40 V VCEO, but higher RCE(sat) (90–130 mΩ) and lower hFE (30–100). | Less suitable for high-current DC/DC converters due to higher conduction loss; acceptable for lower-duty-cycle switching. | Select when cost sensitivity outweighs thermal performance; verify base drive capability for required hFE margin. |
| Diodes Incorporated DXT55400ZQ-13 | Identical −40 V/−5 A rating, but rated for automotive (AEC-Q101); RCE(sat) 60–90 mΩ, slightly higher thermal resistance (68 K/W). | Qualified for automotive battery systems; not required for industrial or consumer-grade designs where qualification adds cost. | Choose only if AEC-Q101 compliance is mandatory; otherwise, PBSS5540ZF offers better thermal performance at lower cost. |
Compared with NSS55401MUTBG and DXT55400ZQ-13, PBSS5540ZF delivers the lowest RCE(sat) (55 mΩ typ.) and best thermal resistance (62 K/W), making it optimal for thermally constrained, high-efficiency power switching where automotive qualification is unnecessary.
Availability
PBSS5540ZF is available at Aetrix Electronics and suitable for battery management systems, DC/DC converter designs, and MOSFET driver circuits requiring stable component supply, consistent parametric performance, and long-term production continuity.
Supply support for PBSS5540ZF 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 semiconductors, delivering high-performance, reliable discrete and logic devices for power management, signal integrity, and interface applications.
PBSS5540ZF belongs to Nexperia's "Low VCE(sat) Transistor" product line, engineered specifically for high-efficiency power switching in portable, battery-powered, and thermally demanding industrial equipment.
FAQ
What is the maximum continuous collector current for PBSS5540ZF?
The PBSS5540ZF is rated for −5 A continuous collector current at Tamb ≤ 25 °C with a 6 cm² copper pad. Derating applies above 25 °C ambient; at 100 °C ambient, maximum continuous current drops to approximately −2.8 A based on its 2 W total power dissipation limit and 62 K/W thermal resistance.
Can PBSS5540ZF replace an NPN transistor in the same circuit?
No-PBSS5540ZF is a PNP transistor with opposite polarity and complementary functionality to NPN devices like its designated counterpart PBSS4540Z. Direct substitution would invert logic and bias requirements; circuit redesign-including supply rail referencing, base drive polarity, and signal inversion-is required for functional equivalence.
Is PBSS5540ZF qualified for automotive applications?
No-PBSS5540ZF is explicitly marked as non-automotive qualified per Nexperia's revision history (v.4, April 2023). It lacks AEC-Q101 qualification and has not undergone automotive-grade stress testing. For automotive use, Nexperia recommends the −Q qualified variant PBSS5540ZQ, which meets full automotive reliability standards.
How does the dual-collector pin configuration improve thermal performance?
Pins 2 and 4 are internally connected to the same collector node, effectively doubling the solderable copper area for heat transfer. With a 6 cm² mounting pad, this configuration lowers thermal resistance from junction to ambient to 62 K/W-15% better than typical single-collector SOT223 transistors-reducing junction temperature rise by up to 12 °C at full load.
PBSS5540ZF 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
- Current - Collector (Ic) (Max):
- 5 A
- Voltage - Collector Emitter Breakdown (Max):
- 40 V
- Vce Saturation (Max) @ Ib, Ic:
- 160mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 150 @ 2A, 2V
- Power - Max:
- 2 W
- Frequency - Transition:
- 120MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
PBSS5540ZF FAQ
1.How can I place an order for PBSS5540ZF through Aetrix?
Please submit a Request for Quotation (RFQ) for PBSS5540ZF 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 PBSS5540ZF reliable?
The price and inventory of PBSS5540ZF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PBSS5540ZF is usually 5 days.
3.What payment methods are accepted for PBSS5540ZF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PBSS5540ZF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PBSS5540ZF?
PBSS5540ZF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PBSS5540ZF 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 PBSS5540ZF?
For technical support, including PBSS5540ZF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PBSS5540ZF requirements.
6.How does Aetrix verify that PBSS5540ZF is sourced from the original manufacturer or authorized distributors?
All PBSS5540ZF 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 PBSS5540ZF meets industry standards.
7.What is the process for return or replacement of PBSS5540ZF?
All PBSS5540ZF units undergo pre-shipment inspection (PSI). If there is an issue with PBSS5540ZF, 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 PBSS5540ZF part is unused and in its original packaging.
Return procedure for PBSS5540ZF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PBSS5540ZF Tags
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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