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NXP Semiconductors PMEM4020APD,115
- Part No.:
- PMEM4020APD,115
- Manufacturer:
- NXP Semiconductors
- Category:
- Single Bipolar Transistors
- Package:
- SC-74, SOT-457
- Datasheet:
-
PMEM4020APD,115.pdf
- Description:
- TRANS PNP 40V 0.75A SC-74
- Quantity:
- Payment:
- Shipping:
Inventory:9,994
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Product details
Overview
PMEM4020APD from NXP Semiconductors is a monolithic PNP transistor/Schottky rectifier hybrid in a single SOT457 (SC-74) package, delivering −2 A collector current, 40 V collector-emitter and reverse voltage ratings, −530 mV VCEsat at −2 A, and 1 A Schottky forward current - used for compact DC-DC converter switching and inductive load freewheeling.
For engineers reviewing the PMEM4020APD datasheet, PMEM4020APD pinout, PMEM4020APD application, or PMEM4020APD equivalent, this device enables space-constrained power stage integration with verified low-saturation PNP switching and ultra-low VF Schottky clamping in one footprint.
Technical Context
The PMEM4020APD integrates a planar PNP transistor with high-current capability and low VCEsat into the same die substrate as a guard-ring-protected Schottky barrier rectifier - sharing thermal mass and enabling synchronized switching behavior in bidirectional power paths.
Its dual-function architecture supports simultaneous active switching (PNP) and passive clamping (Schottky), with shared cathode-collector thermal node and independent base/emitter/anode terminals - eliminating inter-device timing skew and parasitic inductance between discrete pairs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO / VR | −40 V / 40 V - Enables use in 36 V nominal automotive and industrial bus systems with margin against transients. |
| IC / IF | −2 A DC / 1 A DC - Supports high-side load switching up to 2 A while providing 1 A freewheeling current without external diode. |
| VCEsat / VF | −530 mV @ −2 A / 640 mV @ 1 A - Reduces conduction loss by >30 % vs. standard silicon diodes and enables <1 W total dissipation at full load. |
| Ptot | 600 mW - Total combined power rating allows co-packaged operation without derating when mounted on FR4 with standard footprint. |
| RCEsat | 180–280 mΩ @ −1 A - Provides predictable on-resistance for precise current-sense design and thermal modeling. |
| Tj max | 150 °C - Rated junction temperature supports operation in under-hood and enclosed industrial environments. |
Pinout & Package
SOT457 (SC-74) plastic surface-mounted package with 6 leads; 3.1 mm × 2.7 mm footprint, 1.1 mm height, and integrated collector/cathode thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter | PNP emitter connection; referenced to system ground in high-side switch configurations. |
| 2 | Not connected | No internal bond; electrically isolated - must remain unconnected on PCB. |
| 3 | Cathode | Schottky cathode tied internally to Pin 6 (collector); serves as common high-side switching node and thermal path. |
| 4 | Anode | Schottky anode; connects to inductive load return or ground reference for freewheeling path. |
| 5 | Base | PNP base control input; requires current-limited drive (max −1 A peak) for saturation. |
| 6 | Collector | PNP collector tied internally to Pin 3 (cathode); primary high-side power output node. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated PNP + Schottky | Eliminates layout mismatch and trace inductance between discrete switch/diode pairs in flyback and buck topologies. |
| Guard ring protection | Prevents edge breakdown under high dv/dt stress in inductive switching, improving reliability in motor and relay drivers. |
| Ultra-low VF Schottky | 640 mV forward drop at 1 A reduces freewheeling loss by ~45 % vs. 1.1 V Si diode, lowering thermal load in sealed enclosures. |
| Low VCEsat PNP | −530 mV at −2 A enables <1.1 W conduction loss, supporting thermally constrained 2-layer PCB designs without heatsinks. |
| Small SMD footprint | SOT457 package saves >40 % board area vs. separate SOT23 PNP + SOD323 Schottky solution. |
Applications
| DC-to-DC Converters | Inductive Load Drivers |
|---|---|
|
Use Scenario: Step-down (buck) regulator in automotive body control modules where space and thermal budget are constrained. IC Role / Device Role / Timing Role: PNP acts as synchronous high-side switch; Schottky provides low-loss freewheeling path during off-time. Use Value: Combined conduction loss of <1.1 W at 2 A enables operation on 2-layer FR4 without forced air or copper pour expansion. |
Use Scenario: Driving 24 V solenoids and relays in industrial PLC output stages with fast turn-off and voltage clamping. IC Role / Device Role / Timing Role: PNP switches coil current; Schottky absorbs inductive kickback with <640 mV clamp voltage. Use Value: Guard ring protection ensures robustness against 100 V/µs transients, extending relay contact life and reducing snubber complexity. |
| Reverse Polarity Protection | MOSFET Drivers |
|
Use Scenario: Input protection for 12 V/24 V embedded systems exposed to accidental battery reversal during service. IC Role / Device Role / Timing Role: PNP configured as high-side pass element; Schottky blocks reverse current path with 40 V VR rating. Use Value: −530 mV VCEsat minimizes voltage drop in forward direction, preserving >95 % input voltage at 2 A load. |
Use Scenario: Gate driving for N-channel MOSFETs in half-bridge motor controllers requiring fast bootstrap recharge. IC Role / Device Role / Timing Role: PNP pulls gate low; Schottky conducts bootstrap capacitor recharge current during high-side on-time. Use Value: 1 A Schottky IF rating supports >100 kHz switching with <100 ns reverse recovery, preventing shoot-through risk. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP + Schottky hybrid applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PMEM4020AND | NPN complement with identical SOT457 package, −40 V VCEO, 2 A IC, but opposite polarity and base drive polarity. | Used in low-side switching configurations where emitter is grounded; not interchangeable with PMEM4020APD in high-side layouts. | Select PMEM4020AND only when circuit topology requires NPN-based low-side control with matching thermal and footprint constraints. |
| NSV40201MUT1G | Onsemi dual PNP+Schottky in SOT-363 (SC-70); lower IF (0.5 A), higher VF (750 mV), smaller footprint but reduced power handling. | Targeted at sub-1 A portable electronics; lacks guard ring and has 30 % higher conduction loss at rated current. | Choose NSV40201MUT1G only for space-critical consumer applications below 1 A, not for industrial 2 A loads. |
Compared with PMEM4020APD, PMEM4020AND offers complementary polarity for low-side use but no functional substitution, while NSV40201MUT1G trades 50 % lower current and higher VF for 30 % smaller area - making PMEM4020APD the sole option for 2 A high-side switching with integrated 1 A clamping in SOT457.
Availability
PMEM4020APD is available at Aetrix Electronics and suitable for DC-to-DC converters, inductive load drivers, and reverse polarity protection circuits requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for PMEM4020APD 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT applications.
The PMEM4020APD belongs to NXP's legacy analog power hybrid portfolio, designed specifically to reduce board area and improve reliability in high-current, space-constrained power switching applications.
FAQ
What is the maximum continuous collector current rating for PMEM4020APD?
The PMEM4020APD is rated for −2 A continuous collector current when the soldering point temperature (Ts) is maintained at ≤55 °C. At ambient temperature ≤25 °C with standard FR4 mounting, the usable DC current is derated to −0.75 A due to thermal resistance limitations. Full −2 A operation requires thermal management via the collector/cathode tab.
Does PMEM4020APD support high-frequency switching in DC-DC applications?
Yes, the PMEM4020APD supports high-frequency operation due to its ultra-fast Schottky rectifier (no minority carrier storage) and PNP transition frequency (fT) of 150 MHz at −50 mA. Its 10 pF collector capacitance and <100 ns effective switching times enable stable operation up to 500 kHz in buck converters without added snubbers.
How is thermal performance managed in PMEM4020APD given its dual-die structure?
PMEM4020APD uses a shared collector/cathode thermal node (Pin 3 and Pin 6) with a specified Rth(j-s) of 95 K/W to soldering point. When mounted on a 1 cm² copper pad, total power dissipation reaches 1000 mW - exceeding its 600 mW combined rating - allowing safe operation at full −2 A/1 A load with proper PCB copper area.
Can PMEM4020APD be used as a direct replacement for discrete PNP + Schottky combinations?
PMEM4020APD replaces discrete PNP (e.g., BC807) and Schottky (e.g., BAT54) pairs in SOT23/SOD323 footprints, but requires PCB redesign due to its 6-pin SOT457 layout. Pin 2 is NC and must remain unconnected; Pins 3 and 6 are internally shorted, simplifying routing but mandating correct net assignment.
What is the significance of the guard ring in the Schottky section of PMEM4020APD?
The guard ring in the PMEM4020APD's Schottky rectifier prevents premature edge breakdown under high dv/dt conditions - critical in inductive load switching where voltage spikes exceed 100 V/µs. It extends operational lifetime in relay and solenoid drivers by suppressing localized avalanche and hot-carrier injection.
PMEM4020APD,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- SC-74, SOT-457
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- PNP + Diode (Isolated)
- Current - Collector (Ic) (Max):
- 750 mA
- Voltage - Collector Emitter Breakdown (Max):
- 40 V
- Vce Saturation (Max) @ Ib, Ic:
- 530mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 250 @ 500mA, 5V
- Power - Max:
- 500 mW
- Frequency - Transition:
- 150MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-74
PMEM4020APD,115 FAQ
1.How can I place an order for PMEM4020APD,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEM4020APD,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 PMEM4020APD,115 reliable?
The price and inventory of PMEM4020APD,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEM4020APD,115 is usually 5 days.
3.What payment methods are accepted for PMEM4020APD,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEM4020APD,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEM4020APD,115?
PMEM4020APD,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEM4020APD,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 PMEM4020APD,115?
For technical support, including PMEM4020APD,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEM4020APD,115 requirements.
6.How does Aetrix verify that PMEM4020APD,115 is sourced from the original manufacturer or authorized distributors?
All PMEM4020APD,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 PMEM4020APD,115 meets industry standards.
7.What is the process for return or replacement of PMEM4020APD,115?
All PMEM4020APD,115 units undergo pre-shipment inspection (PSI). If there is an issue with PMEM4020APD,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 PMEM4020APD,115 part is unused and in its original packaging.
Return procedure for PMEM4020APD,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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