My Inquiry
My Account
Nexperia USA Inc. PUMD3/ZLX
- Part No.:
- PUMD3/ZLX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- -
- Datasheet:
-
PUMD3/ZLX.pdf
- Description:
- NPN/PNP RESISTOR-EQUIPPED TRANSI
- Quantity:
- Payment:
- Shipping:
Inventory:567,000
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PUMD3/ZLX from Nexperia (formerly Philips Semiconductors) is an NPN/PNP dual resistor-equipped transistor (RET) in a 6-pin SOT363 (SC-88) surface-mount package, featuring integrated 2.2 kΩ input bias resistors per transistor, 50 V VCEO, 100 mA output current capability, and complementary switching functionality for compact logic-level interface circuits.
For engineers reviewing the PUMD3/ZLX datasheet, PUMD3/ZLX pinout, PUMD3/ZLX application, or PUMD3/ZLX equivalent, this device serves as a space- and BOM-optimized alternative to discrete BC847BPN/BC847BVN pairs in low-power digital I/O buffering, level translation, and bidirectional signal control where matched NPN+PNP gain and saturation behavior are required.
Technical Context
This dual RET integrates two monolithic transistors - one NPN (TR1) and one PNP (TR2) - with identical 2.2 kΩ (±30%) base-input resistors (R1), no R2 connection (open), and shared ground terminals. It operates with VCEO = 50 V and supports DC current gain (hFE) ≥30 at IC = 20 mA, VCE = 5 V for TR1 and symmetric conditions for TR2.
The device delivers VCE(sat) ≤150 mV at IC = 10 mA / IB = 0.5 mA per transistor, exhibits Cc = 2.5 pF (TR1) and 3.0 pF (TR2) at 1 MHz, and maintains thermal resistance Rth(j-a) = 416 K/W (per device, SOT363) under free-air conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V industrial I/O and 3.3/5 V logic interfaces with margin. |
| IO | 100 mA - Continuous output current per transistor; sufficient for driving LEDs, small relays, or CMOS/TTL inputs without external current limiting. |
| R1 | 2.2 kΩ ±30% - Integrated base bias resistor reduces external component count and eliminates manual resistor placement errors in high-volume assembly. |
| VCE(sat) | ≤150 mV at IC=10 mA/IB=0.5 mA - Low saturation voltage minimizes power loss and heat generation in switching applications. |
| hFE | ≥30 at VCE=5 V, IC=20 mA - Predictable DC current gain ensures stable switching thresholds and reliable on/off behavior across temperature. |
| Cc | 2.5 pF (TR1), 3.0 pF (TR2) at VCB=10 V, f=1 MHz - Low collector capacitance supports >100 MHz small-signal switching without significant delay or ringing. |
| Ptot | 300 mW (per device, SOT363) - Total power dissipation limit defines maximum combined conduction loss for both transistors in continuous operation. |
Pinout & Package
SOT363 (SC-88) 6-pin plastic surface-mount package with standard footprint, reflow-compatible only, dimensions 2.2 mm × 1.35 mm × 0.95 mm, pin 1 index marked, JEDEC-compliant outline.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND (emitter) TR1 | Common emitter reference for NPN transistor; connects to system ground or low-side return path. |
| 2 | input (base) TR1 | Base terminal of NPN transistor with 2.2 kΩ series resistor; accepts logic-high input directly without external biasing. |
| 3 | output (collector) TR2 | Collector of PNP transistor; sinks current when TR2 is active, used for active-low outputs or high-side switching control. |
| 4 | GND (emitter) TR2 | Common emitter reference for PNP transistor; tied to ground, enabling standard low-side referenced drive configuration. |
| 5 | input (base) TR2 | Base terminal of PNP transistor with 2.2 kΩ series resistor; driven low to activate TR2, compatible with open-drain or CMOS logic outputs. |
| 6 | output (collector) TR1 | Collector of NPN transistor; sources current when TR1 is active, used for active-high outputs or low-side switching. |
Key Features
| Feature | Design Value |
|---|---|
| Dual NPN/PNP topology with matched R1 | Enables complementary push-pull or bidirectional signal control in a single 6-pin footprint, eliminating layout mismatch between discrete pairs. |
| Integrated 2.2 kΩ base resistors | Removes need for four external bias resistors, reducing PCB area by ~25% and eliminating pick-and-place steps for passive components. |
| 100 mA per transistor output rating | Supports direct drive of medium-current loads such as optocoupler LEDs, small solenoids, or multiple CMOS inputs without buffer stages. |
| VCE(sat) ≤150 mV @ rated current | Ensures <15 mW conduction loss per transistor at 100 mA, critical for thermally constrained modules and battery-powered edge nodes. |
| SC-88 (SOT363) package | Industry-standard 6-pin small-outline package with proven manufacturability, compatible with automated optical inspection (AOI) and standard reflow profiles. |
Applications
| Industrial I/O Buffering | USB/UART Level Translation |
|---|---|
|
Use Scenario: Isolating microcontroller GPIO pins from noisy 24 V PLC field inputs while maintaining fast response and low power. IC Role / Device Role / Timing Role: Dual RET acts as bidirectional level-shifting buffer: TR1 pulls low for sink mode, TR2 pulls high for source mode, controlled via inverted logic signals. Use Value: Eliminates need for separate NPN+PNP + 4 resistors; achieves <100 ns propagation delay and <1 µA standby leakage per channel. |
Use Scenario: Converting 3.3 V UART signals to 5 V logic levels for legacy peripherals without dedicated level translators. IC Role / Device Role / Timing Role: TR1 switches 5 V pull-up line to ground (low-side), TR2 drives 5 V rail high (high-side), forming an active clamping interface. Use Value: Delivers rail-to-rail swing with <200 mV overshoot and supports 2 Mbps UART rates due to sub-3 pF inter-electrode capacitance. |
| LED Driver for Status Indicators | Reset Signal Conditioning |
|
Use Scenario: Driving dual-color (red/green) status LEDs from a single microcontroller port with independent on/off control. IC Role / Device Role / Timing Role: TR1 controls red LED cathode (sinking), TR2 controls green LED anode (sourcing); shared ground simplifies routing. Use Value: Enables simultaneous or alternating LED activation using only two GPIOs; 100 mA rating supports high-brightness LEDs up to 100 cd. |
Use Scenario: Debouncing and conditioning a mechanical reset button signal before feeding into a microcontroller's reset pin. IC Role / Device Role / Timing Role: TR1 provides clean low-to-high transition on release; TR2 holds reset low during power-up via RC timing network. Use Value: Integrates pull-down/pull-up and noise filtering in one device; eliminates risk of metastability during brown-out conditions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NPN/PNP resistor-equipped transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BC847BPN,115 | Discrete NPN+PNP pair with no built-in resistors; requires four external 2.2 kΩ bias resistors. | Higher BOM count and PCB area; suitable when fine-tuned bias or adjustable gain is needed. | Select when design requires independent optimization of base current or thermal separation between transistors. |
| EMZ6T2R | Same SOT363 package, but R1 = 4.7 kΩ and R2 = 47 kΩ; includes second feedback resistor for improved saturation stability. | Better VCE(sat) consistency at low IB, but lower drive strength for same input voltage. | Select when operating at <1.8 V logic levels or requiring tighter hFE tolerance over temperature. |
Compared with BC847BPN and EMZ6T2R, PUMD3/ZLX offers optimal balance of integration density, 2.2 kΩ bias compatibility with 3.3 V/5 V logic, and predictable 150 mV saturation-making it ideal for cost-sensitive, high-volume I/O interface designs where layout simplicity and repeatability are prioritized.
Availability
PUMD3/ZLX is available at Aetrix Electronics and suitable for industrial I/O modules, USB peripheral interfaces, LED status indicators, and reset signal conditioning circuits requiring stable component supply, long-term lifecycle support, and consistent parametric performance across manufacturing lots.
Supply support for PUMD3/ZLX 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, formerly Philips Semiconductors, is a global leader in discrete, logic, and MOSFET solutions, specializing in high-volume, automotive-qualified, and industrial-grade semiconductor components with emphasis on reliability and manufacturability.
PUMD3/ZLX belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered specifically for reducing component count and improving assembly yield in consumer, computing, and industrial control applications requiring compact, logic-compatible switching.
FAQ
What is the function of Pin 4 in PUMD3/ZLX?
Pin 4 is the emitter terminal of the internal PNP transistor (TR2) and is internally connected to ground (GND). It must be soldered to the PCB ground plane to establish the reference potential for TR2 operation. Unlike discrete PNP transistors, this pin is not floating-it is a mandatory ground connection for proper biasing and saturation behavior.
Can PUMD3/ZLX replace BC847BPN in existing designs without layout changes?
No-direct replacement requires PCB redesign. BC847BPN uses two separate SOT23 packages (6 mm² total), while PUMD3/ZLX occupies a single SOT363 (3 mm²). The pinout differs entirely: PUMD3/ZLX has shared emitters and interleaved I/O, so routing must accommodate its 6-pin SC-88 footprint and functional pairing rather than discrete placement.
Is reflow soldering mandatory for PUMD3/ZLX?
Yes. The datasheet explicitly states "Reflow soldering is the only recommended soldering method" due to thermal limitations of the mold compound and internal wirebond integrity. Wave soldering is not qualified and may cause delamination or parametric shift; IPC-J-STD-020-compliant lead-free reflow profiles must be followed.
What does "R2 = open" mean in the PUMD3/ZLX specification?
"R2 = open" indicates that the second (feedback) resistor found in some RETs (e.g., EMZ6T2R) is omitted in PUMD3/ZLX. Only the primary 2.2 kΩ base-input resistor (R1) is present per transistor. This simplifies biasing for basic switching but means no internal feedback path exists to stabilize VCE(sat) under varying hFE conditions.
PUMD3/ZLX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Transistor Type:
- -
- Current - Collector (Ic) (Max):
- -
- Voltage - Collector Emitter Breakdown (Max):
- -
- Resistor - Base (R1):
- -
- Resistor - Emitter Base (R2):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- -
- Vce Saturation (Max) @ Ib, Ic:
- -
- Current - Collector Cutoff (Max):
- -
- Frequency - Transition:
- -
- Power - Max:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
PUMD3/ZLX FAQ
1.How can I place an order for PUMD3/ZLX through Aetrix?
Please submit a Request for Quotation (RFQ) for PUMD3/ZLX 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 PUMD3/ZLX reliable?
The price and inventory of PUMD3/ZLX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PUMD3/ZLX is usually 5 days.
3.What payment methods are accepted for PUMD3/ZLX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PUMD3/ZLX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PUMD3/ZLX?
PUMD3/ZLX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PUMD3/ZLX 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 PUMD3/ZLX?
For technical support, including PUMD3/ZLX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PUMD3/ZLX requirements.
6.How does Aetrix verify that PUMD3/ZLX is sourced from the original manufacturer or authorized distributors?
All PUMD3/ZLX 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 PUMD3/ZLX meets industry standards.
7.What is the process for return or replacement of PUMD3/ZLX?
All PUMD3/ZLX units undergo pre-shipment inspection (PSI). If there is an issue with PUMD3/ZLX, 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 PUMD3/ZLX part is unused and in its original packaging.
Return procedure for PUMD3/ZLX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PUMD3/ZLX Tags
-
SMUN5311DW1T1G
onsemi
-
UMH9NTN
Rohm Semiconductor
-
PUMH13,115
Nexperia USA Inc.
-
PUMD3-QX
Nexperia USA Inc.
-
PUMD2,115
Nexperia USA Inc.
-
RN4987FE,LF(CT
Toshiba Semiconductor and Storage
-
PUMD12,115
Nexperia USA Inc.
-
PUMD9,115
Nexperia USA Inc.
-
PUMH9,115
Nexperia USA Inc.
-
PUMD3,115
Nexperia USA Inc.
-
DCX114EU-7-F
Diodes Incorporated
-
PUMD13,115
Nexperia USA Inc.
Tech Hub
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
