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Nexperia USA Inc. PZT2222A,135
- Part No.:
- PZT2222A,135
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Bipolar Transistors
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
PZT2222A,135.pdf
- Description:
- TRANS NPN 40V 0.6A SOT-223
- Quantity:
- Payment:
- Shipping:
Inventory:23,481
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Product details
Overview
PZT2222A,135 from Nexperia is an NPN bipolar junction transistor (BJT) designed for medium-power switching and linear amplification in industrial and consumer electronics. It delivers 600 mA DC collector current, supports 40 V collector-emitter voltage, and achieves 300 MHz transition frequency. Its SOT223 package provides enhanced thermal performance via a large collector pad, enabling use in relay drivers and power supply control circuits.
For engineers reviewing the PZT2222A,135 datasheet, PZT2222A,135 pinout, PZT2222A,135 application, or PZT2222A,135 equivalent, key selection criteria include verified DC current gain (hFE = 50–300 at IC = 150–500 mA), low VCEsat (≤300 mV at IC = 150 mA/IB = 15 mA), thermal resistance (Rth j-a = 109 K/W), and SOT223 mechanical compatibility with high-current PCB layouts.
Technical Context
This NPN BJT operates as a current-controlled switch or small-signal amplifier with base-emitter forward bias enabling controlled collector current flow. Its hFE varies significantly with operating point-ranging from 35 at 0.1 mA to 300 at 500 mA-requiring careful bias network design for stable gain.
Switching behavior is characterized by 35 ns turn-on time and 250 ns turn-off time under defined test conditions (IC = 150 mA, IB = ±15 mA). The device's 8 pF collector capacitance and 25 pF emitter capacitance influence high-frequency response and layout-dependent parasitic oscillation risk.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCBO | 75 V - maximum reverse collector-base voltage before breakdown; defines safe off-state blocking capability |
| VCEO | 40 V - maximum collector-emitter voltage with base open; sets upper limit for switching rail voltage |
| IC (DC) | 600 mA - continuous collector current rating; determines usable load drive capacity without derating |
| hFE @ IC=150 mA | 50–100 - DC current gain range at mid-current; informs base drive resistor sizing for saturation |
| VCEsat @ IC=150 mA | ≤300 mV - collector-emitter saturation voltage; directly impacts conduction loss and thermal rise |
| fT | 300 MHz - transition frequency; indicates usable bandwidth for small-signal amplification |
| Rth j-a | 109 K/W - junction-to-ambient thermal resistance on standard PCB; governs maximum power dissipation at given ambient temperature |
Pinout & Package
The PZT2222A,135 is housed in a SOT223 plastic surface-mount package with an exposed collector pad for improved heat transfer. It features four leads: pins 1 (base), 2 and 4 (collector), and 3 (emitter), where pins 2 and 4 are internally connected to the same collector node and mounting pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base | Current-controlled input terminal; requires precise IB calculation to ensure full saturation or linear operation |
| 2, 4 | Collector | Common high-current output node; electrically and thermally tied to large copper pad for power handling |
| 3 | Emiter | Reference terminal for current flow; connects to ground or low-side return path in common-emitter configurations |
Key Features
| Feature | Design Value |
|---|---|
| High DC current capability | 600 mA rated collector current enables direct driving of relays, LEDs, and small solenoids without external buffering |
| Low saturation voltage | VCEsat ≤ 300 mV at IC = 150 mA/IB = 15 mA reduces conduction loss and self-heating in switching applications |
| SOT223 thermal design | Exposed collector pad and 28 K/W junction-to-solder-point resistance support reliable operation up to 1.15 W on standard FR4 |
| Wide hFE range | hFE = 35–300 across 0.1–500 mA allows flexible biasing for both switching and analog gain stages |
Applications
| Relay Driver Circuit | DC-DC Converter Switch |
|---|---|
Use Scenario: Driving 12 V, 100 mA electromechanical relay coil from a microcontroller GPIO. IC Role / Device Role / Timing Role: NPN switch controlling coil current path; operates in saturation mode with fast turn-on (35 ns) and turn-off (250 ns). Use Value: Low VCEsat (≤300 mV) minimizes power loss in coil path; SOT223 thermal mass prevents overheating during repeated actuation. | Use Scenario: High-side switch in non-synchronous buck converter feedback loop for 5 V output regulation. IC Role / Device Role / Timing Role: Linear amplifier stage setting reference voltage; biased at IC = 1 mA for stable hFE = 50–75. Use Value: Tight hFE consistency at low current ensures predictable reference accuracy; 6 V VEBO rating protects against op-amp output overshoot. |
| LED Current Regulator | Industrial Sensor Interface |
Use Scenario: Constant-current driver for high-brightness white LED string (3.2 V, 350 mA) in signage application. IC Role / Device Role / Timing Role: Active current sink with emitter-follower configuration; collector tied to 12 V rail, emitter to LED cathode. Use Value: 600 mA IC rating accommodates peak current demand; 40 V VCEO safely handles transient voltage spikes on 12 V bus. | Use Scenario: Level-shifting interface between 3.3 V MCU and 24 V industrial PLC input module. IC Role / Device Role / Timing Role: Digital translator converting logic-high signal into 24 V active-low input; operated as saturated switch. Use Value: 75 V VCBO withstands field-induced transients; 10 nA ICBO ensures negligible leakage at elevated temperatures (125 °C). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN switching transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MMBT2222ALT1G | Lower IC rating (600 mA vs. 800 mA pulsed); identical SOT23 footprint but smaller thermal mass | Not suitable for >300 mA continuous loads due to higher Rth j-a (200+ K/W) | Select only for space-constrained low-duty-cycle switching where thermal margin is verified |
| ZTX653 | Higher VCEO (60 V); hFE = 100–300 at IC = 500 mA; TO-92 package with inferior thermal performance | Limited to <500 mW continuous power; unsuitable for PCB-mounted heat sinking | Prefer when higher voltage headroom is required and board-level thermal management is impractical |
Compared with MMBT2222ALT1G and ZTX653, the PZT2222A,135 uniquely balances 600 mA DC current, 40 V VCEO, and SOT223 thermal capability-making it optimal for industrial relay drivers and 12 V power control where sustained current and thermal reliability are critical.
Availability
PZT2222A,135 is available at Aetrix Electronics and suitable for relay drivers, DC-DC converter feedback stages, LED current regulators, and industrial sensor interfaces requiring stable component supply across automotive-grade temperature ranges (−65 °C to +150 °C).
Supply support for PZT2222A,135 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 leader in discrete semiconductors, formed in 2017 from the former NXP Standard Products division. It specializes in high-volume, high-reliability components for automotive, industrial, and consumer markets.
The PZT2222A,135 belongs to Nexperia's general-purpose bipolar transistor product line, engineered for robust switching and amplification in cost-sensitive, thermally demanding applications where proven reliability and standardized packaging are essential.
FAQ
Is the PZT2222A,135 pin-compatible with the legacy PZT2222A?
Yes. The PZT2222A,135 retains identical pinout (SOT223, pins 1–4), electrical specifications, and thermal characteristics as the original PZT2222A. The ",135" suffix denotes tape-and-reel packaging per EIA-481 standard and does not indicate functional or mechanical revision.
What is the maximum allowable PCB copper area for the collector pad to achieve full 1.15 W power dissipation?
To sustain 1.15 W at Tamb = 25 °C, the collector pad must be 1 cm² of single-sided, tin-plated copper as specified in the datasheet. Reducing pad area increases Rth j-a proportionally-e.g., 0.5 cm² raises thermal resistance to ~150 K/W, limiting usable power to ~0.75 W.
Can the PZT2222A,135 replace a 2N2222A in existing designs?
Yes, with verification of thermal and switching requirements. While both are NPN BJTs, the PZT2222A,135 offers higher IC (600 mA vs. 800 mA pulsed for 2N2222A), lower VCEsat, and superior thermal performance in SOT223 versus TO-92-but requires layout adaptation for the 4-pin SOT223 footprint.
Does the PZT2222A,135 meet AEC-Q101 for automotive use?
No. The PZT2222A,135 is qualified to industrial grade (−65 °C to +150 °C operating range) but is not AEC-Q101 certified. For automotive applications, Nexperia offers the PZT2222A-Q series, which undergoes stress testing per AEC-Q101 and includes extended reliability reporting.
PZT2222A,135 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:
- NPN
- Current - Collector (Ic) (Max):
- 600 mA
- Voltage - Collector Emitter Breakdown (Max):
- 40 V
- Vce Saturation (Max) @ Ib, Ic:
- 1V @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 10nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 100 @ 150mA, 10V
- Power - Max:
- 1.15 W
- Frequency - Transition:
- 300MHz
- Operating Temperature:
- 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223
PZT2222A,135 FAQ
1.How can I place an order for PZT2222A,135 through Aetrix?
Please submit a Request for Quotation (RFQ) for PZT2222A,135 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 PZT2222A,135 reliable?
The price and inventory of PZT2222A,135 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PZT2222A,135 is usually 5 days.
3.What payment methods are accepted for PZT2222A,135?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PZT2222A,135 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PZT2222A,135?
PZT2222A,135 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PZT2222A,135 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 PZT2222A,135?
For technical support, including PZT2222A,135 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PZT2222A,135 requirements.
6.How does Aetrix verify that PZT2222A,135 is sourced from the original manufacturer or authorized distributors?
All PZT2222A,135 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 PZT2222A,135 meets industry standards.
7.What is the process for return or replacement of PZT2222A,135?
All PZT2222A,135 units undergo pre-shipment inspection (PSI). If there is an issue with PZT2222A,135, 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 PZT2222A,135 part is unused and in its original packaging.
Return procedure for PZT2222A,135:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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