onsemi NSS12200LT1G
- Part No.:
- NSS12200LT1G
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
NSS12200LT1G.pdf
- Description:
- TRANS PNP 12V 2A SOT23-3
- Quantity:
- Payment:

- Shipping:

Inventory:113
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Product details
Overview
NSS12200LT1G from onsemi is a PNP bipolar junction transistor optimized for low-voltage, high-speed switching with −12 V VCEO, −4.0 A ICM, and ultra-low −0.065 V typical VCE(sat) at −1.0 A/−0.100 A drive. It serves as a high-efficiency power switch in DC-DC converters and battery-powered portable electronics.
For engineers reviewing the NSS12200LT1G datasheet, pinout, applications, or equivalent options, key selection criteria include verified PNP polarity, SOT-23 package thermal performance (RJA = 230 °C/W on 500 mm² copper), guaranteed −7.0 V VEBO, and AEC-Q101 qualification for automotive airbag and instrument cluster use.
Technical Context
This device belongs to onsemi's e2PowerEdge family of low VCE(sat) transistors, engineered for energy-efficient switching in space-constrained designs. Its linear current gain (hFE = 150–300 across −10 mA to −2.0 A) enables direct drive from PMU outputs without external amplification.
It operates reliably across −55 °C to +150 °C junction temperature, with safe operating area (SOA) validated up to 10 ms pulses at −12 V/−2.0 A. Switching performance includes 60 ns delay and 130 ns fall time under −10 V VCC, −750 mA IC, and 15 mA IB1 conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −12 V - Maximum collector-emitter blocking voltage in open-base configuration; defines system rail compatibility with ≤12 V supplies. |
| ICM | −4.0 A - Peak pulsed collector current capability; supports short-duration load surges in motor control and power management. |
| VCE(sat) (typ) | −0.065 V @ −1.0 A/−0.100 A - Ultra-low saturation voltage minimizes conduction loss and self-heating in high-current switching paths. |
| hFE | 150–300 - High and stable DC current gain across operating range; reduces base drive power requirement and simplifies bias network design. |
| fT | 100 MHz - Transition frequency confirming suitability for high-speed switching up to several tens of MHz in PWM circuits. |
| RJA | 230 °C/W (500 mm² copper) - Thermal resistance enabling 540 mW continuous dissipation at 25 °C ambient; critical for PCB layout thermal planning. |
| AEC-Q101 | Qualified - Meets stress test requirements for automotive electronic components; supports deployment in airbag and instrument cluster systems. |
Pinout & Package
SOT-23 (TO-236) surface-mount package, 2.90 × 1.30 × 1.00 mm, case 318 style 6. Standard marking: "122" on top face; pin 1 = Base, pin 2 = Emitter, pin 3 = Collector.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Base) | Control input terminal | Receives base current to saturate or cut off the transistor; requires −0.100 A for full turn-on at −1.0 A collector load. |
| 2 (Emitter) | Current source reference node | Connected to higher-potential rail in PNP high-side switch configurations; must withstand −7.0 V reverse bias relative to base. |
| 3 (Collector) | Load current output terminal | Delivers switched current to load; rated for −12 V reverse bias and −4.0 A peak pulse; thermally coupled to PCB via exposed pad (if used). |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low VCE(sat) | −0.065 V typ. at −1.0 A ensures <130 mW conduction loss per switch, reducing thermal load in compact DC-DC modules. |
| High hFE linearity | hFE ≥150 up to −2.0 A enables predictable analog gain and stable digital switching without gain collapse. |
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD (HBM Class 3B), supporting safety-critical subsystems. |
| Pb-free, RoHS-compliant | Meets global environmental regulations; compatible with lead-free reflow profiles and halogen-free board assembly processes. |
| Thermal optimization | 230 °C/W RJA on 500 mm² copper allows >500 mW continuous operation without heatsinking in portable applications. |
Applications
| DC-DC Converters | Portable Power Management |
|---|---|
Use Scenario: Step-down (buck) converter output stage in smartphones and PDAs requiring efficient 3.3 V or 5 V regulation from single-cell Li-ion. IC Role / Device Role / Timing Role: PNP high-side synchronous rectifier or low-side switch in discrete power stage; handles peak currents up to −4.0 A during transient loads. Use Value: −0.065 V VCE(sat) cuts conduction loss by >40% vs. standard PNP transistors, extending battery runtime and reducing thermal derating. |
Use Scenario: Load switching for USB peripherals, backlight drivers, or audio amplifiers in MP3 players and digital cameras. IC Role / Device Role / Timing Role: Low-loss ON/OFF power gate controlled directly by PMU GPIO; leverages high hFE to eliminate base resistors or driver ICs. Use Value: Direct PMU drive capability and −7.0 V VEBO rating ensure robust operation during supply brownouts and hot-swap events. |
| Automotive Instrument Clusters | Low-Voltage Motor Control |
Use Scenario: Driving LED arrays, stepper coil segments, or buzzer drivers in dashboard displays and warning systems. IC Role / Device Role / Timing Role: High-reliability discrete switch qualified to AEC-Q101; interfaces between microcontroller I/O and 12 V vehicle bus loads. Use Value: −55 °C to +150 °C operating range and HBM Class 3B ESD protection ensure functional integrity across automotive thermal cycles. |
Use Scenario: Commutation control in spindle motors and voice coil actuators within optical disc drives and tape storage systems. IC Role / Device Role / Timing Role: Fast-switching PNP element in H-bridge half-bridge legs; delivers precise current direction reversal with 120 ns rise time. Use Value: 100 MHz fT and 250 ns storage time support PWM frequencies >100 kHz, enabling smooth torque control and reduced acoustic noise. |
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 |
|---|---|---|---|
| MMBT3906LT1G | Lower ICM (−200 mA), higher VCE(sat) (−0.4 V typ.), no AEC-Q101 qualification | Suitable only for signal-level switching or low-current bias networks-not for power switching above 100 mA | Select when cost sensitivity outweighs current capacity and automotive compliance; not drop-in for NSS12200LT1G's −4.0 A role. |
| ZTX951 | TO-92 package, −1.5 A IC, −0.15 V VCE(sat) @ −1.0 A, no Pb-free option | Requires through-hole assembly and larger board area; lacks RoHS and thermal performance of SOT-23 variant | Choose only for legacy through-hole designs where rework to SMT is impractical; thermal derating limits continuous power vs. NSS12200LT1G. |
Compared with MMBT3906LT1G and ZTX951, NSS12200LT1G uniquely combines −4.0 A peak current, −0.065 V VCE(sat), AEC-Q101 qualification, and SOT-23 footprint-enabling higher-density, higher-efficiency, and automotive-grade implementations not achievable with either alternative.
Availability
NSS12200LT1G is available at Aetrix Electronics and suitable for DC-DC converters, portable power management systems, and automotive instrument clusters requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for NSS12200LT1G 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
onsemi is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
NSS12200LT1G belongs to the e2PowerEdge family-engineered specifically for low-voltage, high-current switching in space-constrained portable and automotive power systems where minimal conduction loss and reliable thermal performance are essential.
FAQ
What is the maximum continuous collector current rating for NSS12200LT1G?
The NSS12200LT1G has a maximum continuous collector current (IC) rating of −2.0 A at TA = 25 °C. This rating assumes proper PCB thermal management-specifically 500 mm² of 1 oz. copper-to sustain the 540 mW total device dissipation limit. Exceeding −2.0 A continuously without enhanced cooling risks thermal runaway.
Is NSS12200LT1G suitable for automotive applications?
Yes, NSS12200LT1G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications such as airbag deployment circuits and instrument cluster drivers. Its −55 °C to +150 °C operating range, HBM Class 3B ESD rating, and validated SOA support functional safety requirements in non-safety-critical vehicle subsystems.
What is the typical VCE(sat) of NSS12200LT1G at 1.0 A collector current?
The typical VCE(sat) of NSS12200LT1G is −0.065 V at −1.0 A collector current and −0.100 A base current (IC/IB = 10). This ultra-low saturation voltage is confirmed in the datasheet's Electrical Characteristics table and is critical for minimizing power loss in high-current switching nodes.
Which package type does NSS12200LT1G use, and what are its dimensions?
NSS12200LT1G uses the SOT-23 (TO-236) package, case 318 style 6, with physical dimensions of 2.90 mm × 1.30 mm × 1.00 mm and 1.90 mm pin pitch. Pin 1 is Base, Pin 2 is Emitter, and Pin 3 is Collector-verified in the mechanical drawings and marking diagram of the official onsemi datasheet.
Does NSS12200LT1G have Pb-free and RoHS-compliant construction?
Yes, NSS12200LT1G is Pb-free, halogen-free/BFR-free, and fully RoHS compliant, as stated in the datasheet's features section and ordering information. The "G" suffix in the part number explicitly denotes the Pb-free package, and it meets JEDEC J-STD-020 moisture sensitivity level 1 requirements.
NSS12200LT1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 2 A
- Voltage - Collector Emitter Breakdown (Max):
- 12 V
- Vce Saturation (Max) @ Ib, Ic:
- 180mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 250 @ 500mA, 2V
- Power - Max:
- 460 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3 (TO-236)
NSS12200LT1G FAQ
1.How can I place an order for NSS12200LT1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NSS12200LT1G 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 NSS12200LT1G reliable?
The price and inventory of NSS12200LT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSS12200LT1G is usually 5 days.
3.What payment methods are accepted for NSS12200LT1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSS12200LT1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSS12200LT1G?
NSS12200LT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSS12200LT1G 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 NSS12200LT1G?
For technical support, including NSS12200LT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSS12200LT1G requirements.
6.How does Aetrix verify that NSS12200LT1G is sourced from the original manufacturer or authorized distributors?
All NSS12200LT1G 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 NSS12200LT1G meets industry standards.
7.What is the process for return or replacement of NSS12200LT1G?
All NSS12200LT1G units undergo pre-shipment inspection (PSI). If there is an issue with NSS12200LT1G, 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 NSS12200LT1G part is unused and in its original packaging.
Return procedure for NSS12200LT1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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