onsemi NSS12601CF8T1G
- Part No.:
- NSS12601CF8T1G
- Manufacturer:
- onsemi
- Category:
- Single Bipolar Transistors
- Package:
- 8-SMD, Flat Leads
- Datasheet:
-
NSS12601CF8T1G.pdf
- Description:
- TRANS NPN 12V 6A CHIPFET
- Quantity:
- Payment:

- Shipping:

Inventory:3,000
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Product details
Overview
NSS12601CF8T1G from onsemi is an NPN bipolar junction transistor in the e2PowerEdge family, designed for low-voltage, high-speed switching with 12 V VCEO, 8.0 A peak collector current, and ultra-low 7–120 mV VCE(sat) across 0.1–4.0 A loads. It delivers high DC current gain (hFE = 200–395) and operates up to 140 MHz fT, enabling efficient energy control in portable power management circuits.
For engineers reviewing the NSS12601CF8T1G datasheet, pinout, applications, or equivalent options, key selection criteria include saturation voltage at high current, thermal resistance under PCB copper area constraints (RJA = 90 °C/W @ 500 mm²), and direct drive compatibility from PMU outputs without external base resistors.
Technical Context
This device uses a planar epitaxial silicon structure optimized for low VCE(sat) and linear beta behavior, supporting both switching and analog amplifier roles. Its safe operating area (SOA) is defined for single-pulse operation up to 10 A at 10 V with 1 ms duration, and it features HBM Class 3B ESD protection.
The ChipFET package enables compact layout with eight terminals: six collectors tied internally, one base, and one emitter - delivering low-inductance, high-current paths ideal for DC–DC converter output stages and motor driver half-bridges where thermal dissipation and switching speed are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 12 V - Maximum allowable collector-emitter voltage before breakdown; sets upper limit for switch node voltage in 12 V rail applications. |
| IC(peak) | 8.0 A - Peak pulsed collector current capability; supports transient load demands in battery-powered motor drivers. |
| VCE(sat) @ 1.0 A | 7–10 mV - Ultra-low saturation voltage reduces conduction loss to <10 mW at 1 A, improving efficiency in high-duty-cycle switches. |
| hFE | 200–395 - High and stable DC current gain across 10 mA–3 A; allows direct interface with low-drive-strength PMU outputs (e.g., 10 mA base drive). |
| fT | 140 MHz - Transition frequency confirms suitability for >1 MHz switching in synchronous buck converters. |
| RJA (500 mm²) | 90 °C/W - Thermal resistance measured on FR-4 with 500 mm² copper; defines temperature rise per watt under typical PCB heatsinking. |
| ESD Rating | HBM Class 3B - Withstands ≥8 kV human-body-model ESD, reducing need for external protection in handheld product designs. |
Pinout & Package
The NSS12601CF8T1G is housed in a ChipFET package (Case 1206A, Style 4), an 8-pin surface-mount outline with exposed collector pads for enhanced thermal and electrical performance. The package measures 3.05 × 1.65 × 0.35 mm and supports reflow soldering per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 6, 7, 8 | Collector | Internally connected collector terminals; provide parallel low-inductance current paths and thermal spreading to PCB copper. |
| 4 | Base | Single base input controlling all collector-emitter channels; requires ≤0.9 V VBE(on) for full turn-on at 1 A. |
| 5 | Emiter | Common emitter reference terminal; must be routed with low impedance to minimize switching noise coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low VCE(sat) | As low as 7 mV at IC = 1.0 A / IB = 10 mA - cuts conduction loss by >50% vs. standard BJT alternatives in 5–12 V systems. |
| High hFE linearity | hFE remains ≥200 from 10 mA to 3 A - enables predictable gain in analog amplifiers and eliminates need for gain-compensation networks. |
| ChipFET thermal design | RJL = 15 °C/W (junction-to-lead) - directs >60% of heat through leadframe to PCB, enabling 1.4 W continuous dissipation with proper copper area. |
| Pb-free & RoHS-compliant | Marked with "G" suffix and conforms to JEDEC J-STD-020 - ensures compatibility with lead-free assembly processes and global environmental regulations. |
Applications
| DC–DC Converter Output Stage | Portable Device Power Management |
|---|---|
Use Scenario: Synchronous buck converter in smartphone PMIC supplying core voltage to application processor. IC Role / Device Role / Timing Role: Low-side switching transistor handling 3–6 A pulsed load currents at 1–3 MHz switching frequency. Use Value: 7 mV VCE(sat) at 1 A reduces conduction loss to <7 mW, minimizing thermal stress and extending battery runtime. | Use Scenario: Load switch enabling/disabling USB peripheral power in Bluetooth headset or smartwatch. IC Role / Device Role / Timing Role: Single-pole, single-throw discrete switch controlled directly by SoC GPIO with no level-shifting. Use Value: High hFE allows full saturation with 10 mA base drive, eliminating external base resistor and saving board space. |
| Low-Voltage Motor Driver | Automotive Instrument Cluster |
Use Scenario: H-bridge half-bridge stage driving 5 V, 2 A spindle motor in portable SSD enclosure. IC Role / Device Role / Timing Role: High-current NPN switch paired with complementary PNP or MOSFET for bidirectional control. Use Value: Six paralleled collector pins reduce bond-wire inductance, suppressing voltage spikes during 100 ns turn-off transitions. | Use Scenario: Airbag deployment circuit triggering squib firing pulse in vehicle instrument cluster module. IC Role / Device Role / Timing Role: Fast-switching driver amplifying microcontroller logic signal to deliver 1 A pulse to pyrotechnic initiator. Use Value: 110 ns delay + 140 ns rise time ensures sub-500 ns total turn-on, meeting automotive safety-critical timing requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NPN low VCE(sat) transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXTN25050DFHTA | VCEO = 50 V, IC = 5 A, VCE(sat) = 140 mV @ 2 A - higher voltage rating but 20× higher saturation voltage. | Suitable for industrial 24–48 V systems; not recommended for 12 V battery-powered devices requiring <100 mW conduction loss. | Select only if system voltage exceeds 12 V or higher breakdown margin is required; avoid when efficiency at low voltage is critical. |
| DMT3020LFG | Enhancement-mode N-channel MOSFET, RDS(on) = 20 mΩ @ VGS = 4.5 V - zero gate current, but requires ≥4.5 V gate drive and lacks linear gain. | Better for high-frequency (>5 MHz) switching; unsuitable for analog amplifier use or direct PMU GPIO drive without level shift. | Prefer for high-efficiency, high-frequency SMPS; choose NSS12601CF8T1G when base-driven simplicity, analog linearity, or sub-3 V control is needed. |
Compared with ZXTN25050DFHTA and DMT3020LFG, the NSS12601CF8T1G uniquely balances ultra-low VCE(sat), high hFE, and direct low-voltage base drive - making it optimal for cost-sensitive, thermally constrained 12 V portable power stages where MOSFET gate drive complexity or BJT saturation loss must be minimized.
Availability
NSS12601CF8T1G is available at Aetrix Electronics and suitable for DC–DC converters, portable device power management, and low-voltage motor control applications requiring stable component supply, Pb-free compliance, and high-volume manufacturability.
Supply support for NSS12601CF8T1G 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 (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient electronics, with leadership in power management, analog, sensors, and connectivity solutions.
The e2PowerEdge family - including NSS12601CF8T1G - was engineered specifically for high-efficiency, low-voltage switching in battery-powered consumer and automotive systems where minimal conduction loss and direct digital control are essential.
FAQ
What is the maximum continuous collector current rating for NSS12601CF8T1G?
The NSS12601CF8T1G has a maximum continuous collector current (IC) of 6.0 A at TA = 25°C with adequate PCB copper area (500 mm²). This rating assumes operation within the SOA limits and derating per the 11.1 mW/°C thermal coefficient above 25°C ambient. At higher temperatures or reduced copper area, the usable current drops significantly - for example, to ~3.5 A at 85°C ambient with 500 mm² copper.
Does NSS12601CF8T1G support direct drive from a 3.3 V microcontroller GPIO?
Yes, NSS12601CF8T1G supports direct drive from a 3.3 V microcontroller GPIO. Its VBE(on) is specified at 0.72–0.90 V at IC = 1.0 A, and with hFE ≥200, only ~5 mA base current is needed for full saturation at 1 A collector current. Most 3.3 V GPIOs can source this without external buffering, provided trace inductance and layout minimize ringing during fast switching.
What is the thermal resistance junction-to-ambient for NSS12601CF8T1G under standard PCB conditions?
The NSS12601CF8T1G has two RJA ratings: 150 °C/W for FR-4 with 100 mm² copper (Note 1), and 90 °C/W for FR-4 with 500 mm² copper (Note 2). The latter applies to typical high-current layouts and enables 1.4 W continuous power dissipation at TA = 25°C. For accurate thermal design, always use the 90 °C/W value with verified 500 mm² copper pour under the exposed collector pads.
Can NSS12601CF8T1G be used in analog amplifier configurations?
Yes, NSS12601CF8T1G is explicitly characterized for analog amplifier use due to its linear DC current gain (hFE) across five decades of collector current (10 mA to 3 A) and stable VBE(sat) behavior. The datasheet highlights "Linear Gain (Beta)" as a key attribute, and typical hFE variation is <±15% from 100 mA to 2 A - making it suitable for precision current mirrors, active loads, and low-distortion preamplifier stages.
What does the "F8" in NSS12601CF8T1G signify?
The "F8" in NSS12601CF8T1G is the device-specific code assigned by onsemi to identify this exact variant within the e2PowerEdge NPN transistor family. It appears in the marking diagram as part of the top-side laser marking (C C C B C C C E format), and correlates to the electrical binning, process lot, and test configuration unique to NSS12601CF8T1G - distinguishing it from other members like NSS12602 or NSS12610 in the same ChipFET footprint.
NSS12601CF8T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 8-SMD, Flat Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Transistor Type:
- NPN
- Current - Collector (Ic) (Max):
- 6 A
- Voltage - Collector Emitter Breakdown (Max):
- 12 V
- Vce Saturation (Max) @ Ib, Ic:
- 120mV @ 400mA, 4A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 200 @ 1A, 2V
- Power - Max:
- 830 mW
- Frequency - Transition:
- 140MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- ChipFET™
NSS12601CF8T1G FAQ
1.How can I place an order for NSS12601CF8T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NSS12601CF8T1G 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 NSS12601CF8T1G reliable?
The price and inventory of NSS12601CF8T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NSS12601CF8T1G is usually 5 days.
3.What payment methods are accepted for NSS12601CF8T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NSS12601CF8T1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NSS12601CF8T1G?
NSS12601CF8T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NSS12601CF8T1G 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 NSS12601CF8T1G?
For technical support, including NSS12601CF8T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NSS12601CF8T1G requirements.
6.How does Aetrix verify that NSS12601CF8T1G is sourced from the original manufacturer or authorized distributors?
All NSS12601CF8T1G 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 NSS12601CF8T1G meets industry standards.
7.What is the process for return or replacement of NSS12601CF8T1G?
All NSS12601CF8T1G units undergo pre-shipment inspection (PSI). If there is an issue with NSS12601CF8T1G, 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 NSS12601CF8T1G part is unused and in its original packaging.
Return procedure for NSS12601CF8T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NSS12601CF8T1G Tags

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