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Diodes Incorporated 2DA1201Y-7
- Part No.:
- 2DA1201Y-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-243AA
- Datasheet:
-
2DA1201Y-7.pdf
- Description:
- TRANS PNP 120V 0.8A SOT-89-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,960
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Product details
Overview
2DA1201Y-7 from Diodes Incorporated is a PNP silicon power transistor in SOT89 package, rated for -120V VCEO, -0.8A continuous collector current, and minimum DC current gain hFE = 120 at -100mA. It features low VCE(sat) of -1V at -500mA/-50mA drive and is AEC-Q101 qualified for automotive power control applications.
For engineers reviewing the 2DA1201Y-7 datasheet, 2DA1201Y-7 pinout, 2DA1201Y-7 application, or 2DA1201Y-7 equivalent, key selection criteria include high-voltage PNP switching capability, thermal performance on FR4 PCBs (RθJA = 83°C/W), SOA compliance up to -120V/-0.8A DC, and automotive-grade reliability with PPAP support.
Technical Context
This PNP transistor operates in linear or saturated switching mode with guaranteed breakdown voltage of -120V across both C–B and C–E junctions, enabling robust high-side switch designs in 24V/48V industrial and automotive systems. Its fT = 160MHz supports fast turn-off in pulse-driven loads.
Thermal design is anchored by RθJL = 18.3°C/W (junction-to-leads) and validated derating curves for 25mm × 25mm 1oz Cu PCBs. ESD robustness meets JEDEC Class 3B HBM (≥8kV) and MM (≥400V), supporting automated assembly environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -120V - Enables use as high-side switch in 48V battery systems without avalanche stress. |
| IC (cont.) | -0.8A - Supports sustained load currents in motor drivers and solenoid controls. |
| hFE | 120–240 @ -100mA - Ensures reliable base drive margin for discrete gate driving or current amplification. |
| VCE(sat) | -1.0V @ -500mA/-50mA - Limits conduction loss to ≤500mW at rated current, easing thermal management. |
| RθJA | 83°C/W - Specifies maximum junction temperature rise on standard 25mm × 25mm FR4 board at 1.5W dissipation. |
| fT | 160MHz - Allows stable operation in PWM frequencies up to ~10MHz with controlled switching transitions. |
| ESD HBM | ≥8,000V - Permits handling and placement without special ESD precautions in production lines. |
Pinout & Package
Package: SOT89 - Surface-mount plastic package with exposed collector tab for thermal conduction and mechanical anchoring. Dimensions per AP02002: D = 4.4–4.6mm, E = 2.29–2.60mm, H = 3.94–4.25mm, weight ≈ 0.05g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Emitter) | E | Current source terminal; connected to higher potential rail in high-side switch configurations. |
| Pin 2 (Collector) | C | Main power path output; soldered to thermal pad for heat dissipation and low-inductance return path. |
| Pin 3 (Base) | B | Control input requiring negative bias relative to emitter to enable conduction. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive underhood applications (-40°C to +150°C ambient, vibration, thermal cycling). |
| Green construction | Halogen- and antimony-free molding compound (<900ppm Br/Cl, <1000ppm Sb), compliant with RoHS 2. |
| High BVCEO | Guaranteed -120V rating ensures margin against transients in 24V/48V systems with >100V load dump events. |
| Low RθJL | 18.3°C/W enables efficient heat transfer from junction to PCB copper via collector lead, improving power density. |
| PPAP capability | Full production part approval process documentation available for Tier 1 automotive suppliers. |
Applications
| Automotive Body Control Module | Industrial 48V DC Power Distribution |
|---|---|
|
Use Scenario: Driving door lock actuators and HVAC damper motors in 12V/24V vehicle architectures. IC Role / Device Role / Timing Role: High-side PNP switch controlling ground-referenced inductive loads with reverse-polarity protection. Use Value: -120V VCEO withstands load-dump transients; AEC-Q101 qualification ensures field reliability over 15-year vehicle life. |
Use Scenario: Solid-state replacement for electromechanical relays in telecom and data center 48V backup power rails. IC Role / Device Role / Timing Role: Discrete high-voltage switch enabling fast, low-loss ON/OFF control of distributed DC loads. Use Value: -1V VCE(sat) reduces conduction loss vs. MOSFET alternatives at sub-1A currents; SOT89 footprint simplifies layout. |
| LED Streetlight Driver Stage | Programmable Current Sink for Sensors |
|
Use Scenario: Constant-current regulation stage in outdoor LED lighting with wide input voltage range (36–75V). IC Role / Device Role / Timing Role: Linear pass element in series with LED string, modulated by external controller for dimming. Use Value: Stable hFE ≥120 ensures predictable current gain across temperature; SOA curve supports 100ms surge tolerance. |
Use Scenario: Precision current sink for analog sensor excitation (e.g., RTDs, bridge sensors) in industrial PLC modules. IC Role / Device Role / Timing Role: Low-noise, thermally stable current source referenced to system ground. Use Value: Tight VBE(on) consistency (-1V ±0.1V) and low ICBO (<100nA) minimize offset drift in µA-level sensing circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP high-voltage switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZTX951 | VCEO = -100V, IC = -1A, hFE = 100–300, TO-92 package | Lacks AEC-Q101 qualification and automotive PPAP; lower voltage rating limits use in 48V+ systems. | Preferred for cost-sensitive non-automotive consumer applications where -100V margin suffices. |
| MJD122 | VCEO = -100V, IC = -3A, hFE = 20–100, TO-252 package | Higher current but lower gain and no AEC-Q101; larger footprint and different thermal path. | Selected when >1A peak load current is required and automotive qualification is not mandatory. |
Compared with ZTX951 and MJD122, the 2DA1201Y-7 uniquely combines -120V rating, AEC-Q101 compliance, and SOT89 thermal efficiency-making it optimal for space-constrained, high-reliability 24V/48V automotive and industrial switches where gain stability and transient immunity are critical.
Availability
2DA1201Y-7 is available at Aetrix Electronics and suitable for automotive body control modules, industrial 48V power distribution units, and LED streetlight driver stages requiring stable component supply and long-term lifecycle assurance.
Supply support for 2DA1201Y-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and computing markets.
The 2DA1201Y belongs to Diodes' AEC-Q101-qualified bipolar transistor product line, engineered for high-voltage, high-temperature switching in safety-critical automotive subsystems and ruggedized industrial controls.
FAQ
What is the maximum safe operating area (SOA) for 2DA1201Y-7 at 85°C ambient?
At Tamb = 85°C, the SOA curve (Figure 3, DS35644 Rev 3-2) limits continuous operation to -120V/-0.3A or -60V/-0.8A DC. Derating follows the 1.5W power limit reduced by 12.5mW/°C above 25°C, yielding 0.75W max at 85°C. Pulse operation up to 100ms remains viable within the RCE(sat)-limited region.
Can 2DA1201Y-7 be used in parallel for higher current handling?
No-2DA1201Y-7 lacks built-in emitter ballasting or matched hFE binning, making current sharing unstable. Its positive temperature coefficient of VBE does not sufficiently compensate for thermal runaway between devices. For >0.8A, select a single higher-rated device like MJD122 or use a MOSFET-based solution.
Is the SOT89 package lead finish compatible with lead-free reflow profiles?
Yes-the matte tin-plated leads meet IPC-J-STD-020 moisture sensitivity Level 1 and are qualified for standard lead-free reflow (peak 260°C, 60s max). The "Green" molding compound is UL 94V-0 rated and halogen-free, supporting RoHS 2 and JEDEC-compliant assembly processes.
How does the 2DA1201Y-7 compare to NPN alternatives like MMBT4401 in high-side switching?
Unlike NPN transistors, the 2DA1201Y-7 functions as a true high-side switch without requiring level-shifting base drive circuitry. Its PNP topology simplifies control in grounded-load configurations, avoids shoot-through risk in half-bridges, and provides inherent reverse-polarity protection-key advantages over NPN solutions in automotive power distribution.
2DA1201Y-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-243AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- PNP
- Current - Collector (Ic) (Max):
- 800 mA
- Voltage - Collector Emitter Breakdown (Max):
- 120 V
- Vce Saturation (Max) @ Ib, Ic:
- 1V @ 50mA, 500mA
- Current - Collector Cutoff (Max):
- 100nA
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 120 @ 100mA, 5V
- Power - Max:
- 1.5 W
- Frequency - Transition:
- 160MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-89-3
2DA1201Y-7 FAQ
1.How can I place an order for 2DA1201Y-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 2DA1201Y-7 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 2DA1201Y-7 reliable?
The price and inventory of 2DA1201Y-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2DA1201Y-7 is usually 5 days.
3.What payment methods are accepted for 2DA1201Y-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2DA1201Y-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 2DA1201Y-7?
2DA1201Y-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 2DA1201Y-7 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 2DA1201Y-7?
For technical support, including 2DA1201Y-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2DA1201Y-7 requirements.
6.How does Aetrix verify that 2DA1201Y-7 is sourced from the original manufacturer or authorized distributors?
All 2DA1201Y-7 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 2DA1201Y-7 meets industry standards.
7.What is the process for return or replacement of 2DA1201Y-7?
All 2DA1201Y-7 units undergo pre-shipment inspection (PSI). If there is an issue with 2DA1201Y-7, 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 2DA1201Y-7 part is unused and in its original packaging.
Return procedure for 2DA1201Y-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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