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Diodes Incorporated DSS20200L-7
- Part No.:
- DSS20200L-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Bipolar Transistors
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DSS20200L-7.pdf
- Description:
- TRANS PNP 20V 2A SOT-23-3
- Quantity:
- Payment:
- Shipping:
Inventory:8,499
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Product details
Overview
DSS20200L from Diodes Incorporated is a PNP low-saturation bipolar junction transistor in SOT23 package, rated for -20V VCEO, -2A continuous collector current, and -120mV VCE(sat) at -1A. It delivers 40mΩ equivalent on-resistance and supports high-efficiency switching in automotive body control modules and industrial load switching circuits.
For engineers reviewing the DSS20200L datasheet, DSS20200L pinout, DSS20200L application, or DSS20200L equivalent, key selection criteria include verified low VCE(sat) performance across temperature, AEC-Q101 readiness, SOT23 thermal derating behavior, and complementary NPN pairing with DSS20201L.
Technical Context
This PNP transistor operates as a low-loss switch in high-side configurations, leveraging its -20V breakdown rating and -120mV saturation voltage at -1A to minimize conduction loss in 12V automotive systems. Its 100MHz fT and 330pF Cibo support moderate-speed digital switching up to ~500kHz.
The device uses standard base-driven BJT biasing with hFE = 150 at -2A and -2V VCE, enabling predictable current gain across -55°C to +150°C. Thermal resistance RθJA is 209°C/W on minimal PCB copper, requiring careful layout for sustained 2A operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | -20V - Supports full 12V automotive rail switching with margin against transients |
| IC (cont.) | -2A - Enables direct drive of medium-power loads like relays, LEDs, and solenoids |
| VCE(sat) | <-120mV @ -1A - Reduces power dissipation to <120mW at 1A, critical for thermally constrained SOT23 |
| RCE(sat) | 40mΩ - Enables precise current-sense resistor placement by minimizing voltage drop uncertainty |
| fT | 100MHz - Allows clean turn-on/turn-off within 180ns ton and 430ns toff for PWM control |
| hFE | 150 @ -2A - Ensures stable base drive design with 200mA IB required for full 2A switching |
| ESD HBM | 4000V - Meets IEC 61000-4-2 Level 4 for robust handling in automated assembly |
Pinout & Package
Package: SOT23 - Surface-mount plastic package with 0.915mm lead pitch, 2.40mm body length, and 1.30mm width; optimized for reflow soldering and manual inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Emitter) | Current source terminal | Connected to positive supply rail in high-side switch configuration |
| 2 (Base) | Control input | Receives negative current to enable conduction; requires current-limiting resistor |
| 3 (Collector) | Switched output | Drives load to ground; voltage swing limited to ≤|VCEO| = 20V |
Key Features
| Feature | Design Value |
|---|---|
| Low VCE(sat) | <-120mV at -1A enables <120mW conduction loss in space-constrained SOT23 |
| AEC-Q101 readiness | Qualified per AEC-Q101 with PPAP capability and IATF 16949 manufacturing |
| Green compound | Halogen- and antimony-free molding compound compliant with JEDEC J-STD-020 Level 1 |
| Complementary pairing | Matched performance with NPN DSS20201L for push-pull or H-bridge designs |
| Thermal stability | Specified hFE, VCE(sat), and fT over -55°C to +150°C operating range |
Applications
| Automotive Body Control | Industrial Load Switching |
|---|---|
|
Use Scenario: Driving door lock actuators and interior lighting in 12V vehicle electrical architecture. IC Role / Device Role / Timing Role: High-side PNP switch controlling current flow from battery to resistive/inductive loads. Use Value: -120mV VCE(sat) limits heat generation in sealed modules where airflow is restricted. |
Use Scenario: Replacing mechanical relays in programmable logic controller (PLC) output stages. IC Role / Device Role / Timing Role: Solid-state replacement for electromechanical switches handling 1–2A DC loads. Use Value: 430ns toff and 180ns ton support 2kHz PWM dimming without audible noise or excessive switching loss. |
| Power Supply Sequencing | LED Driver Interface |
|
Use Scenario: Enabling auxiliary rails in multi-rail DC-DC converter systems with strict startup timing. IC Role / Device Role / Timing Role: Controlled high-side enable switch with defined turn-on/turn-off delay for sequencing compliance. Use Value: 60ns td and 120ns tr ensure predictable power-up edge alignment across distributed subsystems. |
Use Scenario: Current-switching interface between microcontroller GPIO and high-brightness LED strings. IC Role / Device Role / Timing Role: Digital on/off driver translating logic-level signals into load current paths. Use Value: 150 hFE at 2A allows direct MCU drive with ≤20mA base current, eliminating external driver ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PNP low-saturation transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ZXTN2012ZTA | VCEO = -20V, VCE(sat) = -150mV @ -1A, RCE(sat) = 55mΩ, SOT89 package | Larger thermal mass but requires more board area; higher RCE(sat) increases conduction loss | Select when >600mW power dissipation is acceptable and board space permits TO-252 footprint |
| DMT3005LKQ-7 | VCEO = -30V, VCE(sat) = -140mV @ -1A, RCE(sat) = 45mΩ, SOT23-3L | Higher voltage rating adds margin but reduces hFE to 100 @ -2A, demanding higher base drive | Choose for 24V industrial systems where -30V breakdown is mandatory and base drive capability is available |
Compared with ZXTN2012ZTA and DMT3005LKQ-7, DSS20200L provides the lowest RCE(sat) (40mΩ) and best thermal efficiency in SOT23, making it optimal for compact, thermally sensitive 12V automotive and industrial switching where base drive current is constrained.
Availability
DSS20200L is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, power supply sequencing, and LED driver interfaces requiring stable component supply and AEC-Q101-aligned quality assurance.
Supply support for DSS20200L 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
DSS20200L belongs to Diodes' low-saturation BJT product line, engineered specifically for high-reliability 12V automotive and industrial switching applications where thermal efficiency and AEC-Q101 compliance are mandatory.
FAQ
What is the maximum continuous collector current for DSS20200L?
The DSS20200L supports -2A continuous collector current at TA = +25°C with minimum recommended PCB copper. Derating applies above 25°C ambient: power dissipation drops linearly to zero at +150°C per the 209°C/W RθJA specification.
Is DSS20200L qualified for automotive use?
Yes - DSS20200L is AEC-Q101 qualified, manufactured in IATF 16949 certified facilities, and supports PPAP documentation. It meets automotive change control requirements including traceability, lot control, and failure analysis protocols.
How does the SOT23 package affect thermal performance?
In SOT23, DSS20200L achieves 209°C/W RθJA on minimal copper and 104°C/W on 25mm × 25mm 1oz copper. At -2A and -120mV VCE(sat), junction temperature rise is ~25°C on minimal copper and ~12°C on enhanced copper - critical for layout-dependent reliability.
What is the base-emitter saturation voltage under typical operating conditions?
VBE(sat) is -0.9V at -1A collector current and -10mA base current. This value remains stable across -55°C to +150°C, enabling consistent base resistor calculation for fixed-current drive topologies.
DSS20200L-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- 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):
- 20 V
- Vce Saturation (Max) @ Ib, Ic:
- 180mV @ 200mA, 2A
- Current - Collector Cutoff (Max):
- 100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 180 @ 1A, 2V
- Power - Max:
- 600 mW
- Frequency - Transition:
- 100MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
DSS20200L-7 FAQ
1.How can I place an order for DSS20200L-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DSS20200L-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 DSS20200L-7 reliable?
The price and inventory of DSS20200L-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DSS20200L-7 is usually 5 days.
3.What payment methods are accepted for DSS20200L-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DSS20200L-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DSS20200L-7?
DSS20200L-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DSS20200L-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 DSS20200L-7?
For technical support, including DSS20200L-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DSS20200L-7 requirements.
6.How does Aetrix verify that DSS20200L-7 is sourced from the original manufacturer or authorized distributors?
All DSS20200L-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 DSS20200L-7 meets industry standards.
7.What is the process for return or replacement of DSS20200L-7?
All DSS20200L-7 units undergo pre-shipment inspection (PSI). If there is an issue with DSS20200L-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 DSS20200L-7 part is unused and in its original packaging.
Return procedure for DSS20200L-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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