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Diodes Incorporated DDA144EU-7-F
- Part No.:
- DDA144EU-7-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
DDA144EU-7-F.pdf
- Description:
- TRANS 2PNP PREBIAS 0.2W SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:5,584
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Product details
Overview
DDA144EU-7-F from Diodes Incorporated is a PNP pre-biased dual transistor in SOT363 package, featuring integrated 47kΩ base-emitter bias resistors (R1 = R2 = 47kΩ), −50V VCEO, −30mA IO, and −0.3V VCE(sat) at −10mA/−0.5mA drive. It enables compact, reliable switching in low-voltage logic interface and LED driver circuits.
For engineers reviewing the DDA144EU-7-F datasheet, DDA144EU-7-F pinout, DDA144EU-7-F application, or DDA144EU-7-F equivalent, this device supports high-reliability discrete logic-level translation, level-shifting, and load switching where space-constrained dual-PNP functionality with built-in biasing is required.
Technical Context
This dual PNP transistor integrates two identical pre-biased elements in one SOT363 package, each with matched 47kΩ input resistors and shared emitter configuration. Its −50V breakdown rating and −100mA IC(max) support robust operation in industrial control signal conditioning and automotive body electronics.
The device operates across −55°C to +150°C, with 200mW total power dissipation (150mW per element max) and 625°C/W θJA. Its −0.3V saturation voltage at −10mA/−0.5mA ensures low-loss switching in 3.3V/5V rail applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | −50V - Withstands up to −50V collector-to-emitter voltage before breakdown, enabling use in 24V industrial bus interfaces. |
| IO | −30mA - Maximum continuous output current per channel, suitable for driving small-signal loads like LEDs or logic inputs. |
| VCE(sat) | −0.3V @ −10mA/−0.5mA - Low saturation voltage minimizes power loss and heat generation in active-switching mode. |
| R1 / R2 | 47kΩ ±30% - Integrated bias resistors eliminate external components, reducing PCB area and BOM count for simple on/off control. |
| PD | 200mW - Total package power limit; requires thermal-aware layout with minimum pad area per Diodes' SOT363 recommendations. |
| TJ/TSTG | −55°C to +150°C - Qualified for under-hood automotive and industrial environments without derating below −40°C. |
Pinout & Package
Package: SOT363 - 6-pin, surface-mount, lead-free, halogen-free molded plastic package with 0.65mm pitch, UL 94V-0 rated, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Emitter (Channel A) | Common emitter node for first PNP transistor; connects to system ground or low-side return path. |
| 2 | Base (Channel A) | Input node with 47kΩ resistor to emitter; accepts logic-high (negative-going) control signals. |
| 3 | Collector (Channel A) | Output node for Channel A; sinks current when driven - used for active-low switching or pull-down functions. |
| 4 | Collector (Channel B) | Output node for Channel B; electrically isolated from Channel A collector, enabling independent load control. |
| 5 | Base (Channel B) | Input node with 47kΩ resistor to emitter; identical biasing to Pin 2 for matched dual-channel behavior. |
| 6 | Emitter (Channel B) | Common emitter node for second PNP transistor; may be tied to Pin 1 or used separately for dual-emitter configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Dual PNP with matched R1/R2 | 47kΩ ±30% integrated bias resistors per channel - eliminates external bias network, reduces component count by ≥4 parts per channel. |
| AEC-Q101 qualified variant available | DDA144EUQ-7-F version meets automotive stress testing requirements - supports direct use in body control modules and lighting ECUs. |
| Green, RoHS-compliant construction | Halogen- and antimony-free molding compound (<900ppm Br, <900ppm Cl, <1000ppm Sb) - satisfies EU environmental compliance without performance trade-offs. |
| SOT363 footprint compatibility | Standard 6-pin, 0.65mm-pitch package - drop-in replaceable with other DDA/DDC series devices (e.g., DDA124EU, DDC144EU) without layout change. |
Applications
| Industrial PLC I/O Modules | Automotive Interior Lighting Control |
|---|---|
|
Use Scenario: Driving 12V LED strings and optocoupler inputs in programmable logic controller digital output cards. IC Role / Device Role / Timing Role: Dual-channel active-low switch providing galvanically isolated, current-limited sink outputs for field-device interfacing. Use Value: Built-in 47kΩ biasing enables direct microcontroller GPIO connection without external resistors, reducing board area by ~12 mm² per channel. |
Use Scenario: Controlling map light, dome light, and courtesy lamp brightness via PWM dimming in vehicle cabin modules. IC Role / Device Role / Timing Role: PNP current sink for LED anode-side switching, supporting 100Hz–1kHz PWM without shoot-through risk. Use Value: −0.3V VCE(sat) limits conduction loss to <3mW per LED at 30mA, improving thermal margin in sealed lamp housings. |
| Consumer Appliance Panel Interface | Medical Diagnostic Equipment Signal Conditioning |
|
Use Scenario: Level-shifting and debouncing pushbutton inputs from 5V mechanical switches to 3.3V MCU GPIOs in washing machine control boards. IC Role / Device Role / Timing Role: Dual-input signal conditioner converting noisy, high-voltage switch closures into clean, low-current logic signals. Use Value: −50V VCEO withstands ESD transients up to ±8kV (IEC 61000-4-2), eliminating need for external TVS diodes on front-panel lines. |
Use Scenario: Isolating analog sensor excitation lines from microcontroller DAC outputs in portable ultrasound probe interfaces. IC Role / Device Role / Timing Role: Precision current source enable/disable switch for piezoelectric transducer bias rails. Use Value: Matched R1/R2 tolerance (±30%) and −55°C to +150°C operation ensure stable turn-on thresholds across clinical operating temperature ranges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual PNP pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DDA124EU-7-F | R1 = R2 = 22kΩ (vs. 47kΩ); higher input current (−0.88mA @ −5V) | Better suited for slower, higher-drive logic systems where faster turn-on is needed | Select when driving heavier capacitive loads or requiring lower input threshold voltage |
| DDC144EU-7-F | NPN complement; same R1/R2 = 47kΩ but opposite polarity and polarity-specific pinout | Required for high-side sourcing (vs. low-side sinking) in push-pull or totem-pole configurations | Choose for complementary output stages or when interfacing with NPN-driven control signals |
Compared with DDA124EU-7-F and DDC144EU-7-F, DDA144EU-7-F provides optimal balance of input sensitivity and noise immunity for 3.3V/5V logic-driven low-power sinking, while maintaining pin compatibility within the DDA/DDC family for flexible design reuse.
Availability
DDA144EU-7-F is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive interior lighting control, and consumer appliance panel interface requiring stable component supply and long-term manufacturability.
Supply support for DDA144EU-7-F 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.
This device belongs to the DDA/DDC pre-biased transistor product line, engineered specifically for space-constrained, high-reliability discrete logic interface and load switching in automotive, industrial, and consumer applications.
FAQ
What is the maximum allowable junction temperature for DDA144EU-7-F?
The absolute maximum junction temperature is +150°C, consistent with its −55°C to +150°C operating and storage range. At ambient temperatures above +85°C, power dissipation must be derated linearly using the 625°C/W θJA value and the FR-4 pad layout specified in Diodes' SOT363 outline drawing.
Can DDA144EU-7-F be used in place of a standard 2N3906 pair?
No - DDA144EU-7-F integrates base-emitter bias resistors and shares emitter terminals in a fixed dual configuration, whereas discrete 2N3906 transistors require external bias networks and offer full pin flexibility. It replaces resistor-equipped equivalents like NSVD144EU, not generic PNP transistors.
Is the SOT363 package lead-free and RoHS compliant?
Yes - DDA144EU-7-F uses matte tin-plated leads and a halogen- and antimony-free "Green" molding compound, fully complying with EU RoHS Directive 2015/863/EU (RoHS 3) and achieving UL 94V-0 flammability rating. No intentionally added lead is present.
What is the typical DC current gain (hFE) for this part?
DDA144EU-7-F does not specify hFE; it is a pre-biased transistor optimized for switch-mode operation, not linear amplification. Its key gain metric is current transfer ratio GL = IO/IIN, which is 68 (typical) at −5mA output and −5V input, confirming predictable digital switching behavior.
DDA144EU-7-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Transistor Type:
- 2 PNP - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 47kOhms
- Resistor - Emitter Base (R2):
- 47kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 68 @ 5mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 500µA, 10mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 250MHz
- Power - Max:
- 200mW
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
DDA144EU-7-F FAQ
1.How can I place an order for DDA144EU-7-F through Aetrix?
Please submit a Request for Quotation (RFQ) for DDA144EU-7-F 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 DDA144EU-7-F reliable?
The price and inventory of DDA144EU-7-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDA144EU-7-F is usually 5 days.
3.What payment methods are accepted for DDA144EU-7-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDA144EU-7-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDA144EU-7-F?
DDA144EU-7-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDA144EU-7-F 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 DDA144EU-7-F?
For technical support, including DDA144EU-7-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDA144EU-7-F requirements.
6.How does Aetrix verify that DDA144EU-7-F is sourced from the original manufacturer or authorized distributors?
All DDA144EU-7-F 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 DDA144EU-7-F meets industry standards.
7.What is the process for return or replacement of DDA144EU-7-F?
All DDA144EU-7-F units undergo pre-shipment inspection (PSI). If there is an issue with DDA144EU-7-F, 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 DDA144EU-7-F part is unused and in its original packaging.
Return procedure for DDA144EU-7-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDA144EU-7-F Tags
-
SMUN5311DW1T1G
onsemi
-
UMH9NTN
Rohm Semiconductor
-
PUMH13,115
Nexperia USA Inc.
-
PUMD3-QX
Nexperia USA Inc.
-
PUMD2,115
Nexperia USA Inc.
-
RN4987FE,LF(CT
Toshiba Semiconductor and Storage
-
PUMD12,115
Nexperia USA Inc.
-
PUMD9,115
Nexperia USA Inc.
-
PUMH9,115
Nexperia USA Inc.
-
PUMD3,115
Nexperia USA Inc.
-
DCX114EU-7-F
Diodes Incorporated
-
PUMD13,115
Nexperia USA Inc.
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