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Diodes Incorporated DDC124EU-7
- Part No.:
- DDC124EU-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- -
- Datasheet:
-
DDC124EU-7.pdf
- Description:
- TRANS 2NPN PREBIAS 0.2W SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:180
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Product details
Overview
DDC124EU-7 from Diodes Incorporated is an NPN pre-biased dual small-signal transistor in SOT363 package, featuring two 22 kΩ built-in bias resistors (R1 = R2), 50 V VCEO, 30 mA continuous output current per channel, and AEC-Q101 qualification for automotive use. It functions as a dual digital switch or level translator in low-power logic interface circuits.
For engineers reviewing the DDC124EU-7 datasheet, DDC124EU-7 pinout, DDC124EU-7 application, or DDC124EU-7 equivalent, key selection criteria include input voltage thresholds (VI(on) = 1.9 V, VI(off) = 0.5 V at VCC = 5 V), output saturation voltage (VCE(sat) ≤ 0.3 V @ IC/IB = 2.5 mA/0.25 mA), DC current gain (hFE = 100–600), and thermal derating behavior up to +150 °C ambient.
Technical Context
This dual NPN transistor integrates matched base-emitter biasing networks (R1 = R2 = 22 kΩ ±30%) to eliminate external resistors in digital switching applications. Each channel operates independently with common-emitter configuration and shares no internal connection between collectors or emitters.
It supports rail-to-rail input operation from –10 V to +40 V, delivers 30 mA output per channel with 100 mA peak capability, and maintains stable performance across –55 °C to +150 °C operating temperature range under AEC-Q101 stress conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCEO | 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V industrial and 12 V automotive supply domains. |
| IO (per channel) | 30 mA - Continuous output current rating; sufficient to drive LED indicators, small relays, or logic gate inputs directly. |
| VI(on) | 1.9 V @ IO = 5 mA - Input threshold for reliable turn-on with standard 3.3 V or 5 V CMOS/TTL logic levels. |
| VCE(sat) | ≤0.3 V @ IC/IB = 2.5 mA/0.25 mA - Low saturation voltage minimizes power loss and heat generation in switching mode. |
| PD | 200 mW - Total package power dissipation; requires no heatsink in typical PCB layouts with minimum pad area. |
| RθJA | 625 °C/W - Thermal resistance from junction to ambient; aligns with FR-4 board mounting per JEDEC standards. |
| TJ Range | –55 °C to +150 °C - Full automotive-grade operating temperature envelope validated per AEC-Q101. |
Pinout & Package
Package: SOT363 - 6-pin, surface-mount, dual-transistor package with 0.65 mm pitch, UL 94V-0 molded plastic body, and matte tin-plated leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (C1) | Collector of Transistor 1 | Output node for first NPN switch; connects to load return path or pull-up resistor. |
| 2 (B1) | Base of Transistor 1 | Internally connected to R1 (22 kΩ) and R2 (22 kΩ); accepts logic-level input signal. |
| 3 (E1) | Emitter of Transistor 1 | Common emitter node for first transistor; typically tied to ground reference. |
| 4 (E2) | Emitter of Transistor 2 | Common emitter node for second transistor; electrically isolated from E1 unless externally connected. |
| 5 (B2) | Base of Transistor 2 | Internally connected to R1 (22 kΩ) and R2 (22 kΩ); independent input path from B1. |
| 6 (C2) | Collector of Transistor 2 | Output node for second NPN switch; fully independent from C1 for dual-channel operation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bias network | Matched R1 = R2 = 22 kΩ ±30% eliminates need for four external resistors in dual-switch designs. |
| AEC-Q101 qualification | Validated for automotive applications including body control modules and lighting drivers requiring PPAP documentation. |
| Green RoHS compliance | Fully lead-free, halogen-free (<900 ppm Br+Cl), and antimony-free per EU Directive 2015/863/EU. |
| Thermal robustness | Rated for continuous operation at +150 °C junction temperature with full parameter retention. |
| SOT363 footprint | Standardized 2.15 × 2.10 mm outline compatible with high-volume reflow assembly and automated optical inspection. |
Applications
| Automotive LED Tail Light Control | Industrial PLC Digital Output Module |
|---|---|
|
Use Scenario: Driving individual red/amber LED strings in rear combination lamps using microcontroller GPIO signals. IC Role / Device Role / Timing Role: Dual NPN switch translating 3.3 V MCU outputs to 12 V LED current paths with fast turn-on/off response. Use Value: Eliminates discrete resistor networks per channel, reducing BOM count by 4 components and PCB area by >1.5 mm² per switch pair. |
Use Scenario: Isolating and amplifying 24 V DC digital outputs from programmable logic controllers to field actuators. IC Role / Device Role / Timing Role: Level-shifting and current-boosting interface between low-voltage logic and industrial solenoid loads. Use Value: Supports 30 mA per channel at <0.3 V saturation, enabling direct drive of 24 V/100 Ω loads without additional driver stages. |
| Consumer Appliance Display Backlight Driver | Medical Infusion Pump Status Indicator |
|
Use Scenario: Controlling segmented white LED backlights in smart home appliance displays with PWM dimming. IC Role / Device Role / Timing Role: Dual-channel constant-current switch enabling independent brightness control of display zones. Use Value: Input threshold of 1.9 V ensures compatibility with 3.3 V microcontrollers; thermal stability prevents flicker at elevated cabinet temperatures. |
Use Scenario: Driving bi-color status LEDs (red/green) indicating infusion completion or alarm states in Class II medical devices. IC Role / Device Role / Timing Role: Safety-critical indicator driver with guaranteed turn-off at 0.5 V input and AEC-Q101 reliability validation. Use Value: AEC-Q101 qualification provides documented failure rate data required for ISO 13485 design history files and risk management reports. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual NPN pre-biased transistor applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DDC144EU-7-F | R1 = R2 = 47 kΩ (vs. 22 kΩ), higher input impedance, lower input current (0.18 mA @ 5 V). | Better suited for battery-powered systems where input leakage must be minimized. | Select when driving from high-impedance sources or extending MCU GPIO battery life. |
| DDC114YU-7-F | Asymmetric bias: R1 = 10 kΩ, R2 = 47 kΩ; VI(on) = 1.9 V but optimized for faster switching with lower base drive. | Preferred for high-speed logic interfacing (e.g., UART line drivers) requiring reduced propagation delay. | Choose when switching speed > current drive is prioritized, especially above 100 kHz toggle rates. |
Compared with DDC144EU-7-F and DDC114YU-7-F, the DDC124EU-7 offers balanced input sensitivity and output drive for general-purpose automotive and industrial switching-neither maximizing battery life nor minimizing propagation delay, but delivering optimal trade-off for cost-sensitive dual-channel logic buffering.
Availability
DDC124EU-7 is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, consumer appliance backlighting, and medical device status indication requiring stable component supply and long-term manufacturability.
Supply support for DDC124EU-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, headquartered in Plano, Texas, with design, manufacturing, and distribution operations across Asia, Europe, and North America.
The DDC series targets cost-sensitive, space-constrained digital switching applications requiring integrated biasing and automotive qualification-designed specifically to replace discrete transistor-resistor combinations in body electronics and control modules.
FAQ
What is the maximum safe operating voltage for DDC124EU-7?
The absolute maximum collector-emitter voltage (VCEO) is 50 V, and the maximum input voltage (VI) is –10 V to +40 V per channel. Operation beyond these limits risks permanent damage. For 24 V automotive systems, a 50 V rating provides 108% safety margin against load-dump transients.
Can DDC124EU-7 drive a 100 mA load?
No-its rated continuous output current is 30 mA per channel, with 100 mA specified only as non-repetitive peak. Driving 100 mA continuously exceeds thermal limits and violates SOA constraints, risking thermal runaway or parametric shift. Use external driver stages for >30 mA loads.
Is DDC124EU-7 pin-compatible with other SOT363 pre-biased transistors?
Yes-pinout matches industry-standard SOT363 dual-transistor layout (C-B-E–E-B-C). However, internal resistor values differ across part numbers (e.g., DDC144EU uses 47 kΩ), so electrical behavior is not interchangeable without circuit review.
Does DDC124EU-7 require external decoupling capacitors?
No-its function is DC switching, not high-frequency amplification. Decoupling is unnecessary unless used in noisy environments where VCC ripple exceeds 100 mV; in such cases, a 100 nF ceramic capacitor near the VCC pin suffices.
DDC124EU-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- *
- Package/Case:
- -
- Packaging:
- Cut Tape (CT)
- Product Status:
- Active
- Transistor Type:
- -
- Current - Collector (Ic) (Max):
- -
- Voltage - Collector Emitter Breakdown (Max):
- -
- Resistor - Base (R1):
- -
- Resistor - Emitter Base (R2):
- -
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- -
- Vce Saturation (Max) @ Ib, Ic:
- -
- Current - Collector Cutoff (Max):
- -
- Frequency - Transition:
- -
- Power - Max:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
DDC124EU-7 FAQ
1.How can I place an order for DDC124EU-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DDC124EU-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 DDC124EU-7 reliable?
The price and inventory of DDC124EU-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDC124EU-7 is usually 5 days.
3.What payment methods are accepted for DDC124EU-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDC124EU-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DDC124EU-7?
DDC124EU-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DDC124EU-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 DDC124EU-7?
For technical support, including DDC124EU-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDC124EU-7 requirements.
6.How does Aetrix verify that DDC124EU-7 is sourced from the original manufacturer or authorized distributors?
All DDC124EU-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 DDC124EU-7 meets industry standards.
7.What is the process for return or replacement of DDC124EU-7?
All DDC124EU-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDC124EU-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 DDC124EU-7 part is unused and in its original packaging.
Return procedure for DDC124EU-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DDC124EU-7 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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