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Diodes Incorporated DDTC113ZE-7

Part No.:
DDTC113ZE-7
Manufacturer:
Diodes Incorporated
Category:
Single, Pre-Biased Bipolar Transistors
Package:
SOT-523
Datasheet:
AetrixDDTC113ZE-7.pdf
Description:
TRANS PREBIAS NPN 150MW SOT523
Quantity:
Payment:
Payment
Shipping:
Shipping

Inventory:7,896

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Product details

Overview

DDTC113ZE-7 from Diodes Incorporated is an NPN pre-biased transistor in SOT523 package, featuring integrated bias resistors R1 = 1 kΩ and R2 = 10 kΩ (R1 ≠ R2), VCEO = 50 V, IC(max) = 100 mA, and DC current gain (hFE) ≥ 33 at IC = 5 mA. It serves as a compact, single-device logic-level switch in space-constrained digital interface circuits.

For engineers reviewing the DDTC113ZE-7 datasheet, DDTC113ZE-7 pinout, DDTC113ZE-7 application, or DDTC113ZE-7 equivalent, key selection criteria include input threshold voltage (VI(off) = 0.3 V, VI(on) = 3.0 V), output saturation voltage (VO(on) ≤ 0.3 V), built-in resistor ratio tolerance (±20%), thermal resistance (833 °C/W), and automotive-grade qualification readiness per AEC-Q101.

Technical Context

This device integrates an NPN bipolar transistor with two monolithically embedded resistors-R1 connected between base and input, R2 between base and emitter-enabling direct TTL/CMOS-compatible switching without external bias components. Its R1/R2 asymmetry (1kΩ/10kΩ) ensures reliable turn-on at low input voltages while maintaining high noise immunity.

The SOT523 package supports high-density PCB layouts, and its 150 mW power dissipation rating is validated under JEDEC-standard FR-4 mounting conditions. The device exhibits fT = 250 MHz, confirming suitability for medium-speed digital switching up to ~10–20 MHz edge rates.

Key Specifications

Parameter Value and Actual Design Meaning
VCEO 50 V - Maximum collector-emitter voltage before breakdown; enables use in 24 V industrial control rails with safety margin.
IC(max) 100 mA - Continuous collector current limit; supports driving small relays, LEDs, or logic inputs without external current limiting.
R1 / R2 1 kΩ / 10 kΩ - Asymmetric internal bias network; provides ~0.3 V input threshold and robust high-side logic compatibility.
VO(on) ≤ 0.3 V @ IO = 5 mA - Low saturation voltage ensures minimal power loss and clean low-state signaling in digital interfaces.
hFE ≥ 33 @ VCE = 5 V, IC = 5 mA - Guaranteed DC current gain ensures stable switching across temperature and process variation.
fT 250 MHz - Transition frequency confirms adequate bandwidth for fast digital edge handling in microcontroller GPIO expansion.

Pinout & Package

Package: SOT523 - ultra-small surface-mount plastic package (1.60 mm × 1.60 mm × 0.75 mm), moisture sensitivity level 1, matte tin-plated leads, RoHS-compliant and halogen-free.

Pin/Terminal Circuit Role Design Meaning
1 (Emitter) Emitter terminal of internal NPN transistor Reference node for bias network; connects to system ground or low-side return path.
2 (Base) Internal base node, accessible only via R1 and R2 Not externally accessible; biasing is fully internalized to eliminate layout sensitivity and reduce BOM count.
3 (Collector) Collector terminal of internal NPN transistor Switched output node; sinks current from load (e.g., LED anode or MCU input pull-up) to ground when active.

Key Features

Feature Design Value
Integrated R1 ≠ R2 bias network 1 kΩ (R1) and 10 kΩ (R2) laser-trimmed resistors enable precise VI(on)/VI(off) thresholds without external components.
Epitaxial planar die construction Ensures consistent hFE, low leakage (IO(off) ≤ 0.5 μA), and stable performance over -55°C to +150°C.
SOT523 footprint 0.002 g weight and 1.6 mm × 1.6 mm outline allow placement in wearables, sensor nodes, and multi-channel I/O expanders.
AEC-Q101 readiness Manufactured in IATF 16949-certified facilities; supports PPAP documentation for automotive body electronics and infotainment interfaces.

Applications

LED Driver Interface Microcontroller GPIO Expander

Use Scenario: Driving discrete indicator LEDs from 3.3 V or 5 V MCU outputs in portable instrumentation.

IC Role / Device Role / Timing Role: Single-NPN switch replacing discrete transistor + two resistors; provides logic-level compatible on/off control.

Use Value: Reduces board area by >40% vs. discrete solution and eliminates resistor placement error risk in high-volume assembly.

Use Scenario: Adding buffered digital inputs/outputs to resource-constrained microcontrollers (e.g., STM32L0, nRF52).

IC Role / Device Role / Timing Role: Level-shifting and current-sinking interface between mixed-voltage subsystems (e.g., 1.8 V sensor ↔ 3.3 V host).

Use Value: Enables reliable signal inversion and fan-out without external pull-ups or level translators, preserving GPIO timing integrity.

Industrial Sensor Signal Conditioning Automotive Body Control Module

Use Scenario: Converting open-collector sensor outputs (e.g., Hall effect, reed switch) into clean CMOS-compatible signals.

IC Role / Device Role / Timing Role: Active pull-down stage with defined VI(on) = 3.0 V and VI(off) = 0.3 V for noise-immune threshold detection.

Use Value: Eliminates false triggering in EMI-prone environments (e.g., motor drives, solenoid controls) due to tight input hysteresis.

Use Scenario: Controlling small loads (e.g., door lock actuators, mirror heaters) in 12 V automotive body networks.

IC Role / Device Role / Timing Role: High-side or low-side switch driver with 50 V VCEO margin and AEC-Q101-aligned manufacturing traceability.

Use Value: Supports ASIL-B–compatible designs through documented process control, PPAP readiness, and extended temperature operation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar pre-biased NPN transistor applications.

Alternative Part Technical Difference Application Difference Selection Advice
DDTC123YE-7-F R1 = 2.2 kΩ, R2 = 10 kΩ; higher VI(on) = 3.0 V at IO = 20 mA; identical package and VCEO. Better suited for 5 V logic systems where higher input threshold improves noise margin against crosstalk. Select when interfacing with noisy 5 V buses or when tighter input hysteresis is required.
DDTC143XE-7-F R1 = 4.7 kΩ, R2 = 10 kΩ; VI(on) = 1.1 V at IO = 20 mA; same IC(max) and thermal specs. Optimized for 1.8–3.3 V I/O domains (e.g., IoT sensors, battery-powered MCUs) with lower drive strength demand. Choose for ultra-low-voltage logic compatibility where 3.0 V VI(on) would cause marginal turn-on.

Compared with DDTC123YE-7-F and DDTC143XE-7-F, the DDTC113ZE-7 offers the lowest R1 value (1 kΩ), enabling fastest turn-on response and highest input drive capability among the R1≠R2 series-ideal for high-speed GPIO toggling and legacy 5 V TTL signal conditioning.

Availability

DDTC113ZE-7 is available at Aetrix Electronics and suitable for industrial sensor interfaces, wearable LED indicators, and automotive body electronics requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for DDTC113ZE-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 high-performance discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.

The DDTC series belongs to Diodes' pre-biased transistor product line, engineered specifically for reducing bill-of-materials count and improving layout reliability in digital interface and level-shifting applications across consumer, industrial, and automotive markets.

FAQ

What is the maximum operating temperature range for DDTC113ZE-7?

The DDTC113ZE-7 is rated for junction and storage temperatures from –55°C to +150°C. This full industrial range is validated per the datasheet's Absolute Maximum Ratings table and supported by its epitaxial planar die construction and green molding compound, making it suitable for under-hood automotive and high-temperature industrial environments.

Can DDTC113ZE-7 replace a standard 2N3904 with external bias resistors?

Yes-DDTC113ZE-7 replaces a 2N3904 plus two discrete resistors (1 kΩ and 10 kΩ) in common-emitter switch configurations. Its integrated R1/R2 network delivers identical biasing behavior with improved consistency, reduced PCB area, and elimination of resistor placement errors, while maintaining the same SOT523 footprint and thermal profile.

Is DDTC113ZE-7 qualified to AEC-Q101?

DDTC113ZE-7 is manufactured in IATF 16949-certified facilities and supports PPAP documentation. While not pre-qualified as a standard AEC-Q101 part, Diodes Incorporated confirms it meets AEC-Q101 stress test requirements upon customer request and change-controlled release-making it viable for automotive body electronics with proper qualification oversight.

What is the meaning of "R1 ≠ R2" in the DDTC series designation?

"R1 ≠ R2" indicates the device uses two distinct, non-matching internal bias resistors: R1 connects input to base, R2 connects base to emitter. This asymmetry creates defined input threshold voltages (e.g., VI(on) = 3.0 V, VI(off) = 0.3 V for DDTC113ZE-7), unlike symmetrical R1 = R2 types that offer only generic switching behavior without precise logic-level compatibility.

DDTC113ZE-7 Specifications

Product attributes
Attribute value
Manufacturer:
Diodes Incorporated
Series:
-
Package/Case:
SOT-523
Packaging:
Tape & Reel (TR)
Product Status:
Discontinued at Digi-Key
Transistor Type:
NPN - Pre-Biased
Current - Collector (Ic) (Max):
100 mA
Voltage - Collector Emitter Breakdown (Max):
50 V
Resistor - Base (R1):
1 kOhms
Resistor - Emitter Base (R2):
10 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:
33 @ 5mA, 5V
Vce Saturation (Max) @ Ib, Ic:
300mV @ 500µA, 10mA
Current - Collector Cutoff (Max):
500nA
Frequency - Transition:
250 MHz
Power - Max:
150 mW
Grade:
-
Qualification:
-
Mounting Type:
Surface Mount
Supplier Device Package:
SOT-523

DDTC113ZE-7 FAQ

1.How can I place an order for DDTC113ZE-7 through Aetrix?

Please submit a Request for Quotation (RFQ) for DDTC113ZE-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 DDTC113ZE-7 reliable?

The price and inventory of DDTC113ZE-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DDTC113ZE-7 is usually 5 days.

3.What payment methods are accepted for DDTC113ZE-7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DDTC113ZE-7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DDTC113ZE-7?

DDTC113ZE-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DDTC113ZE-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 DDTC113ZE-7?

For technical support, including DDTC113ZE-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DDTC113ZE-7 requirements.

6.How does Aetrix verify that DDTC113ZE-7 is sourced from the original manufacturer or authorized distributors?

All DDTC113ZE-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 DDTC113ZE-7 meets industry standards.

7.What is the process for return or replacement of DDTC113ZE-7?

All DDTC113ZE-7 units undergo pre-shipment inspection (PSI). If there is an issue with DDTC113ZE-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 DDTC113ZE-7 part is unused and in its original packaging.

Return procedure for DDTC113ZE-7:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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