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Diodes Incorporated ADC143ZUQ-7
- Part No.:
- ADC143ZUQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Bipolar Transistor Arrays, Pre-Biased
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
ADC143ZUQ-7.pdf
- Description:
- PREBIAS TRANSISTOR SOT363 T&R 3K
- Quantity:
- Payment:
- Shipping:
Inventory:2,950
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Product details
Overview
ADC143ZUQ-7 from Diodes Incorporated is an AEC-Q101 qualified NPN pre-biased dual transistor in SOT363 package, featuring integrated 4.7 kΩ and 47 kΩ bias resistors, 100 mA max collector current per element, and guaranteed switching thresholds (VIN(OFF) ≤ 0.5 V, VIN(ON) ≥ 1.3 V) for reliable digital interface level translation in automotive body control modules.
For engineers reviewing the ADC143ZUQ-7 datasheet, ADC143ZUQ-7 pinout, ADC143ZUQ-7 application, or ADC143ZUQ-7 equivalent, key selection criteria include its dual-NPN topology with resistor ratio tolerance (±20%), DC current gain (GI ≥ 80), thermal resistance (RθJA = 450 °C/W), and automotive qualification status under IATF 16949.
Technical Context
This dual NPN transistor integrates two identical pre-biased elements sharing common emitter connections, each with R1 = 4.7 kΩ and R2 = 47 kΩ to enable direct TTL/CMOS logic-level interfacing without external biasing. It operates across –55 °C to +150 °C and supports 50 V VCC rating.
The device delivers VO(on) ≤ 0.3 V at IO/IL = 5 mA / 0.25 mA, ensuring low-saturation switching for LED drivers and load switches, while fT = 250 MHz enables stable operation in moderate-speed signal routing applications up to ~10 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Max | 50 V - Supports 24 V automotive supply rails with margin for transients |
| IC(max) | 100 mA per element - Suitable for driving small relays, LEDs, or logic inputs |
| VIN(OFF) | ≤ 0.5 V - Ensures robust OFF-state immunity against noise below logic LOW threshold |
| VIN(ON) | ≥ 1.3 V - Guarantees turn-on with standard 3.3 V or 5 V CMOS/TTL outputs |
| GI | ≥ 80 - Provides sufficient current amplification for buffered switching without external gain stages |
| RθJA | 450 °C/W - Requires minimal PCB copper area for thermal management in space-constrained modules |
| Δ(R2/R1) | ±20 % - Maintains consistent switching hysteresis across production lots |
Pinout & Package
Package: SOT363 - 6-pin ultra-small surface-mount package (2.15 mm × 2.10 mm × 0.95 mm), RoHS-compliant, halogen-free, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Base of Q1 | Connected internally to R1 (4.7 kΩ) and R2 (47 kΩ); accepts logic input for first transistor |
| 2 | Emitter of Q1 | Common emitter node for Q1; tied externally to ground or reference potential |
| 3 | Collector of Q1 | Active output node for Q1; sinks up to 100 mA when saturated |
| 4 | Collector of Q2 | Active output node for Q2; independent sink path, electrically isolated from Q1 collector |
| 5 | Emitter of Q2 | Common emitter node for Q2; typically tied to same ground as Q1 emitter |
| 6 | Base of Q2 | Connected internally to R1 and R2; accepts second logic input for independent switching control |
Key Features
| Feature | Design Value |
|---|---|
| Dual NPN with matched bias network | Two independent switching elements share identical R1/R2 values (4.7 kΩ/47 kΩ), enabling compact dual-channel logic buffering |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, HTRB, and ESD testing per AEC specification |
| Guaranteed switching thresholds | VIN(OFF) ≤ 0.5 V and VIN(ON) ≥ 1.3 V ensure deterministic ON/OFF behavior across voltage and temperature |
| Green, lead-free construction | Halogen- and antimony-free molding compound (Br+Cl < 1500 ppm, Sb < 1000 ppm) meets global environmental compliance mandates |
Applications
| Automotive Door Module Switch Interface | LED Status Indicator Driver |
|---|---|
Use Scenario: Interfacing mechanical door switch signals (0–12 V) to 3.3 V microcontroller GPIOs in body control units. IC Role / Device Role / Timing Role: Level-shifting and current-buffering dual switch interface with noise-immune thresholds. Use Value: Eliminates need for discrete resistors and transistors per channel, reducing BOM count by 6 components per switch pair. | Use Scenario: Driving multiple panel-mounted status LEDs from low-current MCU outputs in instrument clusters. IC Role / Device Role / Timing Role: Constant-current sink amplifier with fast turn-on (<100 ns typical propagation delay). Use Value: Enables direct drive of 20 mA LEDs using 5 mA MCU pins, with VO(on) ≤ 0.3 V minimizing power loss and heat rise. |
| Smart Junction Box Load Control | Industrial Sensor Signal Conditioning |
Use Scenario: Controlling 12 V solenoid valves and small relays in centralized vehicle junction boxes. IC Role / Device Role / Timing Role: Dual high-side switch driver (with external pull-up) delivering 100 mA per channel at 50 V VCC. Use Value: Withstands load dump transients up to 50 V and operates reliably from –40 °C to +125 °C ambient. | Use Scenario: Converting analog sensor outputs (e.g., thermistor divider) into clean digital presence/absence signals for PLC inputs. IC Role / Device Role / Timing Role: Schmitt-trigger-like comparator substitute with built-in hysteresis via resistor ratio. Use Value: R2/R1 tolerance ±20 % ensures repeatable switching windows without trimming or calibration. |
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 |
|---|---|---|---|
| NSVD2T2225MXV6T1G | R1 = 22 kΩ, R2 = 220 kΩ; higher bias resistance reduces input current to 0.23 mA at 5 V | Lower input loading suits battery-powered sensors but increases propagation delay | Select when minimizing MCU GPIO current draw is critical and speed is secondary |
| EMD2P10100R | PNP+NPN complementary pair; R1/R2 = 10 kΩ/100 kΩ; different polarity per channel | Enables push-pull output stages but requires redesign of control logic polarity | Choose only when bidirectional drive capability is required and layout allows polarity inversion |
Compared with NSVD2T2225MXV6T1G and EMD2P10100R, ADC143ZUQ-7 offers lower input impedance (1.8 mA @ 5 V), tighter R2/R1 tolerance (±20 %), and AEC-Q101 certification - making it optimal for cost-sensitive, high-volume automotive switching where deterministic thresholds and qualification traceability are mandatory.
Availability
ADC143ZUQ-7 is available at Aetrix Electronics and suitable for automotive body control modules, LED driver subassemblies, smart junction box load switching, and industrial sensor interface circuits requiring stable component supply and full automotive qualification traceability.
Supply support for ADC143ZUQ-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 ADC143ZUQ belongs to Diodes' Automotive-Grade Pre-Biased Transistor product line, designed specifically to replace discrete BJT-resistor combinations in safety-critical and space-constrained automotive ECUs.
FAQ
What is the maximum allowable continuous power dissipation per element?
The ADC143ZUQ-7 has a per-element power dissipation limit of 150 mW, as specified in Note 6 of the datasheet. This is derived from its 270 mW total package PD rating, with derating applied to ensure safe operation of both transistors simultaneously under worst-case thermal conditions on FR-4 board.
Can ADC143ZUQ-7 be used in high-frequency switching applications above 1 MHz?
While its fT is rated at 250 MHz, the ADC143ZUQ-7 is optimized for DC and low-to-moderate frequency switching (≤10 MHz). Its internal resistor network introduces RC time constants that limit edge rates; for >1 MHz PWM or RF switching, discrete transistors without integrated biasing are recommended.
Is the SOT363 package compatible with standard reflow profiles for lead-free soldering?
Yes - the SOT363 package uses matte tin-plated leads compliant with MIL-STD-202, Method 208, and supports JEDEC J-STD-020 Class 1 (MSL Level 1) reflow profiles. Peak temperatures up to 260 °C are permitted, with no pre-bake required due to its moisture sensitivity level 1 rating.
Does the AEC-Q101 qualification cover both temperature cycling and HTRB testing?
Yes - Diodes' AEC-Q101 qualification for ADC143ZUQ-7 includes full stress testing per the AEC-Q101-001 standard: 1000 cycles of temperature cycling (–40 °C to +125 °C), 1000 hours of high-temperature reverse bias (HTRB) at 150 °C, and human-body-model ESD ≥ 2 kV, all performed in IATF 16949-certified facilities.
ADC143ZUQ-7 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 NPN - Pre-Biased (Dual)
- Current - Collector (Ic) (Max):
- 100mA
- Voltage - Collector Emitter Breakdown (Max):
- 50V
- Resistor - Base (R1):
- 4.7kOhms
- Resistor - Emitter Base (R2):
- 47kOhms
- DC Current Gain (hFE) (Min) @ Ic, Vce:
- 80 @ 10mA, 5V
- Vce Saturation (Max) @ Ib, Ic:
- 300mV @ 250µA, 5mA
- Current - Collector Cutoff (Max):
- 500nA
- Frequency - Transition:
- 250MHz
- Power - Max:
- 270mW
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
ADC143ZUQ-7 FAQ
1.How can I place an order for ADC143ZUQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC143ZUQ-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 ADC143ZUQ-7 reliable?
The price and inventory of ADC143ZUQ-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC143ZUQ-7 is usually 5 days.
3.What payment methods are accepted for ADC143ZUQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC143ZUQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC143ZUQ-7?
ADC143ZUQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC143ZUQ-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 ADC143ZUQ-7?
For technical support, including ADC143ZUQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC143ZUQ-7 requirements.
6.How does Aetrix verify that ADC143ZUQ-7 is sourced from the original manufacturer or authorized distributors?
All ADC143ZUQ-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 ADC143ZUQ-7 meets industry standards.
7.What is the process for return or replacement of ADC143ZUQ-7?
All ADC143ZUQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with ADC143ZUQ-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 ADC143ZUQ-7 part is unused and in its original packaging.
Return procedure for ADC143ZUQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADC143ZUQ-7 Tags
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SMUN5311DW1T1G
onsemi
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UMH9NTN
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PUMH13,115
Nexperia USA Inc.
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PUMD3-QX
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PUMD12,115
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PUMD9,115
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PUMH9,115
Nexperia USA Inc.
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DCX114EU-7-F
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PUMD13,115
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