Diodes Incorporated ADA114YUQ-13

Overview

ADA114YUQ-13 from Diodes Incorporated is a dual PNP pre-biased transistor in SOT363 package, featuring integrated 10kΩ and 47kΩ bias resistors, AEC-Q101 qualification for automotive use, -50V V_CC, -100mA I_C(MAX), and -270mW power dissipation per device. It functions as a compact, space-saving logic-level interface or load switch in automotive body control modules.

For engineers reviewing the ADA114YUQ-13 datasheet, ADA114YUQ-13 pinout, ADA114YUQ-13 application, or ADA114YUQ-13 equivalent, key selection criteria include verified R1/R2 resistor tolerance (±30%), guaranteed VI(on) ≤ -1.4V at IO = -1mA, VO(on) ≤ -0.3V at IO/II = -5mA/-0.25mA, and thermal resistance of 450°C/W on FR4 board.

Technical Context

This dual PNP transistor integrates two identical pre-biased elements sharing common emitter connections per channel, enabling independent switching with fixed base biasing. Each channel exhibits DC current gain (GI) ≥ 68 at VO = -5V and IO = -10mA, and operates reliably across -55°C to +150°C junction temperature range.

The device supports high-speed digital switching with f_T = 250MHz (V_CE = -10V, I_E = -5mA), while maintaining low leakage (IO(off) ≤ -0.5μA at V_CC = -50V, VI = 0V) and defined turn-on/off thresholds (VI(on) ≤ -1.4V, VI(off) ≤ -0.3V).

Key Specifications

Pinout & Package

SOT363 is a 6-pin, surface-mount, plastic-molded package with matte tin-plated leads, UL 94V-0 flammability rating, and moisture sensitivity level 1. Dimensions: 2.15mm × 2.10mm × 1.00mm (L × W × H), weight ≈ 0.006g.

Key Features

Applications

Equivalent & Alternatives

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

Compared with NSVD114YUT1G and DST847BE, ADA114YUQ-13 uniquely combines AEC-Q101 qualification, -50V rating, and matched 10kΩ/47kΩ biasing-making it the sole option for automotive-grade dual-PNP switching where reliability and voltage margin are critical.

Availability

ADA114YUQ-13 is available at Aetrix Electronics and suitable for automotive body control modules, LED lighting systems, industrial sensor interfaces, and consumer appliance control boards requiring stable component supply and long-term lifecycle support.

Supply support for ADA114YUQ-13 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.

The ADA114YUQ belongs to Diodes' Automotive-Grade Pre-Biased Transistor product line, engineered specifically for space-constrained, high-reliability switching in 12V/24V automotive subsystems with stringent AEC-Q101 and PPAP requirements.

FAQ

What is the maximum allowable continuous power dissipation per channel?

ADA114YUQ-13 has a maximum power dissipation of 270mW per channel when mounted on an FR4 PCB with minimum recommended pad layout. This rating assumes ambient temperature of +25°C and must be derated linearly above +25°C using the specified thermal resistance of 450°C/W. Exceeding 150mW per element violates absolute maximum ratings and risks thermal runaway.

Does ADA114YUQ-13 support PWM switching at frequencies above 10kHz?

Yes-its 250MHz gain-bandwidth product and fast saturation characteristics enable clean PWM operation up to at least 100kHz. Measured turn-on/turn-off times are consistent with sub-100ns transitions under typical load conditions, making it suitable for LED dimming and motor control applications requiring precise duty-cycle fidelity.

Can ADA114YUQ-13 be used in a high-side switch configuration?

No-it is configured as a low-side sink switch with emitter-connected to ground or common reference. Its internal bias network and pinout (emitter pins 1 and 4) do not support direct high-side placement. For high-side PNP switching, a discrete transistor with external biasing or dedicated high-side driver IC is required.

Is the SOT363 package compatible with standard reflow soldering profiles?

Yes-ADA114YUQ-13 uses matte tin-plated leads and is fully compatible with IPC/JEDEC J-STD-020 Class 1 moisture sensitivity handling and lead-free reflow profiles (peak temperature ≤ 260°C). The package meets MIL-STD-202 Method 208 for solderability and requires no special pre-bake for standard assembly.