Diodes Incorporated 2DB1182Q-13

Overview

2DB1182Q-13 from Diodes Incorporated is a PNP medium-power bipolar junction transistor in TO252 (DPAK) package, rated for -32 V V_CEO, -2 A continuous collector current, and -0.8 V V_CE(sat) at I_C = -2 A / I_B = -0.2 A. It delivers h_FE of 120–270 at V_CE = -3 V / I_C = -0.5 A and supports automotive-grade switching in body control modules and power supply regulators.

For engineers reviewing the 2DB1182Q-13 datasheet, 2DB1182Q-13 pinout, 2DB1182Q-13 application, or 2DB1182Q-13 equivalent, this page provides verified electrical parameters, thermal resistance values (R_θJA = 104 °C/W), AEC-Q101 qualification status, TO252 mechanical dimensions, and validated automotive-grade alternatives with documented voltage/current/thermal trade-offs.

Technical Context

This PNP transistor uses epitaxial planar die construction to achieve low saturation voltage and stable DC current gain across -55°C to +150°C operating range. Its V_CEO = -32 V and V_CBO = -40 V support robust blocking in medium-voltage DC-DC and load-switching circuits.

With f_T = 110 MHz and turn-off time t_off = 280 ns, it enables fast switching in PWM-driven solenoid drivers and LED matrix controls while maintaining thermal stability via R_θJC = 18 °C/W and exposed collector pad design.

Key Specifications

Pinout & Package

Package: TO252 (DPAK), surface-mount, with exposed collector pad for thermal dissipation and mechanical anchoring. Molded green compound meets UL 94V-0 and RoHS 3 requirements.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar PNP medium-power switching applications.

Compared with MBT3906DW1T1G and ZTX951, the 2DB1182Q-13 uniquely balances -2 A current, -32 V blocking, AEC-Q101 compliance, and TO252 thermal efficiency-making it the only option qualified for volume automotive power switching where both current and reliability are mandatory.

Availability

2DB1182Q-13 is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC-DC load switches, and LED matrix drivers requiring stable component supply, long-term lifecycle assurance, and traceable AEC-Q101-compliant sourcing.

Supply support for 2DB1182Q-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, specializing in high-reliability components for automotive, industrial, and computing markets.

The 2DB1182Q belongs to Diodes' AEC-Q101-qualified medium-power transistor family, engineered specifically for automotive power switching applications demanding robust thermal performance, precise gain control, and zero-defect manufacturing.

FAQ

What is the maximum allowable junction temperature for continuous operation?

The 2DB1182Q-13 has an operating junction temperature range of -55°C to +150°C. For continuous operation at full rated current (-2 A), thermal design must ensure T_J stays ≤150°C using R_θJA = 104 °C/W or R_θJC = 18 °C/W paths. Derating is required above +25°C ambient per Figure 3's h_FE and V_CE(sat) curves.

Is the TO252 package lead (pin) compatible with TO263 footprints?

No - the TO252 (DPAK) package has a 2.29 mm height (A dimension), 6.10 mm width (D), and 6.58 mm length (E), while TO263 (D2PAK) measures 2.54 mm height, 10.16 mm width, and 15.24 mm length. Pad layouts, thermal pad size, and screw-hole spacing differ; mechanical redesign is required for substitution.

Does the 2DB1182Q-13 require external base current limiting in switching applications?

Yes - base current must be sized to ensure I_B ≥ I_C/h_FE(min). With h_FE min = 120 at I_C = -0.5 A and typical gain dropping at higher currents, a -0.2 A base drive is specified for -2 A collector conduction. An external series resistor or current-source driver is mandatory to prevent thermal runaway.

How does the AEC-Q101 qualification impact supply chain assurance?

AEC-Q101 qualification confirms that each 2DB1182Q-13 lot undergoes accelerated stress testing (HTOL, TC, UHAST) and statistical process control per IATF 16949. This enables Aetrix to guarantee PPAP-ready documentation, lot traceability to wafer fab, and priority allocation during automotive supply shortages.