Diodes Incorporated BCP6925TA

Overview

BCP6925TA from Nexperia is a PNP silicon planar medium-power transistor designed for audio frequency driver and output stage applications, featuring V_CEO = −20 V, I_C = −1 A continuous, V_CE(sat) = −0.5 V at I_C = −1 A / I_B = −100 mA, and f_T = 100 MHz - used in compact AB-class audio amplifiers and relay drivers.

For engineers reviewing the BCP6925TA datasheet, BCP6925TA pinout, BCP6925TA application, or BCP6925TA equivalent, key selection criteria include guaranteed h_FE range (63–400), low saturation voltage under high-current switching, thermal performance in SOT223, and complementary pairing with BCP68 for push-pull configurations.

Technical Context

This PNP bipolar junction transistor operates in linear and saturated switching modes, with verified breakdown ratings of V_CEO = −20 V and V_CB0 = −25 V, enabling reliable use in negative-rail amplifier stages and low-side load switches. Its f_T = 100 MHz supports stable gain up to mid-VHF frequencies in small-signal AF applications.

h_FE is specified across three test conditions: 50–160 at I_C = −5 mA, 63–250 at I_C = −500 mA, and 160–400 at I_C = −500 mA with V_CE = −1 V - confirming consistent current gain across drive levels typical of driver-stage biasing.

Key Specifications

Pinout & Package

SOT223 surface-mount package with exposed emitter pad for thermal enhancement; standard 4-pin configuration (3 active + 1 thermal tab).

Key Features

Applications

Equivalent & Alternatives

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

Compared with ZTX753 and MMBT6520, BCP6925TA uniquely delivers guaranteed h_FE ≥ 63 at −1 A, −0.5 V V_CE(sat), and 2 W thermal capability in SOT223 - making it the sole choice for medium-power PNP driver stages requiring both linearity and robustness.

Availability

BCP6925TA is available at Aetrix Electronics and suitable for audio frequency driver stages, relay/solenoid interface circuits, complementary push-pull outputs, and DC motor half-bridge applications requiring stable component supply and long-term manufacturability.

Supply support for BCP6925TA 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

Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified transistors and ESD-protected components.

BCP6925TA belongs to Nexperia's medium-power bipolar transistor product line, engineered specifically for cost-sensitive, thermally demanding driver and output-stage roles in consumer and industrial analog systems.

FAQ

Is BCP6925TA pin-compatible with BCP69 or BCP69-25?

Yes - BCP6925TA uses the same SOT223 pinout (Emitter-Base-Collector-Tab) and identical absolute maximum ratings as BCP69 and BCP69-25. The "25TA" suffix denotes tape-and-reel packaging per JEDEC standard, with no electrical or mechanical differentiation from earlier variants.

What is the recommended base resistor value for switching a 500 mA load?

With h_FE ≥ 63 at I_C = −500 mA, a base current of ≥8 mA is required. Using V_BE(on) ≈ −0.85 V and a 3.3 V logic drive, a 300 Ω resistor delivers ~8.3 mA, ensuring hard saturation while limiting base power dissipation to <7 mW.

Can BCP6925TA replace BC807 in the same PCB footprint?

No - BC807 uses SOT-23 (3-pin), while BCP6925TA uses SOT223 (4-pin with thermal tab). The footprints are mechanically incompatible, and BCP6925TA's higher I_C and P_tot require different thermal layout, including copper pour under the tab.

Does BCP6925TA meet AEC-Q101 for automotive use?

No - BCP6925TA is not AEC-Q101 qualified. It is rated for industrial temperature range (−55°C to +150°C), but lacks automotive qualification testing (e.g., stress tests, failure analysis, lot traceability per AEC standards). For automotive applications, consider Nexperia's PMBT6427 or PBSS4041 series.