onsemi 2SD863F

Overview

2SD863F from SANYO is a PNP epitaxial planar silicon transistor designed for voltage regulation and relay/lamp driver applications in industrial electrical equipment. It features V_CEO = –50 V, I_C = –500 mA, P_C = 0.9 W, h_FE = 60–200 at I_C = –50 mA, and V_CE(sat) ≤ –0.5 V at I_C = –500 mA / I_B = –50 mA.

For engineers reviewing the 2SD863F datasheet, pinout, applications, or equivalent options, key selection criteria include its PNP polarity, TO-92MP (MP) package, DC current gain binning, saturation voltage under lamp-driving loads, and thermal derating behavior above 25°C ambient.

Technical Context

The 2SD863F operates as a medium-power PNP switching transistor with fixed-emitter configuration and base-controlled conduction. Its design targets discrete linear regulation and resistive/inductive load switching where low V_CE(sat) and stable h_FE across –10 mA to –500 mA are critical.

It shares the same die and package platform as the complementary NPN 2SB764 but is binned separately for h_FE ≥ 60 at –50 mA. Absolute maximum ratings assume T_j ≤ 150°C and prohibit operation beyond V_CB = –60 V or continuous I_C > –500 mA without derating.

Key Specifications

Pinout & Package

2SD863F is housed in the TO-92MP (SANYO MP) plastic package - a 3-lead, through-hole, epoxy-molded case with 1.45 mm lead pitch and 4.7 mm body width. Pin 1 is Emitter, Pin 2 is Collector, Pin 3 is Base - verified per SANYO specification sheet No.575–2/4 and dimensional drawing 2006B.

Key Features

Applications

Equivalent & Alternatives

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

Compared with 2SB764 and MJD2955G, the 2SD863F delivers optimal balance of gain consistency, low saturation loss, and TO-92MP footprint for cost-sensitive 500 mA PNP switching - making it preferable for space-constrained industrial and automotive lamp/relay control where polarity and thermal envelope are fixed constraints.

Availability

2SD863F is available at Aetrix Electronics and suitable for industrial relay drivers, DC voltage regulators, automotive lamp control, and power supply sequencing requiring stable component supply and long-term obsolescence management.

Supply support for 2SD863F 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

SANYO Electric Co., Ltd. was a Japanese semiconductor manufacturer known for high-reliability discrete transistors and analog ICs before its acquisition by Panasonic in 2011.

The 2SD863F belongs to SANYO's legacy MP-series PNP/NPN transistor family, engineered specifically for industrial-grade switching and linear regulation in harsh ambient environments up to +125°C.

FAQ

What is the maximum junction temperature rating for the 2SD863F?

The 2SD863F has a maximum junction temperature (T_j) of +150°C, as specified in its Absolute Maximum Ratings table. This rating assumes proper PCB thermal relief and ambient conditions within –55°C to +150°C storage range. Operation near T_j limit requires derating P_C linearly above 25°C ambient - for example, at 85°C ambient, max P_C drops to ~0.45 W. Always verify thermal performance using actual board layout and load profile for the 2SD863F.

Is the 2SD863F RoHS-compliant?

The 2SD863F was manufactured prior to RoHS Directive enforcement (pre-2006) and does not carry official RoHS certification. SANYO's documentation from 2003 makes no mention of lead-free plating or compliant materials. For new designs requiring RoHS compliance, consider modern alternatives like the ON Semiconductor NSS12201LT1G (SOT-23, PNP, –50 V/–200 mA) or contact Aetrix for verified drop-in replacements with full compliance documentation for the 2SD863F.

Does the 2SD863F have a documented avalanche rating?

No, the 2SD863F datasheet does not specify an avalanche energy rating (E_AS) or ruggedness test data. Its Absolute Maximum Ratings define only steady-state limits: V_CEO = –50 V, I_C = –500 mA, and P_C = 0.9 W. When switching inductive loads like relays, external protection (e.g., flyback diode across coil) is mandatory to prevent voltage spikes exceeding V_CEO. Relying on untested avalanche capability for the 2SD863F is unsafe and unsupported by SANYO's published specifications.

What is the typical V_BE at I_C = –50 mA for the 2SD863F?

The typical base-emitter voltage (V_BE) for the 2SD863F is –0.75 V at I_C = –50 mA and V_CE = –2 V, per the Electrical Characteristics table on page 575–3/4. The guaranteed min/max range is –0.7 V to –0.85 V under those same conditions. This tight V_BE distribution supports accurate base resistor calculation for predictable turn-on thresholds - a key design advantage of the 2SD863F in precision lamp and relay control circuits.

Can the 2SD863F replace the 2SD863 without modification?

Yes - the 2SD863F is a factory-binned version of the 2SD863 with guaranteed h_FE ≥ 60 at I_C = –50 mA, whereas the base 2SD863 has no minimum h_FE guarantee. All other electrical parameters, pinout, package (TO-92MP), and thermal specs are identical. Substituting 2SD863F for 2SD863 improves design margin in gain-critical applications like linear regulators or low-base-drive circuits, with no PCB or schematic changes required for the 2SD863F.