Diodes Incorporated BZX84C15TS-7-F

Overview

BZX84C15TS-7-F from Diodes Incorporated is a triple-surface-mount Zener diode array with three isolated 15 V Zener elements in a single SOT-363 package, rated for 200 mW total power dissipation, 30 Ω typical Zener impedance at 5 mA, and reverse current ≤0.1 µA at 10.5 V, used for precision voltage regulation and overvoltage protection in compact DC power rails.

For engineers reviewing the BZX84C15TS-7-F datasheet, BZX84C15TS-7-F pinout, BZX84C15TS-7-F application, or BZX84C15TS-7-F equivalent, key selection criteria include nominal Zener voltage (15.0 V), tolerance (±8%), thermal resistance (625 °C/W), low leakage (<0.1 µA), and triple-diode integration for space-constrained biasing and clamping circuits.

Technical Context

This device integrates three electrically isolated Zener diodes sharing only mechanical packaging-no internal connection-enabling independent use in multi-rail voltage reference, dual-supply clamping, or redundant protection paths. Each element exhibits a specified Zener voltage of 15.0 V (min 13.8 V, max 15.6 V) at test current I_ZT = 5 mA.

It operates across –65 °C to +150 °C, with temperature coefficient of +9.2 to +13.0 mV/°C, and maintains stable regulation under pulse conditions per short-duration test methodology. Capacitance is not specified per element but falls within typical 10–30 pF range for 15 V Zeners per Figure 4.

Key Specifications

Pinout & Package

Package: SOT-363 (SC-70-6), ultra-small surface-mount plastic case with UL 94V-0 flammability rating, moisture sensitivity level 1, and matte tin-plated Alloy 42 leadframe.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Zener regulation applications.

Compared with MMBZ5245BS-7-F and BZX84C15LT1G, BZX84C15TS-7-F uniquely delivers three matched 15 V Zeners in one footprint-reducing component count, improving thermal tracking, and enabling compact multi-rail protection without inter-device mismatch.

Availability

BZX84C15TS-7-F is available at Aetrix Electronics and suitable for industrial sensor signal conditioning, USB-C power delivery clamp circuits, automotive body control modules, and medical infusion pump power monitoring requiring stable component supply and long-term lifecycle continuity.

Supply support for BZX84C15TS-7-F 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, serving industrial, computing, consumer, and communications markets with high-reliability components.

The BZX84 series belongs to Diodes' precision Zener diode portfolio, designed specifically for space-constrained voltage regulation, reference, and overvoltage protection in high-density PCBs where triple-element integration improves system-level reliability.

FAQ

What is the maximum continuous Zener current for BZX84C15TS-7-F?

The device is rated for 200 mW total power dissipation. At 15 V nominal Zener voltage, this corresponds to a maximum average Zener current of approximately 13.3 mA under ideal thermal conditions. Derating applies above 25 °C ambient per the published power derating curve (Fig. 1), reducing allowable current linearly to zero at ~150 °C.

Can BZX84C15TS-7-F be used in avalanche mode for ESD protection?

No-it is optimized for stable Zener breakdown regulation, not transient suppression. Its 200 mW rating and lack of specified ESD parameters (e.g., IEC 61000-4-2) make it unsuitable as a dedicated ESD clamp. For such applications, purpose-built TVS diodes like D3V3M1U2LP-7 are recommended.

How are the three Zener elements internally connected?

All six terminals (A1/C1, A2/C2, A3/C3) are fully isolated-there is no internal electrical connection between any anode and cathode pair beyond their respective Zener junctions. The SOT-363 package houses three physically separate die bonded into one leadframe, enabling independent circuit integration.

Is the temperature coefficient symmetric above and below 25 °C?

Yes-the specified coefficient (+9.2 to +13.0 mV/°C) applies across the full operating range (–65 °C to +150 °C). This positive slope means Zener voltage increases linearly with junction temperature, enabling predictable compensation in temperature-stable reference designs when paired with negative-TC components.