STMicroelectronics STPS0560Z

Overview

STPS0560Z from STMicroelectronics is a single Schottky rectifier optimized for high-frequency DC-DC converters and switch-mode power supplies, featuring 60 V repetitive peak reverse voltage (V_RRM), 0.5 A average forward current at T_a = 40 °C, and 0.50 V maximum forward voltage drop at 0.5 A and 25 °C. It is packaged in SOD-123 for compact GSM/PCMCIA-compliant designs with negligible switching losses.

For engineers reviewing the STPS0560Z datasheet, STPS0560Z pinout, STPS0560Z application, or STPS0560Z equivalent, key selection criteria include low V_F for conduction loss minimization, high dV/dt rating (10,000 V/µs) for noise immunity in fast-switching topologies, thermal resistance (340 °C/W on epoxy board), and SOD-123 footprint compatibility with space-constrained PCB layouts.

Technical Context

This Schottky diode operates without minority-carrier storage, enabling ultrafast recovery and eliminating reverse recovery charge (Q_rr ≈ 0). Its metal-semiconductor junction delivers low forward voltage and temperature-stable leakage-IR ≤ 50 µA at 25 °C and ≤ 4 mA at 100 °C under full V_RRM.

The device is rated for 150 °C maximum junction temperature and supports surge currents up to 5.5 A (10 ms sinusoidal), with thermal impedance highly dependent on copper pad area per lead-R_th(j-a) drops from 340 °C/W to ~200 °C/W when pad area increases from 0 to 350 mm² on FR4.

Key Specifications

Pinout & Package

SOD-123 surface-mount package: 2-terminal, cathode-banded, plastic-molded case with gull-wing leads. Dimensions: 3.55–3.95 mm length × 1.4–1.7 mm width × 1.45 mm height; weight 0.01 g; UL94 V-0 compliant epoxy.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar Schottky rectifier applications.

Compared with SS14 and MBR0560, STPS0560Z uniquely balances 60 V blocking, 0.5 A rating, and industry-lowest V_F in SOD-123-making it optimal for space-constrained, efficiency-critical 24–48 V input DC-DC stages where thermal headroom is limited.

Availability

STPS0560Z is available at Aetrix Electronics and suitable for GSM power management, AC-DC adapter secondary rectification, and industrial sensor node power rails requiring stable component supply across multi-year production cycles.

Supply support for STPS0560Z 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for automotive, industrial, and consumer markets.

The STPS series targets high-efficiency, high-frequency power conversion-specifically engineered for Schottky rectification in space-constrained, thermally sensitive switch-mode applications where low V_F and fast switching are mandatory.

FAQ

What is the maximum allowable PCB copper area per lead to achieve R_th(j-a) ≤ 200 °C/W?

According to Figure 9 in the STPS0560Z datasheet, R_th(j-a) drops to approximately 200 °C/W when the copper surface area under each lead reaches 350 mm² on FR4 board with 35 µm copper thickness. This requires a minimum pad width of 2.5 mm and length ≥ 14 mm per lead, or use of internal ground/power planes connected via ≥4 thermal vias per pad.

Can STPS0560Z replace STPS0540Z in existing designs?

Yes, STPS0560Z is a direct upgrade for STPS0540Z in most applications: both share identical SOD-123 package, thermal characteristics, and 0.5 A I_F(AV) rating. The only difference is V_RRM (60 V vs. 40 V), so replacement is safe where reverse voltage may exceed 40 V-no layout or thermal changes needed.

Is STPS0560Z suitable for synchronous rectification circuits?

No-STPS0560Z is a passive Schottky diode, not a synchronous rectifier IC. It can serve as the freewheeling element in non-synchronous buck/flyback converters, but cannot replace active MOSFET-based synchronous rectifiers that require gate drive control. Its zero Q_rr makes it ideal as a loss-minimized alternative to PN diodes in such topologies.

What is the recommended solder profile for SOD-123 reflow of STPS0560Z?

Per ST's package mechanical data, STPS0560Z supports standard lead-free reflow with peak temperature ≤ 260 °C for 10 seconds maximum. Recommended profile: ramp-to-spike ≤ 3 °C/s, soak (150–200 °C) for 60–120 s, time above liquidus (217–220 °C) 60–90 s, and cooling rate ≤ 6 °C/s. Avoid exceeding 260 °C to prevent epoxy degradation.