diodes

B0520W

Every spec below is cited to the manufacturer datasheet. Pick your exact ordering code, compare the closest alternatives, then ask the assistant what it means for your design.

00 — Overview

What the B0520W family does

The B0520W, B0530W, and B0540W are surface mount Schottky barrier rectifiers in the SOD-123 package. These devices handle 0.5 A average forward current with reverse voltages of 20, 30, or 40 V. They feature a maximum forward voltage of 0.62 V and a junction temperature range of -55 to +125 C. Engineers typically use these components in low voltage, high frequency inverters, free wheeling circuits, and polarity protection applications. The parts offer low forward voltage and excellent high temperature stability for reliable rectification.

Next step
Start building with B0520W → Every number above is cited straight from the datasheet — ask what they mean for your design, and the assistant answers from the same source documents.
Ordering code:
01 — Key specifications

B0520W datasheet parameters

ParameterMinTypMaxConditionsSource
forward voltage (abs max) — — 330 mV IF = 0.1A; • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
operating temperature (abs max) -55 °C — 125 °C Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
power dissipation (abs max) — — 500 mW • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
reverse voltage (abs max) — — 20 V • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
forward current (abs max) — — 500 mA Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
reverse leakage current (abs max) — — 75 µA VR = 10V; • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
rectified current (abs max) — — 500 mA (av); • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
peak pulse current (abs max) — — 5.5 A Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
junction capacitance (abs max) — — 170 pF Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
01 — Key specifications

B0530W datasheet parameters

ParameterMinTypMaxConditionsSource
forward voltage (abs max) — — 375 mV IF = 0.1A; • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
operating temperature (abs max) -55 °C — 125 °C Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
reverse voltage (abs max) — — 30 V • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
forward current (abs max) — — 500 mA Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
reverse leakage current (abs max) — — 20 µA VR = 15V; • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
rectified current (abs max) — — 500 mA Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
peak pulse current (abs max) — — 5.5 A Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
junction capacitance (abs max) — — 170 pF Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
01 — Key specifications

B0540W datasheet parameters

ParameterMinTypMaxConditionsSource
forward voltage (abs max) — — 510 mV IF = 0.5A; • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
operating temperature (abs max) -55 °C — 125 °C Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
reverse voltage (abs max) — — 40 V • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
forward current (abs max) — — 500 mA Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
reverse leakage current (abs max) — — 20 µA VR = 15V; • Maximum Ratings (Ta = 25°C Unless otherwise specified) Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
rectified current (abs max) — — 500 mA Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
peak pulse current (abs max) — — 5.5 A Hongjiacheng datasheet, p. 1 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
junction capacitance (abs max) — — 170 pF Hongjiacheng datasheet, p. 2 — • Maximum Ratings (Ta=25°C Unless otherwise specified)
03 — Alternatives

Closest matches to B0520W

B5817W 13.3× higher reverse leakage current, 3.0× higher forward current, 2.0× higher rectified current
BAS316 5.0× higher reverse voltage, 2.8× lower peak pulse current, 2.2× higher forward voltage
BAT54HT1 9.2× lower peak pulse current, 2.5× lower rectified current, 1.7× lower forward current
BAT54T1G 9.2× lower peak pulse current, 2.5× lower rectified current, 1.7× lower forward current
ESD5Z2.5T1G 12.5× lower reverse leakage current, 8.0× lower reverse voltage, 3.3× higher forward voltage
BAS416 4.2× higher reverse voltage, 2.7× higher forward voltage, 2.5× lower forward current
BAS516 5.0× higher reverse voltage, 3.3× lower power dissipation, 2.8× lower peak pulse current
BAT54WS 17.0× lower junction capacitance, 9.2× lower peak pulse current, 5.0× lower rectified current
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