BAT54SW — Datasheet Summary, Specs & Alternatives

01 — Overview

This Nexperia datasheet covers the BAT54SW, a dual Schottky barrier diode in an SOT323 package. It details specifications for ultra-high-speed switching, line termination, and voltage clamping applications. Key parameters include a maximum reverse voltage of 30 V, typical forward voltages ranging from 240 mV to 800 mV at various currents, low capacitance up to 10 pF, and a reverse recovery time under 5 ns. The document also lists thermal characteristics and absolute maximum ratings.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
forward voltage	—	—	800 mV	IF = 100 mA; pulsed; tp≤ 300 μs; δ ≤ 0.02; Tamb = 25 °C
operating temperature	-55 °C	—	150 °C
power dissipation	—	—	200 mW	Tamb≤ 25 °C; [2]
reverse voltage	—	—	30 V	Tj = 25 °C
forward current	—	200 mA	—
reverse leakage current	—	—	2 µA	VR = 25 V; tp≤ 300 μs; δ ≤ 0.02; pulsed; Tamb = 25 °C
rectified current	—	200 mA	—
peak pulse current	—	600 mA	—
junction capacitance	—	—	10 pF	VR = 1 V; f = 1 MHz; Tamb = 25 °C
reverse recovery time	—	—	5 ns	IF = 10 mA; IR = 10 mA; IR(meas) = 1 mA; RL = 100 Ω; Tamb = 25 °C

03 — Alternatives

Closest matches to BAT54SW

BAT54A 1.2× higher operating temperature, similar forward current, similar forward voltage

BAT54HT1 4.0× lower reverse leakage current, 3.6× lower forward voltage, 1.3× lower junction capacitance

BAT54SLT1G 4.0× lower reverse leakage current, 3.6× lower forward voltage, 1.3× lower junction capacitance

BAT54T1G 11.9× lower operating temperature, 4.0× lower reverse leakage current, 3.6× lower forward voltage

ESD5Z2.5T1G 18.3× higher peak pulse current, 14.5× higher junction capacitance, 12.0× lower reverse voltage

04 — FAQ

Frequently asked questions

What is the forward current of the BAT54SW?

The forward current is 200 mA.

What is the forward voltage of the BAT54SW when IF = 100 mA; pulsed; tp≤ 300 μs; δ ≤ 0.02; Tamb = 25 °C?

The forward voltage is 800 mV.

What is the junction capacitance of the BAT54SW?

The junction capacitance is 10 pF at VR = 1 V; f = 1 MHz; Tamb = 25 °C.

What is the maximum operating temperature for the BAT54SW?

The maximum operating temperature is 150 °C.

What is the peak pulse current rating for the BAT54SW?

The peak pulse current is 600 mA.

What is the power dissipation of the BAT54SW?

The power dissipation is 200 mW at Tamb≤ 25 °C; [2].

What is the rectified current of the BAT54SW?

The rectified current is 200 mA.

What is the reverse leakage current of the BAT54SW?

The reverse leakage current is 2 µA at VR = 25 V; tp≤ 300 μs; δ ≤ 0.02; pulsed; Tamb = 25 °C.