Home Blog~~The SS54 Schottky Diode's 5A, 40V Capabilities in an SMA Package~~

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The SS54 Schottky Diode's 5A, 40V Capabilities in an SMA Package

This article provides an in-depth look at the SS54 Schottky diode, a semiconductor device optimized for high-frequency, low-voltage applications. Engineered with an epitaxial structure for enhanced current handling and low forward voltage drop, the SS54 meets rigorous safety standards including the UL 94V-0 flammability specification. With comprehensive sections covering its dimensions, technical specifications, performance ratings, and applications, this guide serves as resource for understanding the capabilities and uses of the SS54, along with its packaging and CAD model details for precise electronic design.

Catalog

1. What is the SS54?

2. SS54 Pin Configuration

3. SS54 Symbol and Footprint

4. Features of SS54

5. SS54 Technical Specifications

6. SS54 Characteristics Curve

7. SS54 Electrical Characteristics and Maximum Ratings

8. Equivalent and Alternative Diodes

9. Dimensions of the SS54

10. SS54 Packaging

What is the SS54?

The SS54 is a compact, high-efficiency Schottky rectifier designed for low-voltage and high-frequency applications. With a low forward voltage drop of 0.55V, a maximum forward current of 5A, and a peak surge capacity of 150A, this diode is ideal for power-intensive circuits requiring both efficiency and minimal space. Common uses include inverters, freewheeling circuits, and polarity protection.

SS54 Pin Configuration

SS54 Pinout

Pin No.	Pin Name	Description
1	Anode	Current always enters through the Anode
2	Cathode	Current always exits through the Cathode

SS54 Symbol and Footprint

SS54 Symbol

SS54 Footprint

Features of SS54

The SS54 utilizes a metal-semiconductor junction with an epitaxial structure, carefully engineered for a low forward voltage drop and high current handling. Its design meets the UL 94V-0 flammability standard, providing reliability and safety in high-frequency, low-voltage environments.

SS54 Technical Specifications

Type	Parameter
Package / Case	SMC(DO-214AB)
Voltage - Forward (Vf) (Max) @ If	550mV @ 5A
Current - Average Rectified (Io)	5A
Packaging	Tape & Reel (TR)
Voltage - DC Reverse (Vr) (Max)	40V
RoHS Status	RoHS Compliant

SS54 Characteristics Curve

SS54 Rating and Characteristics Curve

SS54 Electrical Characteristics and Maximum Ratings

Characteristics	Symbol	Values
Max. Recurrent Peak Reverse Voltage	Vrrm	40 V
Max. RMS Voltage	Vrms	28 V
Max. DC Blocking Voltage	V DC	40 V
Maximum Average Forward Rectified Current	I (AV)	5:00 AM
0.375″ (9.5mm) Lead Lengths at Tl = 95°C	I (AV)	5:00 AM
Peak Forward Surge Current	Ifsm	150 A
8.3 ms Single Half Sine-wave Super Imposed on Rated Load (JEDEC Method)	Ifsm	150 A
Max. Forward Voltage at 5A DC	Vf	0.55 V
Max. DC Reverse Current at Tj = 25°C	Ir	1 µA / 50 µA
Rated DC Blocking Voltage at Tj = 100°C	Ir	1 µA / 50 µA
Typical Junction Capacitance (Note 1)	Cj	500 pF
Typical Thermal Resistance (Note 2)	RθJA	15 °C / W
Operating Temperature Range	Tj	-55 to +125 °C
Storage Temperature Range	Tstg	-55 to +150 °C

Equivalent and Alternative Diodes

• SS56

• SS52

• SS53

• 1N5822

• 1N5824

• 1N4148

• 1N4002

Dimensions of the SS54

SS54 Dimensions

SS54 Packaging

SS54 Package Information

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Frequently Asked Questions [FAQ]

1. What is the SS54?

The SS54 is a high-power Schottky rectifier with a 0.55V forward voltage drop and a 5A forward current rating, designed for use in low-voltage, high-frequency circuits such as inverters and polarity protection.

2. What is a Schottky barrier rectifier diode?

A Schottky rectifier is a semiconductor device with a metal-semiconductor junction, allowing for fast switching speeds and low forward voltage drop, which enhances efficiency in power applications.