VISHAY SS25S Surface Mount Schottky Barrier Rectifier Owner’s Manual

SS25S Surface Mount Schottky Barrier Rectifier

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Specifications

• Manufacturer: Vishay General Semiconductor
• Product Name: SS25S, SS26S
• Type: Surface-Mount Schottky Barrier Rectifier
• Package: SMA (DO-214AC)
• Forward Current: 2.0 A
• Reverse Voltage Range: 50 V, 60 V

Product Usage Instructions

Features and Typical Applications

The SS25S and SS26S rectifiers are suitable for use in low
voltage, high frequency inverters, freewheeling, DC/DC converters,
and polarity protection applications.

Mechanical Data

• Case: SMA (DO-214AC)

• Molding compound meets UL 94 V-0 flammability rating

• Terminals: matte tin plated leads, solderable per J-STD-002 and
  JESD 22-B102

• Polarity: color band denotes the cathode end

Ordering Information

Example Preferred Part Number: SS26S-E3/61T

Unit Weight: 0.064g

Preferred Package Code: 61T

Device Marking and Parameters

FAQs

1. What are the typical applications of the SS25S and SS26S

rectifiers?

The rectifiers are commonly used in low voltage, high frequency
inverters, freewheeling, DC/DC converters, and polarity protection
applications.

2. How can I identify the cathode end of the rectifier?

The cathode end is denoted by a color band on the rectifier.

3. What is the operating junction temperature range for these

rectifiers?

The operating junction temperature range is -55 to +150 degrees
Celsius.

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SS25S, SS26S
Vishay General Semiconductor

Surface-Mount Schottky Barrier Rectifier

SMA (DO-214AC)

Cathode

Anode

LINKS TO ADDITIONAL RESOURCES
3D 3D
3D Models

PRIMARY CHARACTERISTICS

IF(AV) VRRM IFSM VF at IF = 2.0 A TJ max. Package Circuit configurations

2.0 A 50 V, 60 V
40 A 0.53 V 150 °C SMA (DO-214AC) Single

FEATURES

· Low profile package

Available

· Ideal for automated placement

· Guardring for overvoltage protection

· Low power losses, high efficiency

· Low forward voltage drop

· High surge capability

· Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C

· AEC-Q101 qualified available

· Material categorization: for definitions of compliance please see www.vishay.com/doc?99912

TYPICAL APPLICATIONS
For use in low voltage, high frequency inverters, freewheeling, DC/DC converters, and polarity protection applications.

MECHANICAL DATA
Case: SMA (DO-214AC) Molding compound meets UL 94 V-0 flammability rating Base P/N-E3 – RoHS-compliant, commercial grade Base P/NHE3_X – RoHS-compliant and AEC-Q101 qualified (“_X” denotes revision code e.g. A, B, …..)
Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 E3 suffix meets JESD 201 class 2 whisker test, HE3 suffix meets JESD 201 class 2 whisker test
Polarity: color band denotes the cathode end

MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)

PARAMETER

SYMBOL

Device marking code

Maximum repetitive peak reverse voltage

VRRM

Maximum average forward rectified current (fig. 1)
Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load

IF(AV) IFSM

Operating junction temperature range

TJ, TSTG

SS25S

SS26S

25S

26S

50

60

2.0

40

– 55 to + 150

UNIT
V A A °C

Revision: 24-Apr-2020

1

Document Number: 89055

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

www.vishay.com

SS25S, SS26S
Vishay General Semiconductor

ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)

PARAMETER

TEST CONDITIONS

SYMBOL

TYP.

Maximum instantaneous forward voltage (1)
Maximum reverse current (2)

IF = 1.0 A IF = 2.0 A IF = 1.0 A IF = 2.0 A

TA = 25 °C TA = 125 °C

VF

Rated VR

TA = 25 °C TA = 125 °C

IR

0.51 0.60 0.43 0.53
1.5

Notes
(1) Pulse test: 300 s pulse width, 1 % duty cycle (2) Pulse test: Pulse width 40 ms

MAX. –
0.75 –
0.62 200 10

UNIT
V
A mA

THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)

PARAMETER

SYMBOL

SS25S

SS26S

Typical thermal resistance (1)

RJA

100

RJL

28

Note (1) PCB mounted with 0.2″ x 0.2″ (5.0 mm x 5.0 mm) copper pad areas

UNIT °C/W

ORDERING INFORMATION (Example)

PREFERRED P/N

UNIT WEIGHT (g) PREFERRED PACKAGE CODE

SS26S-E3/61T

0.064

61T

SS26S-E3/5AT

0.064

5AT

SS26SHE3_B/H (1)

0.064

H

SS26SHE3_B/I (1)

0.064

I

Note (1) AEC-Q101 qualified

BASE QUANTITY 1800 7500 1800 7500

DELIVERY MODE 7″ diameter plastic tape and reel 13″ diameter plastic tape and reel 7″ diameter plastic tape and reel 13″ diameter plastic tape and reel

Revision: 24-Apr-2020

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Document Number: 89055

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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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SS25S, SS26S
Vishay General Semiconductor

1st line

RATINGS AND CHARACTERISTICS CURVES (TA = 25 °C unless otherwise noted)

2nd line Instantaneous Reverse Current (µA)

Average Forward Current (A)

2.4 Resistive or Inductive Load
2.0

1.6

1.2

PCB Mounted on

0.8

0.2″ x 0.2″ (5.0 mm x 5.0 mm) Copper Pad Areas

10 000 1000 100

TJ = 150 °C

Axis Title

TJ = 125 °C

10 TJ = 25 °C
1

0.1

10000 1000 100

0.4
0 80 90 100 110 120 130 140 150 Lead Temperature (°C)

0.01

TJ = -40 °C

0.001

10

20 30 40 50 60 70 80 90 100

Percent of Rated Peak Reverse Voltage (%)

Fig. 1 – Forward Current Derating Curve

Fig. 4 – Typical Reverse Characteristics

Average Power Loss (W)

1.4 D = 0.3 D = 0.5 D = 0.8
1.2
D = 0.2

1.0 D = 0.1

D = 1.0

0.8

0.6 T
0.4

0.2
0 0

D = tp/T

tp

0.4

0.8

1.2

1.6

2.0

2.4

Average Forward Current (A)

Fig. 2 – Forward Power Loss Characteristics

Axis Title

100

10000

Junction Capacitance (pF)

1000 100

TJ = 25 °C f = 1.0 MHz
Vsig = 50 mVp-p

10

0.1

1

10

100

Reverse Voltage (V)

Fig. 5 – Typical Junction Capacitance

TJ = 150 °C 10

1000

2nd line Instantaneous Forward Current (A)

TJ = 125 °C

1

100

TJ = 25 °C

TJ = -40 °C

0.1

10

0.2

0.4

0.6

0.8

1.0

1.2

Instantaneous Forward Voltage (V)

Fig. 3 – Typical Instantaneous Forward Characteristics

Revision: 24-Apr-2020

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Document Number: 89055

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www.vishay.com PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
SMA (DO-214AC) Cathode Band

0.065 (1.65) 0.049 (1.25)

0.110 (2.79) 0.100 (2.54)

SS25S, SS26S
Vishay General Semiconductor

Mounting Pad Layout

0.066 (1.68) MIN.

0.074 (1.88) MAX.

0.090 (2.29) 0.078 (1.98)
0.060 (1.52) 0.030 (0.76)

0.177 (4.50) 0.157 (3.99)

0.012 (0.305) 0.006 (0.152)

0.060 (1.52) MIN.

0.208 (5.28) REF.

0.008 (0.203) 0 (0)
0.208 (5.28) 0.194 (4.93)

Revision: 24-Apr-2020

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Document Number: 89055

For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

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Revision: 01-Jul-2024

1

Document Number: 91000

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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

References

• Vishay Intertechnology: Passives & Discrete Semiconductors
• vishay.com/doc?87401

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