S3AF~S3MF

ROHS

Revision March 1,2022

www.unsemi.com.tw

www.unsemi.com.tw

For technical questions, contact: tech@unsemi.com.tw

Specifications are subject to change without notice.

Please refer to www.unsemi.com.tw for current information.

1/3

Surface Mount General Purpose Silicon Rectifiers

Features

Mechanical Data



For surface mounted applications



Low profile package



Glass passivated chip junction



Easy to pick and place



Lead free in comply with EU RoHS 2011/65/EU directives



Case: SMAF



Quantity Per Reel : 3,000pcs



Approx. Weight : 27mg / 0.00095oz



Terminals: Solderable per MIL-STD-750, Method 2026

Parameter

Symbol

S3JF S3KF S3MF

S3GF

Units

VRRM

VRMS

VDC

IF(AV)

VF

IR

IR

Cj

R

θJA

R

θJC

TJ,Tstg

V

V

V

A

V

pF

℃

Ta=25℃

Ta=125℃

（

1）

Note: (1) Measured at 1MHz and applied reverse voltage of 4VDC.

(2) P.C.B. mounted with 2.0" X 2.0" (5 X 5cm) copper pad areas.

Maximum Repetitive Peak Reverse Voltage

Maximum RMS Voltage

Maximum DC Blocking Voltage

Max Instantaneous Forward Voltage at 3A

Typical Junction Capacitance

Operating and Storage Temperature Range

3.0

1.1

5.0

125

32

50

16

-55 ~ +150

Peak Forward Surge Current,8.3ms Single Half Sine-wave

Superimposed on Rated Load

Maximum DC Reverse Current at Rated

DC Reverse Voltage

（

2）

IFSM

A

μA

Maximum Average Forward Rectified Current at Tc =125℃

80

Maximum Ratings and Electrical Characteristics

Ratings at 25℃ ambient temperature unless otherwise specified.

Single phase half-wave 60Hz, resistive or inductive load, for capacitive load current derate by 20%.

1：Cathode

2：Anode

SMAF

1

2

400

280

400

600

420

600

800

560

800

S3BF S3DF

S3AF

50

35

50

100

70

100

200

140

200

1000

700

1000

Typical Thermal Resistance

℃/

W