US3AF~US3MF

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 Fast Recovery Rectifiers

Features

Mechanical Data



For surface mounted applications



Low profile package



Glass passivated chip junction



Easy to pick and place



Fast reverse recovery time



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

1：Cathode

2：Anode

Parameter

Symbol US3AF US3BF US3DF US3GF US3JF US3KF US3MF Units

VRRM

VRMS

VDC

VF

IR

IR

Trr

R

θJA

R

θJC

TJ,Tstg

V

V

V

V

nS

℃

Ta=25℃

Ta=125℃

（

1）

Note:(1) Measured with IF=0.5A, IR=1A, Irr=0.25A.

(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

Maximum Reverse Recovery Time

Operating and Storage Temperature Range

50

35

50

100

70

100

200

140

200

400

280

400

600

420

600

800

560

800

1000

700

1000

SMAF

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

3.0

80

1.3

5.0

100

50

16

75

1.0

1.68

-55 ~ +150

50

μA

1

2

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%.

Maximum Average Forward Rectified Current

at Tc=125℃

IF(AV)

A

Typical Thermal Resistance

℃/

W