US1AAFC ~ US1MAFC Series
Surface Mount Ultra Fast Recovery Rectifier
50~1000 V
1 A
Voltage
Current
SMAF-C
Features
Glass passivated chip junction
Ultrafast reverse recovery time
Low forward voltage drop
Low switching losses, high efficiency
High forward surge capability
Lead free in compliance with EU RoHS 2.0
Green molding compound as per IEC 61249 standard
Mechanical Data
Case : Molded plastic, SMAF-C
Terminals : Solderable per MIL-STD-750, Method 2026
Approx. Weight : 0.0012 ounces, 0.034 grams
Maximum Ratings and Thermal Characteristics (TA = 25oC unless otherwise noted)
PARAMETER
SYMBOL US1AAFC US1BAFC US1DAFC US1GAFC US1JAFC US1KAFC US1MAFC UNITS
Maximum Recurrent Peak Reverse
Voltage
50
100
200
400
600
800
1000
V
VRRM
Maximum RMS Voltage
VRMS
VR
35
50
70
140
200
280
400
420
600
560
800
700
V
V
Maximum DC Blocking Voltage
100
1000
Maximum Average Forward
Rectified Current
IF(AV)
1
A
A
Peak Forward Surge Current : 8.3
ms Single Half Sine-Wave
Superimposed On Rated Load
Forward Voltage at 1A
Reverse Current
IFSM
30
VF
IR
1
1.4
1
1.7
V
uA
Typical Junction Capacitance
Measured at 1 MHz And Applied
VR = 4V
CJ
20
15
10
pF
Reverse Recovery Time(Note 1)
TRR
RθJL
RθJA
50
100
ns
(Note 2)
22
Typical Thermal Resistance
oC/W
(Note 3)
150
Operating Junction Temperature
Range
TJ
-55 to +150
-55 to +150
oC
oC
Storage Temperature Range
TSTG
NOTES:
1. Reverse Recovery Test Conditions: IF=0.5A, IR=1A, Recover to 0.25A
2. Mounted on a FR4 PCB, single-sided copper, with 10cm x 10cm copper pad area
3. Mounted on a FR4 PCB, single-sided copper, standard footprint
July 4,2020
US1AAFC_SERIES-REV.00
Page 1