RFA-50T, RFA-75, RFA-300, RFA-600

Lead Free
RF SOLUTIONS - WILLOW TECHNOLOGIES LTD
VHF/UHF THROUGH-HOLE ATTENUATORS
RFA-50T, RFA-75,
RFA-300, RFA-600
Features and Applications
RF attenuators with 50Ω, 75Ω, 300Ωand 600Ωcharacteristic impedance and T, □, π, H schematic. For
through hole applications. SIP and DIP. Long life and temperature stability a result of Ni-Cr thin film and
alumina substrates. RFA series useful in isolation circuits, data transmission, mobile, RF applications
and measurements
Specifications and Performances
Model
Type
RFA-50TF
RFA-75TF
RFA-300TF
RFA-600TF
RFA-50T
RFA-75T
RFA-300T
RFA-600T
RFA-50TS
RFA-300B
RFA-600B
RFA-85FD
RFA-85FC
Impedance
T-SIP 2.54pitch leads
T-SIP 2.54pitch leads
T-SIP 2.54pitch leads
T-SIP 2.54pitch leads
T-SIP 5.0pitch leads
T-SIP 5.0pitch leads
T-SIP 5.0pitch leads
T-SIP 5.0pitch leads
T-DIP leads
B-pai-DIP leads
B-pai-DIP leads
T-DIP 2.54pitch leads
T-DIP 2.54pitch leads
Items
50Ω
75Ω
300Ω
600Ω
50Ω
75Ω
300Ω
600Ω
50Ω
75Ω
300Ω
50Ω
75Ω
RFA-50, RFA-75,
RFA-300,
RFA-600, RFA-85F
Tolerance of Impedance
±1%(F)
Tolerance of Attenuation
±1%
TCR, Characteristic Impedance
±50ppm/K
TCR of Attenuation
±50ppm/K
Soldering Heat
Solderability
Attenuation
Frequency
1,2,3,4,5,6,7,8,9,10,16, 20,30 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
1,2,3,4,5,6,7,8,9,10,16, 20,30,40 dB
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-100MHz
DC-200MHz
DC-200MHz
Rate
Power
0.25W
0.25W
0.25W
0.25W
0.50W
0.50W
0.50W
0.50W
0.50W
0.50W
0.50W
0.50W
0.50W
Test Condition
Input dc resistance in terminating output port with precision
resistor.
Output dc volt in terminating output port with precision resistor
when 1V stable dc source conect to input port.
TC of input DC resistance in terminating output port with
precision resistor
Output dc volt TC in terminating output port with precision
resistor when 1V stable dc source conect to input port.
±1%
350C, 3 seconds, dipping
75% Covered
350C, 3 seconds, dipping
Humidity
±1%
40C,-95%RH, DC0.1W, 1000H
Load Life
±1%
70C, 90minON, 30minOFF, 100H
Willow Technologies Ltd. Shawlands Court Newchapel Road Lingfield Surrey RH7 6BL ENGLAND
Tel. +44 (0) 1342 835234 Fax. +44 (0) 1342 834306 Web. www.willow.co.uk E-mail. [email protected]
RF SOLUTIONS - WILLOW TECHNOLOGIES LTD
Lead Free
VHF/UHF THROUGH-HOLE ATTENUATORS
RFA-50, RFA-75, RFA-300, RFA-600
Dimensions
RFA-50TF, RFA75TF,RFA-300TF, RFA-600TF
A
Symbol
A
B
C
D
E
F
G
C
B
E
D
F
RFA-50T, RFA75T, RFA-300T, RFA-600T
A
mm
8.0max
7.0
3.0max
2.54
0.6
0.5
3.3
B
D
G
G
D
A
G
D
Symbol
A
B
C
D
E
F
G
B
E
C
E
D
G
A
G
B
mm
12.5max
11.5max
3.0max
5.0
0.5φ
10
RFA-85FD, RFA-85FC
mm
10.5max
7.0
3.0max
4.0
0.5
10.0
A
E D B
F
G
C
H
RFA-50TS, RFA75TS, RFA-300TS, RFA-600TS
Symbol
A
B
C
D
E
F
G
Symbol
A
B
C
D
E
F
G
E
RFA-50B, RFA-75B, RFA-300B, RFA-600B
G
C
Symbol
A
B
C
D
E
F
G
H
mm
9.0max
6.0max
3.5max
2.54
0.6
9.0
3.3
0.5
Equivalent Circuit of attenuator
mm
12.5max
11.5max
3.0max
10.0
φ0.5
10.
C
Unbalance T
Unbalance PAI
Balanced T
Balanced PAI
Ordering Information
P/N
RFA-50T6dBFZ00
RFA-75T12dBFZ00
RFA-600T20dBFZ00
Type and Impedance
RFA-50TF
RFA-75TF
RFA-600TF
Attenuation
-6dB
-12dB
-20dB
Impedance
Tolerance
1%(F)
1%(F)
1%(F)
Code
Z00 Lead-free
Z00 Lead-free
Z00 Lead-free
20050212
Willow Technologies Ltd. Shawlands Court Newchapel Road Lingfield Surrey RH7 6BL ENGLAND
Tel. +44 (0) 1342 835234 Fax. +44 (0) 1342 834306 Web. www.willow.co.uk E-mail. [email protected]