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High Frequency Surface Mount Attenuators
PAT Series * Frequency operation to 10 GHz * Industry standard 0805, 1206, 1612 chip sizes * Low parasitic capacitance and inductance * Thin film stability over time and temperature
IRC Advanced Film Division
The PAT chip attenuator series are available in a wide range of power ratings from 100mW to 250mW. The surface mount package is ideal for applications where parasitic capacitance and inductance are concerns. Typical applications include wireless communication receivers and transmitters.
Electrical Data
PAT1220 Impedance Frequency Range VSWR Attenuation Attenuation Tolerance TCR Power Rating Operating Temperature Range 50W DC to 10 GHz 1.3 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10dB 0.3dB 50ppm/C 100mW PAT1632 50W DC to 3GHz 1.3 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16dB 0 to 10dB: 0.3dB 16dB: 0.5dB 50ppm/C 125mW -55C to +125C PAT3042SC 50W DC to 3GHz 1.2 PAT3042SD 75W DC to 2GHz 1.3
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 20dB 0 to 10dB: 0.3dB 16, 20dB: 0.5dB 25ppm/C 250mW
Environmental Data
Test Condition Short Time Overload Load Life Moisture Resistance Temperature Cycle Resistance to Solder Heat Terminal Strength Solderability Insulation Resistance 2.5 x rated voltage, 5 sec 1000 Hours, 70C 1000 Hours, 60C, 95% 5 Cycles, 125C High, -55 Low 260C, 10 sec. Fulcrum dist: 90mm, Bending width: 3mm Substrate: Glass epoxy t=1.6mm 235C, 3 sec. 500V, 1 minute
37 A subsidiary of TT electronics plc PAT Series Issue October 2006 Sheet 1 of 3
Tolerance Attenuation 0.02dB 0.04dB 0.04dB 0.02dB 0.02dB 0.02dB Impedance 0.2% 0.5% 0.5% 0.2% 0.2% 0.2% >95% coverage >1000MW
General Note
IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC's own data and is considered accurate at time of going to print.
(c) IRC Advanced Film Division * Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Email: afdsales@irctt.com * Website: www.irctt.com
High Frequency Surface Mount Attenuators
Physical Data
L a W1 a
IRC Advanced Film Division
Dimensions (mm) t a1 4 b1 a1 L W t b3 3 a b W1 2 b W3 5 b b2 W2 W3 b1 2.00 0.10 1.25 0.10 0.40 0.10 0.50 0.20 0.60 0.20 0.40 0.20 0.40 0.20 0.35 0.20 0.70 0.10 0.50 0.10 0.70 0.10 0.80 0.10 2.30 0.10
1
PAT1220
W2
1 0
W
K
b3
b2 b3
W3
a2
a1 a2
1: Electrode (surface soldering and lead-free possible) 2: Covering resin 3: Alumina substrate 4: Thin film resistor 5: Mark (shows impedance, attenuations and date) L a W1 a t Dimensions (mm) a1 b1 a1 L W b3 3.20 0.20 1.60 0.20 0.40 0.10 1.00 0.25 1.00 0.20 0.55 0.25 0.40 0.25 0.40 0.20 1.00 0.20 0.65 0.20 0.80 0.10 1.20 0.20 3.40 0.20
C01
W2
W
4 3 b2
t a b W1 W2
PAT1632
2 b W3
5
b b3
W3 b1
a2 W3
b2 b3 a1 a2
1: Electrode (surface soldering and lead-free possible) 2: Covering resin 3: Alumina substrate 4: Thin film resistor 5: Mark (shows impedance, attenuations and date)
L
t
a1
b1
a1
Dimensions (mm) C (50W) b3 D (75W) 4.20 0.20 3.00 0.20 0.80 0.15 0.80 0.20 0.50 0.20 3.10 0.20 1.05 0.20 0.95 0.20 0.95 0.20 0.80 0.20 0.95 0.20 0.90 0.20 0.95 0.20 0.30 0.20 3.50 0.20 1.55 0.20 1.55 0.20 0.55 0.20 0.60 0.20 0.55 0.20 0.60 0.20 1.55 0.20
W1
Wa
C07
2 5 a
L W
W
4 3
b2
t a b3 b Lb a2 C (50W) b1 b2 2.90 0.20 0.90 0.20 1.10 0.20 1.20 0.20 5.30 0.20 D (75W) 3.30 0.20 1.10 0.20 1.00 0.20 1.00 0.20 5.30 0.20 Wa Wb W1 W2 W3 W4 Wb
PAT3042S
W2
W3
Wb
K
a b Lb b
W4
b3 a1 a2
1: Electrode (surface soldering and lead-free possible) 2: Covering resin 3: Alumina substrate 4: Thin film resistor 5: Mark (shows impedance, attenuations and date)
(c) IRC Advanced Film Division * Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Email: afdsales@irctt.com * Website: www.irctt.com
38
PAT Series Issue October 2006 Sheet 2 of 3
High Frequency Surface Mount Attenuators
Power Derating Curve
% of Rated Power
100
IRC Advanced Film Division
Schematic Diagram Data
1 2
60
0
25
Ambient Temperature (C) Temperature in C
70
125
3
3
3
1
2
Ordering Data
Prefix Model
PAT1220; PAT1632; PAT3042SD (75W); PAT3042SC(50W)
HFR - PAT1220 - C - 3dB - T(5)
3
3
Attenuation
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16, 20dB
Impedence
C = 50W; D = 75W
Package
T=Tape, B=Bulk, Taping Quantity Unit:5 (5000), 1 (1000)
(c) IRC Advanced Film Division * Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Email: afdsales@irctt.com * Website: www.irctt.com
39
PAT Series Issue October 2006 Sheet 3 of 3

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