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AT10 Series
TOCOS
ATTENUATORS
(R)
10mm Square, Single-Turn, Through-Hole Sealed Cermet Attenuators
AT10P
AT10S
AT10PK
Features
10mm square, single-turn, through-hole, sealed attenuators Cermet element Top and side adjust styles available Flush single-slot rotor adjustment Optional 20mm or 30mm plastic shaft with knurled, slotted end style 50, 75 or 600 nominal impedance 6.5dB, 12dB or 20dB nominal attenuation 3-pin triangular PCB patterns Meets UL 94V-0 flammability requirements Sealed to withstand immersion cleaning
Specifications
Electrical
Nominal Impedance . . . . . . . . . . . . . . . . . . 50, 75, 600 Attenuation Range at DC
Nominal Attenuation Attenuation Tolerance Minimum Attenuation 6.5dB 0.7dB 0.4dB max. 12dB 1.1dB 0.6dB max. 20dB 1.5dB 1.2dB max.
Environmental
Temperature Range . . . . . . . . . . . . . . . . . Load Life . . . . . . . . . . . . . . 55 C to 100 C 70 C, 250 hours with rated load A ) 0.5dB, I ) 5%
Moisture and Load Life . . . . . . . . . . . . . 40 C, 90-95%RH 90 minutes on, 30 minutes off, 0.2 watt, 120 cycles A ) 0.5dB, I ) 5% Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 55 C, 100 C, 30 minutes each, 5 cycles without load A ) 0.5dB, I ) 5% Shock . . . . . . . . . . . . . 50G, 11ms, 6 directions, 3 times each A ) 0.5dB, I ) 5% Vibration . . . . . . . . . . . . . . . . . .10-55Hz, 1.5mm amplitude, 3 directions, 2 hours each A ) 0.5dB, I ) 5% Soldering Heat Resistance . . . . . . . . . . . 350 C, 3 seconds A ) 0.1dB, I ) 1% Seal Test . . . . . . . . . . . . . . . . . 85 C, hot water for 1 minute Rotational Life . . . . . . . . . . . . . . . . . . 50 cycles without load A ) 1dB, I ) 10%
A = Attenuation Change at DC; I = Impedance Change Ratio
Power Rating . . . . . . . . 0.2 watt at
70 C, 0 watt at
100 C
Insulation Resistance . . . . . 100M minimum at 1,000VDC Dielectric Strength . . . . . . . . . . . . . . . . 1,000VAC, 1 minute Adjustment Travel . . . . . . . . . . . . . . . . . . . . . . . . . 140 10
Mechanical
Mechanical Travel . . . . . . . . . . . . . . . . . . . . . . . . . 150 10 Shaft Torque . . . . . . . . 25 to 200 gf*cm (0.35 to 2.77 oz*in) Stop Strength . . . . . . . . . . . . . 800 gf*cm (11.09 oz*in) max. Flammability of Plastic Materials . . . . . . . Meets UL 94V-0 Nominal Weight . . . . . . . . . . . . . . . . . . . . . 1.4g (P); 1.7g (S) 1.7g (PK 20mm shaft length) 2.0g (PK 30mm shaft length) Marking . . . . . . . . . . . Impedance, attenuation, dial locators, terminal identification, date code
102
1177 East Tower Road, Schaumburg, IL 60173
TOCOSAMERICA, INC.
Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com
AT10 Series
Model Nominal Impedance Nominal Attenuation
Frequency Specifications
Frequency Range DC ~ 300MHz 6.5dB DC ~ 500MHz DC ~ 300MHz 12dB DC ~ 500MHz 0.3 A*= 0~10dB: DC ~ 300MHz A*= 10~20dB: 20dB A*= 0~10dB: DC ~ 500MHz A*= 10~20dB: DC ~ 300MHz 0.2 0.3 0.2 0.3 A*= 0~10dB: DC ~ 300MHz A*= 10~20dB: 20dB A*= 0~10dB: DC ~ 500MHz A*= 10~20dB: 6.5dB DC ~ 100kHz DC ~ 100kHz DC ~ 100kHz DC ~ 300MHz 6.5dB DC ~ 500MHz DC ~ 300MHz 12dB DC ~ 500MHz 0.4 A*= 0~13dB: DC ~ 300MHz A*=13~20dB: 20dB A*= 0~13dB: DC ~ 500MHz 0.4 12 A*=13~20dB: 6.5dB 12dB DC ~ 250MHz DC ~ 250MHz DC ~ 250MHz A*=14~20dB: 6.5dB DC ~ 100kHz DC ~ 100kHz DC ~ 100kHz 0.3 0.3 0.3 1.3 23 20.8 20.8 1.15 1.20 1.20 0.2 0.2 A*= 0~14dB: 20dB 0.25 17 1.33 3.0 20 19 1.22 1.25 1.67 0.7 0.15 19 1.25 13 1.58 0.4 0.15 14 21 1.50 1.20 0.3 0.3 0.3 0.15 4.5 23 20.8 20.8 23 1.15 1.20 1.20 1.15 0.3 16 1.38 2.0 0.2 20 1.15 6.5dB DC ~ 500MHz DC ~ 300MHz 12dB DC ~ 500MHz 16 1.38 17 20 1.33 1.22 4.5 23 1.15 0.3 16 1.38 2.0 0.2 20 1.22 13 1.58 0.3 0.2 14 17 1.50 1.33 Attenuation Flatness dB max. 0.2 Return Loss dB min. 18 VSWR max. 1.29
50
AT10P & AT10PK
75
6000
12dB 20dB
50
AT10S
75
6000
12dB 20dB
* A = Attenuation
TOCOSAMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com
103
AT10 Series
AT10P
No Shaft, Flush Single-Slot, Top Adjust P Terminal Style
Dimensions
AT10S
No Shaft, Flush Single-Slot, Side Adjust S Terminal Style
Unit: mm
AT10PK
13mm or 23mm Plastic Shaft with Knurled, Slotted End Style, Top Adjust, PK Terminal Style
AT10PK Shaft Codes and Dimensions
Shaft Code 20S 30S Shaft L Housing Length 20mm 30mm A Actual Shaft Length 13mm 23mm
Recommended PCB Layouts
P & PK Pin-Out S Pin-Out
C IN
O1.0
Electrical Schematic
Unit: mm
IN R S1 R S2 OUT
OUT C 2.5
0.3
max. (3 holes) 2.5
0.3
O1.0
max. (3 holes)
IN
OUT
5.0
0.6
Z IN RP
ZO
2.5
0.3 0.6
2.5
0.3
2.5
0.3 0.6
5.0
5.0
C
104
1177 East Tower Road, Schaumburg, IL 60173
TOCOSAMERICA, INC.
Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com
AT10 Series
AT 10 PK 20dB 20S 500
Part Numbering System
Nominal Impedance Code: Expressed in ohms. A three digit code where the first two digits are significant figures, and the third digit indicates the number of zeros that follow these figures (i.e., 500 = 50; 750 = 75; 601 = 600 ). Shaft Length: 20S = 13mm Shaft with Knurled, Slotted End Style. 30S = 23mm Shaft with Knurled, Slotted End Style. Blank = No shaft. Nominal Attenuation: 6.5dB ( 0.7 Attenuation Tolerance). 12dB ( 1.1 Attenuation Tolerance). 20dB ( 1.5 Attenuation Tolerance). Dash: Use a dash, with no space before or after the dash, to separate Style and Nominal Attenuation. Example: AT10PK-20dB20S500 Style: P = PCB Mount, No Shaft, Rotor Flush with Housing, 3-Pin Triangular Pattern, Top Adjust. S = PCB Mount, No Shaft, Rotor Flush with Housing, 3-Pin Triangular Pattern, Side Adjust. PK = PCB Mount, Plastic Shaft (available in 2 lengths), 3-Pin Triangular Pattern, Top Adjust Only. Size: 10 = 10mm Square Housing. TOCOS Series Name: AT = Attenuator.
Packaging
Standard: Bulk Packaging Quantity
100 pieces per box.
Soldering and Cleaning Guidelines
For soldering, cleaning and other information, refer to the Guidelines and Precautions.
TOCOSAMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173 Tel: 847-884-6664 Fax: 847-884-6665 E-mail: sales@tocos.com www.tocos.com
105

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