TOCOS AMERICA, INC.
1177 East Tower Road, Schaumburg, IL 60173
Tel: 847-884-6664
Fax: 847-884-6665
E-mail: sales@tocos.com
www.tocos.com
Environmental
Temperature Range . . . . . . . . . . . . . . . . .
55 Cto
100 C
Load Life . . . . . . . . . . . . . .
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
AT10 Series
10mm Square, Single-Turn, Through-Hole Sealed Cermet Attenuators
TOCOS®
A TTENUA TORS
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
Ω,75Ω or 600Ω 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
Ω,75Ω, 600Ω
Attenuation Range at DC
Power Rating . . . . . . . . 0.2 watt at
70 C, 0 watt at
100 C
Insulation Resistance . . . . . 100M
Ω 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
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.
AT10P
AT10S
AT10PK
102