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 . . . . . . . . . . . . . . . . . 55Cto
100C
Load Life . . . . . . . . . . . . . .
70C, 250 hours with rated load
∆ A
)
0.5dB,
∆I
)
5%
Moisture and Load Life . . . . . . . . . . . . .
40C, 90-95%RH
90 minutes on, 30 minutes off,
0.2 watt,120 cycles
∆ A
)
0.5dB,
∆I
)
5%
Thermal Shock . . . . . . . . . . . . . . . . . . . . . . 55C,
100C,
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 . . . . . . . . . . . 350C, 3 seconds
∆ A
)
0.1dB,
∆I
)
1%
Seal Test . . . . . . . . . . . . . . . . .
85C, 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
®
ATTENUATORS
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
50Ω,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 . . . . . . . . . . . . . . . . . . 50Ω,75Ω, 600Ω
Attenuation Range at DC
Power Rating . . . . . . . . 0.2 watt at
70C, 0 watt at
100C
Insulation Resistance . . . . . 100MΩ 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
