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

10mm Square, Single-Turn, Through-Hole Sealed Cermet Attenuators

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

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