Datasheet · Triode · Mullard·GE

12AT7 datasheet

12AT7 / ECC81 — original PDF document from Mullard·GE. Free, no signup.

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Key 12AT7 specs at a glance

Type
Triode
Primary use
Driver
Era
19470s
Heating
indirect
Heater
12.6 V / 0.15 A
μ (amplification factor)
60
gm (transconductance)
5.5 mA/V
rp (plate resistance)
10.9 kΩ
Max plate voltage
300 V
Max plate dissipation
2.5 W
Base
noval
Manufacturer
Mullard·GE
Equivalents
ECC81, 6201

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