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Revision Date: 8/29/2012

3

Graphs

Symbol

Definition

IL

Limiting Current: A specified current below the lower knee of the current-regulating characteristic.

IP

Regulator current: A current within the regulating range of a current-regulator diode.

PD

Power Dissipation: The power dissipation, DC.

RƟJL Thermal Resistance Junction-to-Lead: The thermal resistance from the virtual junction(s) of a

semiconducter device to the lead.

TL

Lead Temperature: The temperature of a lead terminal.

TSP

Temperature Solder Pad: The maximum solder temperature that can be safely applied to the terminal.

VK

Knee Voltage: A specified regulator YOitage near the lower knee of the current-regulating characteristic.

VL

Limiting Voltage: The voltage at point IL on the current-YOitage characteristic.

VS

Regulator Voltage: A voltage within the regulating range of a current-regulating diode.

ZK

Knee Impedance: The small-signal impedance at operating point VK on the current-volttage characteristic.

ZS

Regulator Impedance: The small-signal impedance within the regulating range of a current-regulator diode.

ZƟJL Thermal Impedance: The thermal impedance junction to reference point.

1N5283-1 thru 1N5314-1 &

1N7048-1 thru 1N7055-1

Symbols & Definitions