Linear Systems replaces discontinued Siliconix SST511
 Current Regulator Diode — POV (min) 45 V

Description:

The SST511 belongs to a family of ±20% range current regulators designed for demanding applications in test equipment and instrumentation. These devices utilize JFET techniques to produce a device which is extremely simple to operate.

 
SST511 Applications:
  • Constant-Current Supply
  • Current-Limiting
  • Timing Circuits

     
Features:
  • Surface-Mount Package
  • Guaranteed ±20% Tolerance
  • POV (min) 45V
  • Good Temperature Stability
     
Benefits:
  • Simple Series Circuitry, No Separate Voltage Source
  • Tight Guaranteed Circuit Performance
  • Excellent Performance in Low-Voltage / Battery
    Circuits and High-Voltage Spike Protection
  • High Circuit Stability vs. Temperature
SST511 Electrical Characteristics @ 25ºC (Unless otherwise stated)
SYMBOL CHARACTERISTIC MIN TYP MAX UNITS CONDITIONS
POV Peak Operating Voltage2 45     V IF = 1.1IF(MAX)
VR Reverse Voltage   0.8   V IR = 1mA
CF Forward Capacitance   1.5   pF VF = 25V, f = 1MHz
SST511 Specific Electrical Characteristics @ 25ºC (Unless otherwise stated)
PART FORWARD CURRENT3
IF		 DYNAMIC IMPEDANCE4
Zd		 KNEE IMPEDANCE Zk LIMITING VOLTAGE5
VL
VF = 25V VF = 25V VF = 6V IF = 0.8IF(MAX)
MIN NOM MAX MIN TYP TYP TYP MAX
  3.800 4.70 5.600 0.07 0.2 0.03 4.2 2.1

 

Absolute Max Ratings

Absolute Max Ratings @ 25ºC unless otherwise stated

Maximum Temperatures
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . – 55 to +150ºC
Junction Temperature. . . . . . . . . . . . . . . . . . . . . . . . – 55 to +135ºC

Maximum Power Dissipation
Continuous Power Dissipation . . . . . . . . . . . . . . . . . . . 350mW

Maximum Currents
Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA

Maximum Voltages
Peak Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . POV = 50V

1. Absolute maximum ratings are limiting values above which serviceability may be impaired.
2. Pulsed, t = 2ms. Maximum VF where IF < 1.1IF(max).
3. Pulsed, t = 2ms. Continuous currents may vary.
4. Pulsed, t = 2ms. Continuous impedances may vary.
5. Min VF required to ensure IF = 0.8IF(min).
 

   V–I CURRENT CHARACTERISTICS REGULATING DIODE
   
For SST511 product enquiries & mechanical die details please contact your stocking distributor Mintech Semiconductors

sales@mintech.co.uk
SST511 Availability:

SOT-23
Bare die form
Wafer form

 
Information furnished by Linear Integrated Systems and Mintech Semiconductors is believed to be accurate and reliable. However, no responsibility is assumed for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Linear Integrated Systems.
 
Mintech Semiconductors Ltd Tel: +44 1603 788967, Fax: +44 1603788920 Email: sales@mintech.co.uk Web: www.mintech.co.uk