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Package Cooled:DO-4
Part Number: 1N3997
Package Cooled: DO-4
Description: These high power 10 W Zener diodes represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 ...
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1N3997
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DataSheet
General Description
1N3997 General Description
These high power 10 W Zener diodes represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with adequate mounting and heat sinking with their low thermal resistance. These Zeners are also available in JAN, JANTX, JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications.
1N3997 Maximum Ratings
Junction Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65oC to +175oC
Storage Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65oC to +200oC
DC Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Watts
Power Derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 mW/oC above 50oC
Forward Voltage @ 2.0 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 Volts
THERMAL RESISTANCE . . . . . . . 10oC/W (typical) junction to case (stud)
Solder temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 oC for 10 s (max)
Storage Temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65oC to +200oC
DC Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Watts
Power Derating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 mW/oC above 50oC
Forward Voltage @ 2.0 A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 Volts
THERMAL RESISTANCE . . . . . . . 10oC/W (typical) junction to case (stud)
Solder temperatures . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 oC for 10 s (max)
1N3997 Features
• JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A
• Internal solder bond construction
• Hermetically sealed (welded)
• Zener Voltage 3.9V to 200V.
• Also available in JAN, JANTX, and JANTXV qualifications per MIL-PRF-19500/124 by adding the JAN, JANTX, or JANTXVprefixes to part numbers for desired level of screening; (e.g. JANTX1N2970B, JANTXV1N3996A, etc.
• Standard polarity is anode to case (stud) for 1N2970 thru 1N3015B and cathode to case for 1N3993 thru 1N4000A
• Reverse polarity is cathode to case for 1N2970 thru 1N3015B and anode to case for 1N3993 thru 1N4000A by designating R suffix, e.g. 1N2970RB, 1N3993RA, etc.
• Consult factory for surface mount equivalents
1N3997 Typical Application
• Regulates voltage over a broad operating current and temperature range
• Standard voltage tolerances are +/- 5% with suffix, +/-10% with an A suffix, and +/-20% with no suffix
• Consult factory for +/-2% or +/-1% voltage tolerance with a C or D suffix respectively
• Reverse polarity available
• Nonsensitive to ESD per MIL-STD-750 Method 1020
• Inherently radiation hard as described in Microsemi MicroNote 050
1N3997RA
PDF/DataSheet Download
- Datasheet: 1N3997RA
- File Size: 220898 KB
- Manufacturer: MICROSEMI [Microsemi Corporation]
- Click here to Download
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1N3997 Relative Products
1N3996A
These high power 10 W Zener diodes 1N3996Arepresented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with ad...
1N3996
These high power 10 W Zener diodes 1N3996represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with adeq...
1N3995A
These high power 10 W Zener diodes 1N3995Arepresented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with ad...
1N3995
These high power 10 W Zener diodes 1N3995 represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with ade...
1N3994A
These high power 10 W Zener diodes 1N3994Arepresented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with ad...
1N3994
These high power 10 W Zener diodes 1N3994represented by the JEDEC registered 1N2970 thru 1N3015B and 1N3993 thru 1N4000A series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 10 W with adeq...
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