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1N938B


Part Number 1N938B
Manufacturer Digitron Semiconductors
Title TEMPERATURE COMPENSATED ZENER REFERENCE DIODES
Description 1N935(A)(B)(UR)-1N935(A)(B)(UR) High-reliability discrete products and engineering services since 1977 TEMPERATURE COMPENSATED ZENER REFERENCE D...
Features
 Available as High Reliability, JANTX level by adding “-HR” suffix.
 Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
 Available as surface mount by adding “UR” suffix. MAXIMUM RATINGS Characteristics Junction and storage temperatures DC power dissipation Sol...

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1N938 : .

1N938 : 1N935(A)(B)(UR)-1N935(A)(B)(UR) High-reliability discrete products and engineering services since 1977 TEMPERATURE COMPENSATED ZENER REFERENCE DIODES FEATURES  Available as High Reliability, JANTX level by adding “-HR” suffix.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.  Available as surface mount by adding “UR” suffix. MAXIMUM RATINGS Characteristics Junction and storage temperatures DC power dissipation Solder temperatures Values -65 to +175°C 500mW @ TL = 25°C and maximum current IZM of 50 mA. For optimum voltage temperature stability, IZ = 7.5mA (less than 75 mW in dissipated power) 260°C for 10 s (maximum) ELECTRICAL CHARACTERISTICS (T.

1N938 : • 1N935B-1, 1N937B-1 AND 1N938B-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156 • 9.0 VOLT NOMINAL ZENER VOLTAGE • TEMPERATURE COMPENSATED ZENER REFERENCE DIODES • METALLURGICALLY BONDED 1N935 thru 1N938B and 1N935B-1 thru 1N938B-1 MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C REVERSE LEAKAGE CURRENT lR = 10µ A @ 25°C & VR = 6 Vdc ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. JEDEC TYPE NUMBER ZENER VOLTAGE vz @ I ZT ZENER TEST CURRENT I ZT MAXIMUM ZENER IMPEDANCE (Note 1) Z ZT VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY ∆V ZT .

1N938 : The popular 1N935 thru 1N940B series of Zero-TC Reference Diodes provides a selection of 9.0 V nominal voltages and temperature coefficients to as low as 0.0002%/oC for minimal voltage change with temperature when operated at 7.5 mA. These glass axial-leaded DO-7 reference diodes are also available in JAN, JANTX, and JANTXV military qualifications. For commercial applications it is also available as RoHS Compliant with an e3 suffix (not applicable to military). Microsemi also offers numerous other Zener Reference Diode products for a variety of other voltages from 6.2 V to 200 V. APPEARANCE DO-7 (DO-204AA) IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.micros.

1N938-1 : The popular 1N935B-1 through 1N938B-1 series of Zero-TC (Temperature Compensated) reference diodes provides a selection of 9.0 V nominal voltages and temperature coefficients to as low as 0.001 %/oC for minimal voltage change with temperature when operated at 7.5 mA. These glass axial-leaded DO-35 reference diodes are also available in JAN, JANTX, JANTXV and JANS military qualifications. For commercial applications it is also available as RoHS compliant. Qualified Levels: JAN, JANTX, JANTXV and JANS Important: For the latest information, visit our website http://www.microsemi.com. FEATURES • JEDEC registered 1N935 through 1N938 number series. • Standard reference voltage of 9.0V +/- 5%. •.

1N938A : 1N935(A)(B)(UR)-1N935(A)(B)(UR) High-reliability discrete products and engineering services since 1977 TEMPERATURE COMPENSATED ZENER REFERENCE DIODES FEATURES  Available as High Reliability, JANTX level by adding “-HR” suffix.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.  Available as surface mount by adding “UR” suffix. MAXIMUM RATINGS Characteristics Junction and storage temperatures DC power dissipation Solder temperatures Values -65 to +175°C 500mW @ TL = 25°C and maximum current IZM of 50 mA. For optimum voltage temperature stability, IZ = 7.5mA (less than 75 mW in dissipated power) 260°C for 10 s (maximum) ELECTRICAL CHARACTERISTICS (T.

1N938A : • 1N935B-1, 1N937B-1 AND 1N938B-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156 • 9.0 VOLT NOMINAL ZENER VOLTAGE • TEMPERATURE COMPENSATED ZENER REFERENCE DIODES • METALLURGICALLY BONDED 1N935 thru 1N938B and 1N935B-1 thru 1N938B-1 MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C REVERSE LEAKAGE CURRENT lR = 10µ A @ 25°C & VR = 6 Vdc ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. JEDEC TYPE NUMBER ZENER VOLTAGE vz @ I ZT ZENER TEST CURRENT I ZT MAXIMUM ZENER IMPEDANCE (Note 1) Z ZT VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY ∆V ZT .

1N938A : The popular 1N935 thru 1N940B series of Zero-TC Reference Diodes provides a selection of 9.0 V nominal voltages and temperature coefficients to as low as 0.0002%/oC for minimal voltage change with temperature when operated at 7.5 mA. These glass axial-leaded DO-7 reference diodes are also available in JAN, JANTX, and JANTXV military qualifications. For commercial applications it is also available as RoHS Compliant with an e3 suffix (not applicable to military). Microsemi also offers numerous other Zener Reference Diode products for a variety of other voltages from 6.2 V to 200 V. APPEARANCE DO-7 (DO-204AA) IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.micros.

1N938A : .

1N938A-1 : The popular 1N935B-1 through 1N938B-1 series of Zero-TC (Temperature Compensated) reference diodes provides a selection of 9.0 V nominal voltages and temperature coefficients to as low as 0.001 %/oC for minimal voltage change with temperature when operated at 7.5 mA. These glass axial-leaded DO-35 reference diodes are also available in JAN, JANTX, JANTXV and JANS military qualifications. For commercial applications it is also available as RoHS compliant. Qualified Levels: JAN, JANTX, JANTXV and JANS Important: For the latest information, visit our website http://www.microsemi.com. FEATURES • JEDEC registered 1N935 through 1N938 number series. • Standard reference voltage of 9.0V +/- 5%. •.

1N938B : • 1N935B-1, 1N937B-1 AND 1N938B-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156 • 9.0 VOLT NOMINAL ZENER VOLTAGE • TEMPERATURE COMPENSATED ZENER REFERENCE DIODES • METALLURGICALLY BONDED 1N935 thru 1N938B and 1N935B-1 thru 1N938B-1 MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C REVERSE LEAKAGE CURRENT lR = 10µ A @ 25°C & VR = 6 Vdc ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. JEDEC TYPE NUMBER ZENER VOLTAGE vz @ I ZT ZENER TEST CURRENT I ZT MAXIMUM ZENER IMPEDANCE (Note 1) Z ZT VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY ∆V ZT .

1N938B : The popular 1N935 thru 1N940B series of Zero-TC Reference Diodes provides a selection of 9.0 V nominal voltages and temperature coefficients to as low as 0.0002%/oC for minimal voltage change with temperature when operated at 7.5 mA. These glass axial-leaded DO-7 reference diodes are also available in JAN, JANTX, and JANTXV military qualifications. For commercial applications it is also available as RoHS Compliant with an e3 suffix (not applicable to military). Microsemi also offers numerous other Zener Reference Diode products for a variety of other voltages from 6.2 V to 200 V. APPEARANCE DO-7 (DO-204AA) IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.micros.

1N938B : .

1N938B-1 : The popular 1N935B-1 through 1N938B-1 series of Zero-TC (Temperature Compensated) reference diodes provides a selection of 9.0 V nominal voltages and temperature coefficients to as low as 0.001 %/oC for minimal voltage change with temperature when operated at 7.5 mA. These glass axial-leaded DO-35 reference diodes are also available in JAN, JANTX, JANTXV and JANS military qualifications. For commercial applications it is also available as RoHS compliant. Qualified Levels: JAN, JANTX, JANTXV and JANS Important: For the latest information, visit our website http://www.microsemi.com. FEATURES • JEDEC registered 1N935 through 1N938 number series. • Standard reference voltage of 9.0V +/- 5%. •.

1N938BUR-1 : • 1N935BUR-1, 1N937BUR-1 and 1N938BUR-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156 • TEMPERATURE COMPENSATED ZENER REFERENCE DIODES • LEADLESS PACKAGE FOR SURFACE MOUNT • 9.0 VOLT NOMINAL ZENER VOLTAGE • METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION 1N935BUR-1 thru 1N938BUR-1 and CDLL935 thru CDLL938B MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C REVERSE LEAKAGE CURRENT l R = 10 µA @ 25°C & VR = 6 Vdc ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. DIM D F G G1 S CDI TYPE NUMBER ZENER VOLTAGE VZ@ I ZT ZENER TEST CURRENT I ZT MA.

1N938BUR-1 : • 1N935BUR-1, 1N937BUR-1 and 1N938BUR-1 AVAILABLE IN JAN, JANTX, JANTXV AND JANS PER MIL-PRF-19500/156 • TEMPERATURE COMPENSATED ZENER REFERENCE DIODES • LEADLESS PACKAGE FOR SURFACE MOUNT • 9.0 VOLT NOMINAL ZENER VOLTAGE • METALLURGICALLY BONDED, DOUBLE PLUG CONSTRUCTION 1N935BUR-1 thru 1N938BUR-1 and CDLL935 thru CDLL938B MAXIMUM RATINGS Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C REVERSE LEAKAGE CURRENT l R = 10 µA @ 25°C & VR = 6 Vdc ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified. DIM D F G G1 S CDI TYPE NUMBER ZENER VOLTAGE VZ@ I ZT ZENER TEST CURRENT I ZT MA.




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