New, old stock lLot of 3 National Semiconductor Corp JM38510/10707BYA VR Pos 12V  Never used Items ship as shown in photos, not in original factory packaging. Voltage regulator, linear. Polarity: positive. Adjustment range: 12V, fixed. Maximum current: 1Amp. Power dissipation: 3.6 watt. Operating temperature range: -55 Deg C to +125 Deg C. Military. Cross: 7812K or LM140K-12. 

Alternative Part Number LM140K-12

MRC Parameter Characteristics

ADAQ Body Length 1.439 inches minimum and 1.573 inches maximum

ADAT Body Width 0.990 inches minimum and 1.050 inches maximum

ADAU Body Height 0.250 inches minimum and 0.450 inches maximum

AEHX Maximum Power Dissipation Rating 3.6 watts

AFGA Operating Temp Range -55.0/+125.0 deg celsius

AFJQ Storage Temp Range -65.0/+150.0 deg celsius

CBBL Features Provided Monolithic and hermetically sealed

CQSJ Inclosure Material Metal

CQSZ Inclosure Configuration CAN

CQZP Input Circuit Pattern 1 input

CSSL Design Function and Quantity 1 regulator, voltage

CWSG Terminal Surface Treatment Solder

CZEN Voltage Rating and Type per Characteristic 35.0 volts maximum power source

TEST Test Data Document 81349-MIL-M-38510 specification (includes engineering type bulletins, brochures, etc., that reflect  specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).

TTQY Terminal Type and Quantity 2 pin

ZZZK Specification/Standard Data 81349-MIL-M-38510/107 government specification