• 1N746A-1 THRU 1N759-1 AVAILABLE IN JAN, JANTX AND JANTXV PER MIL-PRF-19500/127 • 1N4370A-1 THRU 1N4372A-1 AVAILABLE IN JAN, JANTX AND JANTXV PER MIL-PRF-19500/127 • DOUBLE PLUG CONSTRUCTION • METALLURGICALLY BONDED
1N746 thru 1N759A
and
1N746A-1 thru 1N759A-1
and
1N4370 thru 1N4372A
and
1N4370A-1 thru 1N4372A-1
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500 mW @ +50°C Power Derating: 4 mW / °C above +50°C Forward Voltage @ 200mA: 1.1 volts maximum
ELECTRICAL CHARACTERISTICS @ 25°C
JEDEC TYPE NUMBER (NOTE 1) NOMINAL ZENER VOLTAGE VZ @ 1ZT (NOTE 2) VOLTS 1N4370A 1N4371A 1N4372A 1N746A 1N747A 1N748A 1N749A 1N750A 1N751A 1N752A 1N753A 1N754A 1N755A 1N756A 1N757A 1N758A 1N759A 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10.0 12.0 mA 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 ZENER TEST CURRENT 1ZT MAXIMUM ZENER IMPEDANCE (NOTE 3) ZZT@ 1ZT OHMS 30 30 29 28 24 23 22 19 17 11 7 5 6 8 10 17 30
µA
MAXIMUM REVERSE CURRENT IR@ VR
MAXIMUM ZENER CURRENT 1 ZM
VOLTS 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.5 2.0 2.5 3.5 4.0 5.0 6.0 7.0 8.0 9.0
mA 155 140 125 120 110 100 90 85 75 70 65 60 55 50 45 40 35
100 60 30 5 3 2 2 5 5 5 5 2 2 1 1 1 1
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed glass case. DO – 35 outline. LEAD MATERIAL: Copper clad steel. LEAD FINISH: Tin / Lead THERMAL RESISTANCE: (ROJEC): 250 ˚C/W maximum at L = .375 inch THERMAL IMPEDANCE: (ZOJX): 35 ˚C/W maximum
NOTE 1 NOTE 2 NOTE 3
Zener voltage tolerance on "A" suffix is +5%. No Suffix denotes + 10% tolerance, "C" suffix denotes + 2% tollerance and "D" suffix denotes + 1% tolerance. Zener voltage is measured with the device junction in thermal equilibrium at an ambient temperature of 25°C + 3°C. Zener impedance is derived by superimposing on 1ZT A 60Hz rms a.c. current equal to 10% of 1ZT
POLARITY: Diode to be operated with the banded (cathode) end positive. MOUNTING POSITION: Any.
22 COREY STREET, MELROSE, MASSACHUSETTS 02176 PHONE (781) 665-1071 FAX (781) 665-7379 WEBSITE: http://www.cdi-diodes.com E-mail:
[email protected]
1N746
1N4370
Pd, Rated Power Dissipation (mW)
500 400 300 200 100 0 0 25 50
thru and thru INCLUDING -1 VERSIONS
1N759A
1N4372A
75
100
125
150
175
TL, Lead temperature (C°) 3/8” from body
POWER DERATING CURVE 100
50
ZENER IMPEDANCE ZZT (OHMS)
20
10
5
2
1 4 6 10 20 40 60 100 FIGURE 3 operating current (mA)
ZENER IMPEDANCE VS. OPERATING CURRENT
.