Document
• 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)
ZENER TEST CURRENT 1ZT
MAXIMUM ZENER
IMPEDANCE (NOTE 3) ZZT@ 1ZT
1N4370A 1N4371A 1N4372A
1N746A 1N747A 1N748A
1N749A 1N750A 1N751A
1N752A 1N753A 1N754A
1N755A 1N756A 1N757A
1N758A 1N759A
VOLTS mA OHMS
2.4 20 30 2.7 20 30 3.0 20 29
3.3 20 28 3.6 20 24 3.9 20 23
4.3 20 22 4.7 20 19 5.1 20 17
5.6 20 11
6.2 20
7
6.8 20
5
7.5 20
6
8.2 20
8
9.1 20 10
10.0 12.0
20 20
17 30
MAXIMUM REVERSE CURRENT
IR@ VR
MAXIMUM ZENER
CURRENT 1ZM
µA
VOLTS
mA
100 1.0 155 60 1.0 140 30 1.0 125
5 1.0 120 3 1.0 110 2 1.0 100
2 1.0 90 5 1.5 85 5 2.0 75
5 2.5 70 5 3.5 65 2 4.0 60
2 5.0 55 1 6.0 50 1 7.0 45
1 8.0 40 1 9.0 35
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
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed glass case. DO – 35 outline.
LEAD MATERIAL: Copper clad steel. LEAD FINISH: Tin / Lead
THERMAL 250 °C/W
RESISTANCE: (ROJEC): maximum at L = .375 inch
THERMAL IMPEDANCE: °C/W maximum
(ZOJX):
35
POLARITY: Diode to be operated with the banded (cathode) end positive.
MOUNTING POSITION: Any.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
FAX (978) 689-0803
WEBSITE: http://www.microsemi.com
13
1N746 thru 1N759A
and
1N4370 thru1N4372A
INCLUDING -1 VERSIONS
Pd, Rated Power Dissipation (mW)
500 400 300 200 100
0 0
25 50 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 46
10 20 40 60 100
FIGURE 3 operating current (mA)
ZENER IMPEDANCE VS. OPERATING CURRENT
14
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