CONSTRUCTION. 1N749A Datasheet


1N749A Datasheet PDF


1N749A


DOUBLE PLUG CONSTRUCTION
• 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: (ROJE...



1N749A
• 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 20
12.0 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 RESISTANCE: (ROJEC):
250 ˚C/W maximum at L = .375 inch
THERMAL IMPEDANCE: (ZOJX): 35
˚C/W maximum
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: mail@cdi-diodes.com

1N749A
1N746 thru 1N759A
and
1N4370 thru1N4372A
INCLUDING -1 VERSIONS
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
20
10
5
2
1
46
10 20 40 60 100
FIGURE 3
operating current (mA)
ZENER IMPEDANCE VS. OPERATING CURRENT

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