MICROSEMI 1N4625

• 1N4614-1THRU 1N4627-1 AVAILABLE IN JAN,
PER MIL-PRF-19500/435
JANTX, JANTXV AND JANS
• LOW CURRENT OPERATION AT 250 µA
1N4614 thru 1N4627
and
1N4614-1 thru 1N4627-1
• LOW REVERSE LEAKAGE AND LOW NOISE CHARACTERISTICS
• DOUBLE PLUG CONSTRUCTION
• METALLURGICALLY BONDED
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
DC Power Dissipation: 500mW @ +50°C
Power Derating: 4 mW / °C above +50°C
Forward Voltage @ 200 mA: 1.1 Volts maximum
* ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise speci½ed.
JEDEC
TYPE
NUMBER
NOMINAL
ZENER
VOLTAGE
V @I
Z
ZT
ZENER
TEST
CURRENT
I
ZT
(Note 1)
MAXIMUM
ZENER
IMPEDANCE
Z
@I
ZT
ZT
MAXIMUM REVERSE
LEAKAGE CURRENT
1
R
@V
R
MAXIMUM
DC ZENER
CURRENT
lZM
MAXIMUM
NOISE
DENSITY
ND
(Note 2)
VOLTS
µA
OHMS
µA
VOLTS
mA
1N4614
1N4615
1.8
2.0
250
250
1200
1250
7.5
5.0
1
1
120
110
µ V/
1
1
1N4616
1N4617
2.2
2.4
250
250
1300
1400
4.0
2.0
1
1
100
95
1
1
1N4618
1N4619
2.7
3.0
250
250
1500
1600
1.0
0.8
1
1
90
87
1
1
1N4620
1N4621
3.3
3.6
250
250
1650
1700
7.5
7.5
1.5
2
85
83
1
1
1N4622
1N4623
3.9
4.3
250
250
1650
1600
5.0
4.0
2
2
80
77
1
1
1N4624
1N4625
4.7
5.1
250
250
1550
1500
10.0
10.0
3
3
75
70
1
2
1N4626
1N4627
5.6
6.2
250
250
1400
1200
10.0
10.0
4
5
65
61
4
5
Hz
* JEDEC Registered Data.
NOTE 1
NOTE 2
FIGURE 1
DESIGN DATA
CASE: Hermetically sealed glass
case. DO – 35 outline.
LEAD MATERIAL: Copper clad steel.
LEAD FINISH: Tin / Lead
The JEDEC type numbers shown above have a Zener voltage tolerance of + 5% of
the nominal Zener voltage. Vz is measured with the device junction in thermal equilibrium at an ambient themperature of 25°C + 3°C. A “C” suffix denotes a + 2%
tolerance and a “D” suffix denotes a + 1% tolerance.
Zener impedance is derived by superimposing on l ZT A 60Hz rms a.c. current equal
to 10% of l ZT (25 µ A a.c.)
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.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
FAX (978) 689-0803
WEBSITE: http://www.microsemi.com
45
1N4614
thru 1N4627
INCLUDING -1 VERSIONS
0JL, Junction to Lead
Thermal Resistance (°C/W)
400
300
200
100
0
0.2
0.4
0.6
0.8
1.0
L, lead Length to Heat Sink (iNCHES)
FIGURE 2
TYPICAL THERMAL RESISTANCE
1000
500
400
300
3.3 VOLT
ZENER IMPEDANCE ZZT (OHMS)
200
100
5.1 VOLT
50
40
30
20
10
5
4
6.2 VOLT
3
2
1
.1
.2
.5
1
2
5
10
20
50
100
OPERATING CURRENT IZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
46