Microsemi JANTXV1N6487US 1.5 watt zener diode Datasheet

• AVAILABLE IN JAN, JANTX, JANTXV AND
PER MIL-PRF-19500/406
1N6485US
THRU
1N6491US
AND
1N4460US
AND
1N4461US
JANS
• 1.5 WATT ZENER DIODES
• NON CAVITY CONSTRUCTION
• METALLURGICALLY BONDED
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +200°C
Power Dissapation: 1.5W @ TA=+25°C
Power Derating: 10mW/°C above TA=+25°C
Forward Voltage: 1.0V dc @ IF=200mA dc
1.5 V dc @ IF=1A dc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified
TYPE
ZENER
TEST
DYNAMIC
KNEE
TEST
REVERSE TEST
MAXIMUM VZ (REG) MAXIMUM
VOLTAGE CURRENT IMPEDENCE IMPEDENCE CURRENT CURRENT VOLTAGE CURRENT V VZ
SURGE
(NOM.)
IZT
(MAX.)
(MAX.)
IZK
(MAX.)
VR
IZM
±5%
ZZT@IZT
ZZK@IZT
IR@VR
µA
VOLTS
mA
OHMS
OHMS
mA
VOLTS
MA
VOLTS
AMPS
1N6485US
1N6486US
1N6487US
1N6488US
3.3
3.6
3.9
4.3
76.0
69.0
64.0
58.0
10
10
9
9
400
400
400
400
1.0
1.0
1.0
1.0
50
50
35
5.0
1.0
1.0
1.0
1.0
433
397
366
332
.90
.80
.75
.70
4.2
3.9
3.6
3.3
1N6489US
1N6490US
1N6491US
1N4460US
1N4461US
4.7
5.1
5.6
6.2
6.8
53.0
49.0
45.0
40.0
37.0
8
7
5
4
2.5
500
500
600
200
200
1.0
1.0
1.0
1.0
1.0
4.0
1.0
0.5
10.0
5.0
1.0
1.0
2.0
3.72
4.08
304
280
255
230
210
.60
.50
.40
.35
.30
3.0
2.7
2.5
2.3
2.1
DIM
D
F
G
S
MILLIMETERS
MIN
MAX
2.31
2.62
0.48
0.71
4.28
5.08
0.08MIN.
INCHES
MIN MAX
0.091 0.103
0.019 0.028
0.168 0.200
0.003MIN.
FIGURE 1
DESIGN DATA
CASE: D-5A, hermetically sealed glass
case, per MIL-PRF- 19500/406
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (ROJEC):
20 °C/W maximum at L = 0
THERMAL IMPEDANCE: (ZOJX): 4.5
°C/W maximum
POLARITY: Diode to be operated with
the banded (cathode) end positive.
MOUNTING SURFACE SELECTION:
The Axial Coefficient of Expansion
(COE) of this device is approximately
+ 4PPM / °C. The COE of the Mounting
Surface System should be selected to
provide a suitable match with this
device.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600
FAX (781) 689-0803
WEBSITE: http://www.microsemi.com
153
1N6485US
1N6491US and 1N4460US
and 1N4461US
thru
Pd. Power Dissipation
(WATTS)
FIGURE 2
1.5
1.0
O.5
0
25
50
75
100
125
150
TA, AMBIENT TEMPERATURE (°C)
175
POWER DERATING CURVE
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
154
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