DESIGN DATA
CASE: Hermetically sealed, Glass "A"
Body per MIL-PRF- 19500/406
D-5A
LEAD MATERIAL: Copper clad steel
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (ROJL): 42
C/W maximum at L = .375
THERMAL IMPEDANCE: (ZOJX): 4.5
C/W maximum
POLARITY: Diode to be operated with
the banded (cathode) end positive.
MOUNTING POSITION: Any
FIGURE 1
0.060/0.085
1.52/2.16
0.125/0.160
3.18/4.06
0.800
20.32
0.028/0.032
0.71/0.81
POLARITY
BAND
(CATHODE)
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
ZENER
TEST
DYNAMIC
KNEE
TEST
REVERSE
TEST
MAXIMUM VZ
(REG)
MAXIMUM
VOLTAGE CURRENT IMPEDENCE IMPEDENCE CURRENT CURRENT VOLTAGE CURRENT
v
VZ
SURGE
TYPE
5%
IZT
(MAX.)
(MAX.)
IZK
(MAX.)
VR
IZM
VZ
ZZT@IZT
ZZK@IZT
IR@VR
VOLTS
mA
OHMS
OHMS
mA
A
VOLTS
MA
VOLTS
AMPS
1N6485
3.3
76.010 40
01.0501.0433
.90
4.2
1N6486
3.6
69.010 40
01.0501.0397
.80
3.9
1N6487
3.9
64.09
40
01.035
1.0
366
.75
3.6
1N6488
4.3
58.09
40
01.0
5.0
1.0
332
.70
3.3
1N6489
4.7
53.0
8
500
1.0
4.0
1.0
304
.60
3.0
1N6490
5.1
49.07
50
01.0
1.0
1.0
280
.50
2.7
1N6491
5.6
45.0
5
600
1.0
0.5
2.0
255
.40
2.5
1N4460
6.2
40.0
4
200
1.0
10.0
3.72
230
.35
2.3
1N4461
6.8
37.0
2.5
200
1.0
5.0
4.08
210
.30
2.1
AVAILABLE IN
JAN, JANTX, JANTXV,
AND
JANS
PER MIL-PRF-19500/406
1.5 WATT ZENER DIODES
NON CAVITY CONSTRUCTION
METALLURGICALLY BONDED
1N6485
THRU
1N6491
AND
1N4460
AND
1N4461
ELECTRICAL CHARACTERISTICS @ 25C, unless otherwise specified
MAXIMUM RATINGS
Operating Temperature: -65C to +175C
Storage Temperature: -65C to +200C
Power Dissapation: 1.5W @ TA=+25C
Power Derating: 10mW/C above TA=+25C
Forward Voltage: 1.0 V dc @ IF=200mA dc
1.5 V dc @ IF=1A dc
1N6485
thru
1N6491
and
1N4460 and 1N4461
.1
.2
.5
1
2
5
10
20
50
100
OPERATING CURRENT I
ZT
(mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
ZENER
IMPEDANCE
Z
ZT
(OHMS)
1000
500
400
300
200
100
50
40
30
20
10
5
4
3
2
1
5.1 VOLT
6.2 VOLT
3.3 VOLT
FIGURE 2
1.5
1.0
O.5
0 25
50 75
10
0125
150175
TA, AMBIENT TEMPERATURE (C)
POWER DERATING CURVE
Pd.
Power
Dissipation
(W
A
TTS)
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