1N6485US
THRU
• AVAILABLE IN JAN, JANTX, JANTXV AND JANS
PER MIL-PRF-19500/406
1N6491US
AND
1N4460US
AND
• 1.5 WATT ZENER DIODES
• NON CAVITY CONSTRUCTION
• METALLURGICALLY BONDED
1N4461US
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +200°C
Power Dissapation: 1.5W @ T =+25°C
A
Power Derating: 10mW/°C above T =+25°C
A
Forward Voltage: 1.0V dc @ I =200mA dc
F
1.5 V dc @ I =1A dc
F
MILLIMETERS
INCHES
DIM MIN
MAX
2.62
0.71
5.08
MIN MAX
0.091 0.103
0.019 0.028
0.168 0.200
0.003MIN.
D
F
G
2.31
0.48
4.28
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified
S
0.08MIN.
ZENER
TEST
DYNAMIC
KNEE
TEST
REVERSE TEST
MAXIMUM V
Z
(REG)
MAXIMUM
SURGE
VOLTAGE CURRENT IMPEDENCE IMPEDENCE CURRENT CURRENT VOLTAGE CURRENT
(NOM.)
±5%
V
V
Z
TYPE
I
(MAX.)
(MAX.)
I
(MAX.)
I @V
R
V
I
ZM
ZT
ZK
R
Z
@I
Z
@I
ZT ZT
ZK ZT
R
FIGURE 1
VOLTS
mA
OHMS
OHMS
mA
µ A
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
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
DESIGN DATA
9
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
CASE: D-5A, hermetically sealed glass
case, per MIL-PRF- 19500/406
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (R
20 °C/W maximum at L = 0
):
OJEC
THERMAL IMPEDANCE: (Z
°C/W maximum
): 4.5
OJX
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