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: (R
OJL
): 42
°C/W maximum at L = .375
THERMAL IMPEDANCE: (Z
OJX
): 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)
71
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841
PHONE (978) 620-2600 FAX (781) 689-0803
WEBSITE: http://www.microsemi.com
ZENER TEST DYNAMIC KNEE TEST REVERSE TEST MAXIMUM V
Z
(REG)
MAXIMUM
VOLTAGE CURRENT IMPEDENCE IMPEDENCE CURRENT CURRENT VOLTAGE CURRENT
VV
V
Z
SURGE
TYPE ±5% I
ZT
(MAX.) (MAX.) I
ZK
(MAX.) V
R
I
ZM
V
Z
Z
ZT
@I
ZT
Z
ZK
@I
ZT
I
R
@V
R
VOLTS mA OHMS OHMS mA
µ
A VOLTS MA VOLTS AMPS
1N6485 3.3 76.0 10 400 1.0 50 1.0 433 .90 4.2
1N6486 3.6 69.0 10 400 1.0 50 1.0 397 .80 3.9
1N6487 3.9 64.0 9 400 1.0 35 1.0 366 .75 3.6
1N6488 4.3 58.0 9 400 1.0 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 49.0 7 500 1.0 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 @ 25°C, unless otherwise specified
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +200°C
Power Dissapation: 1.5W @ T
A
=+25°C
Power Derating: 10mW/°C above T
A
=+25°C
Forward Voltage: 1.0 V dc @ I
F
=200mA dc
1.5 V dc @ I
F
=1A dc
NOTE: Zener voltage is measured with the device junction in thermal equilibrium at an
ambient temperature of 25
°C ± 3°C.
