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
▲
VZSURGE
TYPE ±5% IZT (MAX.) (MAX.) IZK (MAX.) VRIZM
VZZZT@IZT ZZK@IZT IR@VR
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 @ TA=+25°C
Power Derating: 10mW/°C above TA=+25°C
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 IZT (mA)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
ZENER IMPEDANCE ZZT (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 75 100 125 150 175
TA, AMBIENT TEMPERATURE (°C)
POWER DERATING CURVE
Pd. Power Dissipation
(WATTS)
