NOMINAL TEST
ZENER CURRENT ZZK(1) SURGE
TYPE VOLTAGE IZT @ REGULATION CURRENT
VZ@IZT ZZ@IZT IZK=5mA
▲
VZIRVRIZSM
±5%
VOLTS mA OHMS OHMS VOLTS
µ
A VOLTS AMPS
1N6632US 3.3 380 3.0 500 0.90 300 1.0 20.0
1N6633US 3.6 350 2.5 500 0.80 250 1.0 18.7
1N6634US 3.9 320 2.0 500 0.75 175 1.0 17.6
1N6635US 4.3 290 2.0 500 0.70 25 1.0 16.4
1N6636US 4.7 260 2.0 450 0.60 20 1.0 15.3
1N6637US 5.1 240 1.5 400 0.50 5 1.0 14.4
1N5968US 5.6 220 1.0 400 0.4 5000 4.28 20
1N5969US 6.2 220 1.0 1000 0.5 1000 4.74 20
DESIGN DATA
CASE: D-5B, Hermetically sealed glass
case, PER MIL-PRF 19500/356
LEAD FINISH: Tin / Lead
THERMAL RESISTANCE: (ROJEC):
10 ˚C/W maximum at L = 0
THERMAL IMPEDANCE: (ZOJX): 3
˚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.
MILLIMETERS INCHES
DIM MIN MAX MIN MAX
D3.48 3.76 .137 .148
F0.48 0.71 0.019 0.028
G5.08 5.72 .200 .225
S0.03MIN. .001MIN.
FIGURE 1
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
• AVAILABLE IN JAN, JANTX, JANTXV, AND JANS
PER MIL-PRF-19500/356
• 5 WATT ZENER DIODES
• NON CAVITY CONSTRUCTION
• METALLURGICALLY BONDED
1N6632US
THRU
1N6637US
AND
1N5968US
AND
1N5969US
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C
Storage Temperature: -65°C to +175°C
Power Dissapation: 5W @ TEC=+125°C
Power Derating: 100mW/°C above TEC=+125°C
Forward Voltage: 1.5 V dc @ IF=1A dc
NOTE 1 IZK=1.0 mA for 1N5969
MAXIMUM ZENER IMPEDANCE
MAXIMUM REVERSE
LEAKAGE CURRENT
VOLTAGE
IN6632US thru IN6637US and IN5968US and IN5969US
100 200 300 400 500
Operating Current IZT (mA)
FIGURE 3
Zener Impedance vs. Operating Current
Zener Impedance ZZT (ohms)
100.0
10.0
1.0
0.1
0.01
6636
5968
0 25 50 75 100 125 150 175
TEC, End cap temperature (ºC)
POWER DERATING CURVE
5
4
3
2
1
0
Pd, Rated Power
Dissipation (W)
FIGURE 2
