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Details, datasheet, quote on part number:JAN1N938B-1
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Datasheet text preview:
· 1N935B-1, 1N937B-1 AND 1N938B-1 AVAILABLE IN JAN, JANTX, JANTXV
AND JANS PER MIL-PRF-19500/156
· 9.0 VOLT NOMINAL ZENER VOLTAGE · TEMPERATURE COMPENSATED ZENER REFERENCE DIODES · METALLURGICALLY BONDED
1N935 thru 1N938B and 1N935B-1 thru 1N938B-1
MAXIMUM RATINGS
Operating Temperature: -65°C to +175°C Storage Temperature: -65°C to +175°C DC Power Dissipation: 500mW @ +50°C Power Derating: 4 mW / °C above +50°C
REVERSE LEAKAGE CURRENT
lR = 10µ A @ 25°C & VR = 6 Vdc
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise speci½ed.
JEDEC TYPE NUMBER
ZENER VOLTAGE vz @ I ZT
ZENER TEST CURRENT I ZT
MAXIMUM ZENER IMPEDANCE (Note 1) Z ZT
VOLTAGE TEMPERATURE TEMPERATURE RANGE STABILITY ³V ZT MAXIMUM (Note 2) mV 67 139 184 34 70 92 13 28 37 6.7 13.9 19 °C 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150 0 to + 75 -55 to +100 -55 to +150
EFFECTIVE TEMPERATURE COEFFICIENT
FIGURE 1
% / °C 0.01 0.01 0.01 0.005 0.005 0.005 0.002 0.002 0.002 0.001 0.001 0.001
VOLTS 1N935 1N935A 1N935B 1N936 1N936A 1N936B 1N937 1N937A 1N937B 1N938 1N938A 1N938B 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45 8.55--9.45
mA 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5
OHMS 20 20 20 20 20 20 20 20 20 20 20 20
DESIGN DATA
CASE: Hermetically sealed glass case. DO 35 outline. LEAD MATERIAL: Copper clad steel. LEAD FINISH: Tin / Lead POLARITY: Diode to be operated with the banded (cathode) end positive. MOUNTING POSITION: Any.
NOTE 1 Zener impedance is derived by superimposing on lZT A 60Hz rms a.c. current equal to 10% of lZT. NOTE 2 The maximum allowable change observed over the entire temperature range i.e., the diode voltage will not exceed the speci½ed mV at any discrete temperature between the established limits, per JEDEC standard No. 5.
6 LAKE STREET, LAWRENCE, MASSACHUSETTS 01841 PHONE (978) 620-2600 FAX (978) 689-0803 WEBSITE: http://www.microsemi.com
19
Pd, Rated Power Dissipation (mW)
1N935
thru INCLUDING -1 VERSIONS
1N938B
600 500 400 300 200 100 0 0 25 50 75 100 125 150 175
TL, Lead temperature (C°) 3/8" from body FIGURE 2
POWER DERATING CURVE
100 50 40 30 20 10 5 4 3 2 1 5 6 7 8 9 OPERATING CURRENT lZT (mA) 10
ZENER IMPEDANCE ZZT (OHMS)
FIGURE 3
ZENER IMPEDANCE VS. OPERATING CURRENT
+.0015 CHANGE IN TEMPERATURE COEFFICIENT ( %/°C)
+.0010
+.0005
0
-.0005
-.0010
-.0015
5
6
7 8 OPERATING CURRENT lZT (mA)
9
10
FIGURE 4
20
TYPICAL CHANGE OF TEMPERATURE COEFFICIENT WITH CHANGE IN OPERATING CURRENT
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