Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail:
frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
1 WATT ZENER DIODE
ZTL50-X THRU ZTL390
FEATURES
PLASTIC PACKAGE HAS UNDERWRITERS LABORATORY
FLAMMABILITY CLASSIFICATION 94V-0
LOW ZENER IMPEDANCE
EXCELLENT CLAMPING CAPABILITY
MECHANICAL DATA
CASE: MOLDED PLASTIC, DO41,
DIMENSIONS IN INCHES AND (MILLIMETERS)
TERMINALS: AXIAL LEADS, SOLDERABLE PER
MIL-STD-202, METHOD 208
POLARITY: COLOR BAND DENOTES CATHODE
WEIGHT: 0.34 GRAM
MOUNTING POSITION: ANY
1.0(25.4)
MIN
.205(5.2)
.166(4.2)
1.0(25.4)
MIN
.107(2.7)
.080(2.0)
.034(0.9)
.028(0.7)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE
SPECIFIED. STORAGE AND OPERATING TEMPERATURE RANGE -55°C TO + 150°C
ELECTRICAL CHARACTERISTICS (TA=25℃UNLESS OTHERWISE NOTED) VF=1.2V MAX, IF = 200mA FOR ALL TYPES
MAXIMUM REVERSE
MAXIMUM
ZENER
CURRENT
FORWARD
DYNAMIC IMPEDANCES
BREAKDOWN
VOLTAGE
@
＠
MEASUREMENT
VOLTAGE
＠25℃TA
25℃ T
A
TYPE
VOLTAGE AND 25℃TA
＠IF=0.2A
Vz @IZT
Z
ZT
I
ZT
I
R
V
R
V
F
MIN.
TYP.
MAX.
Ohms
mA
V
V
μA
ZTL50-X
ZTL50-Y
ZTL50-Z
ZTL200-X
ZTL200-Y
ZTL200-Z
ZTL220-Y
ZTL220-Z
ZTL240-Y
ZTL240-Z
ZTL270-X
ZTL270-Y
ZTL270-Z
ZTL300-X
ZTL300-Y
ZTL300-Z
ZTL330-X
ZTL330-Y
ZTL330-Z
ZTL390
40
45
50
180
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
351
45
50
55
190
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
390
50
55
60
200
210
220
230
240
250
260
270
280
290
300
310
320
330
340
350
429
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
5000
10000
0.025
0.025
0.025
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
36
40
45
152
160
168
176
184
216
225
234
243
252
261
270
279
288
297
306
312
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
ZTL50-X THRU ZTL39
Page: 1
RATING AND CHARACTERISTIC CURVES ZTL50-X~ZTL390
FIG. 1 - MAXIMUM CONTINUOUS POWER DISSIPATION
1
REVERSE POWER DISSIPATION,
WATTS
I
Z
, ZENER CURRENT (mA)
FIG. 2 - ZENER VOLTAGE VERSUS ZENER CURRENT
10
5
2
1
0.5
0.2
0.1
25
50
75
100
125
150
175
50
100
150
200
250
300
350
400
SINGLE PHASE
HALF WAVF
60H
Z
RESISTIVE OR
INDUCTIVE LOAD
0.375”(9.5mm) LEAD LENGTHS
0
LEAD TEMPERATURE,
℃
V
Z
, ZENER VOLTAGE (VOLTS)
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
INSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE
CURRENT, MICROAMPERES
10
4
1.0
.4
0.1
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
1.0
T
J
=25℃
0.1
T
J
=25℃
PULSE WIDTH=300us
1% DUTY CYCLE
.04
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED ZENER VOLTAGE
.01
.4
.6
.8
1.0
1.2
1.4
1.6
INSTANTANEOUS
FORWARD VOLTAGE, VOLTS
FIG. 5 - TYPICAL TEMPERATURE COEFFICIENTS
TEMPERATURE COEFFICIENT
1000
500
(mV/℃)
＠
I
ZT
200
100
50
20
10
10
20
50
100
200
400
1000
θ
VZ
V
Z
ZENER VOLTAGE
＠I
ZT
(VOLTS)
ZTL50-X THRU ZTL39
Page: 2
Microcontroller MCU
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