Field-effect current regulator diodes are circuit elements that provide a current
essentially independent of voltage. These diodes are especially designed for maximum
impedance over the operating range. These devices may be used in parallel to obtain
higher currents.
Manufacturing Locations:
WAFER FAB:
Phoenix, Arizona
ASSEMBLY/TEST:
Phoenix, Arizona
1N5283
through
1N5314
CURRENT
REGULATOR
DIODES
CASE 51-02
MAXIMUM RATINGS
Rating
Peak Operating Voltage
(TJ = –55°C to +200°C)
Steady State Power Dissipation
@ TL = 75°C
Derate above TL = 75°C
Lead Length = 3/8″
(Forward or Reverse Bias)
Operating and Storage Junction
Temperature Range
Symbol
POV
PD
600
4.8
mW
mW/°C
Value
100
Unit
Volts
TJ, Tstg
–55 to +200
°C
1.5 Watt DC Power Data Sheet
9-2
Motorola TVS/Zener Device Data
1N5283 through 1N5314
ELECTRICAL CHARACTERISTICS
(TA = 25°C unless otherwise noted)
Regulator Current
IP (mA) @ VT = 25 V
Type No.
Nom
0.22
0.24
0.27
0.30
0.33
0.39
0.43
0.47
0.56
0.62
0.68
0.75
0.82
0.91
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.80
2.00
2.20
2.40
2.70
3.00
3.30
3.60
3.90
4.30
4.70
Min
0.198
0.216
0.243
0.270
0.297
0.351
0.387
0.423
0.504
0.558
0.612
0.675
0.738
0.819
0.900
0.990
1.08
1.17
1.26
1.35
1.44
1.62
1.80
1.98
2.16
2.43
2.70
2.97
3.24
3.51
3.87
4.23
Max
0.242
0.264
0.297
0.330
0.363
0.429
0.473
0.517
0.616
0.682
0.748
0.825
0.902
1.001
1.100
1.21
1.32
1.43
1.54
1.65
1.76
1.98
2.20
2.42
2.64
2.97
3.30
3.63
3.96
4.29
4.73
5.17
Minimum
Dynamic
Impedance
@ VT = 25 V
ZT (MΩ)
25.0
19.0
14.0
9.00
6.60
4.10
3.30
2.70
1.90
1.55
1.35
1.15
1.00
0.880
0.800
0.700
0.640
0.580
0.540
0.510
0.475
0.420
0.395
0.370
0.345
0.320
0.300
0.280
0.265
0.255
0.245
0.235
Minimum
Knee
Impedance
@ VK = 6.0 V
ZK (MΩ)
2.75
2.35
1.95
1.60
1.35
1.00
0.870
0.750
0.560
0.470
0.400
0.335
0.290
0.240
0.205
0.180
0.155
0.135
0.115
0.105
0.092
0.074
0.061
0.052
0.044
0.035
0.029
0.024
0.020
0.017
0.014
0.012
Maximum
Limiting
Voltage
@ IL = 0.8 IP (min)
VL (Volts)
1.00
1.00
1.00
1.00
1.00
1.05
1.05
1.05
1.10
1.13
1.15
1.20
1.25
1.29
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.75
1.85
1.95
2.00
2.15
2.25
2.35
2.50
2.60
2.75
2.90
1N5283
1N5284
1N5285
1N5286
1N5287
1N5288
1N5289
1N5290
1N5291
1N5292
1N5293
1N5294
1N5295
1N5296
1N5297
1N5298
1N5299
1N5300
1N5301
1N5302
1N5303
1N5304
1N5305
1N5306
1N5307
1N5308
1N5309
1N5310
1N5311
1N5312
1N5313
1N5314
Devices listed in bold, italic are Motorola preferred devices.
Motorola TVS/Zener Device Data
1.5 Watt DC Power Data Sheet
9-3
1N5283 through 1N5314
5
4
ID, DIODE CURRENT (mA)
3
2
1
0
–20
–40
–60
–80
–100
–2
REVERSE
ZK @ VK
FORWARD
IP & ZT @ VT
SYMBOLS AND DEFINITIONS
ID — Diode Current.
IL — Limiting Current: 80% of IP minimum used to determine
Limiting voltage, VL.
IP — Pinch-off Current: Regulator current at specified Test
Voltage, VT.
POV — Peak Operating Voltage: Maximum voltage to be applied
to device.
θ
l — Current Temperature Coefficient.
VAK — Anode-to-cathode Voltage.
VK — Knee Impedance Test Voltage: Specified voltage used to
establish Knee Impedance, ZK.
VL — Limiting Voltage: Measured at IL, VL, together with Knee
AC Impedance, ZK, indicates the Knee characteristics of
the device.
VT — Test Voltage: Voltage at which IP and ZT are specified.
ZK — Knee AC Impedance at Test Voltage: To test for ZK, a 90
Hz signal VK with RMS value equal to 10% of test voltage,
VK, is superimposed on VK:
ZK = VK/iK
where iK is the resultant ac current due to VK.
To provide the most constant current from the diode, ZK
should be as high as possible; therefore, a minimum value
of ZK is specified.
ZT — AC Impedance at Test Voltage: Specified as a minimum
value. To test for ZT, a 90 Hz signal with RMS value equal
to 10% of Test Voltage VT, is superimposed on VT.
VL @ IL
POV
+
REVERSE
–1
0
20
FORWARD
40
60
80
ANODE
100
–
CATHODE
120
140
160
VAK, ANODE-CATHODE VOLTAGE (VOLTS)
Figure 1. Typical Current Regulator
Characteristics
θ
JL , JUNCTION-TO-LEAD THERMAL RESISTANCE (
°
C/W)
300
250
APPLICATION NOTE
200
POINT OF LEAD TEMPERATURE
MEASUREMENT
As the current available from the diode is temperature dependent,
it is necessary to determine junction temperature, TJ, under specific
operating conditions to calculate the value of the diode current. The
following procedure is recommended:
Lead Temperature, TL, shall be determined from:
TL =
θ
LA PD + TA
where
θ
LA is lead-to-ambient thermal resistance
and
PD is power dissipation.
θ
LA is generally 30–40°C/W for the various clips and tie points
in common use, and for printed circuit-board wiring.
Junction Temperature, TJ, shall be calculated from:
TJ = TL +
θ
JL PD
where
θ
JL is taken from Figure 2.
For circuit design limits of VAK, limits of PD may be estimated and
extremes of TJ may be computed. Using the information on Figures
4 and 5, changes in current may be found. To improve current
regulation, keep VAK low to reduce PD and keep the leads short,
especially the cathode lead, to reduce
θ
JL.
150
100
L
L
(MOST HEAT CONDUCTION IS
THROUGH THE CATHODE LEAD)
0
0.2
0.4
0.6
0.8
1
50
L, LEAD LENGTH (INCHES)
Figure 2. Typical Thermal Resistance
ID, FORWARD DIODE CURRENT (mA)
10
7
5
3
2
1
0.7
0.5
TJ = 25°C
POV = 100 V
(DATA OBTAINED
FROM PULSE TESTS)
1N5313
1N5309
1N5305
1N5298
1N5290
0.3
0.2
0.1
0.1
0.2
0.3
0.5
0.7
1
2
3
5
7
10
20
30
50
70
100
VAK, ANODE-CATHODE VOLTAGE (VOLTS)
Figure 3. Typical Forward Characteristics
1.5 Watt DC Power Data Sheet
9-4
Motorola TVS/Zener Device Data
1N5283 through 1N5314
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0.2
RANGE*
TYPICAL
θ
I , TEMPERATURE COEFFICIENT (%/
°
C)
TJ = +25°C TO +150°C
VAK = 25 V
θ
∆I
P = I IP(nom)
∆T
J (°C)
100
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
IP, NOMINAL PINCH-OFF CURRENT (mA)
Figure 4. Temperature Coefficient
1
θ
I , TEMPERATURE COEFFICIENT (%/
°
C)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
RANGE*
TYPICAL
TJ = –55°C TO +25°C
VAK = 25 V
θ
∆I
P = I IP(nom)
∆T
J (°C)
100
IP, NOMINAL PINCH-OFF CURRENT (mA)
Figure 5. Temperature Coefficient
0.1
0
∆
IP , CURRENT CHANGE (mA)
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1
–1.1
0.2
TYPICAL
RANGE*
TA = 25°C
∆V
AK = 40 V, VAK VARIED FROM 10 V TO 50 V
∆I
P = IP @ 50 V – IP @ 10 V
1/2″ LEAD LENGTH,
θ
LA = 30°C/W
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
2
3
4
5
IP, NOMINAL PINCH-OFF CURRENT (mA)
*90% of the units will be in the ranges shown.
Figure 6. Current Regulation Factor
Devices listed in bold, italic are Motorola preferred devices.
Motorola TVS/Zener Device Data
1.5 Watt DC Power Data Sheet
9-5
1N5283 through 1N5314
Current Regulator Diodes — Axial Leaded
1.5 Watt DC Power
B
NOTES:
1. PACKAGE CONTOUR OPTIONAL WITHIN DIA B
AND LENGTH A. HEAT SLUGS, IF ANY, SHALL BE
INCLUDED WITHIN THIS CYLINDER, BUT SHALL
NOT BE SUBJECT TO THE MIN LIMIT OF DIA B.
2. LEAD DIA NOT CONTROLLED IN ZONES F, TO
ALLOW FOR FLASH, LEAD FINISH BUILDUP,
AND MINOR IRREGULARITIES OTHER THAN
HEAT SLUGS.
MILLIMETERS
MIN
MAX
5.84
7.62
2.16
2.72
0.46
0.56
—
1.27
25.40 38.10
INCHES
MIN
MAX
0.230 0.300
0.085 0.107
0.018 0.022
—
0.050
1.000 1.500
D
K
F
A
F
K
CASE 51-02
DO-204AA
GLASS
(Refer to Section 10 for Surface Mount, Thermal Data and Footprint Information.)
DIM
A
B
D
F
K
All JEDEC dimensions and notes apply
MULTIPLE PACKAGE QUANTITY (MPQ)
REQUIREMENTS
Package Option
Tape and Reel
Bulk
Type No. Suffix
RL
(None)
MPQ (Units)
2.5K
500
(Refer to Section 10 for more information on Packaging Specifications.)
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,
and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different
applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does
not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in
systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of
the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such
unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless
against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
Motorola and
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
Literature Distribution Centers:
USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036.
EUROPE: Motorola Ltd.; European Literature Centre; 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England.
JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan.
ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.
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