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产品型号1N5378B的概述

1N5378B概述 1N5378B是一款广泛应用于电子设备中的稳压二极管，属于1N5377系列，其主要功能是提供稳定的电压，以保护电路免受过电压的损害。该器件通常被用于稳压电源、过压保护电路，以及其他需要电压稳定的电子应用场景。由于其耐高压、低漏电流和稳定的温度特性，1N5378B被广泛应用于工业、消费电子及通信等领域。详细参数 1N5378B的主要电气参数包括： - 反向击穿电压 (Vz): 78V (±5%) - 功率耗散 (Pd): 1.5W (在环境温度下的最大值) - 正向电压 (Vf): 1.1V (约定电流为50mA时) - 体温范围 (TJ): -55°C 至 +150°C - 反向电流 (Ir): 5µA（在Vr=78V时） - 封装形式: DO-41封装 - 引脚配置: 典型的二极管结构，阳极和阴极引脚该器件在温度变化时显示出良好的稳压性能，适合高温环境下的应用...

产品型号1N5378B的Datasheet PDF文件预览

MOTOROLA

SEMICONDUCTOR

TECHNICAL DATA

1N5333B

through

1N5388B

5 Watt Surmetic 40

Silicon Zener Diodes

This is a complete series of 5 Watt Zener Diodes with tight limits and better operating

characteristics that reflect the superior capabilities of silicon-oxide-passivated junctions.

All this is in an axial-lead, transfer-molded plastic package that offers protection in all com-

mon environmental conditions.

5 WATT

ZENER REGULATOR

DIODES

Specification Features:

• Up to 180 Watt Surge Rating @ 8.3 ms

• Maximum Limits Guaranteed on Seven Electrical Parameters

3.3–200 VOLTS

Mechanical Characteristics:

CASE: Void-free, transfer-molded, thermosetting plastic

FINISH: All external surfaces are corrosion resistant and leads are readily solderable

POLARITY: Cathode indicated by color band. When operated in zener mode, cathode

will be positive with respect to anode

MOUNTING POSITION: Any

WEIGHT: 0.7 gram (approx)

WAFER FAB LOCATION: Phoenix, Arizona

ASSEMBLY/TEST LOCATION: Seoul, Korea

CASE 17

PLASTIC

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

DC Power Dissipation @ T = 75°C

Lead Length = 3/8″

Derate above 75°C

Watts

mW/°C

°C

Operating and Storage Junction Temperature Range

T , T

– 65 to +200

stg

L = LEAD LENGTH

L = TO HEAT SINK

L = (SEE FIGURE 5)

L = 1/8

″

L = 3/8

″

L = 1

″

100

120

140

160

180

200

T , LEAD TEMPERATURE (

Figure 1. Power Temperature Derating Curve

Motorola TVS/Zener Device Data

5 Watt Surmetic 40 Data Sheet

6-1

1N5333B through 1N5388B

ELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted, V = 1.2 Max @ I = 1 A for all types)

Nominal

Zener

Voltage

Maximum

Regulator

Current

Max Reverse

Leakage Current

Max

Surge

Current

i , Amps

(Note 3)

Max Zener Impedance

Test

Current

Max Voltage

Regulation

JEDEC

Type No.

(Note 1)

@ I

Volts

ZT ZT

Ohms

@ I

Ohms

= 1 mA

∆V , Volt

(Note 2)

(Note 5)

(Note 4)

µA

Volts

1N5333B

1N5334B

1N5335B

1N5336B

1N5337B

3.3

3.6

3.9

4.3

4.7

380

350

320

290

260

2.5

400

500

450

300

150

0.85

0.8

0.54

0.49

0.44

1440

1320

1220

1100

1010

18.7

17.6

16.4

15.3

1N5338B

1N5339B

1N5340B

1N5341B

1N5342B

5.1

5.6

6.2

6.8

240

220

200

175

1.5

400

300

200

5.2

14.4

13.4

12.7

12.4

11.5

0.39

0.25

0.19

0.1

930

865

790

765

700

0.15

1N5343B

1N5344B

1N5345B

1N5346B

1N5347B

7.5

8.2

8.7

9.1

175

150

125

1.5

200

150

125

7.5

5.7

6.2

6.6

6.9

7.6

10.7

9.5

9.2

8.6

0.15

0.2

0.22

630

580

545

520

475

1N5348B

1N5349B

1N5350B

1N5351B

1N5352B

125

100

2.5

125

100

8.4

9.1

9.9

10.6

11.5

7.5

6.7

6.3

0.25

430

395

365

340

315

1N5353B

1N5354B

1N5355B

1N5356B

1N5357B

2.5

12.2

12.9

13.7

14.4

15.2

0.3

0.35

0.4

295

280

265

250

237

0.5

5.8

5.5

5.3

5.1

1N5358B

1N5359B

1N5360B

1N5361B

1N5362B

3.5

0.5

16.7

18.2

20.6

21.2

4.7

4.4

4.3

4.1

3.9

0.45

0.55

0.6

216

198

190

176

170

100

110

120

130

0.6

1N5363B

1N5364B

1N5365B

1N5366B

1N5367B

140

150

160

170

190

0.5

22.8

25.1

27.4

29.7

32.7

3.7

3.5

3.3

3.1

2.8

0.6

0.65

0.7

158

144

132

122

110

1N5368B

1N5369B

1N5370B

1N5371B

1N5372B

210

230

280

350

400

0.5

35.8

38.8

42.6

42.5

47.1

2.7

2.5

2.3

2.2

2.1

0.8

0.9

1.2

1.35

100

1N5373B

1N5374B

1N5375B

1N5376B

1N5377B

500

620

720

760

0.5

51.7

62.2

1.5

1.6

1.8

54.5

52.5

1.9

1.8

1.7

1.6

69.2

2.2

1N5378B

1N5379B

1N5380B

1N5381B

1N5382B

100

110

120

130

140

800

0.5

1.5

1.4

1.3

1.2

2.5

47.5

39.5

36.6

125

170

190

230

1000

1150

1250

1500

83.6

91.2

98.8

106

(continued)

Devices listed in bold, italic are Motorola preferred devices.

Motorola TVS/Zener Device Data

5 Watt Surmetic 40 Data Sheet

6-2

1N5333B through 1N5388B

ELECTRICAL CHARACTERISTICS — continued (T = 25°C unless otherwise noted, V = 1.2 Max @ I = 1 A for all types)

Nominal

Zener

Voltage

Maximum

Regulator

Current

Max Reverse

Leakage Current

Max

Surge

Current

i , Amps

(Note 3)

Max Zener Impedance

Test

Current

Max Voltage

Regulation

JEDEC

Type No.

(Note 1)

@ I

Volts

ZT ZT

Ohms

@ I

Ohms

= 1 mA

∆V , Volt

(Note 2)

(Note 5)

(Note 4)

µA

Volts

1N5383B

1N5384B

1N5385B

1N5386B

1N5387B

1N5388B

150

160

170

180

190

200

330

350

380

430

450

480

1500

1650

1750

1850

0.5

114

122

129

137

144

152

1.1

0.9

31.6

29.4

26.4

23.6

NOTE 1. TOLERANCE AND TYPE NUMBER DESIGNATION

The JEDEC type numbers shown indicate a tolerance of ±5%.

NOTE 4. VOLTAGE REGULATION (∆V )

Test conditions for voltage regulation are as follows: V measurementsaremadeat10%and

then at 50% of the I max value listed in the electrical characteristics table. The test current

timedurationforeachV measurementis40± 10ms.(T =25°C+8,–2°C).Mountingcontact

NOTE 2. ZENER VOLTAGE (V ) AND IMPEDANCE (Z

& Z

)

located as specified in Note 2.

Test conditions for zener voltage and impedance are as follows: I is applied 40 ± 10 ms prior

to reading. Mounting contacts are located 3/8″ to 1/2″ from the inside edge of mounting clips

NOTE 5. MAXIMUM REGULATOR CURRENT (I

)

to the body of the diode. (T = 25°C +8, –2°C).

The maximum current shown is based on the maximum voltage of a 5% type unit, therefore,

it applies only to the B-suffix device. The actual I for any device may not exceed the value

of 5 watts divided by the actual V of the device. T = 75°C at 3/8″ maximum from the device

NOTE 3. SURGE CURRENT (i )

body.

Surge current is specified as the maximum allowable peak, non-recurrent square-wave cur-

rent with a pulse width, PW, of 8.3 ms. The data given in Figure 6 may be used to find the

maximum surge current for a square wave of any pulse width between 1ms and 1000 ms by

plotting the applicable points on logarithmic paper. Examples of this, using the 3.3 V and

NOTE 6. SPECIALS AVAILABLE INCLUDE:

200 V zeners, are shown in Figure 7. Mounting contact located as specified in Note 3. (T

25°C +8, –2°C.)

Nominal zener voltages between the voltages shown and tighter voltage tolerance such as

±1% and ±2%. Consult factory.

TEMPERATURE COEFFICIENTS

300

200

100

RANGE

–2

80 100 120 140 160 180 200 220

V , ZENER VOLTAGE @ I (VOLTS)

Figure 2. Temperature Coefficient-Range

for Units 3 to 10 Volts

Figure 3. Temperature Coefficient-Range

for Units 10 to 220 Volts

Devices listed in bold, italic are Motorola preferred devices.

Motorola TVS/Zener Device Data

5 Watt Surmetic 40 Data Sheet

6-3

1N5333B through 1N5388B

D = 0.5

D = 0.2

D = 0.1

D = 0.05

DUTY CYCLE, D = t /t

1 2

SINGLE PULSE

REPETITIVE PULSES

∆

(t)P

D = 0.01

D = 0

NOTE: BELOW 0.1 SECOND, THERMAL

NOTE: RESPONSE CURVE IS APPLICABLE

NOTE: TO ANY LEAD LENGTH (L).

∆

(t, D)P

0.5

0.2

0.00

0.01

0.05

0.1

0.5

100

t, TIME (SECONDS)

Figure 4. Typical Thermal Response

L, Lead Length = 3/8 Inch

PW = 1 ms*

PW = 8.3 ms*

0.4

*SQUARE WAVE

PW = 100 ms*

PRIMARY PATH OF

CONDUCTION IS THROUGH

THE CATHODE LEAD

0.2

0.1

PW = 1000 ms*

30 40 60 80 100

NOMINAL V (V)

200

0.2

0.4

0.6

0.8

8 10

L, LEAD LENGTH TO HEAT SINK (INCH)

Figure 5. Typical Thermal Resistance

Figure 6. Maximum Non-Repetitive Surge Current

versus Nominal Zener Voltage

(See Note 3)

T = 25°C

1000

= 25°C

= 3.3 V

100

0.5

= 200 V

PLOTTED FROM INFORMATION

GIVEN IN FIGURE 6

0.2

0.1

100

PW, PULSE WIDTH (ms)

100

V , ZENER VOLTAGE (VOLTS)

Figure 7. Peak Surge Current versus Pulse Width

(See Note 3)

Figure 8. Zener Voltage versus Zener Current

= 3.3 thru 10 Volts

Devices listed in bold, italic are Motorola preferred devices.

Motorola TVS/Zener Device Data

5 Watt Surmetic 40 Data Sheet

6-4

1N5333B through 1N5388B

1000

100

T = 25°C

100

0.1

100

120

140

160

180

200

220

V , ZENER VOLTAGE (VOLTS)

Figure 9. Zener Voltage versus Zener Current

= 11 thru 75 Volts

Figure 10. Zener Voltage versus Zener Current

= 82 thru 200 Volts

APPLICATION NOTE

Since the actual voltage available from a given zener diode

is temperature dependent, it is necessary to determine junc-

tiontemperatureunderanysetofoperatingconditionsinorder

to calculate its value. The following procedure is recom-

mended:

For worst-case design, using expected limits of I , limits of

and the extremes of T (∆T ) may be estimated. Changes

J J

in voltage, V , can then be found from:

∆V = θ

∆T

,thezenervoltagetemperaturecoefficient,isfoundfrom

Lead Temperature, T , should be determined from:

Figures 2 and 3.

T = θ

+ T

Under high power-pulse operation, the zener voltage will

vary with time and may also be affected significantly by the

zenerresistance. Forbestregulation, keepcurrentexcursions

as low as possible.

is the lead-to-ambient thermal resistance and P is the

power dissipation.

Junction Temperature, T , may be found from:

T = T + ∆T

Data of Figure 4 should not be used to compute surge capa-

bility. Surge limitations are given in Figure 6. They are lower

than would be expected by considering only junction tempera-

ture, as current crowding effects cause temperatures to be ex-

tremely high in small spots resulting in device degradation

should the limits of Figure 6 be exceeded.

∆T is the increase in junction temperature above the lead

temperature and may be found from Figure 4 for a train of

power pulses or from Figure 5 for dc power.

∆T = θ

Devices listed in bold, italic are Motorola preferred devices.

Motorola TVS/Zener Device Data

5 Watt Surmetic 40 Data Sheet

6-5

1N5333B through 1N5388B

Zener Voltage Regulator Diodes — Axial Leaded

5 Watt Surmetic 40

NOTE:

1. LEAD DIAMETER & FINISH NOT CONTROLLED

WITHIN DIM F.

INCHES

MILLIMETERS

DIM

MIN

MAX

MIN

8.38

3.30

0.94

—

MAX

8.89

3.68

1.09

1.27

31.75

0.330

0.130

0.037

—

0.350

0.145

0.043

0.050

1.250

1.000

25.40

CASE 17-02

PLASTIC

(Refer to Section 10 for Surface Mount, Thermal Data and Footprint Information.)

MULTIPLE PACKAGE QUANTITY (MPQ)

REQUIREMENTS

Package Option

Type No. Suffix

MPQ (Units)

Tape and Reel

Tape and Ammo

(Refer to Section 10 for more information on Packaging Specifications.)

Devices listed in bold, italic are Motorola preferred devices.

Motorola TVS/Zener Device Data

5 Watt Surmetic 40 Data Sheet

6-6

1N5378B相关文章

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1N5378B产品参数

型号:	1N5378B
生命周期：	Obsolete
IHS 制造商：	CRIMSON SEMICONDUCTOR INC
Reach Compliance Code：	unknown
风险等级：	5.49
Is Samacsys：	N
外壳连接：	ISOLATED
配置：	SINGLE
二极管元件材料：	SILICON
二极管类型：	ZENER DIODE
最大动态阻抗：	90 Ω
JESD-30 代码：	O-LALF-W2
元件数量：	1
端子数量：	2
最高工作温度：	200 °C
封装主体材料：	GLASS
封装形状：	ROUND
封装形式：	LONG FORM
极性：	UNIDIRECTIONAL
最大功率耗散：	5 W
认证状态：	Not Qualified
标称参考电压：	100 V
子类别：	Voltage Reference Diodes
表面贴装：	NO
技术：	ZENER
端子形式：	WIRE
端子位置：	AXIAL
最大电压容差：	5%
工作测试电流：	12 mA
Base Number Matches：	1

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产品型号1N5378B的概述

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