Informacion Electronica

formacion tecnica electronica1N4148
Silicon Epitaxial Planar Diode for Various Detector, Modulator, Demodulator

ADE-208-147C (Z) Rev.3 Dec. 2001 Features
• Low capacitance. (C = 4.0 pF max) • Short reverse recovery time. (trr = 4.0 ns max) • High reliability with glass seal.

Ordering Information
Type No. 1N4148 Cathode band Black Mark H48 Package Code DO-35

Outline

1

48
Cathodeband

H

2

1. Cathode 2. Anode

1N4148
Absolute Maximum Ratings
(Ta = 25°C)
Item Peak reverse voltage Reverse voltage Peak forward current Non-Repetitive peak forward surge current Average forward current Power dissipation Junction temperature Storage temperature Note: Within 1s forward surge current. Symbol VRM VR IFM IFSM * IO Pd Tj Tstg Value 100 75 450 1 150 500 200 –65 to +200Unit V V mA A mA mW °C °C

Electrical Characteristics
(Ta = 25°C)
Item Forward voltage Reverse current Capacitance Reverse recovery time Symbol VF IR C trr * Min — — — — Typ — — — — Max 1.0 25 4.0 4.0 Unit V nA pF ns Test Condition IF = 10 mA VR = 20 V VR = 0 V, f = 1 MHz IF = 10 mA, VR = 6 V, Irr = 1 mA, RL = 100 Ω

Note: Reverse recovery time test circuit

DC Supply

0.1µF

3kΩSampling Rin = 50Ω Oscilloscope
Trigger

Ro = 50Ω Pulse Generator

Rev.3, Dec. 2001, page 2 of 6

1N4148
Main Characteristic
10-1 10-4 Ta = 125°C 10-5 10-2
125 °C Ta = 75°C Ta = 25°C Ta = -25°C

Reverse current IR (A)

Forward current IF (A)

10-6

Ta = 75°C

Ta =

10-7 Ta = 25°C 10-8

10

-3

10-4

0

0.2 0.4 0.6 0.8 1.0 Forward voltage VF (V)

1.2

10-9

0

2040 60 80 Reverse voltage VR (V)

100

Fig.1 Forward current vs. Forward voltage

Fig.2 Reverse current vs. Reverse voltage

f = 1MHz

10
Capacitance C (pF)

1.0

10-1 1.0

10 Reverse voltage VR (V)

102

Fig.3 Capacitance vs. Reverse voltage

Rev.3, Dec. 2001, page 3 of 6

1N4148
Ammo Pack Taping (TA TYPE)
b/2 b/2 Unit: mm White tape a b 64.0 ± 1.5 52.4 ± 1.2 6.0 ± 0.5± 0.5 3.2 min 5.00 ± 0.38 ± 1.0 1.0max 1.0max

Colored tape

g

f

c d

h

e f d d e L1 b a L2 c | L1–L2 | g h

JEITA CODE TA21 (R)

Taping appearance
Box

QCountry of Origin Japan→JAPAN (Q'→MADE IN JAPAN) Malaysia→MALAYSIA (Q'→MALAYSIA) RLot No.. SQuantity TProduct Name UManagement No. (Year,Month and Weekly code) U JAPAN INT.C:1N4148TA T Q W/C:9A3 LOT:G90109G R 1N4148TA 5000PCSG90109G QTY:5000 S MADE IN JAPAN HITACHI (80) Q' ( ):Reference only.
(255) Unit: mm

T S R

Rev.3, Dec. 2001, page 4 of 6

(75)

1N4148
Package Dimensions
As of July, 2001
Unit: mm

26.0 Min

4.2 Max

26.0 Min

φ 0.5

φ 2.0
Hitachi Code JEDEC JEITA Mass (reference value)

DO-35 Conforms Conforms 0.13 g

Rev.3, Dec. 2001, page 5 of 6

1N4148
Disclaimer
1. Hitachineither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document. 2.Products and product specifications may be subject to change without notice. Confirm that you have received the latest product standards or specifications before final design, purchase or use. 3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However, contact Hitachi’s sales office before using the product in an application that demands especially highquality and reliability or where its failure or malfunction may directly threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment or medical equipment for life support. 4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly for maximum rating,...