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SMP1340

Fast Switching Speed, Low Capacitance Plastic Packaged PIN Diodes

Alpha Industries 

Fast Switching Speed, Low Capacitance

Plastic Packaged PIN Diodes

Features

s Designed for Fast Speed Wireless Switch

Applications

s 1.0 Ω Resistance, 0.3 pF Capacitance

s Multiple Package Configurations

s Designed for High Volume Wireless

Applications

s Available in Tape and Reel Packaging

Preliminary

SMP1340 Series

Description

The SMP1340 series of plastic packaged, surface

mountable PIN diodes are designed for high volume switch

applications from 10 MHz to beyond 2 GHz. The short

carrier lifetime of typically 100 nS, combined with its thin

I region width of nominally 8 µm, results in a fast speed

RF switching PIN diode. The RF performance of the

SMP1340 series is assured by virtue of its low

capacitance (0.3 pF) and low resistance (1.0 Ω at 10 mA).

Absolute Maximum Ratings

Characteristic

Reverse Voltage (VR)

Power Dissipation @ 25°C Lead

Temperature (PD)

Storage Temperature (TST)

Operating Temperature (TOP)

ESD Human Body Model

Value

50 V

250 mW

-65°C to +150°C

-65°C to +150°C

Class 1B

Single

Common

Anode

Marking: PS1

Marking: PS9

SOT-23

SOT-23

o SMP1340-001

o SMP1340-003

LS = 1.5 nH

LS = 1.5 nH

o Available through distribution.

Common

Cathode

Marking: PS3

SOT-23

o SMP1340-004

LS = 1.5 nH

Series

Pair

Marking: PS2

SOT-23

o SMP1340-005

LS = 1.5 nH

Single

SOD-323

o SMP1340-011

LS = 1.5 nH

Electrical Specifications at 25°C

Parameter

Reverse Current (IR)

Capacitance (CT)

Resistance (RS)

Resistance (RS)

Resistance (RS)

Forward Voltage (VF)

Carrier Lifetime (TI)

I Region Width

Condition

VR = 50 V

F = 1 MHz, V = 5 V

F = 100 MHz, I = 1 mA

F = 100 MHz, I = 5 mA

F = 100 MHz, I = 10 mA

IF = 10 mA

IF = 10 mA

Typ.

0.21

1.7

1.0

0.85

0.85

100

0.80

Max.

10

0.30

2.0

1.2

Single

SC-79

o SMP1340-079

LS = 0.7 nH

Unit

µA

pF

Ω

Ω

Ω

V

nS

µm

Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com

1

Specifications subject to change without notice. 6/99A

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