Data Sheet
Broadcom AV02-0260EN
September 15, 2017
Description
The Broadcom® ASSR-32xx Series consists of an AlGaAs
infrared light-emitting diode (LED) input stage optically
coupled to a high-voltage output detector circuit. The
detector consists of a high-speed photovoltaic diode array
and driver circuitry to switch on/off two discrete high voltage
MOSFETs. The relay turns on (contact closes) with a
minimum input current of 3 mA through the input LED. The
relay turns off (contact opens) with an input voltage of 0.8V
or less.
The single channel configurations, ASSR-3210 and
ASSR-3211, are equivalent to 1 Form A Electromechanical
Relays (EMR), and the dual channel configuration, ASSR-
3220, is equivalent to 2 Form A EMR. They are available in
4-pin SO, 6-pin DIP, 8-pin DIP and Gull Wing Surface Mount
for DIP packages. Their electrical and switching
characteristics are specified over the temperature range of
–40°C to +85°C. They are used for general purpose
switching of signals and low power AC/DC loads.
ASSR-3211 enables AC/DC and DC-only output
connections. For DC-only connection, the output current, Io,
increases to 0.4A and the on-resistance, R(ON) reduces to
2.5.
CAUTION! It is advised that normal static precautions be
taken in handling and assembly of this
component to prevent damage and/or
degradation which may be induced by ESD.
Features
Compact solid-state bidirectional signal switch
Single and dual channel normally-off Single-Pole-
Single-Throw (SPST) relay
250V output withstand voltage
0.2A or 0.4A current rating (See schematic for
ASSR-3211 connections A and B.)
Low input current: CMOS compatibility
Low on-resistance:
– 2Ω typical for DC-only
– 8Ω typical for AC/DC
High speed switching:
– 0.25 ms (TON), 0.02 ms (TOFF) typical
High transient immunity: >1 kV/μs
High input-to-output insulation voltage (safety and
regulatory approvals)
– 3750 Vrms for 1 min per UL1577
– CSA component acceptance
Applications
Telecommunication switching
Data communications
Industrial controls
Medical
Security
EMR/Reed Relay replacement
ASSR-3210, ASSR-3211, ASSR-3220
General-Purpose, Form A, Solid State Relay
(Photo MOSFET) (250V/0.2A/10Ω)