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Broadcom Limited ASSR-1411-001E
- Part No.:
- ASSR-1411-001E
- Manufacturer:
- Broadcom Limited
- Category:
- Solid State Relays (SSR)
- Package:
- 6-DIP (0.300", 7.62mm)
- Datasheet:
-
ASSR-1411-001E.pdf
- Description:
- SSR RELAY SPST-NO 600MA 0-60V
- Quantity:
- Payment:
- Shipping:
Inventory:1,644
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Product details
Overview
ASSR-1411-001E from Broadcom is a single-channel, normally-off solid-state relay (Photo MOSFET) with optically isolated AlGaAs LED input and dual high-voltage MOSFET output stage. It delivers 60 V output withstand voltage, 0.6 A AC/DC current rating (Connection A), 1.2 A DC-only current rating (Connection B), and typical on-resistance of 0.7 Ω (AC/DC) or 0.2 Ω (DC-only), enabling reliable signal and low-power load switching in industrial controls and telecom systems.
For engineers reviewing the ASSR-1411-001E datasheet, pinout, applications, or equivalent options, key selection criteria include its 300-mil DIP-6 through-hole package, 3 mA minimum turn-on LED current, 0.8 V maximum turn-off input voltage, UL 1577 3750 Vrms isolation, and dual-output connection flexibility for AC/DC vs. DC-only operation.
Technical Context
The ASSR-1411-001E implements optical coupling between an AlGaAs infrared LED and a photovoltaic diode array driving two discrete high-voltage MOSFETs - enabling galvanic isolation without mechanical contacts. Its detector circuit provides precise control of MOSFET gate bias to achieve fast, low-noise switching with no bounce or arcing.
It supports two distinct output configurations: Connection A (AC/DC capable, 0.6 A, 0.7 Ω R(ON)) and Connection B (DC-only, 1.2 A, 0.2 Ω R(ON)), both operating across –40°C to +85°C. Input-to-output insulation meets UL1577 (3750 Vrms/1 min) and CSA Component Acceptance Notice #5.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Withstand Voltage | 60 V - Maximum continuous voltage the output terminals can sustain without breakdown; defines safe operating range for AC/DC loads. |
| Max Output Current (Connection A) | 0.6 A - Rated for general-purpose AC/DC switching; derated above 25°C per Figure 2. |
| Max Output Current (Connection B) | 1.2 A - Enables higher DC load capacity when polarity is fixed; requires dedicated DC wiring layout. |
| On-Resistance (Connection A) | 0.7 Ω typical - Determines I²R power loss and voltage drop at 0.6 A; impacts thermal design and efficiency. |
| On-Resistance (Connection B) | 0.2 Ω typical - Reduces conduction loss by >70% vs. Connection A, critical for high-current DC applications. |
| Turn-On / Turn-Off Time | 0.25 ms / 0.04 ms typical - Enables high-speed digital control (e.g., multiplexing, test equipment); faster than electromechanical relays. |
| Input-Output Isolation | 3750 Vrms (1 min, UL1577) - Ensures safety-critical separation between control and load circuits in medical and industrial systems. |
Pinout & Package
ASSR-1411-001E uses a 300-mil 6-pin DIP through-hole package (JEDEC MS-001 variant), with pins 1–3 forming the input LED anode/cathode/common and pins 4–6 forming the output MOSFET drain/source/common. Pin 1 is marked with dot; pin 3 and pin 6 serve as common terminals for input and output sides respectively.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | LED Anode | Positive input terminal for infrared LED; requires series resistor to limit IF to 3–20 mA. |
| Pin 2 | LED Cathode | Negative LED terminal; referenced to system ground or driver sink node. |
| Pin 3 | LED Common / Input Reference | Shared reference for input side; electrically isolated from output side. |
| Pin 4 | Output Drain 1 | High-side output terminal for MOSFET channel; connects to load supply in Connection A/B. |
| Pin 5 | Output Source 1 | Low-side output terminal; forms switch path with Pin 4; polarity-sensitive in DC-only mode. |
| Pin 6 | Output Common / Source 2 | Common return for output stage; ties to load ground or return path in both configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Compact solid-state SPST relay | Replaces electromechanical relays without contact wear, bounce, or EMI from arcing - ideal for high-cycle-count automation. |
| CMOS-compatible input | Turns on with ≥3 mA LED current; compatible with microcontroller GPIO or logic buffers without external drivers. |
| Dual-configuration output | Supports both AC/DC (Connection A) and enhanced DC-only (Connection B) modes - enables one BOM part for multiple load types. |
| High transient immunity | Withstands >1 kV/μs dV/dt on output and ≥10 kV/μs dV/dt across isolation barrier - suppresses noise-induced false triggering in noisy environments. |
| UL/CSA safety certified | 3750 Vrms isolation (UL1577) and CSA Component Acceptance #5 - satisfies regulatory requirements for medical, industrial, and telecom end-equipment. |
Applications
| Telecom Signal Switching | Industrial PLC I/O Modules |
|---|---|
Use Scenario: Routing analog voice/data signals between line cards or test ports in access switches and base station controllers. IC Role / Device Role / Timing Role: Solid-state SPST switch providing galvanically isolated signal path control with sub-millisecond timing precision. Use Value: Eliminates mechanical relay wear and contact oxidation, ensuring >10⁹ operations lifetime and stable impedance matching over temperature. |
Use Scenario: Isolating and switching 24 V DC sensor outputs or solenoid actuator drives in programmable logic controller backplanes. IC Role / Device Role / Timing Role: Input/output interface relay replacing EMRs to reduce PCB space and improve MTBF in harsh factory environments. Use Value: 1.2 A DC-only mode (Connection B) supports higher-current actuators; 0.2 Ω R(ON) minimizes self-heating at full load. |
| Medical Diagnostic Equipment | Security System Control Panels |
Use Scenario: Safely isolating patient-connected ECG or EEG signal paths from internal digital processing circuitry. IC Role / Device Role / Timing Role: Safety-isolated signal routing component meeting IEC 60601 creepage/clearance and leakage current requirements. Use Value: 3750 Vrms isolation and 4.9 mm minimum creepage meet Class II medical device standards without additional barriers. |
Use Scenario: Controlling alarm siren outputs, door lock actuators, or motion sensor power domains in centralized security hubs. IC Role / Device Role / Timing Role: Load-switching relay handling intermittent 12–24 V DC loads with zero-contact chatter or audible click. Use Value: Silent, bounce-free switching prevents false alarms triggered by mechanical relay vibration or EMI during activation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar solid-state relay applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Toshiba TLP3558A | 60 V/1.0 A rating, SO-6 package, 0.35 Ω R(ON), 3750 Vrms isolation - smaller footprint but lower current headroom than ASSR-1411-001E Connection B. | Preferred where board space is constrained and DC load ≤1.0 A; lacks dual-connection flexibility. | Select when surface-mount assembly is required and 1.2 A DC capability is not needed. |
| Vishay VO615A | 60 V/0.5 A rating, DIP-6 package, 1.0 Ω R(ON), 5000 Vrms isolation - higher isolation voltage but lower current and higher on-resistance. | Suitable for low-power signal switching where ultra-high isolation dominates over conduction loss. | Choose when safety margin exceeds 3750 Vrms is mandated and load current remains ≤0.5 A. |
Compared with TLP3558A and VO615A, the ASSR-1411-001E uniquely supports dual output configurations (0.6 A AC/DC or 1.2 A DC-only) in a through-hole DIP-6 package, delivering lowest R(ON) among comparables while maintaining UL/CSA certification and industry-standard pinout compatibility.
Availability
ASSR-1411-001E is available at Aetrix Electronics and suitable for industrial controls, telecom infrastructure, and medical diagnostic equipment requiring stable component supply, long-term lifecycle support, and RoHS-compliant through-hole relays.
Supply support for ASSR-1411-001E includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Broadcom Inc. is a global semiconductor leader specializing in connectivity, infrastructure, and optoelectronic solutions, with deep expertise in isolation, signal integrity, and high-reliability components.
The ASSR-14XX series was designed as a drop-in solid-state replacement for Form A electromechanical relays, targeting high-reliability, low-maintenance switching in telecom, industrial, and medical systems where longevity and noise immunity are critical.
FAQ
What is the correct pin configuration for AC/DC operation of the ASSR-1411-001E?
The ASSR-1411-001E uses Connection A for AC/DC operation: Pin 4 (Drain) and Pin 5 (Source) form the output switch, with Pin 6 as common return. This configuration supports bidirectional voltage up to ±60 V and 0.6 A continuous current, with typical on-resistance of 0.7 Ω at 25°C. Always verify layout against Figure 3 in the AV02-0241EN datasheet before prototyping.
Can the ASSR-1411-001E drive a 1.2 A DC load, and what changes are required?
Yes - the ASSR-1411-001E supports 1.2 A DC-only loads using Connection B, which reconfigures Pin 4 and Pin 6 as the output path (with Pin 5 unused). This reduces typical on-resistance to 0.2 Ω and increases current rating, but requires strict unidirectional polarity and proper thermal derating per Figure 3. The ASSR-1411-001E must not be used for AC loads in this mode.
What is the minimum input current required to reliably turn on the ASSR-1411-001E across temperature?
The ASSR-1411-001E turns on with a minimum input current of 3 mA through the LED, but Broadcom recommends 5–10 mA for guaranteed performance across the full –40°C to +85°C operating range. At 5 mA, forward voltage is typically 1.3 V (range 1.1–1.65 V), allowing direct drive from most CMOS outputs with appropriate series resistance.
Does the ASSR-1411-001E require external snubbers or protection circuits for inductive loads?
While the ASSR-1411-001E has 60 V output withstand voltage and high dV/dt immunity (>1 kV/μs), inductive loads exceeding this rating or generating flyback transients above 60 V require external clamping (e.g., TVS diodes or RC snubbers). The datasheet explicitly states overvoltage protection circuits should be added in such cases to prevent output MOSFET failure.
Is the ASSR-1411-001E qualified for automotive applications?
No - the ASSR-1411-001E is not AEC-Q100 qualified and is explicitly not recommended for automotive or aerospace use per Broadcom's caution notice. It is rated for industrial and commercial temperature ranges (–40°C to +85°C) and carries UL1577 and CSA safety approvals, making it suitable for medical, telecom, and industrial equipment but not vehicle ECUs or ADAS systems.
ASSR-1411-001E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Broadcom Limited
- Series:
- ASSR
- Packaging:
- Tube
- Product Status:
- Active
- Mounting Type:
- Through Hole
- Circuit:
- SPST-NO (1 Form A)
- Output Type:
- AC, DC
- Voltage - Input:
- 1.3VDC
- Voltage - Load:
- 0 V ~ 60 V
- Load Current:
- 600 mA
- On-State Resistance (Max):
- 1 Ohms
- Termination Style:
- PC Pin
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 6-DIP
- Approval Agency:
- CSA, UL
- Grade:
- -
- Qualification:
- -
ASSR-1411-001E FAQ
1.How can I place an order for ASSR-1411-001E through Aetrix?
Please submit a Request for Quotation (RFQ) for ASSR-1411-001E on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ASSR-1411-001E reliable?
The price and inventory of ASSR-1411-001E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASSR-1411-001E is usually 5 days.
3.What payment methods are accepted for ASSR-1411-001E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASSR-1411-001E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASSR-1411-001E?
ASSR-1411-001E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASSR-1411-001E order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ASSR-1411-001E?
For technical support, including ASSR-1411-001E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASSR-1411-001E requirements.
6.How does Aetrix verify that ASSR-1411-001E is sourced from the original manufacturer or authorized distributors?
All ASSR-1411-001E products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ASSR-1411-001E meets industry standards.
7.What is the process for return or replacement of ASSR-1411-001E?
All ASSR-1411-001E units undergo pre-shipment inspection (PSI). If there is an issue with ASSR-1411-001E, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ASSR-1411-001E part is unused and in its original packaging.
Return procedure for ASSR-1411-001E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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