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Broadcom Limited ASSR-601JT-500E
- Part No.:
- ASSR-601JT-500E
- Manufacturer:
- Broadcom Limited
- Category:
- Solid State Relays (SSR)
- Package:
- 16-SOIC (0.295", 7.50mm Width), 12 Leads
- Datasheet:
-
ASSR-601JT-500E.pdf
- Description:
- SSR RELAY SPST-NO 10MA 0-1500V
- Quantity:
- Payment:
- Shipping:
Inventory:4,569
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Product details
Overview
ASSR-601JT-500E from Broadcom is a high-voltage solid-state relay (SSR) with optically isolated 1-Form-A switching function, built using dual avalanche-rated MOSFETs and an AlGaAs LED input stage. It delivers 1500 V output withstand voltage, <250 Ω on-resistance at 50 mA load, and operates across –40°C to +110°C ambient. It replaces electromechanical relays in battery insulation resistance measurement and BMS flying-capacitor sensing circuits.
For engineers reviewing the ASSR-601JT-500E datasheet, pinout, applications, or equivalent options, key selection criteria include reinforced insulation (8.3 mm creepage/clearance), 5000 VRMS/1 min isolation rating, 10 nA max output leakage at 1000 V, and fast switching (TON < 4 ms, TOFF < 0.5 ms).
Technical Context
The ASSR-601JT-500E implements galvanic isolation via optical coupling between an AlGaAs LED and a photovoltaic diode array driving two high-voltage MOSFETs. Its bidirectional output switch requires no external power on the load side and supports DC loads up to 1000 V with ≤50 mA continuous current.
It features internal floating pins (pins 8–9 and 15–16 are internally connected), reinforced insulation per IEC/EN/DIN EN 60747-5-5, and safety certification for 1414 VPEAK working voltage. The device uses a 300-mil SO-16 package with ≥8 mm input-output creepage and clearance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Withstand Voltage | 1500 V at IDSS = 250 μA - enables safe switching of industrial HV DC lines up to 1000 V. |
| On-Resistance (RON) | <250 Ω at IO = 50 mA - minimizes conduction loss and self-heating in battery monitoring paths. |
| Turn-On / Turn-Off Time | TON < 4 ms, TOFF < 0.5 ms - supports rapid cycling in BMS capacitor balancing and leakage detection. |
| Input Threshold Current | 10 mA min. - ensures reliable activation with standard MCU GPIO or low-power drivers without external amplification. |
| Output Leakage Current | 10 nA max. at 1000 V - critical for high-impedance insulation resistance measurements (>100 MΩ accuracy). |
| Isolation Voltage | 5000 VRMS/1 min (UL1577) - meets reinforced insulation requirements for functional safety in automotive and industrial systems. |
| Operating Temperature | –40°C to +110°C - supports deployment in under-hood automotive and high-temp industrial environments. |
Pinout & Package
ASSR-601JT-500E is housed in a RoHS-compliant 300-mil SO-16 surface-mount package (JEDEC MS-013AC), with 8.3 mm minimum creepage and clearance between input and output sides. Pin 3 is internally tied to pin 5 (CA), and pins 9/10 and 15/16 are internally connected drain pairs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 6, 7, 8 | NC | No internal connection; must remain unconnected or grounded per layout guidelines. |
| 3 | NC (tied to CA) | Internally connected to cathode (pin 5); do not route externally. |
| 4 | AN | Anode of input AlGaAs LED - connect to current-limited drive source (e.g., MCU + series resistor). |
| 5 | CA | Cathode of input LED - reference ground for input control circuit. |
| 9, 10 | D2 | Drain terminal pair for MOSFET 2 - forms one side of bidirectional output switch. |
| 15, 16 | D1 | Drain terminal pair for MOSFET 1 - forms second side of bidirectional output switch; pins 15/16 may be used interchangeably. |
Key Features
| Feature | Design Value |
|---|---|
| Reinforced Insulation | 8.3 mm creepage/clearance + 5000 VRMS/1 min isolation - certified to IEC/EN/DIN EN 60747-5-5 for functional safety-critical isolation. |
| Avalanche-Rated MOSFETs | Withstands transient overvoltage up to 6000 VPEAK - eliminates need for external snubbers in inductive or capacitive load switching. |
| Bidirectional Output Switch | No polarity sensitivity - simplifies PCB routing and enables use in AC-coupled or floating-sense topologies like BMS flying capacitors. |
| Low Output Leakage | ≤10 nA at 1000 V - preserves measurement integrity in high-impedance insulation resistance test circuits. |
| High-Temp Operation | Rated to +110°C ambient - supports placement near power stages or in engine compartments without derating. |
Applications
| Battery Insulation Resistance Testing | BMS Flying-Capacitor Sensing |
|---|---|
|
Use Scenario: Measuring insulation resistance between high-voltage battery packs and chassis ground to detect degradation or moisture ingress. IC Role / Device Role / Timing Role: Solid-state relay isolating the test voltage source from the measurement circuit while enabling precise DC bias application. Use Value: 10 nA leakage and 1500 V withstand ensure accurate >100 MΩ readings without loading the DUT or compromising safety boundaries. |
Use Scenario: Switching flying capacitors in multi-cell battery monitoring ICs to sequentially sample individual cell voltages. IC Role / Device Role / Timing Role: Bidirectional, low-leakage switch replacing mechanical relays to enable fast, wear-free capacitor reconfiguration. Use Value: TOFF < 0.5 ms and RON < 250 Ω minimize settling time and voltage error during cell sampling cycles. |
| Electromechanical Relay Replacement | Inrush Current Limiter Protection |
|
Use Scenario: Replacing 1-Form-A EMRs in industrial PLC I/O modules where vibration, contact bounce, and lifetime are concerns. IC Role / Device Role / Timing Role: Optically isolated MOSFET-based switch providing silent, bounce-free, and maintenance-free operation. Use Value: 107 cycle lifetime and –40°C to +110°C operation eliminate relay wear-out and cold-start failures. |
Use Scenario: Controlling pre-charge resistors in EV traction inverters or UPS systems to limit inrush into large DC-link capacitors. IC Role / Device Role / Timing Role: High-voltage SSR enabling controlled ramp-up of bus voltage before main contactor closure. Use Value: 1000 VDC continuous rating and avalanche ruggedness safely handle repeated 800 V+ DC bus pre-charge events. |
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 TLP3547 | SO-16, 1500 VDRM, RON ≈ 350 Ω, TON/TOFF ≈ 2.5/0.3 ms, 10 nA leakage - higher RON increases conduction loss. | Same 1-Form-A function but lower temperature rating (–40°C to +105°C) and no IEC 60747-5-5 certification. | Preferred where cost sensitivity outweighs extended temp range or regulatory compliance needs. |
| Vishay VO3120 | SO-8, 600 VDRM, RON ≈ 200 Ω, TON/TOFF ≈ 0.5/0.1 ms - faster switching but half the voltage rating. | Limited to ≤600 V systems; unsuitable for 800 V+ EV battery monitoring or industrial HV lines. | Select only for lower-voltage, speed-critical applications where 1500 V capability is unnecessary. |
Compared with TLP3547 and VO3120, the ASSR-601JT-500E uniquely combines 1500 V withstand, IEC 60747-5-5 certification, and +110°C operation - making it the only option qualified for automotive-grade BMS insulation testing and high-temp industrial isolation.
Availability
ASSR-601JT-500E is available at Aetrix Electronics and suitable for battery management systems, industrial HV insulation testers, and EV pre-charge controllers requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for ASSR-601JT-500E 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 is a global semiconductor leader specializing in high-performance connectivity, infrastructure, and optoelectronic solutions, with deep expertise in isolation, signal integrity, and power-efficient interface design.
The ASSR-601JT-500E belongs to Broadcom's ASSR high-voltage solid-state relay product line, engineered specifically for functional safety-critical isolation in automotive battery monitoring, industrial energy storage, and high-reliability test equipment.
FAQ
What is the maximum continuous load voltage supported by the ASSR-601JT-500E?
The ASSR-601JT-500E supports a maximum continuous load voltage of 1000 VDC across its output terminals (pins 9/10 and 15/16). This is specified in the Recommended Operating Conditions table and validated by its 1500 V output withstand voltage at IDSS = 250 μA. Exceeding 1000 VDC risks accelerated degradation or breakdown under sustained operation.
Does the ASSR-601JT-500E require an external power supply on the output side?
No, the ASSR-601JT-500E does not require external power on the output side. Its output stage uses a photovoltaic diode array to generate gate drive for the internal MOSFETs directly from the input LED current. This enables true galvanic isolation and zero-power operation on the load side - a key advantage over opto-MOSFET drivers needing auxiliary bias.
Can pins 9 and 10 (or 15 and 16) be used independently in the ASSR-601JT-500E?
No - pins 9 and 10 are internally connected as a single drain node (D2), and pins 15 and 16 are internally connected as another drain node (D1). They are provided for layout flexibility and current sharing, not independent operation. Using only one pin per pair is acceptable, but splitting connections across both pins in the same node improves thermal and current-handling performance.
What safety certifications apply to the ASSR-601JT-500E?
The ASSR-601JT-500E carries IEC/EN/DIN EN 60747-5-5 certification for reinforced insulation, UL 1577 recognition (5000 VRMS/1 min), CSA component acceptance, and a maximum working insulation voltage of 1414 VPEAK. These approvals are verified per production test (VPR = 2651 VPEAK) and confirm suitability for functional safety applications per ISO 26262 ASIL-B system requirements.
How does the ASSR-601JT-500E achieve bidirectional switching capability?
The ASSR-601JT-500E achieves bidirectional switching through its dual-MOSFET output architecture: two avalanche-rated N-channel MOSFETs are connected back-to-back (source-to-source) between D1 and D2 terminals. This configuration blocks current flow in both directions when off and conducts equally in either direction when on - eliminating polarity constraints and enabling use in AC or floating DC sensing paths.
ASSR-601JT-500E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Broadcom Limited
- Series:
- ASSR
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Mounting Type:
- Surface Mount
- Circuit:
- SPST-NO (1 Form A)
- Output Type:
- AC
- Voltage - Input:
- 1.55VDC
- Voltage - Load:
- 0 V ~ 1500 V
- Load Current:
- 10 mA
- On-State Resistance (Max):
- 300 Ohms
- Termination Style:
- Gull Wing
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-SOIC
- Approval Agency:
- CSA, UL
- Grade:
- -
- Qualification:
- -
ASSR-601JT-500E FAQ
1.How can I place an order for ASSR-601JT-500E through Aetrix?
Please submit a Request for Quotation (RFQ) for ASSR-601JT-500E 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-601JT-500E reliable?
The price and inventory of ASSR-601JT-500E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ASSR-601JT-500E is usually 5 days.
3.What payment methods are accepted for ASSR-601JT-500E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ASSR-601JT-500E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ASSR-601JT-500E?
ASSR-601JT-500E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ASSR-601JT-500E 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-601JT-500E?
For technical support, including ASSR-601JT-500E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ASSR-601JT-500E requirements.
6.How does Aetrix verify that ASSR-601JT-500E is sourced from the original manufacturer or authorized distributors?
All ASSR-601JT-500E 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-601JT-500E meets industry standards.
7.What is the process for return or replacement of ASSR-601JT-500E?
All ASSR-601JT-500E units undergo pre-shipment inspection (PSI). If there is an issue with ASSR-601JT-500E, 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-601JT-500E part is unused and in its original packaging.
Return procedure for ASSR-601JT-500E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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