DG417LEDY-T1-GE4 Equivalent & Substitute Parts

Part Overview

The DG417LEDY-T1-GE4 is a single-circuit SPST (Single Pole Single Throw) IC switch manufactured by Vishay Siliconix, designed for interface applications requiring low on-state resistance and fast switching performance. This component operates across a wide supply voltage range (3V to 16V single supply, or ±3V to ±8V dual supply) and is housed in an 8-SOIC surface mount package. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when they maintain identical electrical specifications and mechanical compatibility, ensuring direct replacement capability in existing designs.

Key Parameters

Parameter	Value
Switch Circuit Type	SPST
Multiplexer/Demultiplexer Circuit	1:1
Number of Circuits	1
On-State Resistance (Max)	9Ohm
Voltage - Supply, Single (V+)	3V ~ 16V
Voltage - Supply, Dual (V±)	±3V ~ 8V
Switch Time (Ton, Toff) (Max)	40ns, 35ns
Charge Injection	26pC
Channel Capacitance (CS(off), CD(off))	11pF, 32pF
Current - Leakage (IS(off)) (Max)	10nA
Crosstalk	-72dB @ 1MHz
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the DG417LEDY-T1-GE4 is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters define the substitution criteria:

Switch circuit configuration (SPST)
Circuit count and multiplexer ratio (1 circuit, 1:1)
On-state resistance specification (9Ohm maximum)
Supply voltage operating ranges (3V to 16V single, ±3V to ±8V dual)
Switching performance metrics (Ton/Toff, charge injection, capacitance)
Leakage current and crosstalk specifications
Temperature operating range (-40°C to 85°C)
Physical package format (8-SOIC surface mount)
Compliance certifications (ROHS3, MSL Level 1)

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	DG417LEDY-T1-GE4	DG418LEDY-T1-GE4
Manufacturer	Vishay Siliconix	Vishay Siliconix
Category	Interface	Interface
Switch Circuit	SPST	SPST
Multiplexer/Demultiplexer Circuit	1:1	1:1
Number of Circuits	1	1
On-State Resistance (Max)	9Ohm	9Ohm
Voltage - Supply, Single (V+)	3V ~ 16V	3V ~ 16V
Voltage - Supply, Dual (V±)	±3V ~ 8V	±3V ~ 8V
Switch Time (Ton, Toff) (Max)	40ns, 35ns	40ns, 35ns
Charge Injection	26pC	26pC
Channel Capacitance (CS(off), CD(off))	11pF, 32pF	11pF, 32pF
Current - Leakage (IS(off)) (Max)	10nA	10nA
Crosstalk	-72dB @ 1MHz	-72dB @ 1MHz
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

Both the DG417LEDY-T1-GE4 and DG418LEDY-T1-GE4 are active production parts with identical electrical specifications and mechanical compatibility. Selection between these parts may be based on inventory availability and supply chain considerations. The DG417LEDY-T1-GE4 maintains 1607 units in stock, while the DG418LEDY-T1-GE4 has 5091 units available. Both parts carry ROHS3 compliance, REACH unaffected status, and EAR99 export classification, meeting standard regulatory requirements for interface IC switch applications. The 8-SOIC package format ensures compatibility with existing PCB layouts and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can DG418LEDY-T1-GE4 be used as a direct replacement for DG417LEDY-T1-GE4?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, including on-state resistance, supply voltage ranges, switching times, and all signal integrity parameters. The 8-SOIC package format is identical, enabling direct PCB substitution.

Q: Are there any differences in operating conditions between these parts?

A: No. Both parts operate across the same temperature range (-40°C to 85°C), support identical supply voltage configurations (3V to 16V single supply or ±3V to ±8V dual supply), and maintain the same leakage current and crosstalk specifications.

Q: What determines whether a part can substitute for the DG417LEDY-T1-GE4?

A: Substitution requires matching across all critical parameters: SPST switch circuit configuration, 1:1 multiplexer ratio, 9Ohm on-state resistance, identical supply voltage ranges, switching performance metrics (40ns/35ns), charge injection (26pC), channel capacitance values, leakage current (10nA max), crosstalk (-72dB @ 1MHz), operating temperature range, and 8-SOIC surface mount package format.

Q: Are compliance certifications identical between these parts?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, carry MSL Level 1 (unlimited moisture sensitivity), and share the same EAR99 export classification and HTSUS code (8542.39.0001).

Q: What is the significance of the base product number difference (DG417 vs DG418)?

A: The base product number identifies the core device family. While DG417 and DG418 share identical electrical and mechanical specifications in these part numbers, the suffix designations (-LEDY-T1-GE4) define the specific packaging, temperature rating, and lead configuration. These parts are functionally equivalent for interface switching applications.

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