Request Quote
(Ships tomorrow)
ICLS8023ZXKLA1 Equivalent & Substitute Parts
Part Overview
The ICLS8023ZXKLA1 is an LED Driver IC manufactured by Infineon Technologies, designed for AC DC offline switching applications using flyback topology with PWM dimming capability. This component operates as a 1-output power management IC with internal switching functionality. The part is classified as obsolete, making equivalent and substitute parts necessary for new designs and ongoing production requirements. Substitute parts must maintain compatibility with the original supply voltage range (10.5V to 25V), flyback topology, PWM dimming operation, and through-hole mounting configuration.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ICLS8023ZXKLA1 |
| Manufacturer | Infineon Technologies |
| Category | Power Management (PMIC) |
| Type | AC DC Offline Switcher |
| Topology | Flyback |
| Internal Switch(s) | Yes |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 10.5V |
| Voltage - Supply (Max) | 25V |
| Frequency | 65kHz |
| Dimming | PWM |
| Operating Temperature | -25°C ~ 130°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution logic for the ICLS8023ZXKLA1 is based on the following critical parameters:
Primary Compatibility Criteria:
- AC DC offline switcher topology with flyback configuration
- PWM dimming capability
- Internal integrated switch
- Single output configuration
- Supply voltage range accommodation (minimum 10.5V to 25V maximum)
- Operating temperature range (-25°C to 130°C)
- Through-hole or surface-mount packaging options
Grouping Strategy: Substitute parts are organized by their ability to maintain the core functional requirements of the original design. Parts with flyback topology and PWM dimming are prioritized as direct replacements. Parts with alternative topologies (step-down/boost) or dimming methods (triac, analog) are listed as functional alternatives where circuit redesign may be required.
Parameter Comparison
| Parameter | ICLS8023ZXKLA1 | LNK406EG | LNK415EG | LNK417LG | LM3445MMX/NOPB | LM3497M/NOPB |
|---|---|---|---|---|---|---|
| Manufacturer | Infineon | Power Integrations | Power Integrations | Power Integrations | Texas Instruments | Texas Instruments |
| Type | AC DC Offline Switcher | AC DC Offline Switcher | AC DC Offline Switcher | AC DC Offline Switcher | AC DC Offline Switcher | AC DC Offline Switcher |
| Topology | Flyback | Flyback | Flyback | Flyback | Step-Down (Buck) | Step-Down (Buck) |
| Internal Switch(s) | Yes | Yes | Yes | Yes | No | No |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Voltage - Supply (Min) | 10.5V | 36V | 36V | 36V | 8V | 8V |
| Voltage - Supply (Max) | 25V | 725V | 725V | 725V | 12V | 12V |
| Frequency | 65kHz | 66kHz | 66kHz | 66kHz | 30kHz ~ 1MHz | Not Specified |
| Dimming | PWM | Triac | PWM | PWM | Triac | Triac |
| Operating Temperature | -25°C ~ 130°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| RoHS Status | Not Specified | RoHS Compliant | RoHS Compliant | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Replacement Candidates (Flyback PWM Topology):
LNK415EG and LNK417LG from Power Integrations represent the closest functional equivalents. Both maintain flyback topology with PWM dimming, internal switching capability, and through-hole mounting. LNK415EG operates at 1.24A output current with 66kHz frequency, while LNK417LG provides 1.77A at the same frequency. Both are active products with RoHS compliance and extended operating temperature ranges (-40°C to 150°C). The higher supply voltage range (36V to 725V) requires circuit evaluation for the specific application.
Alternative Topology Options (Flyback Triac Dimming):
LNK406EG, LNK404EG, LNK404LG, and LNK405LG provide flyback topology with triac dimming instead of PWM. These parts maintain internal switching and through-hole mounting but require dimming circuit redesign if PWM control is essential to the application. All are active products with RoHS compliance and superior temperature ratings.
Surface-Mount Alternatives (Buck Topology):
LM3445MMX/NOPB and LM3497M/NOPB from Texas Instruments offer active product status and ROHS3 compliance but employ step-down (buck) topology without internal switching. These require external switching components and are surface-mount only. Triac dimming is standard for both parts. These options necessitate significant circuit redesign.
Selection Criteria:
- Prioritize active products with RoHS compliance for new designs
- Maintain flyback topology and PWM dimming for minimal circuit modification
- Verify supply voltage range compatibility with application requirements
- Confirm mounting type compatibility with PCB design constraints
Frequently Asked Questions (FAQ)
Q: Can LNK406EG directly replace ICLS8023ZXKLA1?
A: LNK406EG maintains flyback topology, internal switching, and through-hole mounting, but uses triac dimming instead of PWM. Direct pin-for-pin replacement is not possible. Circuit redesign for dimming control is required.
Q: What is the primary difference between LNK415EG and LNK417LG?
A: Both parts use identical flyback topology with PWM dimming and 66kHz frequency. The difference is output current rating: LNK415EG is rated for 1.24A while LNK417LG is rated for 1.77A. Selection depends on application current requirements.
Q: Why do substitute parts have higher supply voltage minimums (36V vs 10.5V)?
A: The ICLS8023ZXKLA1 operates in a lower voltage range specific to its original application. Substitute parts from Power Integrations (LinkSwitch-PH series) are designed for higher input voltage ranges typical of universal AC input applications. Circuit design must accommodate this difference.
Q: Are surface-mount alternatives viable for through-hole designs?
A: Surface-mount parts like LM3445MMX/NOPB and LM3497M/NOPB require PCB redesign and different assembly processes. Additionally, they use buck topology without internal switching, necessitating external component additions. These are not recommended for direct replacement in through-hole designs.
Q: What compliance certifications should I verify for production use?
A: All recommended active substitute parts carry RoHS or ROHS3 compliance and REACH Unaffected status. Verify ECCN classification (all listed parts are EAR99) and HTSUS codes (8542.39.0001) for your specific supply chain and regulatory requirements.
Q: Does operating temperature range affect part selection?
A: The ICLS8023ZXKLA1 operates from -25°C to 130°C. Most substitute parts extend this range to -40°C to 150°C, providing improved thermal margin. If your application requires the narrower original range, verify that substitute parts meet your specific temperature requirements.
Q: Can I use LM3445MMX/NOPB as a substitute?
A: LM3445MMX/NOPB is functionally different: it uses step-down (buck) topology without internal switching and requires triac dimming. Significant circuit redesign is necessary. This part is suitable only if your application can accommodate these topology changes.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts









