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H11D3SD Optoisolator Equivalent & Substitute Parts
Part Overview
The H11D3SD is an optoisolator transistor with base output manufactured by onsemi, rated for 5300Vrms isolation voltage in a 6-SMD surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The H11D3SD provides galvanic isolation with transistor output capability suitable for high-voltage switching applications requiring DC input control.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | H11D3SD |
| Manufacturer | onsemi |
| Category | Optoisolators |
| Product Status | Obsolete |
| Number of Channels | 1 |
| Voltage - Isolation | 5300Vrms |
| Current Transfer Ratio (Min) | 20% @ 10mA |
| Output Type | Transistor with Base |
| Voltage - Output (Max) | 200V |
| Current - Output / Channel | 100mA |
| Vce Saturation (Max) | 400mV |
| Operating Temperature | -55°C ~ 100°C |
| Mounting Type | Surface Mount |
| Package / Case | 6-SMD, Gull Wing |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the H11D3SD is determined by the following critical parameters that must remain compatible:
- Package Type: 6-SMD, Gull Wing surface mount configuration
- Output Configuration: Transistor with Base output topology
- Number of Channels: Single channel operation
- Current Transfer Ratio: Minimum 20% @ 10mA
- Output Current Capability: 100mA per channel
- Vce Saturation: 400mV maximum
- Input Type: DC
- Mounting: Surface Mount
Substitute parts are grouped based on isolation voltage rating and maximum output voltage, as these parameters define the application envelope. The H11D3SD operates at 5300Vrms isolation with 200V maximum output voltage. Substitute parts with lower isolation ratings (4170Vrms) or different output voltage ratings remain functionally compatible within their respective application limits.
Parameter Comparison
| Parameter | H11D3SD (Main) | H11D3SR2M | H11D3SM | H11D3SMT&R | H11D1SR2M |
|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | Fairchild Semiconductor | Isocom Components 2004 LTD | onsemi |
| Product Status | Obsolete | Active | Active | Active | Active |
| Number of Channels | 1 | 1 | 1 | 1 | 1 |
| Voltage - Isolation | 5300Vrms | 4170Vrms | 4170Vrms | 7.5Vpk | 4170Vrms |
| Current Transfer Ratio (Min) | 20% @ 10mA | 20% @ 10mA | 20% @ 10mA | 20% @ 10mA | 20% @ 10mA |
| Output Type | Transistor with Base | Transistor with Base | Transistor with Base | Transistor with Base | Transistor with Base |
| Voltage - Output (Max) | 200V | 200V | 200V | 200V | 300V |
| Current - Output / Channel | 100mA | 100mA | 100mA | 100mA | 100mA |
| Voltage - Forward (Vf) (Typ) | 1.15V | 1.15V | 1.15V | 1.2V | 1.15V |
| Current - DC Forward (If) (Max) | 80mA | 80mA | 80mA | 60mA | 80mA |
| Vce Saturation (Max) | 400mV | 400mV | 400mV | 400mV | 400mV |
| Operating Temperature | -55°C ~ 100°C | -40°C ~ 100°C | -40°C ~ 100°C | -55°C ~ 100°C | -40°C ~ 100°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 6-SMD, Gull Wing | 6-SMD, Gull Wing | 6-SMD, Gull Wing | 6-SMD, Gull Wing | 6-SMD, Gull Wing |
| Packaging Type | - | Tape & Reel (TR) | Bulk | Tape & Reel (TR) | Tape & Reel (TR) |
| RoHS Status | Not specified | ROHS3 Compliant | Not specified | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Not specified | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
H11D3SR2M (onsemi): Active product status with ROHS3 compliance. Isolation voltage reduced to 4170Vrms with matching 200V output maximum. Suitable for applications where the lower isolation rating is acceptable. Operating temperature range limited to -40°C ~ 100°C compared to the main part's -55°C ~ 100°C.
H11D3SM (Fairchild Semiconductor): Active product with 4170Vrms isolation and 200V output maximum. Bulk packaging available. Compliance certifications not fully specified in provided data.
H11D3SMT&R (Isocom Components 2004 LTD): Active product with ROHS3 compliance. Isolation voltage specified as 7.5Vpk, which differs significantly from other substitutes. Maximum DC forward current reduced to 60mA. Operating temperature range matches the main part at -55°C ~ 100°C.
H11D1SR2M (onsemi): Active product status with ROHS3 compliance. Isolation voltage 4170Vrms with higher maximum output voltage of 300V. Operating temperature range -40°C ~ 100°C. Suitable for applications requiring higher output voltage capability.
Frequently Asked Questions (FAQ)
Q: Can H11D3SR2M directly replace H11D3SD in all applications?
A: H11D3SR2M maintains identical package, output type, current transfer ratio, output current, and Vce saturation specifications. The isolation voltage is reduced from 5300Vrms to 4170Vrms. Substitution is valid only if the application isolation requirement does not exceed 4170Vrms. Operating temperature minimum is -40°C instead of -55°C.
Q: What is the key difference between H11D3SR2M and H11D1SR2M?
A: Both are onsemi active products with 4170Vrms isolation. H11D1SR2M provides maximum output voltage of 300V compared to H11D3SR2M's 200V. H11D1SR2M is suitable for applications requiring higher output voltage switching capability.
Q: Is H11D3SMT&R compatible with the H11D3SD?
A: H11D3SMT&R maintains the 6-SMD package and transistor output configuration. However, the isolation voltage specification (7.5Vpk) differs substantially from the main part and other substitutes. Maximum DC forward current is 60mA versus 80mA for the main part. Compatibility depends on specific application isolation and input current requirements.
Q: What packaging options are available for substitutes?
A: H11D3SR2M and H11D1SR2M are supplied in Tape & Reel (TR) format. H11D3SM is available in Bulk packaging. H11D3SMT&R is supplied in Tape & Reel format. The main part H11D3SD packaging type is not specified in available data.
Q: Are all substitute parts RoHS compliant?
A: H11D3SR2M, H11D1SR2M, and H11D3SMT&R are ROHS3 compliant. H11D3SM RoHS status is not specified in provided data. All parts maintain REACH Unaffected status.
Q: What is the impact of operating temperature range differences?
A: H11D3SR2M, H11D3SM, and H11D1SR2M operate from -40°C to 100°C, compared to the main part's -55°C to 100°C. Applications requiring operation below -40°C must use H11D3SD or H11D3SMT&R, which both support -55°C minimum.
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