Specifications
| Type | Description |
|---|---|
| Part Number | SFH617A |
| Manufacturer | Vishay |
| Product Type | Phototransistor Optocoupler |
| Category | Optocouplers |
| Package / Case | DIP-4; 6.5 ±0.5 mm body length, 4.58 ±0.5 mm body width, 3.5 ±0.3 mm height, 2.54 ±0.25 mm pin pitch; options include DIP-4 400 mil option 6 and SMD-4 options 7/9 |
| Operating Temperature | -55 to +110 °C |
| Isolation Test Voltage | 5300 VRMS |
| Collector Emitter Voltage | 70 V |
| CTR Bin SFH617A-1 | 40 to 80 % |
| CTR Bin SFH617A-2 | 63 to 125 % |
| CTR Bin SFH617A-3 | 100 to 200 % |
| CTR Bin SFH617A-4 | 160 to 320 % |
| Reverse Voltage | 6 V max |
| Forward Current | 60 mA max |
| Forward Surge Current | 2.5 A max |
| LED Power Dissipation | 70 mW max |
| Collector Emitter Voltage | 70 V max |
| Emitter Collector Voltage | 7 V max |
| Collector Current | 50 mA max |
| Collector Peak Current | 100 mA max |
| Output Power Dissipation | 150 mW max |
| Storage Temperature Range | -55 to +150 °C |
| Soldering Temperature | 260 °C max |
| Forward Voltage | 1.35 V typ, 1.65 V max |
| Reverse Current | 0.01 uA typ, 10 uA max |
| Input Capacitance | 13 pF typ |
| Collector Emitter Capacitance | 5.2 pF typ |
| Collector Emitter Leakage Current SFH617A-1 | 2 nA typ, 50 nA max |
| Collector Emitter Leakage Current SFH617A-2 | 2 nA typ, 50 nA max |
| Collector Emitter Leakage Current SFH617A-3 | 5 nA typ, 100 nA max |
| Collector Emitter Leakage Current SFH617A-4 | 5 nA typ, 100 nA max |
| Collector Emitter Saturation Voltage | 0.25 V typ, 0.4 V max |
| Coupling Capacitance | 0.4 pF typ |
| Current Transfer Ratio SFH617A-1 | 40 % min, 80 % max |
| Current Transfer Ratio SFH617A-2 | 63 % min, 125 % max |
| Current Transfer Ratio SFH617A-3 | 100 % min, 200 % max |
| Current Transfer Ratio SFH617A-4 | 160 % min, 320 % max |
| Current Transfer Ratio SFH617A-1 | 13 % min, 30 % typ |
| Current Transfer Ratio SFH617A-2 | 22 % min, 45 % typ |
| Current Transfer Ratio SFH617A-3 | 34 % min, 70 % typ |
| Current Transfer Ratio SFH617A-4 | 56 % min, 90 % typ |
| Turn On Time Non-Saturated | 3 us typ |
| Rise Time Non-Saturated | 2 us typ |
| Turn Off Time Non-Saturated | 2.3 us typ |
| Fall Time Non-Saturated | 2 us typ |
| Cut-Off Frequency | 100 kHz typ |
| Turn On Time Saturated SFH617A-1 | 3 us typ |
| Turn On Time Saturated SFH617A-2 | 4.2 us typ |
| Turn On Time Saturated SFH617A-3 | 4.2 us typ |
| Turn On Time Saturated SFH617A-4 | 6 us typ |
| Rise Time Saturated SFH617A-1 | 2 us typ |
| Rise Time Saturated SFH617A-2 | 3 us typ |
| Rise Time Saturated SFH617A-3 | 3 us typ |
| Rise Time Saturated SFH617A-4 | 4.6 us typ |
| Turn Off Time Saturated SFH617A-1 | 18 us typ |
| Turn Off Time Saturated SFH617A-2 | 23 us typ |
| Turn Off Time Saturated SFH617A-3 | 23 us typ |
| Turn Off Time Saturated SFH617A-4 | 25 us typ |
| Fall Time Saturated SFH617A-1 | 11 us typ |
| Fall Time Saturated SFH617A-2 | 14 us typ |
| Fall Time Saturated SFH617A-3 | 14 us typ |
| Fall Time Saturated SFH617A-4 | 15 us typ |
| Climatic Classification | 55/115/21 |
| Pollution Degree | 2 |
| Comparative Tracking Index | 175 |
| Maximum Rated Withstanding Isolation Voltage | 4470 VRMS |
| Tested Withstanding Isolation Voltage | 5300 VRMS |
| Maximum Transient Isolation Voltage | 8000 Vpeak |
| Maximum Repetitive Peak Isolation Voltage | 890 Vpeak |
| Isolation Resistance | >=1e12 ohm |
| Isolation Resistance | >=1e11 ohm |
| Output Safety Power | 700 mW |
| Input Safety Current | 400 mA |
| Input Safety Temperature | 175 °C |
| Creepage Distance DIP-4 | >=7 mm |
| Clearance Distance DIP-4 | >=7 mm |
| Creepage Distance Option 6 | >=8 mm |
| Clearance Distance Option 6 | >=8 mm |
| Creepage Distance SMD Options | >=7 mm |
| Clearance Distance SMD Options | >=7 mm |
| Insulation Thickness | >=0.4 mm |
| Units Per Tube | 100 |
| Tubes Per Box | 40 |
| Units Per Box | 4000 |
| ESD Level | HBM class 2 |
| Floor Life | Unlimited |
| Storage Condition | Tamb <30 °C, RH <85 % |
| Moisture Sensitivity Level | MSL 1 |
| Datasheet Status | request_only |
Product Overview
The Vishay SFH617A is a phototransistor output optocoupler categorized here under LED components. Its input side is specified with 60 mA maximum forward current, 6 V maximum reverse voltage, 2.5 A maximum surge current for pulses up to 10 us, and 70 mW maximum LED power dissipation at 25 °C.
Key Features
- Phototransistor output optocoupler device structure
- 5300 VRMS feature isolation test voltage
- 70 V collector-emitter voltage rating
- CTR bins span 40 % to 320 %
- -55 to +110 °C ambient operating range
- DIP-4 package with SMD-4 options
- 100 kHz typical cut-off frequency
- 0.4 pF typical coupling capacitance
- MSL 1 moisture sensitivity level
- HBM class 2 ESD level
Typical Applications
- Isolated signal transfer
- I/O isolation interfaces
- Low-frequency signal coupling
- Phototransistor switching outputs
- Saturated optocoupler switching
- Isolation barrier interfaces
Procurement Notes
When requesting a quote for SFH617A, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For optocoupler and isolation sourcing, isolation voltage, CTR or output type, package, creepage distance, temperature grade, agency approvals and soldering conditions should be verified before approval.
FAQ
What type of device is the SFH617A?
SFH617A is specified as a Vishay phototransistor output optocoupler in the LED category. The package information identifies DIP-4 dimensions, with DIP-4 400 mil option 6 and SMD-4 options 7 and 9 also listed.
What isolation ratings are listed for SFH617A?
The extracted datasheet facts list 5300 VRMS as the feature isolation test voltage. Safety data also lists 4470 VRMS maximum rated withstanding isolation voltage for 1 minute and 8000 Vpeak maximum transient isolation voltage.
Which CTR bins are available for SFH617A?
The SFH617A ordering information lists four CTR bins: SFH617A-1 at 40 to 80 %, SFH617A-2 at 63 to 125 %, SFH617A-3 at 100 to 200 %, and SFH617A-4 at 160 to 320 %.
What package and assembly details are specified?
The package is DIP-4 with 6.5 ±0.5 mm body length, 4.58 ±0.5 mm body width, 3.5 ±0.3 mm height, and 2.54 ±0.25 mm pin pitch. The soldering temperature is 260 °C maximum, 2 mm from case for up to 10 seconds.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 28, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.