
HCPL0637
onsemi
8 variants · onsemi
The onsemi HCPL Discrete Semiconductors Series series groups 8 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by case, channels and current - output (Channel), so you can match the exact case your application requires using the selection guide below. All listed onsemi HCPL Discrete Semiconductors Series part numbers are active and orderable.
| Parameter | HCPL0637 | HCPL3700SVM | HCPL0637R2 | HCPL0639R2 | HCPL0701R2 | HCPL0731 |
|---|---|---|---|---|---|---|
| Case | 8-SOIC (0.154\", 3.90mm Width) | 8-SMD, Gull Wing | 8-SOIC (0.154\", 3.90mm Width) | 8-SOIC (0.154\", 3.90mm Width) | 8-SOIC (0.154\", 3.90mm Width) | 8-SOIC (0.154\", 3.90mm Width) |
| Channels | 2 | 1 | 2 | 2 | 1 | 2 |
| Current - output (Channel) | 15 mA | 30mA | 15 mA | 15 mA | 60mA | 60mA |
| Input type | DC | AC, DC | DC | DC | DC | DC |
| Mounting | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C~85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C~85°C |
| Output type | Open Collector, Schottky Clamped | Darlington | Open Collector, Schottky Clamped | Open Collector, Schottky Clamped | Darlington with Base | Darlington |
| Package | Tube | Bulk | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR) Cut Tape (CT) | Tape & Reel (TR) Cut Tape (CT) | Tube |
Request a quote on any onsemi HCPL Discrete Semiconductors Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

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