onsemi, FODM121AR2V Phototransistor Output Optocoupler, Surface Mount, 4-Pin MFP
- RS Stock No.:
- 186-7262
- Mfr. Part No.:
- FODM121AR2V
- Brand:
- onsemi
Subtotal (1 reel of 2500 units)*
£335.00
(exc. VAT)
£402.50
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 21 January 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Reel* |
|---|---|---|
| 2500 + | £0.134 | £335.00 |
*price indicative
- RS Stock No.:
- 186-7262
- Mfr. Part No.:
- FODM121AR2V
- Brand:
- onsemi
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | onsemi | |
| Mounting Type | Surface Mount | |
| Output Device | Phototransistor | |
| Maximum Forward Voltage | 1.4V | |
| Number of Channels | 1 | |
| Number of Pins | 4 | |
| Package Type | MFP | |
| Typical Rise Time | 3µs | |
| Maximum Input Current | 10 mA | |
| Isolation Voltage | 3.75 kVrms | |
| Maximum Current Transfer Ratio | 600% | |
| Minimum Current Transfer Ratio | 50% | |
| Typical Fall Time | 3µs | |
| Series | FODM | |
| Select all | ||
|---|---|---|
Brand onsemi | ||
Mounting Type Surface Mount | ||
Output Device Phototransistor | ||
Maximum Forward Voltage 1.4V | ||
Number of Channels 1 | ||
Number of Pins 4 | ||
Package Type MFP | ||
Typical Rise Time 3µs | ||
Maximum Input Current 10 mA | ||
Isolation Voltage 3.75 kVrms | ||
Maximum Current Transfer Ratio 600% | ||
Minimum Current Transfer Ratio 50% | ||
Typical Fall Time 3µs | ||
Series FODM | ||
The FODM121 series, FODM124, and FODM2701 consists of a gallium arsenide infrared emitting diode driving a phototransistor in a compact 4-pin mini-flat package. The lead pitch is 2.54 mm. The FODM2705 consists of two gallium arsenide infrared emitting diodes connected in inverse parallel for AC operation.
More than 5mm Creepage/Clearance
Compact 4-Pin Surface Mount Package (2.4mm Maximum Standoff Height)
Current Transfer Ratio in Selected Groups
DC Input:
FODM121: 50–600%
FODM121A: 100–300%
FODM121B: 50–150%
FODM121C: 100–200%
FODM124: 100% MIN
FODM2701: 50–300%
AC Input:
FODM2705: 50–300%
Applications
Digital logic inputs
Microprocessor inputs
Power supply monitor
Twisted pair line receiver
Telephone line receiver
Compact 4-Pin Surface Mount Package (2.4mm Maximum Standoff Height)
Current Transfer Ratio in Selected Groups
DC Input:
FODM121: 50–600%
FODM121A: 100–300%
FODM121B: 50–150%
FODM121C: 100–200%
FODM124: 100% MIN
FODM2701: 50–300%
AC Input:
FODM2705: 50–300%
Applications
Digital logic inputs
Microprocessor inputs
Power supply monitor
Twisted pair line receiver
Telephone line receiver