FODM121R2V is out of stock and can be placed on backorder.
Available Substitutes:

Parametric Equivalent


onsemi
In Stock: 35,000
Unit Price: $0.60000
Datasheet

Parametric Equivalent


onsemi
In Stock: 24,230
Unit Price: $0.67000
Datasheet

Parametric Equivalent


onsemi
In Stock: 7,500
Unit Price: $0.58000
Datasheet

Parametric Equivalent


onsemi
In Stock: 0
Unit Price: $0.57000
Datasheet

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Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

FODM121R2V

DigiKey Part Number
FODM121R2VTR-ND - Tape & Reel (TR)
FODM121R2VCT-ND - Cut Tape (CT)
FODM121R2VDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
FODM121R2V
Description
OPTOISO 3.75KV 1CH TRANS 4-SMD
Manufacturer Standard Lead Time
8 Weeks
Customer Reference
Detailed Description
Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD
Datasheet
 Datasheet
EDA/CAD Models
FODM121R2V Models
Product Attributes
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Category
Voltage - Output (Max)
80V
Manufacturer
onsemi
Current - Output / Channel
80mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Forward (Vf) (Typ)
1.3V (Max)
Part Status
Active
Current - DC Forward (If) (Max)
50 mA
Number of Channels
1
Vce Saturation (Max)
400mV
Voltage - Isolation
3750Vrms
Operating Temperature
-40°C ~ 110°C
Current Transfer Ratio (Min)
50% @ 5mA
Mounting Type
Surface Mount
Current Transfer Ratio (Max)
600% @ 5mA
Package / Case
4-SMD, Gull Wing
Rise / Fall Time (Typ)
3µs, 3µs
Supplier Device Package
4-SMD
Input Type
DC
Base Product Number
Output Type
Transistor
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (24)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
FODM121GR4onsemi35,000488-FODM121GR4TR-ND$0.60000Parametric Equivalent
FODM121Vonsemi24,2302832-FODM121V-ND$0.67000Parametric Equivalent
FODM121R2onsemi7,500FODM121R2TR-ND$0.58000Parametric Equivalent
FODM121onsemi0FODM121-ND$0.57000Parametric Equivalent
LTV-356TLite-On Inc.0160-1337-2-ND$0.32000Similar
Available To Order
Factory Stock: 5,000
2,500 estimated in stock on 13-Nov-2026

This is stock that is available at the supplier which may be available to DigiKey upon receipt of order.

All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.67000$0.67
10$0.46400$4.64
100$0.33600$33.60
500$0.27882$139.41
1,000$0.26003$260.03
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$0.23946$598.65
5,000$0.22661$1,133.05
7,500$0.22003$1,650.23
12,500$0.21258$2,657.25
17,500$0.20816$3,642.80
25,000$0.20385$5,096.25
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.