QTH217T1 is out of stock and can be placed on backorder.
Available Substitutes:

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Everlight Electronics Co Ltd
In Stock: 0
Unit Price: $0.51000
Datasheet
Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
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QTH217T1

DigiKey Part Number
1516-1301-2-ND - Tape & Reel (TR)
1516-1301-1-ND - Cut Tape (CT)
1516-1301-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
QTH217T1
Description
OPTOISO 3.75KV TRANS 4-MINI-FLAT
Manufacturer Standard Lead Time
4 Weeks
Customer Reference
Detailed Description
Optoisolator Transistor Output 3750Vrms 1 Channel 4-Mini-Flat
Datasheet
 Datasheet
Product Attributes
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Category
Output Type
Transistor
Manufacturer
QT Brightek (QTB)
Voltage - Output (Max)
80V
Series
Current - Output / Channel
50mA
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Voltage - Forward (Vf) (Typ)
1.24V
Part Status
Active
Current - DC Forward (If) (Max)
50 mA
Number of Channels
1
Vce Saturation (Max)
200mV
Voltage - Isolation
3750Vrms
Operating Temperature
-55°C ~ 125°C
Current Transfer Ratio (Min)
50% @ 5mA
Mounting Type
Surface Mount
Current Transfer Ratio (Max)
600% @ 5mA
Package / Case
4-SOIC (0.173", 4.40mm Width)
Rise / Fall Time (Typ)
6µs, 8µs
Supplier Device Package
4-Mini-Flat
Input Type
DC
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
EL3H7(TA)-VGEverlight Electronics Co Ltd01080-1198-2-ND$0.51000Similar
In-Stock: 0
5,000 estimated in stock on 26-Oct-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$0.51000$0.51
10$0.35400$3.54
100$0.25440$25.44
500$0.20952$104.76
1,000$0.19474$194.74
2,000$0.18217$364.34
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
5,000$0.16842$842.10
10,000$0.15983$1,598.30
15,000$0.15543$2,331.45
25,000$0.15046$3,761.50
35,000$0.14751$5,162.85
50,000$0.14463$7,231.50