
For Reference Only
Part Number | HMHA281R2 |
OEMstron Part # | HMHA281R2 |
Manufacturer | ON Semiconductor |
Category | Semiconductors › Isolators › Optoisolators - Transistor, Photovoltaic Output |
Description | OPTOISO 3.75KV TRANSISTOR 4SOIC |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | HMHA281R2 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 16 - Mar 21 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
HMHA281R2 Specifications
Part Number | HMHA281R2 | |
Brand | ON Semiconductor | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Isolators | |
Subcategory | Optoisolators - Transistor, Photovoltaic Output | |
Manufacturer | ON Semiconductor | |
Series | - | |
Number of Channels | 1 | |
Voltage - Isolation | 3750Vrms | |
Current Transfer Ratio (Min) | 50% @ 5mA | |
Current Transfer Ratio (Max) | 600% @ 5mA | |
Turn On / Turn Off Time (Typ) | - | |
Rise / Fall Time (Typ) | 3µs, 3µs | |
Input Type | DC | |
Output Type | Transistor | |
Voltage - Output (Max) | 80V | |
Current - Output / Channel | 50mA | |
Voltage - Forward (Vf) (Typ) | 1.3V (Max) | |
Current - DC Forward (If) (Max) | 50mA | |
Vce Saturation (Max) | 400mV | |
Operating Temperature | -55°C ~ 100°C | |
Mounting Type | Surface Mount | |
Package / Case | 4-SOIC (0.173", 4.40mm Width) | |
Supplier Device Package | 4-Mini-Flat |
HMHA281R2 Documents

Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
HMHA281 D# V36:1790_06301699 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Tube RoHS: Compliant
|
Americas - 65 |
HMHA281R2 D# V72:2272_06301700 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R RoHS: Compliant
|
Americas - 10155 |
HMHA281R2V D# V36:1790_06301701 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R RoHS: Compliant
|
Americas - 2500 |
Part Number | Description | Stock |
HMHA281R2 D# HMHA281R2 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R - Bulk (Alt: HMHA281R2) |
Americas - 1955 |
HMHA281 D# HMHA281 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Box - Bulk (Alt: HMHA281) |
Americas - 3995 |
HMHA281R2V D# HMHA281R2V ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R - Bulk (Alt: HMHA281R2V) |
Americas - 2040 |
Part Number | Description | Stock |
HMHA281R2 D# HMHA281R2 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R (Alt: HMHA281R2) |
Asia - 0 |
HMHA281 D# HMHA281 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Box (Alt: HMHA281) |
Asia - 0 |
Part Number | Description | Stock |
HMHA281R2 D# HMHA281R2 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R (Alt: HMHA281R2) |
Europe - 0 |
HMHA281R2V D# HMHA281R2V ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R (Alt: HMHA281R2V) |
Europe - 10000 |
HMHA281 D# HMHA281 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Box (Alt: HMHA281) |
Europe - 850 |
Part Number | Description | Stock |
HMHA281 Fairchild Semiconductor Corporation |
205 |
Part Number | Description | Stock |
HMHA281R2V Fairchild Semiconductor Corporation |
OPTOISO 3.75KV TRANSISTOR 4SOIC |
Contact Us |
HMHA281 Fairchild Semiconductor Corporation |
OPTOCOUPLER, TRANSISTOR, 2500VRMS, No. of Channels:1, Isolation Voltage:3.75kV, CTR Min:50%, Forward Current If Max:50mA, Optocoupler Case Style:SSOP, No. of Pins:4, Packaging:Each, Input Current:10mA, Input Current Max:10mA , RoHS Compliant: Yes |
1528 |
HMHA281R2_F132 Fairchild Semiconductor Corporation |
OPTOISO 3.75KV TRANSISTOR 4SOIC |
Contact Us |
HMHA281R2 Fairchild Semiconductor Corporation |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R |
12500 |
Part Number | Description | Stock |
HMHA281R2 ON Semiconductor |
TransistorOptocouplers DC 1 3750Vrms Mini-Flat-4 Optocouplers RoHS |
17 |
Part Number | Description | Stock |
HMHA281R2 Fairchild Semiconductor Corporation |
RoHS: Not Compliant
|
Europe - 3000 |
Part Number | Description | Stock |
HMHA281R2 D# HMHA281R2CT-ND ON Semiconductor |
OPTOISO 3.75KV TRANSISTOR 4SOIC |
11693 In Stock |
HMHA281R2_F132 D# HMHA281R2_F132-ND ON Semiconductor |
OPTOISO 3.75KV TRANSISTOR 4SOIC |
Limited Supply - Call |
HMHA281 D# HMHA281-ND ON Semiconductor |
OPTOISO 3.75KV TRANSISTOR 4SMD |
2540 In Stock |
HMHA281R2V D# 2156-HMHA281R2V-OS-ND Rochester Electronics LLC |
TRANSISTOR OUTPUT OPTOCOUPLER, 3 |
30000 In Stock |
Part Number | Description | Stock |
HMHA281R2 ON Semiconductor |
In stock shipping within 2days |
17760 |
HMHA281 ON Semiconductor |
In stock shipping within 2days |
2615 |
Part Number | Description | Stock |
HMHA281R2V D# 3614811 ON Semiconductor |
TRANSISTOR OUTPUT OPTOCOUPLERS RoHS: Compliant
Min Qty: 2500
Container: Reel
|
0 |
HMHA281 D# 2453215 ON Semiconductor |
OPTOCOUPLER, TRANSISTOR, 3.75KV, SSOP-4 RoHS: Compliant
Min Qty: 1
Container: Each
|
2235 |
HMHA281R2 D# 2453216 ON Semiconductor |
OPTOCOUPLER, TRANSISTOR, 3.75KV, SSOP-4 RoHS: Compliant
Min Qty: 5
Container: Cut Tape
|
3055 |
Part Number | Description | Stock |
HMHA281 ON Semiconductor |
MFP4 SMT Single Channel 80 V 3750 Vrms Transistor Output Optocoupler RoHS: Compliant
pbFree: Yes
|
642 Tube |
HMHA281R2V ON Semiconductor |
HMHA281 Series Single Channel 80 V 3750 Vrms Transistor Output Optocoupler MFP4 RoHS: Compliant
pbFree: Yes
|
0 Reel |
HMHA281R2 ON Semiconductor |
MFP4 SMT Single Channel 80 V 3750 Vrms Transistor Output Optocoupler RoHS: Compliant
pbFree: Yes
|
27500 Reel |
Part Number | Description | Stock |
HMHA281 Fairchild Semiconductor Corporation |
In Stock |
205 |
Part Number | Description | Stock |
HMHA281R2 D# C184143 ON Semiconductor |
17 |
Part Number | Description | Stock |
HMHA281 Fairchild Semiconductor Corporation |
OEM/CM Immediate delivery |
36530 |
HMHA281R2 Fairchild Semiconductor Corporation |
OEM/CM Immediate delivery |
58775 |
HMHA281R2V Fairchild Semiconductor Corporation |
OEM/CM Immediate delivery |
36800 |
Part Number | Description | Stock |
HMHA281R2V D# 512-HMHA281R2V ON Semiconductor |
Transistor Output Optocouplers Optocoupler Phototransistor RoHS: Compliant
|
380 |
HMHA281 D# 512-HMHA281 ON Semiconductor |
Transistor Output Optocouplers Optocoupler Phototransistor RoHS: Compliant
|
2197 |
HMHA281R2 D# 512-HMHA281R2 ON Semiconductor |
Transistor Output Optocouplers Optocoupler Phototransistor RoHS: Compliant
|
5825 |
Part Number | Description | Stock |
HMHA281 D# XSCRSN000012832 Fairchild Semiconductor Corporation |
258 | |
HMHA281R2V D# XSKDRABS0046737 ON SEMICONDUCTOR |
SOIC 4//OPTOISO 3.75KV TRANSISTOR |
7500 |
HMHA281R2 D# XSFP00000119266 Fairchild Semiconductor Corporation |
MFP4 SMT Single Channel 80 V 3750 Vrms Transistor Output Optocoupler |
23283 |
Part Number | Description | Stock |
HMHA281R2V D# 29H0169 ON Semiconductor |
NPN-Output dc-Input Optocoupler,1-CHANNEL,2.5kV ISOLATION,SO RoHS: Not Compliant
Min Qty: 2500
Container: TAPE & REEL - FULL
|
0 |
HMHA281R2 D# 31Y2006 ON Semiconductor |
OPTOCOUPLER, TRANSISTOR, 3.75KV, SSOP-4, No. of Channels:1 Channel, Optocoupler Case Style:SSOP, No. of Pins:4Pins, Forward Current If Max:50mA, Isolation Voltage:3.75kV, CTR Min:50%, Collector Emitter Voltage V(br)ceo:80V RoHS Compliant: Yes RoHS: Compliant
Min Qty: 5
Container: Cut Tape
|
3055 |
HMHA281 D# 27AC6457 ON Semiconductor |
4 PIN TRANSISTOR OUTPUT MFP ROHS COMPLIANT: YES RoHS: Compliant
Min Qty: 3000
Container: Bulk
|
0 |
Part Number | Description | Stock |
HMHA281R2 D# NS-HMHA281R2 Fairchild Semiconductor Corporation |
OEM/CM ONLY |
5285 |
HMHA281R2_F132 D# NS-HMHA281R2_F132 Fairchild Semiconductor Corporation |
OEM/CM ONLY |
9621 |
HMHA281 D# NS-HMHA281 Microsemi-IPG |
OEM/CM ONLY |
1861 |
Part Number | Description | Stock |
HMHA281 Fairchild Semiconductor Corporation |
Optocoupler, DC Input, Transistor Output, 1 Channel, 2.5KV Isolation, SO |
665 |
HMHA281R2_F094 Fairchild Semiconductor Corporation |
1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER (Also Known As: HMHA281R2) |
54 |
HMHA281R2 Fairchild Semiconductor Corporation |
Optocoupler, DC Input, Transistor Output, 1 Channel, 2.5KV Isolation, SO |
68 |
Part Number | Description | Stock |
HMHA281 D# HMHA281 Fairchild Semiconductor Corporation |
Semiconductor |
150 |
Part Number | Description | Stock |
HMHA281R2 D# 8023256 ON Semiconductor |
ON Semiconductor, HMHA281R2 DC Input Phototransistor Output Optocoupler, Surface Mount, 4-Pin MFP, PK Min Qty: 20
Container: Package
|
400 |
Part Number | Description | Stock |
HMHA281R2V ON Semiconductor |
Transistor Output Optocoupler, 3750V Isolation RoHS: Compliant
|
30000 |
HMHA281 ON Semiconductor |
Transistor Output Optocoupler, 3750V Isolation RoHS: Compliant
|
650 |
HMHA281R2 Fairchild Semiconductor Corporation |
Transistor Output Optocoupler, 3750V Isolation RoHS: Compliant
|
1955 |
Part Number | Description | Stock |
HMHA281R2F094 Fairchild Semiconductor Corporation |
OEM/CM ONLY |
99 |
HMHA281 Fairchild Semiconductor Corporation |
OEM/CM ONLY |
5646 |
HMHA281R2V Fairchild Semiconductor Corporation |
OEM/CM ONLY |
13816 |
HMHA281R2 Fairchild Semiconductor Corporation |
OEM/CM ONLY |
15016 |
Part Number | Description | Stock |
HMHA281 Fairchild Semiconductor Corporation |
IN stock Immediate delivery |
36515 |
HMHA281R2V Fairchild Semiconductor Corporation |
IN stock Immediate delivery |
36785 |
HMHA281R2 Fairchild Semiconductor Corporation |
IN stock Immediate delivery |
58760 |
Part Number | Description | Stock |
HMHA281 Fairchild Semiconductor Corporation |
shipping today |
937 |
HMHA281R2 Fairchild Semiconductor Corporation |
shipping today |
2921 |
Part Number | Description | Stock |
HMHA281 D# 51749090 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Tube RoHS: Compliant
|
Americas - 65 |
HMHA281R2V D# 26758989 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R RoHS: Compliant
|
Americas - 2500 |
HMHA281R2 D# 44843204 ON Semiconductor |
Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R RoHS: Compliant
|
Americas - 12500 |
Part Number | Description | Stock |
HMHA281 mfr |
RFQ |
1054 |
Part Number | Description | Stock |
HMHA281R2 Fairchild Semiconductor Corporation |
OPTOISO 3.75KV TRANSISTOR 4SOIC |
68794 |
Part Number | Description | Stock |
HMHA281 D# 2453215 ON Semiconductor |
OPTOCOUPLER, TRANSISTOR, 3.75KV, SSOP-4 RoHS: Compliant
Min Qty: 1
Container: Each
|
1725 |
HMHA281R2 D# 2453216 ON Semiconductor |
OPTOCOUPLER, TRANSISTOR, 3.75KV, SSOP-4 RoHS: Compliant
Min Qty: 1
Container: Cut Tape
|
1080 |
The Products You May Be Interested In
![]() |
CNY171SVM | OPTOISO 4.17KV TRANS W/BASE 6SMD | 110 More on Order |
![]() |
SFH610A-3X006 | OPTOISOLATOR 5.3KV TRANS 4DIP | 4620 More on Order |
![]() |
PC817X5J000F | OPTOISOLATOR 5KV TRANS 4DIP | 413 More on Order |
![]() |
MOC206R1VM | OPTOISO 2.5KV TRANS W/BASE 8SOIC | 362 More on Order |
![]() |
SFH601-1X001 | OPTOISO 5.3KV TRANS W/BASE 6DIP | 309 More on Order |
![]() |
H11B3SD | OPTOISO 5.3KV DARL W/BASE 6SMD | 102 More on Order |
![]() |
TLP385(D4BL-TL,E | TRANSISTOR OPTOCOUPLER; 4-PIN SO | 123 More on Order |
![]() |
PC12311NSZ1H | OPTOISOLATOR 5KV TRANSISTOR 4DIP | 137 More on Order |
![]() |
CNY17F-1X007T | OPTOISOLTR 5KV TRANSISTOR 6-SMD | 1834 More on Order |
![]() |
HMA121FR2V | OPTOISO 3.75KV TRANSISTOR 4SMD | 249 More on Order |
![]() |
PS2532L-1-A | OPTOISOLATOR 5KV DARL 4SMD | 225 More on Order |
![]() |
PC123S | OPTOISOLATR 5KV TRANSISTOR 4-DIP | 297 More on Order |
Quick Inquiry
In Stock | 51,148 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | Can Ship Immediately |
Minimum | 1 |
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 0.0000 | $ 0.0000 |
100 | $ 0.0000 | $ 0.0000 |
500 | $ 0.0000 | $ 0.0000 |
1000 | $ 0.0000 | $ 0.0000 |
2500 | $ 0.0000 | $ 0.0000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.