onsemi 1, 20 V Zener Diode, Single 1 W 5 % Through Hole 2-Pin DO-41
- RS Stock No.:
- 184-4121
- Mfr. Part No.:
- 1N4747A
- Brand:
- onsemi
Bulk discount available
Subtotal (1 bag of 3000 units)*
£93.00
(exc. VAT)
£111.00
(inc. VAT)
FREE delivery for orders over £60.00
Temporarily out of stock
- 3,000 unit(s) shipping from 22 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Bag* |
|---|---|---|
| 3000 - 12000 | £0.031 | £93.00 |
| 15000 - 27000 | £0.026 | £78.00 |
| 30000 + | £0.025 | £75.00 |
*price indicative
- RS Stock No.:
- 184-4121
- Mfr. Part No.:
- 1N4747A
- 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 | |
| Nominal Zener Voltage Vz | 20V | |
| Product Type | Zener Diode | |
| Diode Configuration | Single | |
| Number of Elements per Chip | 1 | |
| Mount Type | Through Hole | |
| Maximum Power Dissipation Pd | 1W | |
| Package Type | DO-41 | |
| Zener Type | General Purpose | |
| Pin Count | 2 | |
| Test Current It | 12.5mA | |
| Maximum Zener Impedance | 22Ω | |
| Zener Voltage Tolerance ± | 5% | |
| Minimum Operating Temperature | -65°C | |
| Maximum Reverse Leakage Current | 5μA | |
| Maximum Operating Temperature | 200°C | |
| Length | 5.2mm | |
| Height | 2.72mm | |
| Standards/Approvals | No | |
| Series | 1N47 | |
| Automotive Standard | No | |
| Select all | ||
|---|---|---|
Brand onsemi | ||
Nominal Zener Voltage Vz 20V | ||
Product Type Zener Diode | ||
Diode Configuration Single | ||
Number of Elements per Chip 1 | ||
Mount Type Through Hole | ||
Maximum Power Dissipation Pd 1W | ||
Package Type DO-41 | ||
Zener Type General Purpose | ||
Pin Count 2 | ||
Test Current It 12.5mA | ||
Maximum Zener Impedance 22Ω | ||
Zener Voltage Tolerance ± 5% | ||
Minimum Operating Temperature -65°C | ||
Maximum Reverse Leakage Current 5μA | ||
Maximum Operating Temperature 200°C | ||
Length 5.2mm | ||
Height 2.72mm | ||
Standards/Approvals No | ||
Series 1N47 | ||
Automotive Standard No | ||
This is a complete series of 1 Watt Zener diode with limits and excellent operating characteristics that reflect the superior capabilities of silicon-oxide passivated junctions. All this in an axial-lead hermetically sealed glass package that offers protection in all common environmental conditions.
Zener Voltage Range - 3.3 V to 91 V
ESD Rating of Class 3 (>16 KV) per Human Body Model
DO-41 (DO-204AL) Package
Double Slug Type Construction
Metallurgical Bonded Construction
Oxide Passivated Die
Mechanical Characteristics:
CASE: Double slug type, hermetically sealed glass
FINISH: All external surfaces are corrosion resistant and leads are readily solderable
MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES: 230°C, 1/16" from the case for 10 seconds
POLARITY: Cathode indicated by polarity band
MOUNTING POSITION: Any
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