# Thyristor, High Immunity, 100 V, 1 µA, 160 mA, 250 mA, SOT-23, 3 Pins

![Product image](https://novapart.co/image/farnell:2807116/)

**URL**: https://novapart.co/products/P0109AL%205AA4/thyristor-high-immunity-100-v-1-a-160-ma-250-sot
**SKU**: P0109AL 5AA4
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Thyristors || Thyristors - SCRs
**Price**: €0.1660
**Stock**: 25+
**Lead Time**: 120 days (indicative)

## Description

Peak Repetitive Off-State Voltage, Vdrm:100V; Gate Trigger Current Max, Igt:1µA; Current It av:160mA; On State RMS Current IT(rms):250mA; Thyristor Case Style:SOT-23; No. of Pins:3Pi

## Specifications

| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | P01 |
| Thyristor Mounting | Surface Mount |
| Holding Current Max | 6mA |
| On State Rms Current | 250mA |
| Thyristor Case Style | SOT-23 |
| Average On State Current | 160mA |
| Gate Trigger Current Max | 1µA |
| Gate Trigger Voltage Max | 800mV |
| Operating Temperature Max | 125°C |
| Peak Non Repetitive Surge Current | 6A |
| Peak Repetitive Off State Voltage | 100V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2807116/)

## **P0109AL** 

## Sensitive high immunity 0.25 A SCR Thyristor 

Datasheet - production data 

## **Description** 

Thanks to highly sensitive triggering levels, the 0.25 A P0109AL SCR Thyristor is suitable for all applications where available gate current is limited. Its high immunity makes it ideal for high electric noise circuits. 

## **Features** 

- IT(RMS) 0.25 A 

- Low 1 µA gate current 

- High noise immunity 100 V/µs 

||electric noise circuits.|electric noise circuits.|
|---|---|---|
||The surface mount SOT23-3L package allows<br>compact SMD based designs for automated<br>manufacturing.||
||**Table 1: Device summary**||
|**Symbol**<br>**Value**<br>IT(RMS)<br>0.25<br>VDRM/VRRM<br>100<br>IGT<br>1<br>Tjmax.<br>125<br>~~—~~||**Unit**<br>A<br>V<br>µA<br>°C|



- ECOPACK[®] 2 compliant component 

## **Applications** 

- Standby mode power supplies 

- Smoke detectors 

- DC 24/48 V proximity sensors 

- Gate driver for large Thyristors 

- Overvoltage crowbar protection 

- Capacitive ignition circuit 

August 2017 

DocID030704 Rev 2 

1/8 

This is information on a product in full production. 

_www.st.com_ 

**Characteristics** 

**P0109AL** 

## **1 Characteristics** 

**Table 2: Absolute maximum ratings (limiting values), Tj = 25 °C unless otherwise specified** 

|**Symbol**|**Parameter**|**Parameter**||**Value**|**Unit**|
|---|---|---|---|---|---|
|IT(RMS)|RMS on-state current<br>(180 ° conduction angle)||Tamb= 36 °C|0.25|A|
|IT(AV)|Average on-state current<br>(180 ° conduction angle)|||0.16||
|ITSM|Non repetitive surge peak on-state current<br>(Tjinitial = 25 °C||tp= 8.3 ms|7|A|
||||tp= 10 ms|6||
|I2t|I2t value for fusing||tp= 10 ms|0.18|A2s|
|dl/dt|Critical rate of rise of on-state current<br>IG= 2 x IGT, tr≤ 100 ns|f = 60 Hz|Tj= 125 °C|50|A/µs|
|VDRM/VRRM|Repetitivepeak off-state voltage||Tj= 125 °C|100|V|
|IGM|Peakgate current|tp= 20µs|Tj= 125 °C|0.5|A|
|PG(AV)|Averagegatepower dissipation||Tj= 125 °C|0.02|W|
|Tstg|Storagejunction temperature range|||-40 to +150|°C|
|Tj|Operating junction temperature|||-40 to +125|°C|



**Table 3: Electrical characteristics (Tj = 25 °C unless otherwise specified)** 

|**Symbol**|**Test conditions**|||**Value**|**Unit**|
|---|---|---|---|---|---|
|IGT|VD= 12 V, RL= 140 Ω||Max.|1|µA|
|VGT|||Max.|0.8|V|
|VGD|VD= VDRM, RL= 3.3 kΩ, RGK= 1000 Ω|Tj= 125 °C|Min.|0.1|V|
|VRG|IRG= 10µA||Min.|8|V|
|IH|IT= 50 mA, RGK= 1000 Ω||Max.|6|mA|
|IL|IG= 1.2 x IGT, RGK= 1000 Ω||Max.|7|mA|
|dV/dt|VD= 67 % VDRM, RGK= 1000 Ω|Tj= 125 °C|Min.|100|V/µs|



## **Table 4: Static characteristics** 

|**Symbol**|**Test conditions**|||**Value**|**Unit**|
|---|---|---|---|---|---|
|VTM|ITM= 0.4 A, tp= 380µs|Tj= 25 °C|Max.|1.7|V|
|VTO|Threshold voltage|Tj= 125 °C|Max.|1||
|RD|Dynamic resistance|Tj= 125 °C|Max.|1000|mΩ|
|IDRM/IRRM|VD= VDRM; VR= VRRM, RGK= 1000 Ω|Tj= 25 °C|Max.|1|µA|
|||Tj= 125 °C||100||



## **Table 5: Thermal parameters** 

|**Symbol**|**Parameter**|**Value**|**Unit**|
|---|---|---|---|
|Rth(j-a)|Junction to ambient (Mounted on FR4 with recommendedpad layout)|400|°C/W|



DocID030704 Rev 2 

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**Characteristics** 

**P0109AL** 

## **1.1 Characteristics (curves)** 

**==> picture [451 x 177] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 1: Maximum average power dissipation  Figure 2: Average and DC on-state current versus<br>versus average on-state current  ambient temperature<br>0.30 P(W) 0.30 IT(AV)(A)<br>0.28 α = 180°<br>0.26<br>0.24 0.25<br>0.22 D.C.<br>0.20 0.20<br>0.18 α = 180°<br>0.16<br>0.14 0.15<br>0.12<br>0.10 0.10<br>0.08 360°<br>0.06<br>0.04 0.05<br>0.02 IT(AV)(A) α Tamb (°C)<br>0.00 0.00<br>0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0 25 50 75 100 125<br>**----- End of picture text -----**<br>


**==> picture [452 x 188] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 4: Gate trigger, holding, and latching<br>Figure 3: Relative variation of thermal impedance<br>currents with gate trigger voltage versus junction<br>junction to ambient versus pulse duration<br>temperature<br>1.00 K=[Zth(j-a) /Rth(j-a) []] 6.0 IGT, VGT, IH, IL[Tj]/IGT, VGT, IH, IL[Tj = 25 °C]<br>Relative variations<br>Typical values<br>5.0<br>SOT23-3L<br>4.0<br>0.10<br>IGT<br>3.0<br>2.0 (RIGKH and=1 KIL Ω)<br>0.01 tp(s) 1.0 VGT<br>1E-2 1E-1 1E+0 1E+1 1E+2 5E+2 T (°C)j<br>0.0<br>-40 -20 0 20 40 60 80 100 120 140<br>**----- End of picture text -----**<br>


**Figure 5: Relative variation of holding current Figure 6: Relative variation of dV/dt immunity versus gate-cathode resistance versus gate-cathode resistance** 

**==> picture [447 x 122] intentionally omitted <==**

**----- Start of picture text -----**<br>
20 IH[RGK] / IH[ [R] GK [= 1 k][Ω]] 10.0 dV/dt[RGK] / dV/dt[RGK = 1kΩ]<br>Tj = 25°C<br>18 Tj = 125°C<br>V D = 0.67 x V DRM<br>16<br>14<br>12 Typical values<br>10 Typical values 1.0<br>8<br>6<br>4<br>2<br>RGK(kΩ) RGK(kΩ)<br>0 0.1<br>1E-2 1E-1 1E+0 1E+1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0<br>**----- End of picture text -----**<br>


DocID030704 Rev 2 

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**Characteristics** 

**P0109AL** 

**==> picture [426 x 20] intentionally omitted <==**

**----- Start of picture text -----**<br>
Figure 7: Relative variation of dV/dt immunity  Figure 8: Surge peak on-state current versus<br>versus gate-cathode capacitance  number of cycles<br>**----- End of picture text -----**<br>


**==> picture [439 x 115] intentionally omitted <==**

**----- Start of picture text -----**<br>
10 dV/dt[CGK] / dV/dt[RGK= 1kΩ, CGK = 0 F] ITSM(A)<br>VD = 0.67 xV DRM 8<br>RTjGK= 125°C= 1kΩ 7<br>8 6 tp = 10ms<br>One cycle<br>6 5<br>Non repetitive<br>4 Tj initial = 25°C<br>4 3 Repetitive<br>Typical values Tamb = 36 °C<br>2<br>2<br>1<br>CGK(nF) 0 Number of cycles<br>0<br>1 1 0 100 1000<br>0 1 2 3 4 5 6 7<br>**----- End of picture text -----**<br>


**Figure 9: Non-repetitive surge peak on-state current for sinusoidal pulse (tp< 10 ms)** 

**Figure 10: On-state characteristics** 

**==> picture [212 x 114] intentionally omitted <==**

**----- Start of picture text -----**<br>
ITSM(A)<br>100.0<br>Tj initial = 25°C<br>ITSM<br>10.0<br>1.0<br>tp(ms)<br>0.1<br>0.01 0.10 1.00 10.00<br>**----- End of picture text -----**<br>


**==> picture [197 x 103] intentionally omitted <==**

**Figure 11: Thermal resistance junction to ambient versus copper surface under tab** 

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**Package** information 

**P0109AL** 

## **2 Package information** 

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK[®] packages, depending on their level of environmental compliance. ECOPACK[®] specifications, grade definitions and product status are available at: _**www.st.com**_ . ECOPACK[®] is an ST trademark. 

- Lead-free package 

- Halogen free molding resin 

- Epoxy meets UL94, V0 

## **2.1 SOT23-3L package information** 

**Figure 12: SOT23-3L package outline** 

**==> picture [407 x 288] intentionally omitted <==**

This package drawing may slightly differ from the physical package. However, all the specified dimensions in the following table are guaranteed. 

DocID030704 Rev 2 

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**Package** information 

**P0109AL** 

**Table 6: SOT23-3L package mechanical data** 

|**Ref.**|||**Dimensions**|**Dimensions**|||
|---|---|---|---|---|---|---|
|||**Millimeters**|||**Inches****_(1)_**||
||**Min.**|**Typ.**|**Max.**|**Min.**|**Typ.**|**Max.**|
|A|0.89||1.40|0.0350||0.0551|
|A1|0.00||0.10|0.0000||0.0039|
|B|0.30||0.51|0.0118||0.0201|
|C|0.085||0.18|0.0033||0.0071|
|D|2.75||3.04|0.1083||0.1197|
|e|0.85||1.05|0.0335||0.0413|
|e1|1.70||2.10|0.0669||0.0827|
|E|1.20||1.75|0.0472||0.0689|
|H|2.10||3.00|0.0827||0.1181|
|L||0.60|||0.0236||
|S|0.35||0.65|0.0138||0.256|
|L1|0.25||0.55|0.0098||0.0217|
|a|0°||8°|0°||8°|



**Notes:** 

(1)Dimension in inches are given for reference only. 

**Figure 13: SOT23-3L footprint in mm** 

**==> picture [407 x 176] intentionally omitted <==**

This drawing may not be in scale; however, all the specified dimensions are guaranteed. 

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**Ordering** information 

**P0109AL** 

## **3 Ordering information** 

**Figure 14: Ordering information scheme** 

**==> picture [406 x 230] intentionally omitted <==**

**----- Start of picture text -----**<br>
P01 09 A L - 5AA4<br>Series<br>P = sensitive SCR, high immunity<br>Gate sensitivity<br>09 = 1 µA<br>Voltage<br>A = 100 V<br>Package<br>L = SOT23-3L<br>Delivery mode (Packing)<br>5AA4 = Tape and reel 7‘’<br>**----- End of picture text -----**<br>


**Table 7: Ordering information** 

|**Order code**|**Marking**|**Package**|**Weight**|**Base qty.**|**Delivery mode**|
|---|---|---|---|---|---|
|P0109AL 5AA4|P9A|SOT23-3L|0.01g|3000|Tape and reel 7"|



## **4 Revision history** 

**Table 8: Document revision history** 

|**Date**|**Revision**|**Changes**|
|---|---|---|
|05-Jun-2017|1|Initial release.|
|09-Aug-2017|2|Updated drawingin coverpage.|



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**P0109AL** 

## **IMPORTANT NOTICE – PLEASE READ CAREFULLY** 

STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. 

Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. 

No license, express or implied, to any intellectual property right is granted by ST herein. 

Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. 

ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. 

Information in this document supersedes and replaces information previously supplied in any prior versions of this document. 

- © 2017 STMicroelectronics – All rights reserved 

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## Links

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- [Supplier page](https://es.farnell.com/stmicroelectronics/p0109al-5aa4/scr-thyristor-0-16a-100v-sot-23/dp/2807116)
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