# Thyristor, 600 V, 5 mA, 8 A, 12 A, TO-252 (DPAK), 3 Pins
**URL**: https://novapart.co/products/TN1205T-600B-TR/thyristor-600-v-5-ma-8-a-12-to-252-dpak-3-pins
**SKU**: TN1205T-600B-TR
**Manufacturer**: STMICROELECTRONICS
**Category**: Semiconductors - Discretes || Thyristors || Thyristors - SCRs
**Price**: €0.2320
**Stock**: 10+
**Lead Time**: 120 days (indicative)
## Specifications
| Parameter | Value |
|---|---|
| Msl | MSL 1 - Unlimited |
| Svhc | No SVHC (25-Jun-2025) |
| No. Of Pins | 3Pins |
| Product Range | - |
| Thyristor Mounting | Surface Mount |
| Holding Current Max | 15mA |
| On State Rms Current | 12A |
| Thyristor Case Style | TO-252 (DPAK) |
| Average On State Current | 8A |
| Gate Trigger Current Max | 5mA |
| Gate Trigger Voltage Max | 1.3V |
| Operating Temperature Max | 125°C |
| Peak Non Repetitive Surge Current | 115A |
| Peak Repetitive Off State Voltage | 600V |
## Datasheet
📄 [Download PDF](https://novapart.co/datasheet/farnell:3366963/)
12 A SCR
**==> picture [61 x 39] intentionally omitted <==**
## **Features**
- High current density per square mm
## **Applications**
- Overvoltage crowbar protection
- Motor control circuits in power tools and kitchen aids
- Inrush current limiting circuits
## **Description**
This device is mounted in DPAK and intended for use in applications such as voltage regulators circuits for motorbikes, overvoltage crowbar protection, motor control circuits in power tools and capacitive discharge ignition.
## **TN1205T-600**
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**==> picture [63 x 100] intentionally omitted <==**
**----- Start of picture text -----**
A
K A
G
DPAK
TN1205T-600B
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## **Table 1. Device summary**
|IT(rms)|12 A|
|---|---|
|VDRM/VRRM|600 V|
|IGT|2 to 5 mA|
October 2009
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Doc ID 16339 Rev 1
_www.st.com_
**Characteristics**
**TN1205T-600**
## **1 Characteristics**
## **Table 2. Absolute ratings[(1)]**
|**Table 2.**|**Absolute ratings(1)**|||||||
|---|---|---|---|---|---|---|---|
|**Symbol**|**Parameter**||||**Value**||**Unit**|
|IT(RMS)|On-state rms current (180 °C conduction angle)||Tc= 103 °C||12||A|
|IT(AV)|Average on-state current(180 °C conduction angle)||Tc= 103 °C||8||A|
|ITSM|Non repetitive surge peak on-state current||tp= 8.3 ms
tp= 10 ms||120
115||A|
|I2T|I2T value for fusing||tp= 10 ms||66||A2s|
|di/dt|Critical rate of rise of on-state current
IG= 2 x IGT, tr≤100 ns|F = 60 Hz|Tj= 125 °C||50||A/µs|
|IGM|Peak gate current|tp= 20 µs|Tc= 125 °C||4||A|
|PG(AV)|Average gate power dissipation||Tj= 125 °C||1||W|
|Tstg|Storage junction temperature range||||-40 to + 150||°C|
|Tj|Operating junction temperature range||||-40 to + 125|||
|1.
Tj= 25 °C, unless otherwise specified
**Table 3.**
**Electrical characteristics(1)**||||||||
|**Symbol**|**Test conditions**||**Min.**|**Typ.**||**Max.**|**Unit**|
|IGT|VD= 12 V, RL= 33Ω||2|||5|mA|
|VGT|VD= 12 V, RL= 33Ω|||||1.3|V|
|VGD|VD= VDRM,RL= 3.3 kΩ|Tj= 125 °C|0.2||||V|
|IH|IT= 500 mA gate open|||||15|mA|
|IL|IG= 1.2 IGT|||||30|mA|
|dV/dt|VD= 67% VDRMgate open|Tj= 125 °C|100||||V/µs|
|tGT|Gate controlled turn on time
ITM= 40 A, VD= VDRM(MAX), IGT= 100 mA
dIG/dt = 5 A/µs, RG= 68Ω|||1.2|||µs|
|tq|Circuit commutated turn off time
VD= 67% VDRM(MAX), Tj= 125 °C, ITM= 20 A, VR=
dIT/dt = 30 A/µS, dVD/dt = 50 V/µs, RGK= 100Ω|25 V||55|||µs|
|VTM|ITM= 24 A, Tp= 380 µs|||||1.6|V|
|VT0|Threshold voltage|Tj= 125 °C||||0.85|V|
|Rd|Dynamyc restistance|Tj= 125 °C||||30|mΩ|
|IDRM
IRRM|VDRM= VRRM|Tj= 25 °C||||5|µA|
|||Tj= 125 °C||||2|mA|
1. Tj = 25 °C, unless otherwise specified
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**Characteristics**
**TN1205T-600**
## **Table 4. Thermal resistance**
|**Table 4.**|**Thermal resistance**|**Thermal resistance**|||
|---|---|---|---|---|
|**Symbol**|**Parameter**||**Value**|**Unit**|
|Rth(j-c)|Junction to case (DC)||1.8|°C/W|
|Rth(j-a)|Junction to ambient (DC)|S(1)= 0.5 cm²|70|°C/W|
1. S = Copper surface under tab.
## **Figure 1. Maximum average power dissipation versus average on-state current**
**Figure 2. Average and DC on-state current versus case temperature**
## **Figure 3. Average DC on-state current versus ambient temperature**
**Figure 4. Relative variation of thermal impedance junction to case versus pulse duration**
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**Characteristics**
**TN1205T-600**
**Figure 5. Relative variation of thermal impedance junction to ambient versus pulse duration**
**Figure 6. Relative variation of gate trigger current and voltage, holding and latching current versus Tj**
**==> picture [447 x 138] intentionally omitted <==**
**Figure 7. Surge peak on-state current versus number of cycles**
**==> picture [214 x 138] intentionally omitted <==**
**Figure 8. Non-repetitive surge peak on-state current for a sinusoidal pulse, and corresponding values of I[²] t**
**==> picture [208 x 138] intentionally omitted <==**
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1000.0 ITMS(A), I t (A s)2 2
Tj initial = 25
ITSM
dI/dt limitation:
50 A/µs
100.0 I t2
10.0 tp(ms)
0.01 0.10 1.00 10.00
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**Figure 9. On-state characteristics (maximum values)**
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**Figure 10. Thermal resistance junction to ambient versus copper surface under tab**
**==> picture [215 x 135] intentionally omitted <==**
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**Ordering information scheme**
**TN1205T-600**
## **2 Ordering information scheme**
## **Figure 11. Ordering information scheme**
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TN 12 05 T - 600 B (-TR)
Standard SCR series
Current
12 = 12 A
Sensitivity
05 = 5 mA
Application specific
Voltage
600 = 600 V
Package
B = DPAK
Packing mode
Blank = Tube
-TR = Tape and reel
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**Package information**
**TN1205T-600**
## **3 Package information**
- Epoxy meets UL94, V0
- Lead-free package
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.
## **Table 5. DPAK dimensions**
|**H**||||**B**
**L2**
**D**
**A1**
**R**
**R**
**C**
**A**
**C2**
**MIN.**
**V2**
**A2**|**Ref.**|**Dimensions**|**Dimensions**|**Dimensions**|**Dimensions**|
|---|---|---|---|---|---|---|---|---|---|
|||||||**Millimeters**||**Inches**||
|||||||**Min.**|**Max.**|**Min.**|**Max.**|
|||||||||||
||||||A|2.20|2.40|0.086|0.094|
||||**E**|||||||
||||||A1|0.90|1.10|0.035|0.043|
||||**B2**|||||||
||||||A2|0.03|0.23|0.001|0.009|
|||||||||||
||||||B|0.64|0.90|0.025|0.035|
||**L4**||||B2|5.20|5.40|0.204|0.212|
||||||C|0.45|0.60|0.017|0.023|
||||**G**||C2|0.48|0.60|0.018|0.023|
|||||||||||
||||||D|6.00|6.20|0.236|0.244|
||||**0.60**||E|6.40|6.60|0.251|0.259|
||||||G|4.40|4.60|0.173|0.181|
||||||H|9.35|10.10|0.368|0.397|
||||||L2|0.80 typ.||0.031 typ.||
|||||||||||
||||||L4|0.60|1.00|0.023|0.039|
||||||V2|0°|8°|0°|8°|
## **Figure 12. Footprint (dimensions in mm)**
**==> picture [178 x 94] intentionally omitted <==**
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6.7 3 3 1.6
2.3
6.7
2.3
1.6
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**Ordering information**
**TN1205T-600**
## **4 Ordering information**
## **Table 6. Ordering information**
|**Order code**|**Marking**|**Package**|**Weight**|**Base qty**|**Delivery mode**|
|---|---|---|---|---|---|
|TN1205T-600B|TN12 05T6|DPAK|0.3g|75|Tube|
|TN1205T-600B-TR|TN12 05T6|||2500|Tape and reel|
## **5 Revision history**
**Table 7. Document revision history**
|**Date**|**Revision**|**Changes**|
|---|---|---|
|01-Oct-2009|1|Initial release.|
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**TN1205T-600**
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## Links
- [View this product on Novapart](https://novapart.co/products/TN1205T-600B-TR/thyristor-600-v-5-ma-8-a-12-to-252-dpak-3-pins)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/stmicroelectronics/tn1205t-600b-tr/thyristor-600v-12a-to-252/dp/3366963)
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